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云南哈尼梯田红米地方品种品质性状分析(网络首发、推荐阅读)
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Quality Traits Analysis of Red-grained Rice Landraces from Hani’s Terraced Fields in Yunnan Province(Online First, Recommended Article)
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    摘要:

    以云南哈尼梯田收集的36份红米地方品种为试验材料,分析其外观品质、碾米品质和蒸煮食味品质。结果表明,哈尼梯田红米品质性状差异较大,有9个品质性状的变异系数在10%以上,其中垩白度的变异系数最大,为90.47%,粒长的变异系数最小,为5.08%。通过与NY/T593—2013《食用稻品种品质》农业行业标准比较,哈尼梯田红米碾米品质较好,而垩白度和直链淀粉含量达到优质籼稻的品种数量较少。主成分分析提取的前4个主成分累积贡献率达到77.004%,第1主成分可以解释24.384%的总变异,其中垩白度、垩白面积和直链淀粉含量的荷载值较高。聚类分析将所有红米品种分为3大类,第Ⅰ类包含3个品种,表现为碾米品质差,第Ⅱ类为主要类群,包含31个品种,第Ⅲ类由2个糯稻品种组成。研究结果可为哈尼梯田红米资源的保护和利用提供重要参考。

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    In this study, grain quality of thirty-six red-grained rice landraces from Hani’s terraced fields in Yunnan province were studied. The results showed that the quality traits were significantly different among different red-grained rice landraces, the coefficient of variation of 9 quality traits was above 10%. The largest coefficient of variation was chalkiness degree (90.47%), while grain length was smallest (5.08%). The most landraces in Hani terrace had better milling quality, while the number of Indica Rice Varieties with high chalkiness and amylose content was less when compared with the Agricultural industry standard - Cooking rice variety quality (NY/T593—2013). Four principal components were extracted by principal component analysis (PCA), the accumulative contribution ration amounted to 77.004%. The first principal component (PC1) explained 24.384% of the total variance, which was contributed by chalkiness degree, chalky area and amylose content. Cluster analysis showed 36 red-grain rice landraces grouped into three clusters, the first cluster included 3 landraces with poor milling quality, the main cluster II involved 31 landraces, and the cluster Ⅲ included 2 waxy rice landraces. The results could provide scientific reference for protection and application of red-grained rice resources from Hani’s terraced fields.

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卢丙越*,刘 帆,张 薇,孟衡玲,王田涛,雷 恩.云南哈尼梯田红米地方品种品质性状分析(网络首发、推荐阅读)[J].粮油食品科技,2021,29(3):25-31.

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  • 在线发布日期: 2021-05-31
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