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近几年来,随着农村产业结构的调整,柑桔生产发展很快,已经成为长江流域广大地区经济发展项目中的拳头产品。这些地区,广大果农提出了柑桔树如何防寒避冻的问题我在柑桔园对柑桔树生长管理的试验中采取的技术措施是: 1、选用耐寒性强的品种和砧木。柑桔树的种类和品系不同,耐寒性差异很大。从五个品系耐寒性实验的结果看:温州蜜柑在-9℃才发生冻害,早熟品系如兴津、宫川,树势强健,产量
In recent years, with the adjustment of rural industrial structure, the rapid development of citrus production has become the fist product of the economic development in the vast areas of the Yangtze River Basin. In these areas, the majority of fruit growers proposed citrus trees how to prevent cold and cold problem in citrus fruit trees in my citrus tree growth management trials taken technical measures are: 1, selection of cold hardy varieties and rootstocks. Citrus trees of different types and strains, cold tolerance varies widely. According to the results of cold tolerance test of five strains, the occurrence of frost damage occurred in Satsuma mandarin at -9 ° C. Early maturing lines such as Xingxing and Gongchuan,