不同播期油菜-芥菜基因型评价及其遗传变异

Md. Habibul Islam, M. Salim, A. Hasan, R. Tabassum, Farhana Khatun Ousro, Ishak Hosen, Mst Maiful Akter Dina, F. Monshi
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引用次数: 1

摘要

油菜籽是一种重要的油籽品种,具有很高的营养价值和经济价值;由于它的多种用途,它的受欢迎程度越来越高。采用3个重复的分割小区设计,对10个基因型油菜和2个播期进行评价。研究表明,播期和基因型对水稻生长参数、产量及其贡献性状有较大影响。BARI sarisha-16产量最高(1613 kg.ha-1), Binasarisha-9产量最低(840 kg.ha-1)。11月10日(S1)播种期均优于11月24日(S2)播种期,籽粒产量最高(1120 kg.ha-1),比11月24日(S2)播种期(1025 kg.ha-1)高出10%,营养生长也较好。这些结果肯定了产量贡献性状对种子产量的影响。在大多数性状中,表型方差大于基因型方差。株高、一枝/株数、硅果数、硅果长、每硅果粒数、50%开花至成熟天数和千粒重与籽粒产量呈极显著正相关。因此,从产量及相关性状来看,BARI - sarisha-16具有进一步开发利用的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of Rapeseed-mustard Genotypes in Different Sowing Regimes and Their Genetic Variabilities
Rapeseed-mustard is an important oilseed species with high nutritional and economic values; it’s popularity increases due to its diverse uses. Ten genotypes of rapeseed-mustard and two sowing dates were evaluated in a split plot design with three replications. Our study demonstrated that sowing dates and genotypes greatly influenced the growth parameters, yield, and it contributing characters. BARI sarisha-16 had the highest yield (1613 kg.ha-1) whereas Binasarisha-9 yielded the lowest yield (840 kg.ha-1). All the yield contributing characters was superior in the earlier (10 November, S1) sowing date than the 24 November (S2), demonstrated by the highest grain yield (1120 kg.ha-1) which was 10 % higher than the seed sown on 24th November (S2) (1025 kg.ha-1), and better higher vegetative growth. These results affirmed that the yield contributing traits resulted the higher seed yield. In most of the studied characters, the higher phenotypic variances were observed than that of its genotypic variances. The significant positive correlation with grain yield were found in plant height, number of primary branches/plants, number of siliqua/plants, siliquae length, number of seed per siliquae, days of 50% flowering to maturity and 1000 seed weight. Therefore, based on the yield and the related traits, BARI sarisha-16 can be used for further utilization.
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