Arbuscular mycorrhizal fungi influence growth, osmotic adjustment and photosynthesis of citrus under well-watered and water stress conditions.
Identifieur interne : 003349 ( Main/Curation ); précédent : 003348; suivant : 003350Arbuscular mycorrhizal fungi influence growth, osmotic adjustment and photosynthesis of citrus under well-watered and water stress conditions.
Auteurs : Qiang-Sheng Wu [République populaire de Chine] ; Ren-Xue XiaSource :
- Journal of plant physiology [ 0176-1617 ] ; 2006.
Descripteurs français
- KwdFr :
- Calcium (métabolisme), Citrus (croissance et développement), Citrus (microbiologie), Citrus (physiologie), Eau (métabolisme), Feuilles de plante (anatomie et histologie), Feuilles de plante (physiologie), Magnésium (métabolisme), Mycorhizes (physiologie), Métabolisme glucidique (MeSH), Osmose (physiologie), Photosynthèse (physiologie), Potassium (métabolisme), Proline (métabolisme), Racines de plante (croissance et développement), Racines de plante (microbiologie), Racines de plante (physiologie), Température (MeSH), Transpiration des plantes (physiologie).
- MESH :
- anatomie et histologie : Feuilles de plante.
- croissance et développement : Citrus, Racines de plante.
- microbiologie : Citrus, Racines de plante.
- métabolisme : Calcium, Eau, Magnésium, Potassium, Proline.
- physiologie : Citrus, Feuilles de plante, Mycorhizes, Osmose, Photosynthèse, Racines de plante, Transpiration des plantes.
- Métabolisme glucidique, Température.
English descriptors
- KwdEn :
- Calcium (metabolism), Carbohydrate Metabolism (MeSH), Citrus (growth & development), Citrus (microbiology), Citrus (physiology), Magnesium (metabolism), Mycorrhizae (physiology), Osmosis (physiology), Photosynthesis (physiology), Plant Leaves (anatomy & histology), Plant Leaves (physiology), Plant Roots (growth & development), Plant Roots (microbiology), Plant Roots (physiology), Plant Transpiration (physiology), Potassium (metabolism), Proline (metabolism), Temperature (MeSH), Water (metabolism).
- MESH :
- chemical , metabolism : Calcium, Magnesium, Potassium, Proline, Water.
- anatomy & histology : Plant Leaves.
- growth & development : Citrus, Plant Roots.
- microbiology : Citrus, Plant Roots.
- physiology : Citrus, Mycorrhizae, Osmosis, Photosynthesis, Plant Leaves, Plant Roots, Plant Transpiration.
- Carbohydrate Metabolism, Temperature.
Abstract
The influence of arbuscular mycorrhizal (AM) fungus Glomus versiforme on plant growth, osmotic adjustment and photosynthesis of tangerine (Citrus tangerine) were studied in potted culture under well-watered and water stress conditions. Seven-day-old seedlings of tangerine were transferred to pots containing Glomus versiforme or non-AMF. After 97 days, half of the seedlings were subject to water stress and the rest were well-watered for 80 days. AM colonization significantly stimulated plant growth and biomass regardless of water status. The soluble sugar of leaves and roots, the soluble starch of leaves, the total non-structural carbohydrates (NSC) of leaves and roots, and the Mg(2+) of leaves were higher in AM seedlings than those in corresponding non-AM seedlings. The levels of K(+) and Ca(2+) in leaves and roots were higher in AM seedlings than those in non-AM seedlings, but differences were only significant under water stress conditions. Moreover, AM colonization increased the distributed proportions of soluble sugar and NSC to roots. However, the proline was lower in AM seedlings compared with that in non-AM seedlings. AM seedlings had higher leaf water potential (Psi), transpiration rates (E), photosynthetic rates (Pn), stomatal conductance (g(s)), relative water content (RWC), and lower leaf temperature (Lt) than corresponding non-AM seedlings. This research also suggested that AM colonization improved the osmotic adjustment originating not from proline but from NSC, K(+), Ca(2+) and Mg(2+), resulting in the enhancement of drought tolerance.
