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通过2003～2004年两年的试验,初步进行了玉米自交系杂交当代母本籽粒百粒重变化的分析研究。结果表明,多数组合杂交当代的母本籽粒的百粒重高于自交。
Through two years of experiment from 2003 to 2004, preliminary analysis of 100-kernel weight variation of maize inbred lines was carried out. The results showed that the majority of combinations of hybrid contemporary maternal kernels have a higher 100-grain weight than selfed.