Grafting is a pathway to transform old tea gardens,which shows the characteristics of fast growing and early harvest.The achievements of grafting using cultivar'Yunnan Dayezhong'as rootstocks in the past 15 years were summarized in the present paper.The results showed that grafting effect was related to grafting mode,scion,rootstock and the post grafting management measures.The four new grafting methods obtained by our research team could be efficiently applied to cultivar 'Yunnan Dayezhong'.'Yunnan Dayezhong'was confirmed to be suitable for rootstock to grafting Yunnan wild tea resources.Cultivar'Fuyun 6'(a medium-sized leaf cultivar)could also be used as rootstock for grafting wild tea plants.Post grafting shading with 20％ -25％ light transmittance could improve the survival rate.The four kinds of new grafting methods can be applied to preserve tea resources and rejuvenate the senility tea cultivars.
维普
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