修剪促进红松无性系种子园母树开花效应研究  

Pruning effects on blooming quantity of seed trees in clonal seed orchard of Pinus koraiensis

作　　者：孙文生[1] 陈晓阳[1] 高琼[1] 王元兴 董元海 刘为民 

机构地区：[1]北京林业大学,北京100083 [2]吉林省露水河林业局,吉林白山134506 [3]吉林省湾沟林业局,吉林白山134704

出　　处：《吉林林业科技》2005年第6期19-22,共4页Journal of Jilin Forestry Science and Technology

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 

分 类 号：S791.247.04[农业科学—林木遗传育种]