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Stability study in aromatic rice (Oryza sativa L.).

机译:芳香稻(Oryza sativa L.)的稳定性研究。

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The present study was undertaken with 30 aromatic rice genotypes grown in four environments (24 June and 14 July sown for two years; kharif 2008 and 2009) in randomized block design following standard package of practices for aromatic rice at Rice research Field, RAU, Pusa, Bihar. Observations were recorded on quantitative and quality traits. It was observed that among the different dates of sowing, E3 (24 June, kharif 2009) gave the highest grain yield followed by E1 (24 June, kharif 2008). Genotype x environment interaction was observed to be significant for most of the characters except for panicle length, effective tillers per plant, spikelets per panicle, filled grain per panicle, leaf area index, specific leaf weight and gelatinization temperature under study. For grain yield, Sanwal Basmati was observed as above average stable, whereas Pusa Sugandh-3 was the average stable and Jasmine and NDR 9542 were below average stable genotypes. These stable genotypes, namely, Sanwal Basmati, Pusa Sugandh-3, Jasmine and NDR 9542 have reflected stability for component traits.
机译:本研究是在普萨大学RAU水稻研究场的标准做法包之后,采用随机分组设计对在四种环境(6月24日和7月14日播种两年; 2008年和2009年哈里夫)中生长的30种香米基因型进行的。比哈尔记录观察到的数量和质量特征。观察到,在不同的播种日期中,E 3 (6月24日,哈里夫2009)的籽粒产量最高,其次是E 1 (6月24日,哈里夫2008)。 。除穗长,每株有效分till,每穗小穗,每穗实粒,叶面积指数,比叶重和糊化温度外,基因型x环境的相互作用对大多数特征均具有重要意义。对于谷物产量,观察到Sanwal Basmati的稳定度高于平均水平,而Pusa Sugandh-3的稳定度为平均水平,而Jasmine和NDR 9542的基因型却低于平均水平。这些稳定的基因型,即Sanwal Basmati,Pusa Sugandh-3,Jasmine和NDR 9542反映了成分性状的稳定性。

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