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dc.contributor.authorLin, YM
dc.contributor.author林益明
dc.contributor.authorPeng, ZQ
dc.contributor.authorLin, P
dc.contributor.author林鹏
dc.date.accessioned2011-10-11T13:33:46Z
dc.date.available2011-10-11T13:33:46Z
dc.date.issued2004
dc.identifier.citationACTA BOTANICA SINICA,vol46,issue11,pp1316-1323zh_CN
dc.identifier.issn1672-6650
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/10906
dc.description.abstractDynamics of leaf mass (LM), leaf area (LA) and element retranslocation efficiency during leaf senescence was investigated in Phyllostachys pubescens Mazel ex H. de Lehaie in Yongchun, Fujian, China. Comparison of differences in element retranslocation efficiencies (RE) based on per gram leaf dry weight, per leaf and per LA during leaf senescence was carried out. With leaf senescence, the mean decreases of LM, LA and specific leaf mass (SLM) were 19.55%, 15.16% and 5.07%, respectively. The seasonal changes in decrease percentage of LM and LA were similar, indicating that certain mass to area ratios occurred in P. pubescens leaves. On different bases, RE of N and K was positive, while RE of Ca was negative, suggesting that with leaf senescence, N and K were translocated out of senescing leaves to other parts of plant, while Ca accumulated in senescing leaves. For the mean RE of N, P, K, Ca and Mg on different bases, the rank order was RE2 (mg element/leaf)>RE3 (mg element/ cm(2) leaf) > RE1 (mg element/g), therefore, RE on the basis of leaf weight or LA would be underestimated.zh_CN
dc.language.isoenzh_CN
dc.publisherSCIENCE CHINA PRESSzh_CN
dc.subjectPhyllostachys pubescenszh_CN
dc.subjectleaf mass (LM)zh_CN
dc.subjectleaf area (LA)zh_CN
dc.subjectelement retranslocation efficiencyzh_CN
dc.subjectleaf senescencezh_CN
dc.titleDynamics of leaf mass, leaf area and element retranslocation efficiency during leaf senescence in Phyllostachys pubescenszh_CN
dc.typeArticlezh_CN


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