水稻品种生态适应性的综合评价

Comprehensive evalution of ecological adaptability of rice varieties.

应用灰色关联度分析法对江苏省水稻试区5个供试水稻品种的12个性状进行生态适应性综合评价分析。结果表明,灰色关联度分析法行之有效,并具有实践意义,其评价结果与品种表现一致。其中“9优138”品种关联度最大,综合性状最优,生态适应性最广且高产、稳产,应大面积推广。

The ecological adaptability of twelve characteristics of five rice varieties of regional experiment in Jiangsu Province is evalucated by means of the relational analysis of grey system theory comprehensively. The results show that the relational analysis method of grey system theory is very effective. The results also show no difference with expression of the rice vari-eties. The relational grade of grey system of “9 you 138” is the most obvious ,and it has good comprehensive characteristics,wide eccological adaptability,high and stable yield.