山东地方水稻品种的农艺性状与品质性状的多样性分析
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山东省农业良种工程项目,山东省自然科学基金项目(ZR2009DQ013,Q2008D10)


Diversity Analysis of Agronomic and Quality Characters of Rice Landraces in Shandong
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    摘要:

    摘要:采用多样性指数分析了102份山东水稻地方品种抽穗期、株高、穗长等13个农艺性状和蛋白质含量、直链淀粉含量、胶稠度及RVA谱特征值等12个品质性状的多样性。结果表明,山东地方水稻品种农艺性状存在较高的多样性,多样性指数(H′)范围为1.42~2.05,株高、穗颈长、每穗粒数的多样性指数较高,分别为2.01、2.02、2.05;品质性状的多样性指数范围为0.99~2.04,其中蛋白质含量、胶稠度、最高粘度、热浆粘度、崩解值的多样性指数分别为2.00、2.04、2.04、2.01、2.04。结果表明山东地方水稻农艺性状与品质性状存在较为广泛的多样性,可为山东地方水稻品种的有效利用提供依据。

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    Abstract: Thirteen agronomic characters and 12 quality characters of 102 rice landraces from Shandong Province were investigated and analyzed using the method of diversity index (H′) to provide useful information for genetic improvement of rice (Oryz sativa L.). The results indicated that the diversity index of agronomic characters varied from 1.42 to 2.05. There were higher diversity indexes in plant height, panicle neck length, and spikeletes per panicle. Diversity index were 2.01, 2.02, and 2.05, respectively. The ranges of diversity indexes of the quality characters were 0.99 to 2.04. Diversity indexes of protein content, gel consistency, peak viscosity, and hot paste viscosity and breakdown were 2.00, 2.04, 2.04, 2.01, and 2.04, respectively. These results showed that there was an abundant genetic diversity among agronomic characters and quality characters in Shandong rice landraces. These results provides useful information to rice breeding.

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陈峰,朱其松,徐建第,等.山东地方水稻品种的农艺性状与品质性状的多样性分析[J].植物遗传资源学报,2012,13(3):393-397.

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  • 收稿日期:2011-07-25
  • 最后修改日期:2011-09-16
  • 录用日期:2012-03-13
  • 在线发布日期: 2012-04-13
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