The effect of planting date on the yield and components of soya variety in Salmas region

Subject Areas : crop production

احسان شرافت نژاد ¹ , علی نصرالله زاده اصل ²

1 - دانش آموخته كارشناسي ارشد رشته كشاورزي – زراعت ، واحدخوي ، دانشگاه آزاد اسلامي خوي ، ايران
2 - گروه کشاورزی-دانشکده کشاورزی-دانشگاه ازاد اسلامی خوی

Received: 2012-04-26 Accepted : 2013-12-16 Published : 2013-12-31

Keywords: Plantation date – cultivar – soya – grain yield,

Abstract :

To evaluate the effect of planting date on the yield and components of soya variety, an experiment was carried out in 1390 in Salmas. The first factor, the planting date, was assigned in four levels: Ordibehesht 25th and Tir 10th; the second factor was the cultivar in three levels: William, L17, and Zan. The measurable traits included: weight of 100-grain, number of pods in the shrub, number of grain in the pod, number of offshoots in the shrub, oil percentage and grain yield. The analysis of date variance showed that the impact of planting date on the weight of 100-grain, the number of pods in the shrub, number of grain in the pod, number of offshoots in the shrub, oil percentage and grain yield were meaningful. All the measured traits were reduced with delay in plantation, and the utmost grain yield appeared in Ordibehesht 25th plantation for 333.4g per square meter. The effect of cultivar on the tested traits, except the grain number was significant and the highest grain yield, 235.4g per square meter was allocated to Zan variety.

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