Chemical Control of Rhynchosia capitata (Roth.) DC in Green Gram with Lactofen at Reduced Rate with Alkyl Ether Sulfate as Adjuvant
Chemical Control of Rhynchosia capitata (Roth.) DC in Green Gram with Lactofen at Reduced Rate with Alkyl Ether Sulfate as Adjuvant
Muhammad Ehsan Safdar1*, Samra Ammara1, Muhammad Sikander Hayyat1, Shahbaz Hussain2, Muhammad Mansoor Javaid1, Abdul Rehman1 and Amjed Ali1
ABSTRACT
A trial was undertaken to ascertain the efficacy of lactofen keeping its full and minimized application rates on Rhynchosia capitata (Roth.) DC in green gram alone and in tank mixed addition of adjuvant (alkyl ether sulfate) at Research Area, University of Sargodha during spring 2015. The studies consisted of seven herbicide treatments, viz. lactofen complete dose (180 g a.i. ha-1) alone, lactofen complete dose + adjuvant, lactofen 80% dose alone, lactofen 80% dose + adjuvant, lactofen 60% dose alone, lactofen 60% dose + adjuvant and a control (no herbicide). It was found that lactofen full dose with and without adjuvant attained significantly the lowest R. capitata dry weight and highest seed yield of green gram. However, these treatments remained statistically at par with lactofen 80% and lactofen 60% doses with adjuvant regarding these parameters. Keeping in view the R. capitata weed control efficiency along with green gram yield enhancement, it was concluded that lactofen dose can be reduced up to 20-40% by the addition of adjuvant (alkyl ether sulfate) for management of R. capitata in green gram crop.
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