开化县林科所杉木种子园中早期高产原因分析  

Analysis on Reason Why Seed Orchard of Cunninghamia lanceolata of Kaihua Forestry Institute Could High Yield in Early Period

作　　者：郑卫华 徐土根 

机构地区：[1]浙江省开化县林场星口分场,开化324301 [2]开化县林科所

出　　处：《浙江林业科技》2000年第2期55-57,共3页Journal of Zhejiang Forestry Science and Technology

摘　　要：杉木初级种子园或是种源种于国经过单株选优，增加早实高产无性系配置，提高正冠率，加大早期密 度，做好人工辅助授粉是取得中早期高产的重要技术。Selecting fine individual plants, increasing early-bearing and high-yield clones, enhancing straight crown rate,increasing density in early period and artificially pollinating were important techniques to make seed orchard of Cunninghamia lanceolata high yield..

关 键 词：杉木 种子园 早期高产 人工辅助授粉 密度 

分 类 号：S791.27[农业科学—林木遗传育种]