Effect of physical, chemical and environmental characteristics on arbuscular mycorrhizal fungi in Brachiaria decumbens (Stapf) pastures.
Identifieur interne : 002E42 ( Main/Curation ); précédent : 002E41; suivant : 002E43Effect of physical, chemical and environmental characteristics on arbuscular mycorrhizal fungi in Brachiaria decumbens (Stapf) pastures.
Auteurs : R H Posada [Colombie] ; L A Franco ; C. Ramos ; L S Plazas ; J C Suárez ; F. AlvarezSource :
- Journal of applied microbiology [ 1365-2672 ] ; 2008.
Descripteurs français
- KwdFr :
- Altitude (MeSH), Brachiaria (microbiologie), Champignons (physiologie), Colombie (MeSH), Conservation des ressources naturelles (MeSH), Géographie (MeSH), Hyphae (MeSH), Microbiologie de l'environnement (MeSH), Microbiologie du sol (MeSH), Mycorhizes (physiologie), Pluie (MeSH), Saisons (MeSH), Spores fongiques (MeSH).
- MESH :
- microbiologie : Brachiaria.
- physiologie : Champignons, Mycorhizes.
- Altitude, Colombie, Conservation des ressources naturelles, Géographie, Hyphae, Microbiologie de l'environnement, Microbiologie du sol, Pluie, Saisons, Spores fongiques.
- Wicri :
- geographic : Colombie.
English descriptors
- KwdEn :
- MESH :
- geographic : Colombia.
- microbiology : Brachiaria.
- physiology : Fungi, Mycorrhizae.
- Altitude, Conservation of Natural Resources, Environmental Microbiology, Geography, Hyphae, Rain, Seasons, Soil Microbiology, Spores, Fungal.
Abstract
AIM
To evaluate the effects of soil physical and chemical factors (pH, conductivity, humidity, available phosphorus and organic matter) and environmental factors (temperature, relative air humidity, altitude and atmospheric pressure) on arbuscular mycorrhizal fungi (AMF)-Brachiaria decumbens grass relationship. Furthermore to establish patterns of microbiological responses that allow to differentiate the study sites in two relief types.
METHODS AND RESULTS
Mycorrhizal characteristics (spore density, external hyphae and root colonizations by hyphae, vesicles and arbuscules), physical and chemical factors in soil and environmental factors were measured.
CONCLUSIONS
The effect of physical, chemical and environmental factors on microbiological variables was related to the type of relief 'valley and hilly terrain'; the AMF behaviour was affected only over narrower ranges of evaluated variables. Similarly, the colonization of B. decumbens roots by AMF hyphae, vesicles and the mycorrhizal spore density follow different patterns according to the relief type.
SIGNIFICANCE AND IMPACT OF THE STUDY
The type of relief is one of the factors to be taken into consideration to evaluate the AMF inoculum and root colonization of these pastures, because of the influence of slope - as physical property of soil - on AMF.
DOI: 10.1111/j.1365-2672.2007.03533.x
PubMed: 17850319
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Ramos</name></author><author><name sortKey="Plazas, L S" sort="Plazas, L S" uniqKey="Plazas L" first="L S" last="Plazas">L S Plazas</name></author><author><name sortKey="Suarez, J C" sort="Suarez, J C" uniqKey="Suarez J" first="J C" last="Suárez">J C Suárez</name></author><author><name sortKey="Alvarez, F" sort="Alvarez, F" uniqKey="Alvarez F" first="F" last="Alvarez">F. 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Ramos</name></author><author><name sortKey="Plazas, L S" sort="Plazas, L S" uniqKey="Plazas L" first="L S" last="Plazas">L S Plazas</name></author><author><name sortKey="Suarez, J C" sort="Suarez, J C" uniqKey="Suarez J" first="J C" last="Suárez">J C Suárez</name></author><author><name sortKey="Alvarez, F" sort="Alvarez, F" uniqKey="Alvarez F" first="F" last="Alvarez">F. Alvarez</name></author></analytic><series><title level="j">Journal of applied microbiology</title><idno type="eISSN">1365-2672</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Altitude (MeSH)</term><term>Brachiaria (microbiology)</term><term>Colombia (MeSH)</term><term>Conservation of Natural Resources (MeSH)</term><term>Environmental Microbiology (MeSH)</term><term>Fungi (physiology)</term><term>Geography (MeSH)</term><term>Hyphae (MeSH)</term><term>Mycorrhizae (physiology)</term><term>Rain (MeSH)</term><term>Seasons (MeSH)</term><term>Soil Microbiology (MeSH)</term><term>Spores, Fungal (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Altitude (MeSH)</term><term>Brachiaria (microbiologie)</term><term>Champignons (physiologie)</term><term>Colombie (MeSH)</term><term>Conservation des ressources naturelles (MeSH)</term><term>Géographie (MeSH)</term><term>Hyphae (MeSH)</term><term>Microbiologie