To evaluate the effects of different doses of oxyfluorfen and trifluralin herbicides on weeds control, economic and biologic yield of garlic var. Mazand (Allium sativum L.). An experiment was conducted in the form of simple randomized complete block design with three re
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To evaluate the effects of different doses of oxyfluorfen and trifluralin herbicides on weeds control, economic and biologic yield of garlic var. Mazand (Allium sativum L.). An experiment was conducted in the form of simple randomized complete block design with three replications in 2012 - 2013 year. Factor studied were: one application of trifluralin and oxyfluorfen 1.5, 2 and 2.5 lit.ha-1, two applications of oxyfluorfen 1.5 lit.ha-1, hand weeding control and without weeding control.Results showed that using different doses of herbicides significantly affected density and biomass of weeds. Two applicarions of oxyfluorfen with 1.5 liters per hectare and hand weeding were best options to reduce of weeds biomass. Using of oxyfluorfen herbicide (2 and 2.5 liters) resulted in little damage and low stable on garlic. Using of different herbicides with different doses were significant on plant height, number of cloves per bulb, 100 seed weight, biological and economical yield and harvest index. Lowest economic yield was due to control treatment (540 g.m-2) and highest was obtained by using 1.5 liter of oxyfluorfen herbicide (1661.67 g.m-2), hand weeding (1686.67 g.m-2) and split oxyfluorfen application (1670 g.m-2). Finally, oxyfluorfen treatment (1.5 liter) on 3 to 4 weeds leaf, were identified as the most appropriate treatments.
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