MycorrhizaeV1, Main, Corpus, bibRecord, 002849

Influence of arbuscular mycorrhizae on the root system of maize plants under salt stress.

Identifieur interne : 002849 ( Main/Corpus ); précédent : 002848; suivant : 002850

Influence of arbuscular mycorrhizae on the root system of maize plants under salt stress.

Auteurs : Min Sheng ; Ming Tang ; Hui Chen ; Baowei Yang ; Fengfeng Zhang ; Yanhui Huang

Source :

Canadian journal of microbiology [ 1480-3275 ] ; 2009.

RBID : pubmed:19767861

English descriptors

KwdEn :
- Biomass (MeSH), Glomeromycota (growth & development), Mycorrhizae (growth & development), Plant Roots (growth & development), Plant Roots (metabolism), Plant Roots (microbiology), Sodium Chloride (metabolism), Zea mays (growth & development), Zea mays (metabolism), Zea mays (microbiology).
MESH :
- chemical , metabolism : Sodium Chloride.
- growth & development : Glomeromycota, Mycorrhizae, Plant Roots, Zea mays.
- metabolism : Plant Roots, Zea mays.
- microbiology : Plant Roots, Zea mays.
- Biomass.

Abstract

Salt stress has become a severe global problem, and salinity is one of the most important abiotic factors limiting plant growth and yield. It is known that arbuscular mycorrhizal (AM) fungi decrease plant yield losses under salinity. With the aim of determining whether AM inoculation would give an advantage to root development under salt stress, a greenhouse experiment was carried out with AM or without AM fungi. Maize plants were grown in a sand and soil mixture with 5 NaCl levels (0, 0.5, 1.0, 1.5, and 2.0 g/kg dry substrate) for 55 days, following 15 days of nonsaline pretreatment. At all salt levels, mycorrhizal plants had higher dry shoot and root mass, higher root activity, and lower root to shoot ratios than non-mycorrhizal plants. In salt-free soil, root length, root surface area, root volume, and number of root tips and forks were significantly larger in mycorrhizal plants than in non-mycorrhizal plants, whereas, under salt stress, average root diameter and root volume of mycorrhizal plants were larger than those of non-mycorrhizal plants. Regardless of the NaCl level, mycorrhizal plants had lower specific root length, lower percentage of root length in the 0-0.2 mm diameter class, and higher percentage of root length in both the 0.2-0.4 mm and 0.4-0.6 mm diameter classes, which suggests that the root system shows a significant shift towards a thicker root system when maize plants were inoculated with Glomus mosseae (Nicolson & Gerdemann). The results presented here indicate that the improvements in root activity and the coarse root system of mycorrhizal maize may help in alleviating salt stress on the plant.

