Weed mangement  Elucidating the impact of new-generation herbicides on productivity and phytotoxicity on chickpea (Cicer arietinum) and their residual effects

KAPILA SHEKHAWAT; G D SANKETH; K BHANU REKHA; Y CHAITHANYA; T RAM PRAKASH; K S SUDHAKAR

doi:10.56093/ijas.v93i10.140011

Authors

KAPILA SHEKHAWAT Professor Jayashankar Telangana State Agricultural University, Hyderabad, Telangana 500 030, India
G D SANKETH Professor Jayashankar Telangana State Agricultural University, Hyderabad, Telangana 500 030, India
K BHANU REKHA Professor Jayashankar Telangana State Agricultural University, Hyderabad, Telangana
Y CHAITHANYA Professor Jayashankar Telangana State Agricultural University, Hyderabad, Telangana
T RAM PRAKASH Professor Jayashankar Telangana State Agricultural University, Hyderabad, Telangana
K S SUDHAKAR Professor Jayashankar Telangana State Agricultural University, Hyderabad, Telangana

https://doi.org/10.56093/ijas.v93i10.140011

Keywords:

Imazethapyr, Mechanical weeding, Pendimethalin, Phytotoxicity, Residual effect, Topramezone

Abstract

The study suggests that in chickpea higher WCI, HEI and lower WI were noticed with the application of pendimethalin + imazethapyr 1.0 kg/ha as PE fb MW at 30 DAS. Although the application of topramezone @25.2 g/ha as PoE fb MW at 40 DAS (T₅) resulted in higher WCI and lesser weed dry weight at both 60 and 90 DAS, the residual effect of this treatment was evident on the succeeding crops. Thus, standardization of the dose of topramezone for chickpea without any phytotoxic effect on the succeeding crops would pave the way for effective weed management in a cropping system mode.

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