Fe-efficient Traits and Their Relationships to Chlorisis Index in Genus Malus

ACTA HORTICULTURAE SINICA ›› 2004, Vol. 31 ›› Issue (3): 350-352.

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Fe-efficient Traits and Their Relationships to Chlorisis Index in Genus Malus

Li Yinghui; Han Zhenhai^*; Xu Xuefeng

(College of Agronomy and Biotechnology，China Agricultural University，Bering 100094，China)

Received:2003-07-29 Revised:2003-11-25 Online:2004-06-25 Published:2004-06-25

Abstract

Abstract: Relationship between a part of correlative traits and chlorisis index under Fe-eficiency stress were studied with Fe-efficient Malus xiaojinensis，M．baccata and an interspecific F₁ hybrids of xiaojinensis×baccata．The results showed that the correlation coemcients(r)among the chlorophyll concentrations,number of roots，pH value as percentage of control with chlorisis index were -0.8218， -0.8775,-0.2924 respectively．These indicates that the higher the chlorisis index of lines in the hybrids，thus，the more obviously the chlorophyll concentrations decreased，the less the no. of roots increased，the higher the pH value decreased．

Key words: _Apple, Iron, Fe-efficiency, Fe-deficiency stress, Chlorisis index

CLC Number:

s661.1

Li Yinghui;Han Zhenhai;Xu Xuefeng. Fe-efficient Traits and Their Relationships to Chlorisis Index in Genus Malus[J]. ACTA HORTICULTURAE SINICA, 2004, 31(3): 350-352.

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Fe-efficient Traits and Their Relationships to Chlorisis Index in Genus Malus

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