Abstract
The development of apple and grapevines varieties displaying durable resistance against some disease is one of the major aims in breeding programmes worldwide. In order to test some bio fungicides, the isolation of some pathogens for apple (Podosphaera leucotricha, Venturia inaequalis) and grapevine (Plasmopara viticola) was carried out.
Highlights
The development of apple and grapevines varieties displaying durable resistance against some disease is one of the major aims in breeding programmes worldwide
Podosphaera leucotricha covers the sprouts with a whitish mycelium layer in the form of powder / flour when the spores are formed and in autumn this powder becomes brown at the time of fungus fructification
The isolation of Podosphaera leucotricha and Venturia inaequalis was performed on Starkrimson Red Delicious Apple
Summary
The development of apple and grapevines varieties displaying durable resistance against some disease is one of the major aims in breeding programmes worldwide. Apple powdery mildew (APM) is a destructive pathogen, it produces damages in fruit and leaves. The spores formed arrive during the rains on the leaves (the inner part) where they penetrate the tissues of the plant producing the infection.
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