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当前位置: 首页 > 文章 > 修枝季节与强度对欧美杨107幼树生长的影响 福建林业科技 2014 (1) 60-64
Position: Home > Articles > Effects of Pruning Season and Intensity on the Sapling Growth of Populus × euramericana cv. Neva Journal of Fujian Forestry Science and Technology 2014 (1) 60-64

修枝季节与强度对欧美杨107幼树生长的影响

作  者：
刘长书;冯义彬;刘盛;吴丽响;张宝玲
单  位：
中国农业科学院郑州果树研究所;濮阳县水利局;濮阳县农业局;河南省濮阳市林业技术推广站
关键词：
欧美杨107;幼树;修枝;生长
摘  要：
以5年生欧美杨107为试验材料,研究不同季节、强度修枝对幼树生长的影响。结果表明:不同季节修枝对其生长影响差异显著,冬、春、夏季修枝的平均树高分别为16.2、16.5、15.1 m,比对照分别增长17.4%、19.6%、9.4%,胸径14.2、14.8、13.7 cm,比对照分别增长2.2%、6.5%、-1.4%;随修枝强度增加,高生长呈上升趋势,胸径生长呈下降趋势,但差异不显著;在各处理组合中春季萌芽前修除基部第1冠层(J2Q2)效果最好,其树高17.2 m,胸径15.2 cm,分别比对照增长24.6%、9.4%。但春季修枝易萌条,修枝后要及时抹芽除萌,降低消耗,提高修枝效果。
译  名：
Effects of Pruning Season and Intensity on the Sapling Growth of Populus × euramericana cv. Neva
作  者：
LIU Chang-shu;FENG Yi-bin;LIU Sheng;WU Li-xiang;ZHANG Bao-ling;Puyang Forestry Extension Station of Henan;Zhengzhou Fruit Research Institute,CAAS;Bureau of Water Conservation;Bureau of Agriculture;
关键词：
Populus × euramericana cv.Neva;;sapling;;pruning;;growth
摘  要：
Using 5-year-old Populus × euramericana cv. Neva as the experimental material,effects of different seasons and intensity pruning on the sapling growth were studied. The results showed that pruning had a significant effect on the growth of Populus × euramericana cv.‘Neva'in different seasons. The average tree heights were respectively 16. 2,16. 5 and 15. 1 m by pruning in winter, spring,and summer and increased 17. 4%,19. 6% and 9. 4% respectively than the control. DBH weve 14. 2,14. 8 and 13. 7 cm,increased 2. 2%,6. 5% and-1. 4% respectively than the control. With the increasing strength of pruning intensity,height growth showed an increasing tendency and DBH decreased. But the difference wasn't evident; Of all combination treatments,before spring budding,cutting the base No. 1 canopy(J2Q2) had the best effect,the tree height and DBH were 17. 2 m and 15. 2 cm,24. 6% and 9. 4% higher as compared with the control. But spring pruning was easy to bud,after pruning,buds should be removed in time to reduce nutrient loss and improve the effect of pruning.

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