Lodging resistance of 26 varieties and lines of plateau japonica rice was evaluated by investigating 20 traits(7 classes) including plant height, panicle weight, panicle length, internode length, internode wall thickness, node diameter etc. The relationship between lodging resistance and pedigrees of the rice varieties was analyzed. The results showed lodging resistance was not significantly correlated with panicl length, panicle weight, and internode diameter, while significantly correlated with the rest 4 classes of traits. Pedigree analysis showed lodging resistance of varieties was closely correlated with that of their parents. Among there traits, plant height, internode lengths, thickness of internode wall, and diameter of node have significant correlation with lodging resistance. Lodgingresistant parents help improve lodgying resistance of bred varieties.
DING Mingliang1,2,#, SU Zhenxi2,#, ZOU Qian2, ZHU Zhenhua2, YUAN Pingrong2, CHEN Yumin2, LIU Weihua2, LU Shugang1, DAI Luyuan2,*
. Relationship Between Lodging Resistance and Either Agronomic Traits or Parents′ Lodging Resistance in Plateau japonica Rice[J]. Chinese Journal OF Rice Science, 2012
, 26(3)
: 325
-330
.
DOI: 10.3969/j.issn.10017216.2012.03.011
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