芝麻叶面病害的IDM管理方法

P. Mahalakshmi
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引用次数: 0

摘要

芝麻(Sesamum indicum L.)是印度最古老、最重要的油料作物,具有丰富的蛋白质来源、高品质的籽油和许多抗氧化特性。叶面病害的发生是近年来制约芝麻种植成功和盈利的主要因素。在泰米尔纳德邦泰米尔纳德邦农业大学Vridhachalam区域研究站,连续两年(2015年和2016年)进行了芝麻防治叶面病害和提高种子产量的综合病害管理实践田间试验。采用8个处理对芝麻黑斑病和白粉病进行了综合治理。在田间条件下试验的不同处理中,2015年和2016年秋收期间,绿螟10 g/kg +沟施绿螟2.5 kg/ha (100 kg富绿螟2.5 kg/ha) 250 kg/ha +叶面喷施菌丁醇1 g/l的处理的稻斑病发生率最低(15.14%和13.72%),产量为642 kg/ha和657 kg/ha。黑斑病的减少也与种子产量的增加直接相关。在白粉病方面,在2015 - 2015年和2016年,使用10% WP @ 1 g/l的百虫腈喷雾,记录的最低发病率为5.83和9.65 PDI,产量为642 kg/ha和657 kg/ha。
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IDM practices for the management of foliar diseases of sesame (Sesamum indicum L.)
Sesame (Sesamum indicum L.) is the most ancient and important oilseed crop, with rich source of protein, high quality seed oil and many antioxidant properties is extensively grown in India. Occurrence of foliar diseases are Alternaria leaf spot and powdery mildew become a major constraint in recent years for successful and profitable cultivation of sesame. Field experiment was conducted on integrated disease management practices to combat foliar diseases and to increase the seed yield of sesame during two consecutive years (2015 and 2016) at Regional Research Station, Vridhachalam, Tamil Nadu Agricultural University, Tamil Nadu. Integrated management of Alternaria leaf spot and powdery mildew of sesame were conducted with eight treatments. Among the different treatments tested in field condition, the minimum incidence of Alternaria leaf spot (15.14 % and 13.72%) with higher yield of 642 kg/ha and 657 kg/ha were recorded in seed treatment with T. viride @ 10 g/kg + furrow application of T. viride (2.5 kg/ha enriched in 100 kg of FYM) @ 250 kg/ha + foliar spray of myclobutanil @ 1 g/l during Kharif 2015 and 2016.The reduction of Alternaria leaf spot was also directly associated with an increase in seed yield. In case of powdery mildew, the minimum incidence 5.83 and 9.65 PDI with higher yield of 642 kg/ha and 657 kg/ha were recorded in Kharif - 2015 and 2016 with spray of myclobutanil 10% WP @ 1 g/l.
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