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研究油洞花的形态、花序大小、结构、开花习性,对于划分油桐品种(类型),选育良种,有着重要的意义。为此。我们从一九八二年春至一九八四年,连续三年进行了油桐花期定株调查,现将调查情况整理如下: 一、调查方法 (一)在油桐分布较多的河谷地带和中部丘陵地带,根据不同生境,选有代表性的地方分设调查点. (二)在调查点上,按初步划分的品种,选择不同树龄具有代表性的植株,进行定株调查. (三)在调查植株树冠的东、西、南、北四面,各随机抽取上、中、下或上、下枝条上
Studying the shape, inflorescence size, structure and flowering habits of the oil cave is of great significance for the classification of varieties and types of tung oilseeds. to this end. From the spring of 1982 to 1984, we conducted a survey of the tung tree of flowering tung in three consecutive years. The investigation is summarized as follows: I. Methods of investigation (1) In the valleys with more distribution of tung oil trees and According to different habitats, select the representative areas to be divided into survey points. (2) At the investigation points, select the plants of different ages to conduct plant-based surveys according to the varieties initially classified. Investigate the plant canopy east, west, south and north sides, each randomly selected on the middle, lower or upper and lower branches