12个玉米杂交种的灰色局势决策分析

应用灰色局势决策分析方法,对河南省当前大面积推广或即将推广的4种类型12个玉米杂交种进行了综合评估,明确了单交种、改良单交种、三交种及双交种中的优良杂交种。找出了各个杂交种的适应范围;地点生态效应对产量发挥的潜力排序;同一地点对不同杂交种产量充分发挥的最佳排序;同一杂交种在不同地点环境中,最有利于产量潜力发挥的地点排序。

THE GREY STITUATED DECISION ANALYSIS OF TWELVE CORN HYBRIDS

BY using methemetical method of grey situated decision analysis in the grey system theo- ry, twelve corn hybrids which have been or are going to be spreaded in a large area in Henan Province are multifactorially evaluated. The best hybrids among the four types--single cross, modified single cross, three way cross and double cross, Adaptable range of each hy- brid in five regions; The order of potentiality of regonal bionomical effect on productivity; The best sort of the same area on different hybrids productivity; The best re- gional sort of the same hybrid in different environmnt on the best productivity are defined.