Seasonal Incidence of Whitefly (Bemisia tabaci) and Leafhopper (Empoasca kerri) on Soybean

Abstract

The investigation titled " seasonal incidence of whitefly (Bemisia tabaci) and leafhopper (Empoasca kerri) on soybean" was conducted at the Agricultural Research Station (ARS), Adilabad, Professor Jayashankar Telangana State Agricultural University during the kharif seasons of 2017 and 2018. The pooled results revealed that among various sowing dates, namely, 18th - 15th of June (sowing I), 28th - 25th of June (sowing II), 7th - 5th of July (sowing III), 17th - 15th of July (sowing IV), and 27th - 25th of July (sowing V), sowing I recorded the minimum incidence of the whitefly (Bemisia tabaci Gennadius) population (2.00), and the maximum incidence was observed in sowing III (2.77) during kharif 2017. In the kharif season of 2018, the minimum incidence was noted in sowing IV (4.25), while the maximum was observed in sowing II (5.22). Similarly, the incidence of leafhoppers (Empoasca kerri Pruthi) was at its minimum during sowing I (2.99 and 4.41) and reached its maximum during sowing III (3.67 and 6.16) in kharif 2017 and 2018, respectively.