de l'environnement (MeSH)</term><term>Microbiologie du sol (MeSH)</term><term>Mycorhizes (physiologie)</term><term>Pluie (MeSH)</term><term>Saisons (MeSH)</term><term>Spores fongiques (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Colombia</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Brachiaria</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Brachiaria</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Champignons</term><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fungi</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Altitude</term><term>Conservation of Natural Resources</term><term>Environmental Microbiology</term><term>Geography</term><term>Hyphae</term><term>Rain</term><term>Seasons</term><term>Soil Microbiology</term><term>Spores, Fungal</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Altitude</term><term>Colombie</term><term>Conservation des ressources naturelles</term><term>Géographie</term><term>Hyphae</term><term>Microbiologie de l'environnement</term><term>Microbiologie du sol</term><term>Pluie</term><term>Saisons</term><term>Spores fongiques</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Colombie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>AIM</b></p><p>To evaluate the effects of soil physical and chemical factors (pH, conductivity, humidity, available phosphorus and organic matter) and environmental factors (temperature, relative air humidity, altitude and atmospheric pressure) on arbuscular mycorrhizal fungi (AMF)-Brachiaria decumbens grass relationship. Furthermore to establish patterns of microbiological responses that allow to differentiate the study sites in two relief types.</p></div><div type="abstract" xml:lang="en"><p><b>METHODS AND RESULTS</b></p><p>Mycorrhizal characteristics (spore density, external hyphae and root colonizations by hyphae, vesicles and arbuscules), physical and chemical factors in soil and environmental factors were measured.</p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSIONS</b></p><p>The effect of physical, chemical and environmental factors on microbiological variables was related to the type of relief 'valley and hilly terrain'; the AMF behaviour was affected only over narrower ranges of evaluated variables. Similarly, the colonization of B. decumbens roots by AMF hyphae, vesicles and the mycorrhizal spore density follow different patterns according to the relief type.</p></div><div type="abstract" xml:lang="en"><p><b>SIGNIFICANCE AND IMPACT OF THE STUDY</b></p><p>The type of relief is one of the factors to be taken into consideration to evaluate the AMF inoculum and root colonization of these pastures, because of the influence of slope - as physical property of soil - on AMF.</p></div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17850319</PMID><DateCompleted><Year>2008</Year><Month>04</Month><Day>29</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>17</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1365-2672</ISSN><JournalIssue CitedMedium="Internet"><Volume>104</Volume><Issue>1</Issue><PubDate><Year>2008</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Journal of applied microbiology</Title><ISOAbbreviation>J Appl Microbiol</ISOAbbreviation></Journal><ArticleTitle>Effect of physical, chemical and environmental characteristics on arbuscular mycorrhizal fungi in Brachiaria decumbens (Stapf) pastures.</ArticleTitle><Pagination><MedlinePgn>132-40</MedlinePgn></Pagination><Abstract><AbstractText Label="AIM" NlmCategory="OBJECTIVE">To evaluate the effects of soil physical and chemical factors (pH, conductivity, humidity, available phosphorus and organic matter) and environmental factors (temperature, relative air humidity, altitude and atmospheric pressure) on arbuscular mycorrhizal fungi (AMF)-Brachiaria decumbens grass relationship. Furthermore to establish patterns of microbiological responses that allow to differentiate the study sites in two relief types.</AbstractText><AbstractText Label="METHODS AND RESULTS" NlmCategory="RESULTS">Mycorrhizal characteristics (spore density, external hyphae and root colonizations by hyphae, vesicles and arbuscules), physical and chemical factors in soil and environmental factors were measured.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">The effect of physical, chemical and environmental factors on microbiological variables was related to the type of relief 'valley and hilly terrain'; the AMF behaviour was affected only over narrower ranges of evaluated variables. 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