作　　者： ; ; ; (王元兴）; (董元海）; (刘为民）;

机构地区： 北京林业大学

出　　处： 《吉林林业科技》 2005年第6期19-22,共4页

摘　　要： 为增加红松无性系种子园母树雌雄花开花数量,对母树进行了树冠修剪和切根修剪试验。结果表明,适宜强度的树冠修剪和切根修剪,对增加红松母树雌雄花开花数量有显著作用。 In order to increase blooming quantity of seed trees in clonal seed orchard of Pinus koraiensis, a pruning experiment which put into position of the crown and was carried out. It revealed that no matter what happened in pruneing crown or root at proper intensity, the increased results were apparent in blooming quantity of female flower and nude flower on the seed trees.

关 键 词： 红松 无性系种子园 母树 树冠修剪 切根修剪 开花效应

领　　域： [农业科学] [农业科学]