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231225s2002 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS.2002.86.12.1318
|2 doi
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|a pubmed24n0981.xml
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|a (NLM)30818435
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|a DE-627
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|e rakwb
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|a eng
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|a Elmer, Wade H
|e verfasserin
|4 aut
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|a Influence of Formononetin and NaCl on Mycorrhizal Colonization and Fusarium Crown and Root Rot of Asparagus
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|c 2002
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Replanted asparagus fields commonly fail to produce a profitable stand due to alleopathic residues left behind from the previous asparagus crop, elevated densities of pathogenic Fusarium spp., and low densities of vesicular arbuscular mycorrhizae (VAM). Formononetin, a plant isoflavone that stimulates VAM spores to germinate, and sodium chloride (NaCl), a disease-suppressing amendment, were evaluated alone and in combination for their effect on reestablishing asparagus at two locations in abandoned asparagus fields. Greenhouse studies also were conducted with naturally and artificially infested soils. Formononetin was applied as a crown soak or soil drench, and NaCl was applied as a granular treatment. Feeder roots from soil cores sampled from field plots and from greenhouse transplants were assayed for colonization by VAM and for lesions caused by Fusarium oxysporum and F. proliferatum. Formononetin increased the number of VAM vesicles in roots from the field and greenhouse studies and reduced the percent root lesions caused by Fusarium spp. when compared with the nontreated controls. NaCl was more effective than formononetin in reducing the percentage of root lesions in both field and greenhouse experiment when compared with untreated plants but had no effect on VAM colonization. However, there was evidence that NaCl negated the effect of formononentin on VAM colonization. The NaCl treatment increased the May 2001 spear number by 15% and marketable spear weight by 23%. At one site, treatment with formononetin increased mean number of stalks per plant by 29% in 2000 and 14% in 2001. Both formononetin and NaCl improve growth and reduce disease of asparagus in replanted asparagus and may be useful in reestablishing asparagus in abandoned asparagus field
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| 650 |
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|a Journal Article
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|a L
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| 650 |
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|a disease management
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 86(2002), 12 vom: 01. Dez., Seite 1318-1324
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|x 0191-2917
|7 nnns
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| 773 |
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|g volume:86
|g year:2002
|g number:12
|g day:01
|g month:12
|g pages:1318-1324
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS.2002.86.12.1318
|3 Volltext
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|d 86
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