凉山州地方粳稻品种性状研究
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戴红燕(1968- ),女,副教授,主要从事水稻和荞麦育种及栽培技术研究。

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四川省科技厅重点科技项目(项目编号:07JY029-002)


Study on the Characters of Local Japonica Rice Variety in Liangshan
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    摘要:

    本文通过对部分凉山州地方粳稻品种的生育进程、分蘖成穗情况、株叶特性和抗性、穗部性状及物理品质的研 究表明,各品种的生育期均短于对照,单株分蘖力大多高于对照而成穗率大多低于对照,株高偏高,抗倒伏力弱而抗病力强,株 型和剑叶性状较好,穗部性状各品种间差异较大,产量和收获指数均不及对照,稻米的物理品质除个别品种的糙米率、整精米 率、垩白粒率达粳稻米二级指标外,其它均较差。综合各个品种的农艺性状及物理品质,以Y63、Y64、X32、B95和B134较好,可作为育 种材料或经过改良在适宜地区推广种植。

    Abstract:

    The growing process,formation of spike from the tillers,characteristics of plant type,resistance,ear characters and physical quality of some local Japonica rice variety in Liangshan were studied. The result indicated that,for all local Japonica rice variety in Liangshan of this experiment,the growing process was shorter than that in control,tillering ability of per plant was mostly higher than that in control but its formation of spike from the tillers was mostly lower than that in control,the plant height was higher than that in control,they has weak lodging resistance and strong disease resistance,and they has better characteristics of plant type and flag leave. There is great difference in ear characters of different local Japonica rice variety in Liangshan. The grain yield and harvest index were lower than that in control,and except the percentage of brown rice,percentage of head rice and chalkiness reached the second index,the other physical qualities of rice were poor. According to the agronomic characters and physical quality of all local Japonica rice variety in Liangshan,Y63,Y64,X32,B95 and B13 were better, which can be used as breeding material and extension in suitable area by modifying.

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戴红燕,蔡光泽,华劲松,张荣萍.凉山州地方粳稻品种性状研究[J].西昌学院学报(自然科学版),2008,(3):23-27.

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  • 在线发布日期: 2017-05-10