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231224s1996 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.1996.tb01862.x
|2 doi
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|a eng
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| 100 |
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|a Fay, P
|e verfasserin
|4 aut
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|a Photosynthesis and nutrient-use efficiency of barley in response to low arbuscular mycorrhizal colonization and addition of phosphorus
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|c 1996
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 15.01.2016
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|a Date Revised 01.10.2020
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The effects of arbuscular mycorrhizal infection by Glomus mosseae (Nicol. & Gerd.) Gerd. & Trappe on growth and photosynthesis of barley (Hordeum vulgare L. cv. Manitou) were investigated in sand culture at five levels of calcium phosphate (50, 100, 200, 400 and 800 mg P kg(-1) ). Mycorrhizal infection was low and varied with P supply, declining from 3.3% at 50 mg P kg(-1) to 1.5% at the highest P concentration. In general, there were small differences in biomass between mycorrhizal (+AM) and non-mycorrhizal (-AM) barley but a significant reduction in dry mass of senesced leaves occurred in the +AM plants. Leaf P concentrations increased with P application, but did not differ between + AM and -AM plants. Although there were no differences in dry mass between + AM and -AM plants at 50 mg P kg(-1) , it was at this lowest P supply that +AM plants had higher rates of photosynthesis and greater P-use and N-use efficiencies. The mycorrhizal enhancement of maximum photosynthetic rate at the lowest P level was associated with a higher stomatal conductance, but was not related to increased leaf P or to changes in photon yield or the ratio of variable (FV) to maximum (FM) chlorophyll fluorescence
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|a Journal Article
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|a Barley
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|a Glomus mosseae
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|a P-use efficiency
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|a photosynthesis
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|a stomatal conductance
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|a Mitchell, D T
|e verfasserin
|4 aut
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|a Osborne, B A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 132(1996), 3 vom: 01. März, Seite 425-33
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|x 1469-8137
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| 773 |
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|g volume:132
|g year:1996
|g number:3
|g day:01
|g month:03
|g pages:425-33
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|u http://dx.doi.org/10.1111/j.1469-8137.1996.tb01862.x
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