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PJTSAU, Rajendranagar, Warangal, Telangana


Under construction

Cotton growing Districts in Odisha:


The major cotton growing districts of Odisha are Kalahandi, Bolangir, Rayagada, Nuapada, Ganjam, Sonepore, Gajapati, Boudh, Bargarh, Phulbani and Koraput.

Mandate


  • To develop cultivars and hybrids best suited for different agro-climatic zones of India .
  • To develop viable and economical area-based agro-techniques for realizing maximum yields/profits from improved cultivars for both irrigated and rainfed conditions including management of abiotic stresses.
  • To develop economic and effective pest and disease management practices under different agro-biological conditions.

Objectives


  • To develop Genotypes suitable for different agro-climatic conditions
  • To develop crop production practices to maximize yield from improved / high yielding genotypes including management of abiotic stresses.
  • To develop effective and economic plant protection measures for the management of biotic stresses.
  • To demonstrate the usefulness of the latest improved crop production and protection technologies to the farmers as well as extension workers with a view to reduce the time gap between technology generation and its adoption.
  • To enable scientists obtain direct feedback from cotton farmers and suitably reorient the research programmes and develop appropriate technology packages.
  • To create effective linkage among scientists, extension personnel and farmers

Name of the ScientistDr. B. S. Nayak
DesignationAsst. Agronomist
DisciplineAgronomy
Year Since ICAR-AICRP
on Cotton
31.08.2010 (AN)
Mob:9437321675, 7008251704
Email id:bsnayak2007@rediffmail.com

Significant research achievements:

  • Seed cotton yield can be increased by adopting the spacing of 90 cm x 60 cm under normal and 60 cm x 10 cm under high density planting. All the varieties gave higher yield at 25% higher dose of fertilizer than the recommended dose of 90:45:45 kg N: P2O5:K2O/ha.
  • Hand weeding at 20 DAS + post-emergence directed spray of Glyphosate @ 1.0 kg/ha at 40 DAS or application of Pendimethalin@1kg a.i./ha as pre-emergence (1 DAS) with Quizalofop-p-ethyle@50g a.i./ha as post emergence (30DAS) and one hand weeding (45DAS) minimizes weed in cotton and increase seed cotton yield
  • Under organic production system recommend dose of nutrient through organic sources on P equivalent basis (FYM 5t/ha + castor cake 500 kg/ha + vermicompost 5t/ha + Green manuring with Sun hemp) can be adopted by the farmers to get maximum seed cotton yield.
  • Leaf reddening of cotton can be managed with application of recommended dose of fertilizer based on soil test values + FYM @ 5 t/ha + one spray of 2% urea and one spray of 1% urea + 1% MgSO4 during flowering to boll development stage.
  • With 100 % of recommended dose of nitrogen (120 kg/ha) in band application in 2 splits at basal and flowering stage, cotton crop recorded maximum number of sympodial branches/plant (15.27), bolls/ square metre (58.8), boll weight (4.93 g) and seed cotton yield (2101 kg/ha) with maximum N use efficiency (10.91 kg/kg of N) and B:C ratio of 2.51. There was 60.5 % increase in seed cotton yield over no use of nitrogen.
  • The combination of treatments like land shaping by power tiller, application of pre- em (Pendimethalin @ 1.0 kg/ha) and post-em herbicide (Glyphosate @1.0 kg/ha), interculture operations and earthing up by bullock drawn plough and use of power sprayer in cotton cultivation resulted in maximum seed cotton yield (2897 kg/ha), net return (Rs 112733/-) and B:C ratio (3.42) with minimum labour requirement (126 labourers/ha).
  • Seed cotton equivalent yield (2317 kg/ha) and B:C ratio (2.52) was maximum in Paired row of Bt cotton with one row of Arhar +one row Black gram being at par with intercropping system paired row of Bt cotton with two rows of intercrop Arhar which recorded 2277 kg seed cotton/ha and B:C ratio of 2.48. Maximum net return of Rs. 88057/ha was obtained in T5 (Paired row of Bt cotton with one rows (Arhar) +one row (Black gram) followed by T2(Paired row of Bt cotton with two rows of intercrop (Arhar) with Rs.85671/ha,

Release of cotton variety:

    Acted as collaborator for release of two cotton varieties as given below-
  • BS 279: Released for the state of Odisha during 2021
  • BS 30: Released for the central zone states of Madhya Pradesh, Gujarat, South Rajasthan and Odisha as compact culture under irrigated and rainfed condition during 2021

Publications in cotton

  • Mandi, N., Nayak, B.S., Mohanty, S.K. and Khanda, C.M. (2019). Efficacy of newer insecticides against sucking pests of hybrid cotton in the western undulating zone of Odisha. International Journal of Chemical Studies. 7(6): 3016-3020.
  • Mandi, N., Nayak, B.S., Mohanty, S.K., Nayak, S.K., Nayak, A. and Khanda, C.M. 2020. Integrated pest management module for major insect pests in high density planting system (HDPS) of cotton. Journal of Cotton Research and Development. 34 (2): 233-242. NAAS rating:4.69
  • Nayak, B.S., Mandi, N., Mohanty, S.K. and Khanda, C.M. 2020. Effect of glyphosate and other herbicides on management of weeds in rainfed cotton (Gossypium hirsutum l.) grown under high density planting system. Journal of Cotton Research and Development. 34(1): 78-83. NAAS rating:4.69.
  • Mandi, N., Nayak, B.S. and Khanda, C.M. (2020). Efficacy of new generation molecules against sucking pests and bollworms in cotton. Journal of Entomology and Zoology Studies, 8(2): 1926-1930.

