Screening of herbicides for weed control, growth and yield of irrigated onion (Allium cepa L.) in tropical Savanna climate
2013
D.I. Adekpe | J.A.Y. Shebayan | C.P. Shinggu | L. Aliyu
Field experiments were conducted during the 2006/2007 and 2007/2008 dry seasons at Sudan Savanna Nigeria to study the effects of herbicides on weeds and growth of irrigated onion (Allium cepa L.). The field was laid out in a randomized complete block design (RCBD) and the treatments included four rates (with and without supplementary hoe weeding - SHW) of oxadiazon 25 EC, butachlor 50 EC, pendimenthalin 50 EC, bullet 700 SC (atrazine + acetochlor + terbuthylazine), eight rates (with or without SHW) of oxyfluorfen 41 FW, hoe weeded at 3 and 6 weeks after transplanting (WAT) and untreated control. The treatments were replicated three times. The results indicated that application of oxadiazon 25 EC at 4 l/ha and oxyfluorfen 41FW at 6 l/ha both followed by SHW gave low weed dry weight, larger bulb diameter, higher mean bulb weight and bulb yield per hectare compared to the hoe-weeded control.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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