Effect of chemicals on natural enemies of insect pests in rice field under agro-climatic condition of Allahabad
Krishna Gupta, Ashwani Kumar, Pushpendra Singh Sahu, Hadi Husain Khan, Navneet and Ghanenedra Pal Patel
An experiment was conducted during Kharif season in 2016 at the Central Research Farm, SHUATS, Naini, Allahabad to observe the three applications of seven insecticides viz Imidacloprid 17.8% SL, Trizophos 25% SP, Monocrotophos 36% SL, Thiamethoxam 25% WG, Acephate 75% SP, Carbaryl 50% SP, Malathion 50% EC on natural enemies of insect pests in rice field under agro-climatic condition of Allahabad. Results were revealed that all the treatments were effective significantly to suppress the population of Coccinellids as compared with control (1.36 Coccinellids/hill). The treatment Monocrotophos was recorded lowest population of Coccinellids with (0.54 Coccinellids/hill) and found to be superior among all other treatments. This was followed by Triazophos (0.65Coccinellids /hill), Carbaryl (0.76Coccinellids /hill), Thimethoxam (0.83Coccinellids/hill), Malathion (0.87Coccinellids /hill), Imidacloprid (0.91Coccinellids/hill), Acephate (1.07Coccinellids/hill) respectively.
Krishna Gupta, Ashwani Kumar, Pushpendra Singh Sahu, Hadi Husain Khan, Navneet, Ghanenedra Pal Patel. Effect of chemicals on natural enemies of insect pests in rice field under agro-climatic condition of Allahabad. J Entomol Zool Stud 2018;6(1):1735-1737.