环剥即环状剥皮，即把树干剥去一圈皮后，树干上的养分就不会在秋冬时节回流到树根来。
n. girdling
misc. band girdle
环剥能提高插条存活率，而不能促进生根。
Girding can improve the cuttings survival rate effectively, but no use to rooting rate.
用环剥树皮等方法可以诱导多倍体无性系提早开花。
Girdling and other treatments can induce polypoid plants to flower earlier.
连续环剥或过量应用PP 333加重轮纹病的发生。
Continuous circular peeling and surplus application of PP333 aggravated the disease.
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