果树应用环割的措施以促进开花结实。我国早已有之但有关应用本项措施的效果,近年来国际上颇有争论。本文作者为美国加州大学植物生理学教授兼里佛赛德柑桔研究中心副所长,对此问题综合了国际上的一些研究结果,并加以评述。原文发表于《The Citrus Industry》第三卷第七章柑桔的修剪与环割中有关环割的部分。现特译出以供国内从事柑桔研究与生产的同志参考。 Fruit trees apply ring mowing measures to promote flowering and fruiting. The effect which our country already had but which applied this measure has been quite controversial in the international arena in recent years. The author is a professor of plant physiology at the University of California, San Francisco, and deputy director of the Riverside Citrus Research Center. This issue combines some of the international findings and reviews them. The original text was published in The Citrus Industry, Volume III, Chapter VII of the citrus pruning and ring cutting about the ring cutting part. Now special translation for domestic citrus research and production of comrades reference.