浙江红花油茶果实形态变异研究

Variation and Correlativity Analysis of Fruit Shape of Camellia chekiangoleosa

在浙江红花油茶主要分布区广泛设点采样,对其果实的形态变异及其性状之间的相关性进行了研究。结果表明:浙江红花油茶果实在产地间及产地内均存在着显著的差异,6个产地果实总体变异幅度最大的是果实质量(变异系数CV为42.07%),其次是果高(变异系数CV为15.79%)和果径(变异系数CV为14.77%),果实的高径比的变异幅度最小(变异系数CV为10.14%),产地内变异幅度较大的仍是果实质量,变异幅度较小的是高径比;不同产地果实果高与果径呈紧密线性相关,即随着果实果高的增大果径也随之增大,各个产地果实的果高和果径与果实质量均达到极显著线性相关关系,果实的高径比与单果质量则没有一致的相关关系。

By widey sampling in the main distribution area of Camellia chekiangoleosa and studying on variation of fruit shape and relevance amony characters, the following results were obtaied. There were significant differences in Camellia chekiangoleosa fruits among and within 6 producing areas. The collectivity of fruit variation coefficients of the fruit weight,the fruit height,the fruit diameter and the fruit height/diameter were 42.07%, 15.79%, 14.77% and 10.14% within the producing areas respectively. Within the producing area, the maximal and minimal variation coefficients were still the fruit weight and the fruit height/diameter. Significant linear correlation was found between the fruit height and diameter of Camellia chekiangoleosa within different producing areas. The fruit height, the fruit diameter were all significantly correlated with the single fruit weight within every producing area. But the fruit height/diameter was not accordantly correlated with the single fruit weight within different nroducing areas.