DOI: 10.1139/w09-031
PubMed: 19767861

Links to Exploration step

pubmed:19767861

Le document en format XML

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<author><name sortKey="Sheng, Min" sort="Sheng, Min" uniqKey="Sheng M" first="Min" last="Sheng">Min Sheng</name>
<affiliation><nlm:affiliation>College of Life Science, Northwest A&F University, Yangling, Shaanxi 712100, China.</nlm:affiliation>
</affiliation>
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<author><name sortKey="Tang, Ming" sort="Tang, Ming" uniqKey="Tang M" first="Ming" last="Tang">Ming Tang</name>
</author>
<author><name sortKey="Chen, Hui" sort="Chen, Hui" uniqKey="Chen H" first="Hui" last="Chen">Hui Chen</name>
</author>
<author><name sortKey="Yang, Baowei" sort="Yang, Baowei" uniqKey="Yang B" first="Baowei" last="Yang">Baowei Yang</name>
</author>
<author><name sortKey="Zhang, Fengfeng" sort="Zhang, Fengfeng" uniqKey="Zhang F" first="Fengfeng" last="Zhang">Fengfeng Zhang</name>
</author>
<author><name sortKey="Huang, Yanhui" sort="Huang, Yanhui" uniqKey="Huang Y" first="Yanhui" last="Huang">Yanhui Huang</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Influence of arbuscular mycorrhizae on the root system of maize plants under salt stress.</title>
<author><name sortKey="Sheng, Min" sort="Sheng, Min" uniqKey="Sheng M" first="Min" last="Sheng">Min Sheng</name>
<affiliation><nlm:affiliation>College of Life Science, Northwest A&F University, Yangling, Shaanxi 712100, China.</nlm:affiliation>
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<author><name sortKey="Tang, Ming" sort="Tang, Ming" uniqKey="Tang M" first="Ming" last="Tang">Ming Tang</name>
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<author><name sortKey="Chen, Hui" sort="Chen, Hui" uniqKey="Chen H" first="Hui" last="Chen">Hui Chen</name>
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<author><name sortKey="Yang, Baowei" sort="Yang, Baowei" uniqKey="Yang B" first="Baowei" last="Yang">Baowei Yang</name>
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<author><name sortKey="Zhang, Fengfeng" sort="Zhang, Fengfeng" uniqKey="Zhang F" first="Fengfeng" last="Zhang">Fengfeng Zhang</name>
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<author><name sortKey="Huang, Yanhui" sort="Huang, Yanhui" uniqKey="Huang Y" first="Yanhui" last="Huang">Yanhui Huang</name>
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<series><title level="j">Canadian journal of microbiology</title>
<idno type="eISSN">1480-3275</idno>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term>
<term>Glomeromycota (growth & development)</term>
<term>Mycorrhizae (growth & development)</term>
<term>Plant Roots (growth & development)</term>
<term>Plant Roots (metabolism)</term>
<term>Plant Roots (microbiology)</term>
<term>Sodium Chloride (metabolism)</term>
<term>Zea mays (growth & development)</term>
<term>Zea mays (metabolism)</term>
<term>Zea mays (microbiology)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Sodium Chloride</term>
</keywords>
<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Glomeromycota</term>
<term>Mycorrhizae</term>
<term>Plant Roots</term>
<term>Zea mays</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Roots</term>
<term>Zea mays</term>
</keywords>
<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term>
<term>Zea mays</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biomass</term>
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<front><div type="abstract" xml:lang="en">Salt stress has become a severe global problem, and salinity is one of the most important abiotic factors limiting plant growth and yield. It is known that arbuscular mycorrhizal (AM) fungi decrease plant yield losses under salinity. With the aim of determining whether AM inoculation would give an advantage to root development under salt stress, a greenhouse experiment was carried out with AM or without AM fungi. Maize plants were grown in a sand and soil mixture with 5 NaCl levels (0, 0.5, 1.0, 1.5, and 2.0 g/kg dry substrate) for 55 days, following 15 days of nonsaline pretreatment. At all salt levels, mycorrhizal plants had higher dry shoot and root mass, higher root activity, and lower root to shoot ratios than non-mycorrhizal plants. In salt-free soil, root length, root surface area, root volume, and number of root tips and forks were significantly larger in mycorrhizal plants than in non-mycorrhizal plants, whereas, under salt stress, average root diameter and root volume of mycorrhizal plants were larger than those of non-mycorrhizal plants. Regardless of the NaCl level, mycorrhizal plants had lower specific root length, lower percentage of root length in the 0-0.2 mm diameter class, and higher percentage of root length in both the 0.2-0.4 mm and 0.4-0.6 mm diameter classes, which suggests that the root system shows a significant shift towards a thicker root system when maize plants were inoculated with Glomus mosseae (Nicolson & Gerdemann). The results presented here indicate that the improvements in root activity and the coarse root system of mycorrhizal maize may help in alleviating salt stress on the plant.</div>
</front>
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<Month>11</Month>
<Day>09</Day>
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<DateRevised><Year>2015</Year>
<Month>11</Month>
<Day>19</Day>
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<Issue>7</Issue>
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<Month>Jul</Month>
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<Title>Canadian journal of microbiology</Title>
<ISOAbbreviation>Can J Microbiol</ISOAbbreviation>
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<ArticleTitle>Influence of arbuscular mycorrhizae on the root system of maize plants under salt stress.</ArticleTitle>
<Pagination><MedlinePgn>879-86</MedlinePgn>
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<Abstract><AbstractText>Salt stress has become a severe global problem, and salinity is one of the most important abiotic factors limiting plant growth and yield. It is known that arbuscular mycorrhizal (AM) fungi decrease plant yield losses under salinity. With the aim of determining whether AM inoculation would give an advantage to root development under salt stress, a greenhouse experiment was carried out with AM or without AM fungi. Maize plants were grown in a sand and soil mixture with 5 NaCl levels (0, 0.5, 1.0, 1.5, and 2.0 g/kg dry substrate) for 55 days, following 15 days of nonsaline pretreatment. At all salt levels, mycorrhizal plants had higher dry shoot and root mass, higher root activity, and lower root to shoot ratios than non-mycorrhizal plants. In salt-free soil, root length, root surface area, root volume, and number of root tips and forks were significantly larger in mycorrhizal plants than in non-mycorrhizal plants, whereas, under salt stress, average root diameter and root volume of mycorrhizal plants were larger than those of non-mycorrhizal plants. Regardless of the NaCl level, mycorrhizal plants had lower specific root length, lower percentage of root length in the 0-0.2 mm diameter class, and higher percentage of root length in both the 0.2-0.4 mm and 0.4-0.6 mm diameter classes, which suggests that the root system shows a significant shift towards a thicker root system when maize plants were inoculated with Glomus mosseae (Nicolson & Gerdemann). The results presented here indicate that the improvements in root activity and the coarse root system of mycorrhizal maize may help in alleviating salt stress on the plant.</AbstractText>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName>
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<MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName>
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<MeshHeading><DescriptorName UI="D003313" MajorTopicYN="N">Zea mays</DescriptorName>
<QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName>
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Influence of arbuscular mycorrhizae on the root system of maize plants under salt stress.

Influence of arbuscular mycorrhizae on the root system of maize plants under salt stress.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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