ارزیابی میزان انواع علفکش های خاک مصرف بر خصوصیات رشدی کنجد(Sesamum indicum L. ) متحمل به ریزش دانه

In order to investigate the response of Sesamum indicum L.to different doses and various of soil applied herbicides, an experiment was conducted with 13 treatments in based on randomized complete block design (RCBD) in four replications inGonbad-e Kavus. The results indicated that there was a significant(a=5%) difference in the height of sesame after thirty days, but no significant difference was observed in the height of the capsule and the height of sesame after harvesting. The maximum height of the sesame plant after thirty days was in the control treatment with 41.80 cm and Afalen 1.5 with 43.92 cm and the lowest in the Surpass 2 treatment with 36.17 cm. The number of capsules, the weight of seeds per capsule and the weight of 1000 seeds were significant (a=5%), but no significant difference was observed in the number of seeds in the capsule and the total weight of sesame seeds after harvesting. The maximum number of capsules was observed in Refit 1.5 treatment with 48 and the minimum amount in Afalan 2 treatment with 38.18. The highest amount of seed weight per capsule was found in Surpas 2 treatment with 61.90 gr. and the lowest amount of seed weight per capsule was found in Refit 2 treatment with 38.05 gr. The highest amount of 1,000 seed weight was in Prol 3 treatment with 4.02 and the lowest 1,000 seed weight was in Prol 2 treatment with 3.57.