不同栽培管理措施对云南古茶树树势恢复的研究

Study on Rejuvenation of Old Tea Trees' Growth Potency by Different Cultivation and Management Measures in Yunnan

云南省是中国古茶树分布最广、面积最大的省份,但由于对古茶园栽培管理不当,造成很多古茶树衰退。本研究采用科学的栽培管理技术对云南保塘古茶树的树冠、树幅、叶层厚度、新梢生长、鲜叶产量进行分析。结果表明,耕作-施肥-合理留叶采摘春、秋茶-留养夏梢的措施能明显使茶树生长势增强,产量提高。这对加强古茶树的保护及茶叶生产具有重要的意义。

Yunnan was the widest area of old tea garden in our country ,but many old tea trees in Yunnan decayed because of improper cultication and management on old tea garden. Crown and width of tree, thickness of leaf layer, growth of fresh twig and tea yield of old tea trees in Baotang,Yunnan were studied,uslng scientific technology of cultivation and management. The results showed that cultivating-fertilizingreasonably picking and leaving spring,antumn twig-keeping summer tw/g could obviously rejuvenate tea trees＇ growth potency and raise tea yield. It was useful to strengthen protection of old tea trees and its production.