Occurrence and management of the fall armyworm, Spodoptera frugiperda: a new insect pest on maize at Regional Agricultural Research Station, Chintapalle, Visakhapatnam, Andhra Pradesh, India.
Occurrence of fall armyworm was noticed during August, 2018 in Integrated Crop Management (ICM), Organic Farming (OF) and Plaekar farming (PF) Package plots of Maize with extent of 22.08 to 4.03 per cent plant infestation during 30 DAS of Maize. Per cent infestation of Fall armyworm was declined from 22.08 to 0.61 after whorl application of Carbofuran 3G granules followed with Emamectinbenzoate spray in ICM package. In organic farming package, per cent infestation of fall armyworm was declined from 1.44 to 0.75 after NSKE followed with neem oil sprays. But, in Palekar Package, the treatments i.e. Bhramastra and Aganiastra were found ineffective. Per cent cob infestation was found to be 13.33, 4.54 and 35.59 respectively in ICM, Organic Farming and Plaekar plots of Maize respectively. Yield in ICM, Organic Farming and Plaekar plots of Maize was 57.6, 13.6 and 25.2 q/ha, respectively.