Vol. 11, Special Issue 5 (2022)

Author(s):
Hemprakash Sharma, NC Mandawi, Yaspal Singh Nirala and AK Thakur

Abstract:
Survey work was done on real pest problems of three blocks i.e., Tokapal, Lohandiguda and Bastar block of Bastar district (C.G.) was conducted during Kharif 2021-22. Two villages in each block were visited during the crop growth period. Pink stem borer (Sesamia inferens), Aphid (Hysteroneura setariae), Grasshopper (Hieroglyphus banian, Cataloipus sp.) and Ear head caterpillar (Helicoverpa armigera) was observed as major insect pests in the finger millet ecosystem in different blocks of Bastar district. The maximum seasonal mean activity of pink stem borer and aphid was recorded in Lohandiguda block with 7.25 per cent dead heart and 11.48 aphids per plant in which Baghanpal village of Lohandiguda block had maximum infestation of pink stem borer and aphid population with 8.14 per cent dead heart and 13.45 aphid per plant. Bastar block was earmarked for maximum block seasonal mean affected ear head of finger millet by ear head caterpillar having 9.37 per cent affected ear head. However, Badechakwa village of Bastar block received maximum damage of H. armigera (11.76% affected ear head). In the Lohandiguda block, the highest seasonal mean intensity of grasshopper was recorded with 10.57% damaged leaf. The highest levels of insect pest infestation was observed in Lohandiguda and Bastar blocks, while insect pest activity was found lowest in the Tokapal block.