Response of Seed Yield Components, Protein and Oil Content of Soybean (Glaycine max L.) Cultivars to Various Sowing Date in Shirvan
Author(s):
Abstract:
To study the response of yield،yield components،protein and oil content of soybean cultivars to delay in planting in Shirvan region، an experiment was conducted at Research Farm of the Faculty of Agriculture، Shirvan in 2010. In this study، nine soybean cultivars (Habit، Hack، Black Hack، Cencutry، Cloumbos، Clark، Sahar، Zane and Willams) were evaluated at different sowing dates (20 May، 4 June and 20 June) in factorial experiment based on randomized complete block design with three replications. The results indicated that yield components، protein content and grain yield significantly reduced by delay planting. The first planting (20 May) had the highest grain yield (2338 kg/ha). There were significant differences between soybean cultivars for grain yield and other traits except oil content. Zane cultivar had the highest grain yield. Sahar cultivar had the lowest grain yield due to the reduced harvest index، increase days to flowering and days to poding. The results indicated that delay in planting causes reduction in grain yield. Zane، Black Hack، and Hack cultivars had the highest grain yield in all planting dates.
Keywords:
grain yield , oil , protein , soybean , yield components
Language:
Persian
Published:
Journal of Crop Improvment, Volume:15 Issue: 2, 2013
Pages:
31 to 41
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