Comparative Study of Chemical Insecticides for the Management of Fall Armyworm in Maize Under Fields Conditions
DOI:
https://doi.org/10.70749/ijbr.v4i4.3067Keywords:
Maize, Insect Pest Infestation, Crop Yield and Fall Armyworm.Abstract
The fall armyworm, Spodoptera frugiperda (J.E. Smith), is a destructive transboundary lepidopterous pest affecting more than 78 countries worldwide by infesting a wide array of agronomic and horticultural crops such as maize. Maize is an important cereal crop worldwide. Maize crop production is hampered by various factors including the insect pest infestation. The current research was executed to probe out the efficacy of Chlorantraniliprole 12% + Thiamethoxam 12% (24% SC), Chlorantraniliprole 10% + Thiamethoxam 20%) (30% SC), Bifenthrin 8.7% + Abamectin 2.8% (11.5% EC), and Spinetoram against fall armyworm, Spodoptera frugiperda in maize crop. Results revealed that after application average population per plant were found reduced with increase in post-treatment period and comparatively lower fall armyworm count (1.15 mean FAW plant− 1) after 72 hrs was recorded in case of Chlorantraniliprole 12% + Thiamethoxam 12%, spinetoram (1.18), Bifenthrin + Abamectin (1.20), Chlorantraniliprole 10% + Thiamethoxam (1.30) and control pod (7.6), respectively. Results showed that after 72hrs of application the maximum control of fall armyworm by Chlorantraniliprole 12% + Thiamethoxam 12% (85.0%), followed by Spinetoram (84.6%), Bifenthrin 8.7% + Abamectin 2.8% (84.3%), Chlorantraniliprole 10% + Thiamethoxam 20%) (82.9%) and control (0.0). Hence, use of new chemistry insecticide system can be effective for the control of fall armyworm leading to maximization of crop yield and productivity.
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