Extended summaries -

  • Nayak, B.S., Mandi, N., Mohanty, S.K. and Khanda, C.M. (2020). Effect of different sources of nutrients on organic cotton production under rainfed upland ecosystem of Odisha. In Book of oral presentation, National symposium on “Cotton production technologies in the next decade: problems and prospective” held at OUAT, Bhubaneswar during 22-24, January, 2020. pp:123-127.
  • Mandi, N., Nayak, B.S., Mohanty, S.K. and Khanda, C.M. (2020). Efficacy of insecticides against sucking pests of cotton. In Book of oral presentation, National symposium on “Cotton production technologies in the next decade: problems and prospective” held at OUAT, Bhubaneswar during 22-24, January, 2020. pp: 256-261.
  • Nayak, B.S., Mandi, N., Nayak, A., Mohanty, S.K. and Khanda, C.M. (2020). Effect of spacing on yield of different promising genotypes of cotton (Gossypium hirsutum l.) grown under high density planting system (HDPS). In Souvenir and Extended Summary, National Seminar on “Climate Smart Agriculture for Enhancing Farm Profitability” organized by Odisha Chapter of Indian Society of Agronomy during 28-29 January, 2020 at OUAT, Bhubaneswar. pp: 253-255.

Name of the ScientistDr.(Mrs.) Subhashree Das
DesignationBreeder
DisciplinePlant Breeding and Genetics
Year Since ICAR-AICRP
on Cotton
01.04.2023
Mob:9938183554
Email id:subhashreedas@gmail.com

Name of the ScientistMrs. Jyoti Rekha Mallick
DesignationAsst. Entomologist
DisciplineEntomology
Year Since ICAR-AICRP
on Cotton
01.05.2023
Mob:9078464088
Email id:jyotirekhamallick@gmail.com

Seminar/ symposium/training programmes attended


  • Attended the National Symposium on “Cotton production technology in the next decade: Problems and prospective” at OUAT, Bhubaneswar from 22nd January, 2020 to 24th January, 2020.
  • Attended the National Seminar on “Climate Smart Agriculture for Enhancing Farm Profitability” organized by Odisha Chapter of Indian Society of Agronomy during 28-29 January, 2020 at OUAT, Bhubaneswar.
  • Attended the online webinar on “Celebrating 18 years of successful Bt Cotton cultivation in India” Organised by Biotecnika Info Labs Pvt Ltd on 12th September, 2020.
  • Attended the “International Web Conference on Ensuring Food Safety, Security and Sustainability through Crop Protection” organised by Bihar Agricultural University, Sabour, Bhagalpur on August 5-6, 2020.
  • Attended 10 days online International Training Programme on “Climate Risk Assessment and its Management through Agrometeorological Approaches” organised by Dryland Agriculture Research Station, Rangreth SKUAST, Kashmir from 21st -30th October, 2020.
  • Attended the National e- Training on “Research Ethics and Thesis / Research Paper Writing Skills Development” organised by C. S. Anand University of Agriculture and Technology, Kanpur- 208002 on 24th – 28th November, 2020.
  • Attended 21 days Winter School in on-line mode on “Emerging problems & recent advances in applied sciences : Basic and molecular approach” from 26th February, 2023 to 18th March, 2023 organised by Astha Foundation, Meerut(U.P.), India.

Research papers presented at International and National Seminars/ Symposia


  • Sahoo, B.B., Nayak, A., Nayak, B.S., Mohanty, S.K., Mandi, N., Das, S., Prasad, G. and Khanda, C.M. 2021. Effect of sowing dates on growth, yield and economics of tomato (Solanum lycopersicom L.) hybrids under changing climate condition of Odisha. In: International Plant Physiology Virtual Symposium on Physiological Interventions for Climate Smart Agriculture, 11-12 March, ICAR- Sugarcane Breeding Institute, Coimbatore.
  • Nayak, A., Nayak, B.S., Mohanty, S.K. and Khanda, C.M. 2022. Effect of nitrogen levels and weed management practices on weed dry matter accumulation, yield and economics of hybrid maize (Zea maysL.). In: National Conference on Maize for Resource Sustainability, Industrial Growth and Farmers’ Prosperity, 23-25 February 2022, MPUAT, Udaipur, Rajsthan.
  • Sahoo B. B. Nayak U, Panda N, Sinha B, Mishra N, Mohanty S. K, Nayak B. S,and Khanda C. M. 2022. Organic manure integration optimizes soil fertility status for sustainable productivity and profitability of Okra (Abelmoschus esculentus L.) In: National Symposium on “New Opportunities in Vegetable Production for Sustainable Development” held on 20th – 22nd December 2022 at ICAR-IIVR, Jakhini, Varanasi, Uttar Pradesh.
  • Sahoo BB, Nayak B S, Mohanty S K, Nayak A,Prasad G, Das S, Behera S and Khanda CM. 2022. Performance of Marigold (Tagetes erecta L.) varieties for Better Livelihood Opportunities in Odisha. In: National Seminar horticulture for sustainable development, nutritional & livelihood security held on 26th – 27th May, 2022 at Uttar Banga Krishi Viswavidyalaya Pundibari, Cooch Behar West Bengal.
  • Sahoo BB, Nayak B S, Mohanty S K, Prasad G and Khanda CM. 2021. Integrated nutrient management practices in Onion (Allium cepa L.) under the western undulating zone of Odisha. In: 9th Indian Horticulture Congress-2021 on Fruits and Vegetables for Health, Livelihoods and Economy held on 18th – 21st November, 2021at CSAUA & T, Kanpur, UP.

