摘要
分析了影响大豆杂交成功率高低的因素。结果表明：杂交亲合性、杂交时间、杂交花节位及大气湿度等因素对杂交成功率影响较大，而亲本间生育期差异及花期差异与杂交成功率相关不显著。因此，可通过调节杂交时间，选择适宜的杂交花节位，改善田间小气候等途径来提高大豆杂交成功率。
Thefactorsaffectingpodsettingratio(PSR)ofsoybeancrossingwereanalyzed.Theresultshowedthatthecrossingcompatibility,crossingtime,thenodpositionofcrossingflowersaffectedthePSRgreatly.ButPSRwasnotsignificantcorrelationwithdurationvariabilityandfloweringvariabilitybetweenhybridizationparents.Therefore,thePSRcanberaisedbymeansofcontrollingcrossingtime,selectingsuitablecrossingnodflowersandimprovingfieldclimate,etc.
关键词
大豆
杂交成功率
气象因素
亲合性
soybean,podsettingratio,climaticfactor,crossingcompatibility
