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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here
ICV 2022: 95.28
Index Copernicus ICI Journals Master List 2022 - IJCMAS--ICV 2022: 95.28
For more details click here
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Original Research Articles                      Volume : 8, Issue:11, November, 2019
PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com /
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
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Int.J.Curr.Microbiol.App.Sci.2019.8(11): 2342-2349
DOI: https://doi.org/10.20546/ijcmas.2019.811.271


Efficacy Assessment of Insecticidal Alternation for the Management of Jassid (Amrasca biguttula biguttula Ishida) and Aphid (Aphis gossypii Glover) Pest of Bt Cotton
Bhavna Verma1*, Ravikant Soni2, S.B. Singh3 and R.K. Choudhary4
1Department of Plant Protection Quarantine and Storage, CIPMC, Indore (MP.), India
2Dr. B. R. Ambedkar University of Social Sciences, Mhow, Indore (MP.), India
3Department of Horticulture, Mandsour (M.P.), India
4Department of Agriculture, Indore (M.P.), India
*Corresponding author
Abstract:

The study was conducted during kharif 2014 at College of Agriculture, Indore under All India Coordinated Cotton Improvement Project in Randomized Block Design (RBD) with eight treatments and three replications on Bt cotton hybrid NCS 927, sown on 27th July with 0.6x0.6 m spacing. All the recommended agronomical practices were adopted. Treatments were planned for alternate use of two insecticides during six sprays. The spraying was done at 10 days interval with 500 litre water per hectare, using knapsack sprayer fitted with a duromist nozzle. These treatments were prepared as T1- Imidacloprid (70%WG) @ 24.5 gai/ha & Oxydmeton methyl (25%EC) @ 250 gai/ha, T2- Thiaclorprid (21.7%SC) @ 30 gai/ha & Dimethoate (30%EC) @ 250 gai/ha, T3- Imidacloprid (17.8%SL) @ 25 gai/ha & Acephate (75%SP) @ 250 gai/ha, T4- Imidacloprid (30.5%SC) @ 26.25 gai/ha & Thiamethoxam (25%WG) @ 37.5 gai/ha, T5- Spiromesifen (22.9%SC) @ 144 gai/ha & Deltamethrin (2.8%EC) @ 15 gai/ha, T6-Fipronil (5%SC) @ 100 gai/ha & Lambdacyhalothrin (4.9%EC) @ 15 gai/ha, T7- Acetamiprid (20%SP) @ 30 gai/ha & Difenthiuran (50%WP) @ 300 gai/ha and T8- Untreated check. All the treatments Exhibited a significant reduction in jassid population over untreated check. Treatment T6- Fipronil (5%SC) @ 100 gai/ha & Lambdacyhalothrin (4.9%EC) @ 15 gai/ha showed least pest population in each spray and expressed no significant difference with T5- Spiromesifen (22.9%SC) @ 144 gai/ha & Deltamethrin (2.8%EC) @ 15 gai/ha. Similarly the overall jassid population reduction was recorded highest in treatment T6 (80.56%) followed by T5 (74.88%) and other treatments in which T1- Imidacloprid (70%WG) @ 24.5 gai/ha & Oxydmeton methyl (25%EC) @ 250 gai/ha (61.21%) showed least population reduction. Similar trend of efficacy was observed against aphid where treatment T6 showed least pest population in each spray and expressed no significant difference with T5. Again T6 showed highest aphid population reduction (80.56%) and followed with T5 (74.88%).


Keywords: Alternation, Efficacy, Insecticides, Bt cotton, Jassid, Aphid

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How to cite this article:

Bhavna Verma, Ravikant Soni, S.B. Singh and Choudhary, R.K. 2019. Efficacy Assessment of Insecticidal Alternation for the Management of Jassid (Amrasca biguttula biguttula Ishida) and Aphid (Aphis gossypii Glover) Pest of Bt Cotton.Int.J.Curr.Microbiol.App.Sci. 8(11): 2342-2349. doi: https://doi.org/10.20546/ijcmas.2019.811.271
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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