【摘要】 研究了我国主要农家玉米品种的生育期、主茎叶数、株高、茎粗、穗位、穗长、穗粗、穗行数、行粒数、穗粒重、千粒重及出籽率12个数量性状的变异情况,并对其株型、穗型、穗轴颜色、子粒类型及子粒颜色5个质量性状变异进行了简要分析。我国农家玉米品种数量性状的变幅较大,特别是株高、穗粒重和穗位等性状。同时,农家品种也具有它们独特的优异性状,对于育种材料改良有着重要意义。更多还原

【Abstract】 In this paper,the variations of12quantitative characters(growth period,leaf amounts,plant height,stalk diameter,ear height,ear length,ear diameter,rows of grains,grains of row,kernel weight of ear,1000-kernel weight and grain rate)were studied in main local maize varieties of China.Mean while,the variations of5qualitative characters(plant type,ear type,cob color,grain type and grain color)were analyzed simply.The results were shown that the qualitative characters,especially,these distinctive,good characters of local varieties are important to the im-provement of breeding materials.更多还原