The role of the stock effect in the development of hindering of the paprika powdery mildew (Leveillula Taurica Arn.) infection

Lantos, Ferenc and Yıldırım, Ismet and Albert, R.: The role of the stock effect in the development of hindering of the paprika powdery mildew (Leveillula Taurica Arn.) infection. Review on agriculture and rural development, (1) 1. pp. 342-345. (2012)

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Abstract

The powdery mildew is a frequent fungi infection appearing in the intensive paprika growing, which causes rather serious economic loss despite of the integrated plant defense. The leaf necrosis it brings about appears within 20 days as a result of the high humidity (80-90%), and 26-30 °C temperature, mostly in foil-covered growing facilities irrespectively of the forcing periods. Following this, the plants and the development of the fruits cease. In our experiment, we used a cherry shaped pepper as rootstock that was selected from a substance growing wild in Mexico only (Capsicum annuum var. cerasiforme L.). It showed a significant resistance against the infection of the paprika powdery mildew (Leveillula taurica Arn.). Under the experimental conditions no powdery mildew infection appeared on the leaves of the scion paprika during the whole growing period. The stock’s root system had a low AM-type mycorrhiza contact.

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