Study on the Incidence of Sucking Pests and Pink Bollworm in Cotton
N. Rajasekhar, P. Venkata Subbaiah, P. N. Siva Prasad, M. Raja Narasimha, I. Venkata Reddy
Journal of Experimental Agriculture International · pp. 18–25 · Published 19 Apr 2023
10.9734/jeai/2023/v45i72128Abstract
Sucking pests and pink bollworm are serious pest of cotton one after the other in India by causing serious yield losess. The present investigation was carried out in three major cotton growing mandals of NTR district to understand the level of pest incidence in Bt cotton during Kharif, 2022-23 on regular interval. Among the sucking pests only thrips population recorded 32.26 no/3 leaves and crossed the ETL at 45 DAS. Remaining sucking pests such as Leafhopper, whitefly and aphid did not crossed ETL during crop growth period and highest incidence of 5.92, 4.04 and 27.14 no/3 leaves was recorded respectively at 45, 60 and 120 DAS. Whereas pink bollworm recorded 23.10% rosette flowers, 44.04% boll damage in Bheemavaram village of Vastavai mandal and 40.83% locule damage in Konakanchi village of Penuganchiprolu mandal.
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