DOI: 10.1016/j.jplph.2005.04.024
PubMed: 16455355
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glucidique</term><term>Température</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The influence of arbuscular mycorrhizal (AM) fungus Glomus versiforme on plant growth, osmotic adjustment and photosynthesis of tangerine (Citrus tangerine) were studied in potted culture under well-watered and water stress conditions. Seven-day-old seedlings of tangerine were transferred to pots containing Glomus versiforme or non-AMF. After 97 days, half of the seedlings were subject to water stress and the rest were well-watered for 80 days. AM colonization significantly stimulated plant growth and biomass regardless of water status. The soluble sugar of leaves and roots, the soluble starch of leaves, the total non-structural carbohydrates (NSC) of leaves and roots, and the Mg(2+) of leaves were higher in AM seedlings than those in corresponding non-AM seedlings. The levels of K(+) and Ca(2+) in leaves and roots were higher in AM seedlings than those in non-AM seedlings, but differences were only significant under water stress conditions. Moreover, AM colonization increased the distributed proportions of soluble sugar and NSC to roots. However, the proline was lower in AM seedlings compared with that in non-AM seedlings. AM seedlings had higher leaf water potential (Psi), transpiration rates (E), photosynthetic rates (Pn), stomatal conductance (g(s)), relative water content (RWC), and lower leaf temperature (Lt) than corresponding non-AM seedlings. This research also suggested that AM colonization improved the osmotic adjustment originating not from proline but from NSC, K(+), Ca(2+) and Mg(2+), resulting in the enhancement of drought tolerance.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16455355</PMID><DateCompleted><Year>2006</Year><Month>04</Month><Day>24</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0176-1617</ISSN><JournalIssue CitedMedium="Print"><Volume>163</Volume><Issue>4</Issue><PubDate><Year>2006</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Journal of plant physiology</Title><ISOAbbreviation>J Plant Physiol</ISOAbbreviation></Journal><ArticleTitle>Arbuscular mycorrhizal fungi influence growth, osmotic adjustment and photosynthesis of citrus under well-watered and water stress conditions.</ArticleTitle><Pagination><MedlinePgn>417-25</MedlinePgn></Pagination><Abstract><AbstractText>The influence of arbuscular mycorrhizal (AM) fungus Glomus versiforme on plant growth, osmotic adjustment and photosynthesis of tangerine (Citrus tangerine) were studied in potted culture under well-watered and water stress conditions. Seven-day-old seedlings of tangerine were transferred to pots containing Glomus versiforme or non-AMF. After 97 days, half of the seedlings were subject to water stress and the rest were well-watered for 80 days. AM colonization significantly stimulated plant growth and biomass regardless of water status. The soluble sugar of leaves and roots, the soluble starch of leaves, the total non-structural carbohydrates (NSC) of leaves and roots, and the Mg(2+) of leaves were higher in AM seedlings than those in corresponding non-AM seedlings. The levels of K(+) and Ca(2+) in leaves and roots were higher in AM seedlings than those in non-AM seedlings, but differences were only significant under water stress conditions. Moreover, AM colonization increased the distributed proportions of soluble sugar and NSC to roots. However, the proline was lower in AM seedlings compared with that in non-AM seedlings. AM seedlings had higher leaf water potential (Psi), transpiration rates (E), photosynthetic rates (Pn), stomatal conductance (g(s)), relative water content (RWC), and lower leaf temperature (Lt) than corresponding non-AM seedlings. This research also suggested that AM colonization improved the osmotic adjustment originating not from proline but from NSC, K(+), Ca(2+) and Mg(2+), resulting in the enhancement of drought tolerance.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Qiang-Sheng</ForeName><Initials>QS</Initials><AffiliationInfo><Affiliation>College of Horticulture and Forestry, Huazhong Agricultural University, Wuhan 430070, PR China. wuqsh@webmail.hzau.edu.cn</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xia</LastName><ForeName>Ren-Xue</ForeName><Initials>RX</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2005</Year><Month>07</Month><Day>05</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>J Plant Physiol</MedlineTA><NlmUniqueID>9882059</NlmUniqueID><ISSNLinking>0176-1617</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>9DLQ4CIU6V</RegistryNumber><NameOfSubstance UI="D011392">Proline</NameOfSubstance></Chemical><Chemical><RegistryNumber>I38ZP9992A</RegistryNumber><NameOfSubstance UI="D008274">Magnesium</NameOfSubstance></Chemical><Chemical><RegistryNumber>RWP5GA015D</RegistryNumber><NameOfSubstance UI="D011188">Potassium</NameOfSubstance></Chemical><Chemical><RegistryNumber>SY7Q814VUP</RegistryNumber><NameOfSubstance UI="D002118">Calcium</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002118" 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