Effect of drought on occurrence ofaspergillus flavus in maturing peanuts

Sanders, T.H. and Hill, R.A. and Cole, R.J. and Blankenship , P.D. (1981) Effect of drought on occurrence ofaspergillus flavus in maturing peanuts. Journal of the American Oil Chemists’ Society , 58 (12). A966-A970.

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Abstract

Florunner peanuts were grown in experimental plots with soil moisture and soil temperature modified during the last third of the growing period to produce drought, drought with cooled soil, irrigated and irrigated with heated soil treatments. Twice each week, beginning 97 days after planting, random samples were harvested and maturities of individual pods were determined without destroying pod integrity. The nature and quantity of the microflora associated with the pods and kernels were subsequently assessed. Drought and lower soil temperature resulted in maturity distributions containing higher proportions of immature pods. On peanuts with no visible damage to the pod or kernel, colonization byAspergillus flavus was more frequent in immature than mature kernels. Drought stress increased the incidence ofA. flavus and irrigation decreased it, except when soil temperatures were modified.A. flavus infestation was greatly increased at all maturity levels by pod damage

Item Type: Article
Additional Information: SNNigams collection
Author Affiliation: National Peanut Research Laboratory, USDA, SEA, AR, SR, PO Box 637, 31742, Dawson, GA
Subjects: Plant Protection
Divisions: Groundnut
Depositing User: Mr T L Gautham
Date Deposited: 13 Jul 2013 13:10
Last Modified: 13 Jul 2013 13:10
Official URL: http://dx.doi.org/10.1007/BF02679302
URI: http://eprints.icrisat.ac.in/id/eprint/11006

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