Seasonal susceptibility of apple trees to Neonectria ditissima wound infections.

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dc.contributorSILVIO ANDRE MEIRELLES ALVES, CNPUV; Claudia Cardoso NUNES, Embrapa Uva e Vinho.
dc.creatorALVES, S. A. M.
dc.creatorNUNES, C. C.
dc.date2017-10-25T09:31:44Z
dc.date2017-10-25T09:31:44Z
dc.date2017-10-24
dc.date2017
dc.date2019-05-06T11:11:11Z
dc.date.accessioned2026-07-07T11:25:14Z
dc.descriptionEuropean canker, caused by Neonectria ditissima, is an important disease of apple in the temperate climate of southern Brazil. Monthly inoculations of this fungus were carried out on various wound types on cvs ‘Gala’ and ‘Fuji’ over two productive cycles to better understand the seasonal susceptibility of apple trees. Wound types were: bud scars (September), petal scars (October), fruit-thinning scars (November), leaf scars (from November to May), fruit-picking wound scars for ‘Gala’ (February) and ‘Fuji’ (March), and pruning wounds (June to August). One hundred plants of each cultivar were used and inoculation sites were monitored periodically for symptom expression. At each assessment, visible lesions were counted and pruned, and wounds were painted. Differences in wound susceptibility occurred throughout the year. Most lesions resulted from inoculations of pruning wounds. Inoculations performed in spring on bud and petal scars resulted in lower disease expression than inoculations later in the season. Keywords European canker, Malus domestica, Nectria galligena, Neonectria ditissima, apple, wound.
dc.identifierNew Zealand Plant Protection, v. 70, p. 73-77, 2017.
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1078043
dc.identifier.urihttp://hdl.handle.net/123456789/507133
dc.languageeng
dc.rightsopenAccess
dc.subjectEuropean canker
dc.subjectNectria galligena
dc.subjectWound
dc.subjectApple
dc.subjectMalus doméstica
dc.subjectCancro
dc.subjectNeonectria ditissima
dc.titleSeasonal susceptibility of apple trees to Neonectria ditissima wound infections.
dc.typeArtigo de periódico

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