文献类型： 中文期刊
作者： 黄永菊;赵合句;李培武
作者机构：
关键词： 杂交油菜，杂种优势，生理特性
期刊名称：湖北农业科学
ISSN： 04398114
年卷期： 1994 年 06 期
页码：
收录情况： 北大核心
摘要： 分别于苗期、越冬期、苔期、花期取样对杂交油菜的生理特性进行考察，结果杂交油菜干物质生长率冬前显著高于常规品种，而春后则低于常规品种；杂交油菜与其父母本相比也是冬前生长率高，春后生长率低。叶面积生长、光合作用强度、硝酸还原酶活力、内源激素含量等生理指标的测定结果也表明，杂交油菜苗期生长优势强，春后生长优势减弱。杂交油菜产量优势最为明显，种子含油量也有一定的杂种优势。本试验还对抗坏血酸含量与油菜的抗性和长势的关系进行了初步探讨。
分类号： S565.401
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