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Paper Details

Effect of weed management on yield, quality and weed parameters in dill seed (Anethum graveolens L.)

S.K. MEENA, L.J. DESAI1, SHAUKATALI* AND SHIVPRAKASH NAGAR

Journal Title:International Journal of Agricultural Sciences
Abstract


An experiment was conducted on loamy sand soil of Instructional Farm, Department of Agronomy, C.P. College of Agriculture, S.D. Agricultural University, Sardarkrushinagar (Gujarat) during the Rabi season of 2011-12 on weed control study in dill seed (Anethum graveolens L.) in Randomized Block Design (RBD) with four replications and 10 weed control treatments comprised viz., T1 : Pendimethalin @ 0.5 kg ha-1 PE, T2 : Pendimethalin @ 1.0 kg ha-1 PE, T3 : Pendimethalin @ 0.5 kg ha-1 PE + one hand weeding after 30 DAS, T4 : oxadiargyl @ 50 g ha-1 PoE at 20 DAS, T5 : oxadiargyl @ 75 g ha-1 PoE at 20 DAS, T6 : Pendimethalin @ 0.5 kg ha-1 PE + oxadiargyl @ 50 g ha-1 PoE at 20 DAS, T7 : Pendimethalin @ 0.5 kg ha-1 PE + oxadiargyl @ 75 g ha-1 PoE at 20 DAS, T8 : Weed free, T9 : Weedy check and T10 : Farmers practice (One hand weeding + one interculturing at 30 DAS). Results indicated that significantly maximum grain yield of 1294 kg ha-1 and stover yield of 2255 kg ha- 1 were recorded in the treatment weed free. The treatment involving weed free resulted in significantly highest oil content of (3.95 per cent) and oil yield (51.12 kg ha-1). Besides weed free condition, application of pendimethalin @ 0.5 kg ha-1 (PE) + oxadiargyl @ 75 g ha-1 PoE at 20 DAS was found more effective in reducing the weed population at periodically (viz., grassy, broad leaved and sedges) and resulted in to lowest dry weight of weeds (18.86 g m-2), highest weed control efficiency (81.71 %) as well as lowest weed index (6.13 %). Treatment pendimethalin @ 0.5 kg ha-1 (PE) + oxadiargyl @ 50 g ha-1 PoE at 20 DASwas found equally effective with this respect.

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