Trainings Attended


  • Attended 10 days online International Training Programme on “Climate Risk Assessment and its Management through Agrometeorological Approaches” organised by Dryland Agriculture Research Station, Rangreth SKUAST, Kashmir from 21st -30th October, 2020.
  • Attended the National e- Training on “Research Ethics and Thesis / Research Paper Writing Skills Development” organised by C. S. Anand University of Agriculture and Technology, Kanpur- 208002 on 24th – 28th November, 2020.
  • Attended 21 days Winter School in on-line mode on “Emerging problems & recent advances in applied sciences : Basic and molecular approach” from 26th February, 2023 to 18th March, 2023 organised by Astha Foundation, Meerut(U.P.), India.

Member of professional societies


  • Dr. B. S. Nayak, Asst. Agronomist is the life member of CRDA, CCS, HAU, Haryana
  • Mr. N. Mandi, Asst. Entomologist is the life member of CRDA, CCS, HAU, Haryana

Radio Talks


  • Dr. S. K. Mohanty. “Brusti pusta Anchalare Unnata Pranalire Jada Chasa” Improved method of castor cultivation in rainfed areas. 06.08.2021(7.30 -7.45 P.M.)
  • Dr. S. K. Mohanty. “Kalahandi jillare jada fasalara gurutwa o subidha sujoga”Importance and prospects of castor crop in Kalahandi district of Odisha. 08.03.2022 (7.30 -7.45 P.M.)
  • Dr. S. K. Mohanty. “Chasa jamira prakara anusare phasala khasada prastuti” Crop planning for different land types. 28.03.2023 (7.30 -7.45 P.M.)
  • Dr. B. S. Nayak. “Unnata pranalire kappa chasa” Improved practices of cotton production. 05.08.2021 (7.30 -7.45 P.M.)
  • Dr. B. S. Nayak. “Brustipusta anchala pain saghana kappa chasa paddhati” High density planting system in cotton for rainfed areas. 16.07.2022 (7.30 -7.45 P.M.)
  • Dr. B. S. Nayak. “Kapa phasalra amala parabarti jatna” Post harvest management of cotton. 30.11.2022 (7.30 -7.45 P.M.)
  • Dr. B. S. Nayak. “Ama rajyare kapa phasalaru adhika amala pain kharadinia prak prastuti” Summer ploughing and other pre sowing practices to increase cotton yield in the state. 26.03.2023 (7.30 -7.45 P.M.)
  • Dr. Subhashree Das. “Kalahandi jila re Basnadhana chasa” Aromatic rice cultivation in Kalahandi District. 19.07.2022 (7.30 -7.45 P.M.)
  • Dr. Subhashree Das. Adhika amalapain unnata pranalire buta chasa” Improved method of chickpea cultivation for higher production. 28.11.2022 (7.30 -7.45 P.M.)

Publications


  • Mandi, N., Nayak, B.S., Mohanty, S.K. and Khanda, C.M. (2019). Efficacy of newer insecticides against sucking pests of hybrid cotton in the western undulating zone of Odisha. International Journal of Chemical Studies. 7(6): 3016-3020.
  • Mandi, N., Nayak, B.S., Mohanty, S.K., Nayak, S.K., Nayak, A. and Khanda, C.M. 2020. Integrated pest management module for major insect pests in high density planting system (HDPS) of cotton. Journal of Cotton Research and Development. 34 (2): 233-242. NAAS rating:4.69
  • Nayak, B.S., Mandi, N., Mohanty, S.K. and Khanda, C.M. 2020. Effect of glyphosate and other herbicides on management of weeds in rainfed cotton (Gossypium hirsutum l.) grown under high density planting system. Journal of Cotton Research and Development. 34(1): 78-83. NAAS rating:4.69.
  • Mandi, N., Nayak, B.S. and Khanda, C.M. (2020). Efficacy of new generation molecules against sucking pests and bollworms in cotton. Journal of Entomology and Zoology Studies, 8(2): 1926-1930.

