Performance of pre planting herbicides on weed control and growth of no tillage pineapple (Ananas comosus L.)
1996
Kleopan Suwanarak | Sermsiri Kongsaengdao (Department of Agriculture, Bangkok (Thailand). Botany and Weed Science Div. Weed Science group)
Studies on weed control in no tilled pineapple cultivation were conducted during June 1991 to August 1993 in Phetchaburi Horticultural Research Station. Randomized Complete Block was designed with 3 replications and 8 treatments. No-tilled cultivation and herbicides were used to eradicate weeds at 1 month before planting pineapple shoots. Dimefuron+diuron 320+240 g ai/rai and hexazinone+diuron 160+240 showed good efficiency for weed control without affected to the crop. Moderate weed control obtained from the treatments of glufosinate NH(+)4+diuron and paraquat+diuron at the same rate of 160+240 g ai/ rai while bromacil 320 g ai/rai gave good control during the first 3 months. Imazapyr 40 g ai/rai followed with paraquat 160 g ai/rai showed excellent weed control, but this herbicide caused phytotoxic effect to pineapple when planted at 1 month after herbicide application. However, tilled cultivation before planting showed better weed control efficacy than no tilled cultivation which yield was differ by 14.3 percent
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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