Document Type : Articles
Authors
Biotechnology& Crop science Department, College of Agricultural Engineering Sciences, University of Sulaimani, Bakrajo, Sulaimani, Kurdistan region, Iraq
Abstract
This study was carried out at two locations in Sulaimani governorate, Qlyasan and Kanipanka, during the winter season of 2017-2018 to evaluate the response of four lines of Grass pea Lathyrus sativus (IF 003, IF 133, IF 102, IF 067) lines and four seeding rates (80kg/h, 100kg/h, 120kg/h, 140kg/h). The experiment was conducted at (December 5th /2018) in Kanipanka and (December 6th /2018) at Qlyasan. The design of factorial experiment RCBD with three replications was conducted. Means comparison was carried out by the least significant difference (L.S.D) at a significant level of 5%. The results confirmed that the grass pea lines, as the average of both locations there were highly significant differences among lines due to plant height, days to %50 flowering, leaf dry weight, and number of bacterial nodules/plant, but significant differences were observed for the character stem dry weight... It was noticed that the effect of locations on growth and forage characters for grass pea was highly significant for the days to maturity, leaf dry weight, stem dry weight, leaf stem ratio and number of bacterial nodules/plant, while it was significant for the character plant height. It was indicated that the second location recorded the highest value for plant height, leaf dry weight, stem dry weight, leaf stem ratio and number of bacterial nodules/plant with 60.080cm, 1.970g, 1.850g, 2.600 and 16.390 respectively. At the average of both locations there were differences highly significant among lines due to days to maturity, leaf dry weight, stem dry weight, leaf stem ratio and number of bacterial nodules/plant. Line number IF067 produced the highest value for days to maturity and stem dry weight and number of bacterial nodules/plant with 155.6 days, 4.990 g and 14.27 respectively. The effect of seeding rate on seed yield and it is components for grass pea at the average of both locations and there was highly significant for the number of pod/plant, seed yield, biological yield, and harvest index significant for 100 seed weight. As the average of both locations using 140 kg/h seeds produced maximum values for the most characters.
Keywords
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