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1991年12月28～29日长沙县发生特大冻害,集中成片的大桔园基本遭到毁灭。我园7546株温州蜜柑冻死5098株,占67.6％。现将笔者在冻后修剪及枝梢管理方面的实践经验及一些看法分述如下: 关于受冻树的修剪时期,一般认为以萌发后再剪为宜。笔者认为,对轻度冻害而言,这无疑是正确的;但对严重冻害,似应在早春温度适宜的条件下尽早进行。实践证明,重冻树冻害的发生发展一般需要2～3个月甚至4～5个月的时间,此间须经2～4次
December 1991 December 29 ~ 29 in Changsha County, a special freeze injury, concentrated into a large piece of Orange Park was basically destroyed. 7546 plants in our garden Wenzhou Satsuma 5098 strains, accounting for 67.6%. Now the author in the freezing after pruning and shoot management practices and some of the views are described below: On the pruning of frozen trees, it is generally considered to be appropriate after germination and then cut. The author believes that this is undoubtedly correct for mild frost damage; however, severe frost damage should seem to be carried out as early as possible under the appropriate temperature in early spring. Practice has proved that the occurrence of frozen tree frost damage occurs generally takes 2 to 3 months or even 4 to 5 months, during which 2 to 4 times