Trials conducted


Sl. No. Year No. of trials conductedTotal
Plant breeding Agronomy Entomology
1. 2018 5 4 5 14
2.2019 5 5 4 14
3. 2020 5 3 412
4. 2021 1 4 5 10
5. 2022 1 4 4 9
6.(Proposed)20235 5 5 15

Details of the trials conducted


PLANT BREEDING


2018-19

  • Br 02a (N)- Initial Evaluation Trial (IET) G. hirsutum – Irrigated
  • Br 06a(N)- Initial Evaluation Trial of Compact cotton genotype G. hirsutum- Irrigated
  • Br 03a(Z)- Preliminary Varietal Trial (PVT) G. hirsutum- Irrigated
  • Br 04a (Z)- Co-ordinated Varietal Trial (CVT) G. hirsutum –Irrigated
  • Br 06a(Z)- Initial Evaluation Trial of Compact cotton genotype G. hirsutum- Irrigated

2019-20

  • Br 02a (N)- Initial Evaluation Trial (IET) G. hirsutum – Irrigated
  • Br 06a(N)- Initial Evaluation Trial of Compact cotton genotype G. hirsutum- Irrigated
  • Br 03a(Z)- Preliminary Varietal Trial (PVT) G. hirsutum- Irrigated
  • Br 04a (Z)- Co-ordinated Varietal Trial (CVT) G. hirsutum –Irrigated
  • Br 06a(Z)- Initial Evaluation Trial of Compact cotton genotype G. hirsutum- Irrigated

2020-21

  • Br 02a (N)- Initial Evalutiion Trial (IET) G. hirsutum – Irrigated
  • Br 06a(N)- Initial Evalutiion Trial of Compact cotton genotype G. hirsutum- Irrigated
  • Br 03a(Z)- Preliminary Varietal Trial (PVT) G. hirsutum- Irrigated
  • Br 04a (Z)- Co-ordinated Varietal Trial (CVT) G. hirsutum –Irrigated
  • Br 06a(Z)- Initial Evalutiion Trial of Compact cotton genotype G. hirsutum- Irrigated

2021-22

  • Br 04a (Z)- Co-ordinated Varietal Trial (CVT) G. hirsutum –Irrigated

2022-23

  • Evaluation of cotton genotypes under organic management conditions

2023-24 (Proposed to be conducted)

  • Br.02c - Initial Evaluation of G. hirsutum under organic conditions (Irrigated)
  • Br.05c - Preliminary Hybrid Trial of H x H hybrids under organic conditions (Irrig)
  • IET-ICAR Bt hybrid trial (HxH)
  • IET- ICAR Bt variety trial (Hirsutum)
  • Evaluation of cotton genotypes under organic management conditions (Station trial)

Agronomy


2018-19

  • Agro-I A: Agronomic requirements of promising pre-released/recently released hirsutum genotypes of cotton
  • Agro-V- Technology for organic cotton production
  • Agronomy VII: Labour saving techniques in Cotton cultivation.
  • Agronomy IIIB: Enhancing Nitrogen use efficiency in cotton

2019-20

  • Agro-I A: Agronomic requirements of promising pre-released/recently released hirsutum genotypes of cotton
  • Agro-IV- Technology for organic cotton production
  • Agronomy VI: Labour saving techniques in Cotton cultivation.
  • Agro. III: Enhancing Nitrogen use efficiency in cotton
  • Agro. X: Effect of bio stimulant on growth and development of cotton

2020-21

  • Agro-IV- Technology for organic cotton production
  • Agro. III: Multi-tier cropping system to enhance resource utilization,rofitability and sustainability of Bt cotton (Gossypium hirsutum) production system
  • Effect of foliar nutrition on yield attributes and seed cotton yield of hybrid cotton (Gossypium hirsutum) under rainfed ecosystem (station trial)

2021-22

  • Agro-IV- Technology for organic cotton production
  • Agro.X.: Multi-tier cropping system to enhance resource utilization, profitability and sustainability of Bt cotton (Gossypium hirsutum) production system
  • Agro.XI. Effect of Bio stimulant on growth and development of Bt cotton hybrids/varieties
  • Agro. XII. Large scale testing of proven intervention
  • Demo.1. Integrated cotton production system (Bt hybrid + plastic mulch)
    Demo.2. Control (Conventional practice)

2022-23

  • Agro-IV-Technology for organic cotton production
  • Agro.X.: Multi-tier cropping system to enhance resource utilization,rofitability and sustainability of Bt cotton (Gossypium hirsutum) production system
  • Agro.XI. Effect of Bio stimulant on growth and development of Bt cotton hybrids/varieties
  • Agro. XII. Effect of land configuration and plant growth regulator on drought management in cotton

Entomology


2018-19

  • Ent.1a: Screening of breeding materials for resistance to insect pests (National trials- Br 02a, Br 05a, Br 06a & Zonal Trials –Br 03a, Br 04a, Br 05a and Br 06a).
  • Ent. 1b:- Advanced Screening of Promising entries for development of repository.
  • Ent. 2: Population dynamics to develop suitable forecasting model.
  • Ent.4: Determination of ETLs and estimation of yield losses for cotton pink bollworm
  • Ent 6: Validation of IPM module for PBW.

2019- 20

  • Ent.1a: Screening of breeding materials for resistance to insect pests (National trials- Br 02a, Br 05a, Br 06a & Zonal Trials –Br 03a, Br 04a, Br 05a and Br 06a).
  • Ent. 2: Seasonal dynamics of insect population to develop suitable forecasting model.
  • Ent.4: Estimation of yield losses and management of cotton pink bollworm
  • Ent 5: Validation of IPM module for cotton insect pests.

