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Relationship between rate of laticifer differentiation, number of laticifer rows and rubber yield among 1981 IRRDB germplasm collections of Hevea brasiliensis

文献类型： 外文期刊

作者： Yu, Jun-Hong 1 ; Zeng, Xia 1 ; Yang, Shu-Guang 1 ; Huang, Hua-Sun 1 ; Tian, Wei-Min 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Rubber Res Inst, Key Lab Trop Crops Cultivat & Physiol, Danzhou 571737, Hainan, Peoples R China

关键词： conventional breeding;early selection;Hevea brasiliensis Muell.Arg.;laticifer differentiation;mechanical wounding;1981 IRRDB germplasm collections

期刊名称：JOURNAL OF RUBBER RESEARCH （ 影响因子：0.667； 五年影响因子：0.618 ）

ISSN： 1511-1768

年卷期： 2008 年 11 卷 1 期

页码：

收录情况： SCI

摘要： Early selection based on parameters related to yield is important in the Hevea breeding program. In an attempt to characterise such parameters, we investigated the variation in TNLD (time needed for laticifer differentiation) of the 1981 IRRDB germplasm collections by means of an experimental system for the induction of secondary laticifer differentiation in relation to RLCL (ratio of laticifer rows to the cell layers of the functional phloem) and rubber yield of the corresponding mature germplasm collections. The results demonstrated that TNLD varied among the 63 germplasm collections examined and was correlated to RLCL (r=0.5795, highly significant) and rubber yield (r=0.4558, significant level) of the mature plants. TNLD is expected to be a parameter candidate for early selection, which is better than the leaflet latex method in that it is related to the secondary laticifer differentiation and also better than test-tapping yield method in that early selection can be carried out with one-year-old epicormic shoot in the nursery. Large scale experiment is necessary to confirm this conclusion.

  • 相关文献

[1]Localized Effects of Mechanical Wounding and Exogenous Jasmonic Acid on the Induction of Secondary Laticifer Differentiation in Relation to the Distribution of Jasmonic Acid in Hevea brasiliensis. Tian, WM,Shi, MJ,Yu, FY,Wu, JL,Hao, BZ,Cui, KM.

[2]Molecular characterization of HbEREBP2, a jasmonate-responsive transcription factor from Hevea brasiliensis Muell. Arg.. Chen, Yue-Yi,Wang, Li-Feng,Yang, Shu-Guang,Tian, Wei-Min,Chen, Yue-Yi. 2011

[3]Cross Talk between Cytokinin and Jasmonates in Regulating the Secondary Laticifer Differentiation in Rubber Tree (Hevea brasiliensis Muell. Arg.). Zhang, S. X.,Tian, W. M.,Zhang, S. X..

[4]Laticifer differentiation in Hevea brasiliensis: Induction by exogenous jasmonic acid and linolenic acid. Hao, BZ,Wu, JL. 2000

[5]Age-dependent and jasmonic acid-induced laticifer-cell differentiation in anther callus cultures of rubber tree. Tan, Deguan,Sun, Xuepiao,Zhang, Jiaming. 2014

[6]Mechanical wounding-induced laticifer differentiation in rubber tree: An indicative role of dehydration, hydrogen peroxide, and jasmonates. Tian, Wei-Min,Yang, Shu-Guang,Shi, Min-Jing,Zhang, Shi-Xin,Wu, Ji-Lin.

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