| Autor: |
Ramkumar, Prajapati, Krishna Kant, Keval, Ram, Srivastav, C. P. |
| Předmět: |
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| Zdroj: |
Journal of Experimental Zoology India; Jul2022, Vol. 25 Issue 2, p2515-2520, 6p |
| Abstrakt: |
The present study was conducted to evaluate the comparative efficacy and economics of different insecticides against Melanagromyza obtusa, Clavigralla gibbosa and Helicoverpa armigera infesting pigeonpea variety Bahar during Kharif 2020-21. Among all the treatments, Thiamethoxam 25 WG @ 75g a.i./ ha provided better control of M. obtusa and C. gibbosa in terms of higher percent reduction in population over control, lower pod and grain damage and higher grain yield. Spinosad 45 SC @ 73g a.i./ ha was found to be most effective against H. armigera with minimum mean larval population (1.14 larvae/ plant), pod damage (5.20%) and grain damage (1.72%). All the treatments were statistically significant in increasing grain yield (i.e. 986.89 kg/ha to 1039.49 kg/ha) over untreated control (803.02 kg/ha). Thiamethoxam 25 WG @ 75g a.i./ ha treatment was also most economical with maximum cost: benefit ratio of 1: 5.61. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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