不同地区文冠果群体种子含油率·产量变异规律

[目的]比较分析不同分布区文冠果群体的种子含油率和产量变异规律。[方法]以文冠果主要分布区的6个群体为试材，采用核磁共振技术测定种子、种仁、种皮的含油率，分析群体间和群体内种子含油率和产量的变异情况。[结果]4个性状在6个群体间差异显著，群体内单株间无显著差异。含油率和产量的群体间变异都大于群体内变异。种子和种仁含油率平均值最高的是蔚县群体（36．72％、67．20％），种皮舍油率平均值最高的是承德群体（12．50％），产量最高的是陕县群体（1166g）。文冠果含油率和产量与地理气候因子相关性不明显。聚类分析将6个群体划分为低产高含油率、中产中含油率、高产低合油率3类，可根据育种需要进行群体选择。[结论]文冠果的遗传改良应着重于群体。

Variation Law of Seed Oil Content and Yield of Xanthoceras sorbifolia Populations in Different Areas

[Objective] The study aimed to compare and analyze the variation law of seed oil content and yield of Xanthoceras sorbifolia Bunge.in different distribution areas.[Method] With 6 populations of X.sorbifolia in main distribution areas as tested materials,the oil contents in seed,seed kernel and seed coat were measured by the nuclear magnetic resonance technology and the variation condition of seed oil content and yield between the population and within the population were analyzed.[Result] 4 traits were all ...