Abstract：
:Citrus trees are subject to several abiotic constraints such as salinity. Providing new rootstocks more tolerant is thus a requirement. In this article, we investigated salt stress tolerance of three tetraploid rootstock genotypes when compared to their respective diploid rootstocks (Poncirus trifoliata, Carrizo citrange, Cleopatra mandarin). Plant growth, leaf fall and ion contents were investigated. At the end of the experiment, leaf fall was observed only for diploid Poncirus trifoliata plants as well as chlorosis symptoms for Poncirus trifoliata and Carrizo citrange diploid plants. The diploid Cleopatra mandarin plants growth rate was not affected by salt stress and has even been increased for tetraploid Cleopatra mandarin. Ion contents investigation has shown lower accumulations of chloride ions in leaves of the tetraploid plants when compared to diploid plants. Our results suggest that citrus tetraploid rootstocks are more tolerant to salt stress than their corresponding diploid.
journal_name
C R Bioljournal_title
Comptes rendus biologiesauthors
Saleh B,Allario T,Dambier D,Ollitrault P,Morillon Rdoi
10.1016/j.crvi.2008.06.007subject
Has Abstractpub_date
2008-09-01 00:00:00pages
703-10issue
9eissn
1631-0691issn
1768-3238pii
S1631-0691(08)00161-3journal_volume
331pub_type
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journal_title：Comptes rendus biologies
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journal_title：Comptes rendus biologies
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journal_title：Comptes rendus biologies
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