Evaluation of Resistance to Cylindrocladium parasiticum of Runner-Type Peanut in The Greenhouse and Field

Identification and utilization of peanut cultivars with resistance to Cylindrocladium black rot (CBR) is a desirable approach to manage this disease. The objectives of this study were to improve greenhouse and field screening techniques for resistance to CBR, and to evaluate the reaction of selected...

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Bibliographic Details
Published in:Peanut science 2008-07, Vol.35 (2), p.139-148
Main Authors: Dong, W.B, Brenneman, T.B, Holbrook, C.C, Culbreath, A.K
Format: Article
Language:English
Subjects:
Arachis hypogaea
cultivars
Cylindrocladium
Cylindrocladium parasiticum
disease course
disease incidence
disease resistance
disease severity
experimental design
field crops
field experimentation
genetic resistance
genetic variation
germplasm screening
greenhouse experimentation
peanuts
plant pathogenic fungi
plant rots
root rot
soil-borne diseases
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Summary:Identification and utilization of peanut cultivars with resistance to Cylindrocladium black rot (CBR) is a desirable approach to manage this disease. The objectives of this study were to improve greenhouse and field screening techniques for resistance to CBR, and to evaluate the reaction of selected runner-type peanut genotypes. Georgia-02C (moderately resistant to CBR) and C-99R (CBR-susceptible) were used in comparing the effectiveness of different inoculation methods in the greenhouse. Disease development was affected by both size and density of microsclerotia in soil. Use of microsclerotia at a size of 150 to
ISSN:0095-3679
DOI:10.3146/PS08-003.1