2020-21

  • Ent.1a: Screening of breeding materials for resistance to insect pests (National trials- Br 02a, Br 05a, Br 06a & Zonal Trials –Br 03a, Br 04a, Br 05a and Br 06a).
  • Ent. 2: Seasonal dynamics of insect population to develop suitable forecasting model.
  • Ent.4: Management of sucking pests in cotton
  • Ent 6: Validation of IPM module for Bollworms (H. armigera, Earias sp, P. gossypiella and Spodoptera litura.)

2021-22

  • Ent.1a: Screening of breeding materials for resistance to insect pests National trials- Zonal Trials –Br 04a,
  • Ent. 2: Seasonal dynamics of insect population to develop suitable forecasting model.
  • Ent.6: Management of sucking pests in cotton
  • Ent 9: Validation of IPM module for Bollworms (H. armigera, Earias sp, P. gossypiella and Spodoptera litura.
  • Ent. 10: Evaluation of prominent insecticides against bollworm complex of cotton

2022-23

  • Ent.2. Seasonal dynamics to develop suitable forecasting model
  • Ent.4. Integrated Pest Management in Cotton
  • Ent. 6. Evaluation of prominent and label claimed insecticides against bollworm complex of cotton
  • Management of stem weevil in hybrid cotton (station trial)

2023-24 (Proposed to be conducted)

  • Ent.2. Seasonal dynamics to develop suitable forecasting model
  • Ent.4. Integrated Pest Management in Cotton
  • Ento. 5(a). To Evaluate and identify suitable interventions for seed treatment in organic cotton production
  • Ento. 5(b). To validate IPM module based on existing interventions for Organic Cotton Production
  • Management of stem weevil in hybrid cotton (station trial)

Techonolgies Developed


The package of practices for cotton for the state of Odisha was developed by this centre taking the research findings on crop production and protection technologies and recommendations of ICAR-CICR, Nagpur from time to time.

Varieties released
  • Cotton variety BS 279 has been released for the state of Odisha during the year 2021 vide notification No. CG-DL-E-03022021-224901 by the Gazette of India for normal planting.
  • Cotton variety BS 30 has been released for Central Zone (Maharashtra, Gujarat, Madhya Pradesh, Rajasthan and Odisha) both for irrigated and rainfed condition for high density planting system vide notification No. CG-DL-E-28072021-228539 by the Gazette of India.

GENETICS AND PLANT BREEDING: RESEARACH ACHIVEMENTS


  • Conducted five trials (2 National and 3 zonal trials) in 2018-19
  • Conducted five trials (2 National and 3 zonal trials) in 2019-20
  • Conducted five trials (2 National and 3 zonal trials) in 2020-21
  • Conducted one zonal trial in 2021-22
  • Conducted one zonal trial in 2022-23
  • Maintenance of germplasms of cotton
  • Crossing programme for varietal development

