摘要
为增加油松无性系种子园母树雌雄球花数量,对母树进行了截顶和修剪试验。结果表明,适宜的截顶和修剪,对增加油松母树雌雄花数量有显著作用。
In order to increase blossom quantity of seed trees in clonal seed orchard of Pinus tabulaeformis,a pruning experiment was carried out by crown cutting and pruning.The result showed that crown cutting and pruning could increase the blossom quantity of male and female flowers of seed trees.
出处
《陕西林业科技》
2010年第3期12-14,共3页
Shaanxi Forest Science and Technology
基金
国家林业局重点项目(2003-023-L23)
西北农林科技大学唐仲英育种基金专项项目(2009-78)
关键词
油松
截顶
开花效应
Pinus tabulaeformis
crown cutting
flowering effect
