Vol. 11, Special Issue 8 (2022)

Author(s):
Rohit Pattar, Subhash B Kandakoor, Guruprasad GS and Gurupad Balol

Abstract:
The field experiment carried out during Rabi-summer 2020-21, at Agricultural Research Station (ARS), Bailhongal, Karnataka, India. The population of different sucking pests recorded and the influence of different sowing dates was observed throughout the crop period. Crop sown at six different times from November first fortnight to till January second fortnight with 15 days interval. Among sucking pests, Aphids (Aphis glycines) were minor in November sown crop and absent in December and January sown crops. Highest population of whiteflies (Bemisia tabaci) recorded in November 1^st FN sown crop (6.60 whiteflies/ top 3 leaves) at 51^st MSW. Leafhoppers (Empoasca fabae) appeared after 2-3 weeks. November 1^st fortnight sown crop found severely infected (10.50 hoppers / top 3 leaves). Thrips found after flowering stage and higher population was recorded in January sown crops. Overall, sucking pest load was more in November (early) and January (late) sown crops comparatively.