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231225s2010 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-94-4-0445
|2 doi
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Ruark, S J
|e verfasserin
|4 aut
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| 245 |
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|a Evaluation of Microbial, Botanical, and Organic Treatments for Control of Peanut Seedling Diseases
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|c 2010
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| 336 |
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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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 Diseases affecting stand establishment are a major obstacle to organic production of peanut (Arachis hypogaea). Stand losses of 50% or more are possible with untreated seed. Biological, botanical, and organic seed treatments or soil amendments were tested for efficacy against pre- and postemergence damping-off of peanut in greenhouse, microplot, and field plot trials. Seed of the lines Perry, GP-NC 343, and Bailey (tested as N03081T) were used in all trials. Commercial formulations of Bacillus subtilis (Kodiak), B. pumilus (Yield Shield), Trichoderma harzianum (T-22 PB and Plantshield HC), Muscodor albus, and Coniothyrium minitans (Contans); activated charcoal; two separate soil amendments of dried herbage of Monarda didyma cultivars; a commercial fungicide control (Vitavax PC); and an untreated control were tested in natural soil in the greenhouse. Vitavax PC and Kodiak were the only treatments that resulted in higher percent emergence and survival than in untreated seed. A separate greenhouse experiment was conducted in natural soil or natural soil infested with field isolates of Aspergillus niger. Seed were treated with Kodiak, copper hydroxide (Champion), Plantshield HC, Kodiak + Plantshield HC, Streptomyces griseoviridis (Mycostop), hot water, Vitavax PC, or were left untreated. Seedling emergence and survival was much lower in infested versus uninfested soil. Seed treatment with Kodiak increased percent emergence and survival compared to untreated seed, but was not as effective as Vitavax PC. Field microplot studies in 2007 and 2008 at Clayton, NC, evaluated four seed treatments on the peanut lines following small grain cover crops, soil amendment with M. albus, or no cover. Cover crops did not affect emergence or interact with seed treatments. In field studies in 2007 and 2008 at Lewiston, NC, the peanut lines were planted with M. albus infurrow, with Kodiak or T. harzianum seed treatments, or were untreated. In the 2007 trial, none of the treatments improved stands compared to the untreated check. In 2008, the highest stand counts were produced by seed treated with Kodiak. In both years, Bailey produced the greatest stand counts. A. niger was strongly associated with postemergence damping-off in the field. Regardless of peanut line, in many trials, Kodiak seed treatment increased emergence and survival over untreated seed
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| 650 |
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|a Journal Article
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1 |
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|a Shew, B B
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 94(2010), 4 vom: 13. Apr., Seite 445-454
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:94
|g year:2010
|g number:4
|g day:13
|g month:04
|g pages:445-454
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-94-4-0445
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