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分析比较了玉米授粉后相关的几个田间灌浆性状(鲜穗重、穗粗、穗轴重、百粒鲜重、百粒干重、籽粒含水量、籽粒深度、灌浆速度)之间的相关性。结果表明,在进行收获时推测籽粒含水量的多少,可以通过授粉天数的长短来进行推测;若授粉天数没有记载,还可以用穗粗的多少进行推断。灌浆速度与授粉后天数无显著关系,但与其它性状均为显著关系,说明在需要进行选择灌浆速度特性的品种时,应综合考虑各种性状,优先考虑相关系数比较大的几个性状,如正相关的百粒鲜重、穗粗、鲜穗重。
The correlations between grain filling traits (fresh ear weight, ear diameter, cob weight, fresh weight per 100 grains, dry weight per 100 grains, water content of grain, grain depth and filling speed) of maize after pollination were analyzed and compared . The results showed that, in the harvest when inferred grain moisture content can be estimated by the length of the pollination days; if pollination days are not documented, you can also use the rough estimate of how much. There was no significant relationship between grain filling rate and the number of days after pollination, but significant correlation with other traits, indicating that when selecting varieties with different selection of grain-filling speed, various traits should be considered synthetically, Positive correlation of 100 fresh weight, ear thick, fresh ear weight.