Evaluation of gallant ee on cough grass (digitaria scalarium) and kikuyu grass (Penisetum clandestinum) Timbilil estate, Kericho

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English
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Kenya Agricultural Research Institute, Muguga South, Kikuyu, Kenya
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1988404962
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Language: 
English
Abstract: 
Gallant EE (Haloxytop- ethoxyethl) was evaluated together with conventionally used herbicides against grasses on tea. Five treatments consisting of 5.9mý plots in a randomised block design, with three replicates were applied. All herbicides significantly (P=0.05) reduced couch grass population throughout the experimental period with different degrees of effectiveness. Roundup at 2kg ai/ha and a tank mixture of roundup at 1 kg ai/ha+Gallant EE at 0.25kg ai/ha. Were significantly superior than the others. Gramoxone (1.6 L/ha) alone or as a tank mixture with Gallant EE should not be used against couch grass. Gallant EE at the commercial rate of 0.5kg ai/ha was however a promising herbicide against couch grass. All herbicides significantly (P=0.05) controlled Kikuyu grass compared to the control. Roundup at 2kg ai/ha and a tank mixture of Roundup at 1 kg ai/ha + Gallant EE at 0.25kg ai/ha were significantly superior than all the rest. Kikuyu grass seemed more vulnerable to Roundup than couch grass.
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Date of publication: 
January, 1988
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