AGRONOMY:RESEARACH ACHIVEMENTS


  • In an experiment on evaluation of cotton genotypes for spacing and fertilizer requirement it was revealed that the spacing 90 cm x 60 cm recorded the highest plant height (102.37 cm), lowest number of monopodia (1.57) and highest number of sympodia (13.69) as compared to the other two spacings. However, the number of bolls/m2 (116.53), boll weight (4.71 g) and seed cotton yield (2306 kg/ha) was the maximum with the spacing S3 (90 cm x 30 cm). 125 % RDF recorded the maximum plant height (101.90 cm), lowest number of monopodia (1.54), highest number of sympodia (13.11), highest boll weight (4.78 g) as compared to the other two levels of fertilizer. The number of bolls per m2 (88.27) and seed cotton yield (2472 kg/ha) was also maximum with 125 % RDF. (2018-19)
  • In a study on increasing N use efficiency in cotton, it was observed that N use efficiency was the maximum (10.62 kg/kg of N) in 100 % of RDN (Band application in 2 splits at Basal & Flowering) which was at par with 75 % of RDN (Band application in 2 splits at Basal & Flowering) with 10.08 kg/kg of N. (2018-19)
  • In the organic cotton trial it was revealed that the treatment RD (Recommended Dose) of nutrient through inorganic recorded significantly the highest seed cotton yield (1657 kg/ha) which was at par with that obtained from RD of nutrient through organic sources based on P equivalent basis with 1615 kg/ha. Absolute control (No organic and inorganic) recorded the lowest seed cotton yield (965kg/ha). (2018-19)
  • In the labour saving techniques in cotton trial it was observed that the combination of treatments like land shaping by power tiller, application of pre-em (Pendimethalin @ 1.0 kg/ha) and post-em (Glyphosate @1.0 kg/ha) herbicides, interculture operations and earthing up by bullock drawn plough and use of power sprayer recorded significantly the highest plant height (107.9 cm), lowest number of monopodia (1.75), highest number of sympodia (15.42), boll weight (4.6 g) and seed cotton yield (3019 kg/ha). (2018-19)
  • In an experiment on evaluation of cotton genotypes for spacing and fertilizer requirement it was revealed that the spacing 90 cm x 60 cm recorded the highest plant height (104.57 cm), lowest number of monopodia (1.77) and highest number of sympodia (13.69) as compared to the other two spacings. However, the number of bolls/m2 (118.53), boll weight (4.91 g) and seed cotton yield (2576 kg/ha) was the maximum with the spacing S3 (90 cm x 30 cm). 125 % RDF recorded the maximum plant height (104.1 cm), lowest number of monopodia (1.74), highest number of sympodia (13.11), highest boll weight (4.98 g) as compared to the other two levels of fertilizer. The number of bolls per m2 (90.27) and seed cotton yield (2755 kg/ha) was also maximum with 125 % RDF. (2019-20)
  • In a study on increasing N use efficiency in cotton, it was observed that the treatment T2 i.e. 100 % of RDN (Band application in 2 splits at Basal & Flowering) recorded the maximum plant height (108 cm), No. of sympodial branches/plant (15.27), No. of Bolls/square metre (58.8), boll weight (4.93 g) and seed cotton yield (2101 kg/ha).
  • In the organic cotton trial it was revealed that the treatment RD (Recommended Dose) of nutrient through inorganic (T2) recorded significantly the highest seed cotton yield (1585 kg/ha) which was at par with that obtained from RD of nutrient through organic sources based on P equivalent basis (T3) with 1512 kg/ha. Absolute control (No organic and inorganic) recorded the lowest seed cotton yield (880kg/ha). (2019-20)
  • In the labour saving techniques in cotton trial it was observed that the combination of treatments like land shaping by power tiller, application of pre- (em (Pendimethalin @ 1.0 kg/ha) and post-em (Glyphosate @1.0 kg/ha) herbicides, interculture operations and earthing up by bullock drawn plough and use of power sprayer recorded significantly the highest plant height (111.1 cm), lowest number of monopodia (1.95), highest number of sympodia (15.82), boll weight (4.7 g) and seed cotton yield (2897 kg/ha). (2019-20)
  • In the organic cotton trial it was revealed that the treatment RD (Recommended Dose) of nutrient through inorganic recorded significantly the highest seed cotton yield (1527 kg/ha) which was at par with that obtained from RD of nutrient through organic sources based on P equivalent basis with 1454 kg/ha. Absolute control (No organic and inorganic) recorded the lowest seed cotton yield (882 kg/ha). (2020-21)
  • In an experiment on multitier cropping system in cotton, it was observed that seed cotton equivalent yield was maximum in Paired row of Bt cotton with two rows of intercrop Arhar (2308 kg/ha) followed by Paired row of Bt cotton with two rows of intercrop (Soybean) with 2219 kg/ha and (Paired row of Bt cotton with one rows (Black gram) +one row (Soybean) with2214 kg/ha. (2020-21)
  • In an experiment on Effect of foliar nutrition on yield attributes and seed cotton yield of hybrid cotton it was revealed that the treatment RDF (120:60:60 kg/ha) + 2 spray of 0.5% ZnSO 4 + 0.1% Borax at 90 and 105 DAS recorded the maximum plant height (107.2 cm), No. of sympodial branches/plant (16.9), No. of Bolls/square metre (54.8), boll weight (4.93 g) and seed cotton yield (2180 kg/ha) and minimum No. of monopodial branches/plant (1.86). (2020-21)
  • In the organic cotton trial it was revealed that the treatment RD (Recommended Dose) of nutrient through inorganic recorded significantly the highest seed cotton yield (1553 kg/ha) which was at par with that obtained from RD of nutrient through organic sources based on P equivalent basis with 1480 kg/ha. Absolute control (No organic and inorganic) recorded the lowest seed cotton yield (848 kg/ha). (2021-22)
  • In an experiment on multitier cropping system in cotton, it was observed that seed cotton equivalent yield was maximum in Paired row of Bt cotton with two rows of intercrop Arhar (2448 kg/ha) followed by Paired row of Bt cotton with one rows (Arhar) +one row (Black gram) with 2421 kg/ha, Paired row of Bt cotton with one rows (Black gram) +one row (Soybean) with 2359 kg/ha and Paired rows of Bt cotton with two rows of intercrop (Black gram) with 2349 kg/ha which were at par. (2021-22)
  • In an experiment on Effect of foliar nutrition on yield attributes and seed cotton yield of hybrid cotton it was revealed that the treatment RDF (120:60:60 kg/ha)+ 2 spray of 0.5% ZnSO 4 + 0.1% Borax at 90 and 105 DAS recorded maximum net return and B:C ratio of Rs.78,188 and 2.82, respectively. (2021-22)
  • In the organic cotton trial, it was revealed that the treatment the treatment RD (Recommended Dose) of nutrient through inorganic recorded significantly the highest seed cotton yield (1448 kg/ha) which was at par with that obtained from RD of nutrient through organic sources based on P equivalent basis with 1418 kg/ha. Absolute control (No organic and inorganic) recorded the lowest seed cotton yield (786 kg/ha). (2022-23)
  • In an experiment on multitier cropping system in cotton, it was observed that seed cotton equivalent yield was maximum (2317 kg/ha) in Paired row of Bt cotton with one rows (Arhar) +one row (Black gram) followed by Paired row of Bt cotton with two rows of intercrop Arhar with 2277 kg/ha. (2022-23)
  • In an experiment on “Effect of land configurations and drought management chemicals on growth and yield of cotton” it was observed that Among the land configuration methods, ridge and furrow method recorded significantly maximum plant height (93.81cm), No. of sympodial branches/plant (12.11), No of bolls/m2(37.29), average boll weight(4.06 g), final plant population (13,200/ha), single plant yield(152.3 g) and seed cotton yield(2021 kg/ha) and minimum numbers of monopodial branches/plant(1.64). Flatbed planting (Farmers practice) recorded minimum growth and yield parameters. application of Glycine Betaine @ 100 ppm as single spray after depletion of 75 per cent soil moisture gave the best results with respect to growth and yield parameters of cotton. It recorded significantly maximum plant height (98.3 cm), No. of sympodial branches/plant (12.19), No of bolls/m2(37.6), average boll weight (4.10 g), single plant yield(154.5 g) and seed cotton yield(2076 kg/ha) and minimum numbers of monopodial branches/plant(1.60). Spraying of water in place of drought management chemicals recorded least growth and yield parameters of cotton. (2022-23)

