Chemical Control of Paecillomyces variotii the Causal Agent of Pistachio Die Back by Using Fungicides
Journal Title: International Journal of Farming and Allied Sciences - Year 2015, Vol 4, Issue 3
Abstract
Die-back of pistachio is one of the most important pistachio diseases. The disease caused by various factors such as Paecillomyces variotii. In present study in vitro antifungal effects of the seven fungicides consists of Copper oxychloride, Rovral TS, Benomyl, Mankozeb, Elite, Tilt and Artyva on mycelial growth of pathogen were investigated. In first experiment, doses of 0, 5 ppm, 10 ppm, 25 ppm and 50 ppm of fungicides were used. In second experiment, optimal doses of fungicides were tested on the branch by two methods. Fungicides Benomyl and Rovral TS showed the most effective against mycelial growth of pathogen. The minimum growth inhibition of pathogen was related to fungicide Elite. In horizontal position of branches, the maximum reduction of branch canker was observed in application of fungicides Benomyl. Fungicides Elite and Artyva were subsequently placed. Eventually, in vertical position of branches fungicides Artyva , Elite, Rovral TS, Mankozeb as well as tilte showed the maximum reduction of branch canker, respectively.
Authors and Affiliations
Ali Zarei Jalalabadi, Seddigheh Mohammadi, Mohammad Moradi
Keywords
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