耐胁迫水稻品种Swarna Shreya在奥里萨邦东南高山区旱涝地区的表现

S. R. DASH1, B. Routray, H. Das, N. Behera
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引用次数: 0

摘要

干旱等压力是严重降低水稻产量的重要生产制约因素。本研究于2019年丰收季节在奥里萨邦东南高止山区的Malkangiri区进行了一线示范,以评估耐旱水稻品种Swarna Shreya的性能,并采用推荐的一揽子(示范技术)实践。水稻品种Sahabhagi dhan被认为是当地的检查(农民实践)。施里亚在株高(110.4 cm)、分蘖数(17.8)、穗长(23.5 cm)、穗数(162)、试重(23.4 g)方面表现较好,产量为42.4 q ha-1。就收益率而言,与当地检查Sahabhagi dhan相比,Swarna Shreya高出15.2%。最高的经济回报,更高的B: C比率(1.8)也记录了Swarna shreya。因此,在奥里萨邦东南高山区的旱地生态系统中,可以将耐旱水稻品种Sahabhagi dhan替换为Swarna Shreya,以获得更高的产量和更高的经济回报。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance of Stress Tolerant Rice Variety Swarna Shreya Under Rainfed Drought-Prone Areas of South Eastern Ghat Zone of Odisha
Stress like drought is an important production constraint that drastically reduces rice yield. The present study was conducted during kharif season of 2019 through the front line demonstrations in Malkangiri district of South Eastern Ghat Zone of Odisha to evaluate the performance of drought tolerant rice variety Swarna Shreya with recommended package (demonstrated technology) of practices. Rice variety Sahabhagi dhan was considered as local check (farmers practice). Performance of Swarna Shreya was better in terms of plant height (110.4 cm), number of tillers hill-1 (17.8), panicle length (23.5 cm), number of grains panicle-1 (162), test weight (23.4 g) with yield of 42.4 q ha-1. In terms of yield, it was 15.2% more with Swarna Shreya as compared to local check Sahabhagi dhan. Highest economic return with more B: C ratio (1.8) was also recorded with Swarna shreya. So, drought tolerant rice variety Sahabhagi dhan can be replaced with Swarna Shreya for more yield and higher economic return in rainfed upland ecosystem of South Eastern Ghat Zone of Odisha.
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