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Relationship between the number of tapping-induced secondary laticifer lines and rubber yield among Hevea germplasm 被引量:10
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作者 Yueyi CHEN Xinsheng GAO +1 位作者 Xiaofei ZHANG Weimin TIAN 《Frontiers of Agricultural Science and Engineering》 2016年第4期363-367,共5页
The lack of suitable early selection parameters means that traditional rubber breeding for yield is time consuming and inefficient. Laticifer is a tissue specific fo natural rubber biosynthesis and storage in rubber t... The lack of suitable early selection parameters means that traditional rubber breeding for yield is time consuming and inefficient. Laticifer is a tissue specific fo natural rubber biosynthesis and storage in rubber tree. The number of the secondary laticifers in the trunk bark tissues is positively correlated with rubber yield in the matured rubber trees that are regularly tapped. In the present study the rubber yield from 280 of 4–5 year-old virgin trees from7 cross combinations was compared with the number o newly differentiated secondary laticifers caused by tapping. Results showed that the number of tapping induced lines of secondary laticifers varied in differen germplasm and was positively related to the rubber yield indicating this could be used as a suitable parameter fo early evaluation of yield potential of rubber trees. 展开更多
关键词 Hevea brasiliensis rubber yield breeding early evaluation TAPPING secondary laticifer differentiation
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