Yellow leaf spot of cashew: A case of molybdenum deficiency |
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| Authors: | C C Subbaiah P Manikandan Y Joshi |
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| Institution: | (1) Department of Ornamental Horticulture, University of Florida, 32611 Gainesville, FL, USA;(2) Department of Horticulture, University of Georgia, 30212 Experiment, GA, USA;(3) Present address: Western Washington Research and Extension Center, Washington State University, Puya 11 pp, 98371, WA, USA |
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| Abstract: | Summary Rooted cuttings ofSeverinia buxifolia were inoculated with the vesicular-arbuscular mycorrhizal (VAM) fungusGlomus intraradices or provided an inoculum filtrate (non-VAM plants) and grown in one of seven media combinations of fired montmorillonite clay
(FMC) and Canadian peatmoss (CP) at ratios of 100%, 80%, 67%, 50%, 33%, 20%, or 0% FMC. Mycorrhizal infection increased with
higher proportions of FMC, but the growth of both VAM and non-VAM plants was reduced with increased FMC amendment. The growth
benefit (top and root fresh-dry weights) conferred by mycorrhizal infection was greater at higher levels of FMC in the media.
Improved phosphorus uptake by inoculated severinia plants appeared at least partially responsible for increased growth compared
to non-VAM plants under conditions of high soluble salts and pH associated with high FMC composition.
Florida Agr. Expt. Sta. Journal Series No. 6319. |
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| Keywords: | Glomus intraradices Media characteristics Severinia buxifolia Vesicular-arbuscular mycorrhizae |
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