Influence of some weather parameters on the susceptibility of apple fruit to postharvest grey mould attack

Several cultural and weather factors during the season influence the susceptibility of apple fruit to post-harvest pathogens. In the present study, the effect of different weather parameters on postharvest susceptibility of apples of the cv. ‘Ingrid Marie’ to grey mould was investigated. In 2015, apple fruit were collected from orchards in Southern Sweden, where local weather stations monitored different parameters. After harvest, the fruit were tested for susceptibility to grey mould by artificially inoculating them with%FLQHUHD. Lesion development was monitored over a 10-day-period. Analysis of results for a few orchards showed that cold weather for over a month preceding harvest and a low total number of growth degree days gave apples that were more susceptible to grey mould. This study was carried out in conventional orchards, but the conclusions can be important also for organic production, since they deal with the general effect of sunshine, temperature and rain, factors that may strengthen fruit during cultivation, regardless of production type. Future studies may focus on organic production to investigate whether these effects are general and also apply to organic production.

Lindström, Svante,1958-Högskolan i Gävle,Högskolegemensam administration(Swepub:hig)slm (author)
Mattsson, Magnus,1964-Högskolan i Gävle,Energisystem(Swepub:hig)mms (author)
Wright, Sandra A. I.Högskolan i Gävle,Biologi(Swepub:hig)saawrt (author)
SLUHögskolegemensam administration (creator_code:org_t)

By the author/editor: Falk, Anders B.; Lindström, Svant ...; Mattsson, Magnus ...; Wright, Sandra A ...

About the subject

AGRICULTURAL SCIENCES: AGRICULTURAL SCI ...; and Agriculture Fore ...; and Food Science

NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Meteorology and ...

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