播种方式和除草制度对芝麻产量的影响

Afroza Khanam, M. Salam, Md. Romij Uddin, M. Rabbani, S. Hoshain
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引用次数: 0

摘要

本试验在孟加拉国农业大学农学田间实验室进行,目的是观察播种方式和除草制度对芝麻产量的影响。这个实验由两个因素组成。两种播种方法,即撒播和线播(S2),以及六种除草制度-控制(T0),无杂草(T1), 15 DAS单手除草(T2), 15和30 DAS双手除草(T3), 15、30和45 DAS三手除草(T4)以及3 DAS使用Panida(戊二甲基灵)除草剂(T5)。试验采用随机完全区组设计(RCBD), 3个重复。播种方式、除草制度及其交互作用对芝麻产量性状影响较大。结果表明,在株高(100.40 cm)、分枝数(4.983)株- 1、蒴果数(47.82)株- 1、蒴果数(69.66)、千粒重(2.96 g)、种子产量(956.90 kg ha-1)、秸秆产量(2167.0 kg ha-1)、生物产量(3123.00 kg ha-1)和收获指数(31.45%)方面,线播均优于放播。无杂草处理的株高(101.90 cm)、分枝数(5.00)、荚果数(47.08)、千粒重(3.28 g)、荚果数(76.22)、籽粒产量(974.30 kg ha-1)、秸秆产量(2947.0 kg ha-1)和生物产量(3922.0 kg ha-1)均高于其他处理,而无杂草处理对芝麻整体产量和产量属性的影响不显著。在互作情况下,与其他互作组合相比,无杂草处理和行播除草处理均产生最高株高、分枝数和蒴果数plant - 1、种子蒴果数plant - 1、种子产量、秸秆产量和生物产量(分别为109.80 cm、5.967、56.57、81.53、1054.0 kg ha-1、3139.0 kg ha-1和4193.0 kg ha-1)。研究结果表明,免除杂草加行播是提高芝麻产量的适宜技术。但由于不可能在整个生育期保持田地无杂草,因此行播与Panida除草剂的施用是获得较高产量的最佳组合。阿格利司》。,力所能及的。鱼类。8(3):291-299,2021年12月
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of sowing methods and weeding regimes on the yield of Sesame (Sesamum indicum L.)
The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University to observe the effect of sowing methods and weeding regimes on the yield of sesame. The experiment comprised of two factors. Two methods of sowing i.e., broadcasting and line sowing (S2), and six weeding regimes- control (T0), weed free (T1), one hand weeding at 15 DAS (T2), two hand weedings at 15 and 30 DAS (T3), three hand weedings at 15, 30 and 45 DAS (T4) and application of Panida (Pendimethalin) herbicide (T5) at 3 DAS. The experiment was laid out in a randomized complete block design (RCBD) with three replications. Almost all the yield characters of sesame were affected significantly due to sowing methods, weeding regime and their interaction. Result showed that the l ine sowing showed better performance regarding plant height (100.40 cm), number of branches (4.983) plant–1, number of capsules plant–1 (47.82), number of seeds capsule–1 (69.66), 1000–seed weight (2.96 g), seed yield (956.90 kg ha–1), stover yield (2167.0 kg ha–1), biological yield (3123.00 kg ha–1) and harvest index (31.45%) than that of broadcasting method. Also weed free treatment had the highest plant height (101.90 cm), highest number of branches (5.00) plant-1, highest capsule (47.08) plant–1, heaviest 1000–seed weight (3.28 g), highest number of seeds capsule–1 (76.22), highest seed yield (974.30 kg ha–1), stover yield (2947.0 kg ha–1) and biological yield (3922.0 kg ha–1) as compared to other treatments while unweeded plot had least significant effect among the whole yield and yield attributes of sesame. In case of interactions, both weed free treatment and herbicidal effect with line sowing methods produced the highest plant height, number of branches and capsules plant–1, seeds capsule–1, seed yield, stover yield and biological yield (109.80 cm, 5.967, 56.57, 81.53, 1054.0 kg ha–1, 3139.0 kg ha–1 and 4193.0 kg ha–1, respectively) as compared to other interaction combinations. The results of the study reveal that the weed free treatment along with line sowing would be the proper technique for higher production of sesame. But line sowing along with application of Panida herbicide would be the best combination for obtaining higher yield of sesame since it is not feasible for the farmers to keep their field weed free throughout all the growing periods. Res. Agric., Livest. Fish.8(3): 291-299, December 2021
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