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Evaluation and Exploration of Citrus Germplasm Resources in the Origin of Shatangju(Citrus flamea *** Tseng Shiyueju)

Asian Agricultural Research 2023年第10期15卷 28-33页

作者： Yanjun GUO Qianhua JI Liying GUO Guochan HUANG Bingwa FANG Liujian HUANG Hui JIANG Fengmei YANG Yaping HU Life Sciences College/Fruit Tree Research Institute of zhaoqing University Zhaoqing 526061China Sihui Science and Technology Demonstration Park Zhaoqing 526061China

[Objectives]To protect the local rare citrus germplasm resources and further develop and cultivate new citrus varieties.[Methods]The germplasm resources of Shatangju(Citrus flamea *** Tseng Shiyueju)in Sihui city of Guangdong Province and other 8 citrus varieties from the same origin were *** appearance characteristics of tree shape,the length and thickness of shoot at each shoot stage,the appearance characteristics of leaves and the fruit quality of each variety were investigated.[Results]Through the comparison of various citrus varieties grafted with sour mandarin,the results showed that the overall advantages of the length and thickness of the shoots of Shatang tangerine in summer and autumn were more prominent,which was conducive to fruit *** sprouting time of the three shoots of each variety was different,and there were sporadic sprouting phenomena in different seasons,so the growth was different,and the length and thickness of the shoots were different in different *** were significant differences in shoot length and diameter among different varieties in the same *** coefficient of variation of Shatangju's leaves was low,and the traits were stable;leaf shape,leaf base shape,leaf margin and other indicators among the three shoots of the same variety and the differences among the same shoots of different varieties were *** varieties had strong flavor,separately sweet and sour,sweet and sweet *** has many segments,orange pericarp,rough texture,easy peeling,and high oblate fruit *** orange pericarp was favored by the participants,while the rough and thick peel was not favored by the participants.[Conclusions]Based on the improvement of local varieties,it is recommended to improve the smoothness of pericarp,reducing the thickness of pericarp and improving the flavor of fruit will be conducive to increasing *** the cultivation process of various quality resources,especially in the period of fruit

关键词： Shatangju(Citrus flamea Hort.ex Tseng Shiyueju) Germplasm resources Evaluation zhaoqing city

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肇庆市珍贵树种发展现状与思考

肇庆市珍贵树种发展现状与思考

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作者： Forestry Bureau of zhaoqing city,Guangdong Province,China 广东省肇庆市林业局

本文介绍了肇庆市发展珍贵树种的做法和现状,分析了制约珍贵树种发展的主要问题,提出了加快发展肇庆珍贵树种的对策,即合理规划、改革和完善林木流转机制、政策扶持和加强科研及技术推广。

关键词： forestry industry fine and valuable hardwood tree species sustainable development zhaoqing city

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