ENTOMOLOGY : RESEARACH ACHIVEMENTS

  • From the trial on screening of genotypes under national trial it was observed that seed cotton yield varied from 19.10 to 4.82 q/ha. Highest yield was recorded on the genotype, 220 (19.10 q/ha) followed by 206 (18.90 q/ha) and 214 (18.71 q/ha). (2018-19)
  • In the advanced screening trial, it was revealed that the genotypes viz., GISV 310, GISV 319 and JK 4 recorded 16.36 q/ha, 16.05 q/ha and 15.43 q/ha seed cotton yield, respectively and were found tolerant to sucking pests like aphids, jassids and thrips (2018-19)
  • From the trial on screening of genotypes under national trial it was observed that Seed cotton yield varied from 25.46 to 9.92 q/ha. Highest yield was recorded on the genotype, GISV 323 (25.46 q/ha) followed by GJHV 566 (23.81 q/ha), GISV 319 (22.82 q/ha) and RHC 1409 (21.16 q/ha). (2019-20).
  • From the trial on population dynamics of major pests in cotton it was observed that the jassid appeared on the crop in the 33rd standard week (13 -19 August) and damaged the crop till the end of the cropping season. However, comparatively more number of insects 21.00 and 22.36 jassids/3 leaves was noticed 41st standard week (8 - 14 October) and 42nd standard week (15 - 21 October). (2019-20).
  • In an experiment for validation of IPM module in cotton, it was observed that the IPM module comprising of Timely sowing, Installation of pheromone traps @ 5-10 per ha at 45 DAS, Spraying neem based formulation (1500 ppm)@ 3 ml/lit at 45 DAS, Use of yellow sticky traps at 30 DAS @ 8 nos./acre, Release of Trichogramma bactarae (thrice at weekly intervals) starting 50 DAS @ 1.5 lakh/ ha, Stem application of Flonicamid 1:20 at 30, 45 & 60 DAS, ETL (10 % fruiting body damage) based application of recommended insecticides, For sucking pests apply Flonicamid/ Dinotefuran, Diafenthiuron in recommended doses at ETL, and Timely termination of crop recorded highest seed cotton yield (25.72 q/ha) as compared to farmers practice (21.50 q/ha). The net profit was highest (Rs. 80,738/-) in IPM module as compared to Farmers practice (module-II) (Rs. 56,100/-). The cost benefit ratio was 2.39 and 1.94 in module-I (IPM) and module-II (Farmers practice), respectively. (2019-20).
  • From the trial on screening of genotypes under national trial it was observed that seed cotton yield varied from 25.08 to 11.96 q/ha. Highest yield was recorded on the genotype, 320 (25.08 q/ha) followed by 314 (22.76 q/ha), 307 (20.06 q/ha) and 303 (19.29 q/ha). (2020-21).
  • The incidence of aphid was observed from 32nd standard week (6 -12 August) to 47th standard week (19 -25 November). However, comparatively high incidence was observed from 32nd and 34th standard week (6th Aug. to 26th Aug) with population ranging from 23.40 to 45.20 aphids/3 leaves. The peak incidence (45.20 aphids/3 leaves) was noticed in the 32nd standard week (6 - 12 August). (2020-21).
  • In the experiment for sucking pest management in cotton it was observed that maximum mean seed cotton yield (26.54 q/ha) was recorded in Flonicamid 50% WG @ 75 g a.i/ha followed by Spiromesifen 240 SC (22.9% @ 144 g a.i/ha) with 25.04 q/ha. (2020-21).
  • In an experiment for validation of IPM module in cotton, it was observed that the IPM module comprising of Timely sowing, Installation of pheromone traps @ 5-10 per ha at 45 DAS, Spraying neem based formulation (1500 ppm)@ 3 ml/lit at 45 DAS, Use of yellow sticky traps at 30 DAS @ 8 nos./acre, Release of Trichogramma bactarae (thrice at weekly intervals) starting 50 DAS @ 1.5 lakh/ ha, Stem application of Flonicamid 1:20 at 30, 45 & 60 DAS, ETL (10 % fruiting body damage) based application of recommended insecticides, For sucking pests apply Flonicamid/ Dinotefuran, Diafenthiuron in recommended doses at ETL, and Timely termination of crop recorded recorded highest seed cotton yield (25.60 q/ha) as compared to module-II (non IPM) block (21.80 q/ha). The net profit was highest (Rs. 95,080/-) in IPM module as compared to Farmers practice (module-II) (Rs. 69,440/-). The cost benefit ratio was 2.78 and 2.22 in module-I (IPM) and module-II (Farmers practice), respectively. (2020-21)
  • Seed cotton yield varied from 9.26 to 29.06 q/ha. Highest yield was recorded on the genotype, 1124 (29.06 q/ha) followed by 1126 (24.43 q/ha) and 1122(22.63 q/ha). (2021-22).
  • Appearance of thrips was observed in the 34th standard week (20-26nd September) and continued up to 46th standard week (12-18November) ranging from 0.22 to 10.22 thrips/ 3 leaves. The peak incidence (10.22 thrips/3 leaves) was noticed in the 38th standard week (17-23rd September). (2021-22).
  • In a trial on management of sucking pests in cotton it was observed that maximum mean seed cotton yield (27.25 q/ha) was recorded in Flonicamid 50% WG @ 75 g a.i/ha followed by Spiromesifen 240 SC (22.9%) @ 144 g a.i/ha with 25.93 q/ha. (2021-22).
  • In a trial on management of bollworm complex in cotton it was observed that maximum mean seed cotton yield (21.30 q/ha) was recorded in in Chlorantraniliprole 18.5 SC @ 150 ml/ ha followed by Pyridalyl 10 EC @ 750 ml/ ha with 20.79 q/ha and Emamectin benzoate 5 SG @ 220 ml/ ha with 20.05 q/ha. (2021-22).
  • In the trial on the study of seasonal dynamics of major insect pests in cotton it was noticed that peak jassid population of 15.41 jassids/ 3 leaves was observed during 43rd SMW (22-28 October) followed by 14.22 jassids/ 3 leaves during 42nd SMW (15-21 October). Jassid population remained above ETL from 38th SMW (17-23 September) to 45th SMW (5-11thNovember) with jassid injury grade varied from I to IV. (2022-23)
  • In a trial on management of bollworm complex in cotton it was observed that maximum mean seed cotton yield (18.76 q/ha) was recorded in in Chlorantraniliprole 18.5 SC @ 150 ml/ ha followed by Pyridalyl 10 EC @ 750 ml/ ha with 17.56 q/ha and Emamectin benzoate 5 SG @ 220 ml/ ha) with 17.16 q/ha. (2022-23)

