Relationships of Preharvest Weather Conditions and Soil Factors to Susceptibility of Sweetpotato to Postharvest Decay Caused by Rhizopus stolonifer and Dickeya dadantii
作者： Brooke A. Edmunds , Christopher A. Clark , Arthur Q. Villordon , Gerald J. Holmes
DOI: 10.1094/PDIS-11-14-1143-RE
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摘要: Postharvest soft rots of sweetpotato caused by Rhizopus stolonifer (Rhizopus rot) and Dickeya dadantii (bacterial root occur sporadically can result in significant losses. A 3-year field study related preharvest conditions, including soil texture, chemistry, fertility; air temperature; temperature moisture; various cultural practices (153 total variables), to postharvest susceptibility both diseases 75 fields North Carolina 63 Louisiana. Storage roots were sampled from each field, cured, stored, inoculated with pathogen after 100 120 days storage. Disease was measured as incidence diseased storage 10 following inoculation. There wide variation (0 100% for rot 5 95% bacterial states year. Correlations between disease the variables revealed numerous...
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