Department of Entomology, Punjab Agricultural University, Ludhiana, 141004
*Email: vijay_ento@pau.edu
Online published on 27 July, 2018.
Among the insecticides evaluated against Bemisia tabaci on cotton, triazophos @ 1500 ml/ha persisted for 9.14 days while buprofezin @ 625 ml/ha persisted for shortest period of 2.19 days during 2015–16. However, during 2016–17, the LT50 values were found higher in case of buprofezin @ 1250 ml/ha (8.00 days) while buprofezin @ 625 ml/ha persisted for shortest period of 1.35 days.
Bemisia tabaci, Cotton, residual toxicity, persistence, triazophos, buprofezin, ethion, diafenthiuron, spiromesifen, pyriproxyfen, acetamiprid