  • Cotton farmer, Sri. Ravikanth of Nidumukkala village cotton crop in an area of 20 acres during 2017-18. Due to PBW incidence in that year he has not reaped any yields. During 2019-20, he has reduced his cotton area from 20 acres to 10 acres. He voluntarily came forward to implement the project activities and successfully managed PBW in his 10 acres of cotton field and could record net profit of Rs. 20,000/- per acre. Due to confidence in IRM strategies heha decided to revert back to cultivate 20 acres during 2019-20
  • Valeti. Anil Kumar, Bezathpuram: Has produced 25.63 q/ha of seed cotton. Inspite of bad season during this year due to continuous heavy rains, by adopting IRM practices against pink bollworm, Anil Kumar has succeeded in producing more yield per ha in 2020
  • Nidumukkala Ravi, Mothadaka, Tadikonda (Mandal), Guntur (District): Has produced 37.50 q/ha of seed cotton. Even though there was highly irregular trajectory monsoon season during this year which leads to continuous heavy rains but by adopting IRM practices against pink bollworm, Ravi has succeeded in producing more yield per ha in 2021

Name of the FarmerMr.Nidumukkala Ravi
Address : Mothadaka, Thadikonda (Mandal), Guntur District.
Taluka – Dediyapada
District – Narmada
Mobile No.9849887585
Age.45
Education9th standard
Landholding30 acres
Area under Project 1 acre
Source of IrrigationRainfed
Guidance received from implementing centerRARS, Lam, Guntur
AchievementsHe was achieved 41.17 % increase in production and 68.75 % increase in income over previous year
Yield (qt/ha)40
Yield in non IRM field (qt/ha)22

Name of the FarmerMr.Vanga Naveen Reddy
Address : Jonnalagadda, Tadikonda (Mandal), Guntur District.
Mobile No.9963181999
Age.50
Education10th standard
Landholding2 acres
Area under Project 1 acre
Source of IrrigationRainfed
Guidance received from implementing centerRARS, Lam, Guntur
Achievements He was achieved 14.28 % increase in production and 20 % increase in income over previous year
Yield (qt/ha)35
Yield in non IRM field (qt/ha)32

Challenge: Pink bollworm, a hidden pest
Initiative: Integrated Protection Measures against Cotton Pests and Diseases, especially, Pink bollworm
Key Result: Improvement in quantity and quality of seed cotton.
Impact: Farmer, Sri. R. Lakshman Naik realized seed cotton yield of 30q/ha during 2021-22 as against 20q/ha during 2020-21 as a result of critical interventions including seed treatment against sucking pests and seed and soil-borne diseases, mass trapping, use of Trichocards, spraying neem products, timely plant protection measures, timely termination of crop etc.
Lesson learned: Awareness on Pink bollworm management strategies in cotton, extending the project for some years to increase the beneficiaries.

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