Volume 12 Part 2 Article 69: In Vitro Chemical and Biological Control of Bacterial Blotch of Agaricus bisporus (Sing.) Lange

Volume 12 Part 2 Article 69
Year 1989
Title: In Vitro Chemical and Biological Control of Bacterial Blotch of Agaricus bisporus (Sing.) Lange
Authors: A. Munjal, P.K. Khanna and H.S. Garcha

Abstract:

Bacterial blotch of the cultivated mushroom Agancus bisporus is an economically important disease in many mushroom growing countries of the world. The disease was first described by Paine (1919) and the causal organism which is a fluorescent pseudomonad was named then as Pseudomonas tolaasii. The origin of the blotch bacterium is quite speculating in different countries (Nair and Fahy, 1979; Wong and Preece, 1980; Olivier, 1982). From time to time, different approaches have been attempted to control the blotch disease which include manipulation of the growing conditions after pin head appearance (Gulliver, 1982), chemical control by the use of bactericides (Stoller, 1968; Royse and Wuest, 1980; Wong and Preece, 1985) and biological control by manipulating the microbial ecology of the casing soil (Nair and Fahy, 1976; Olivier and Guillaumes, 1981). In India, very little attention has been given towards this aspect of white button mushroom as the disease incidence is very low. Since the mushroom industry is rapidly growing in India, it becomes imperative to understand the source of this organism and the control measures that could be envisaged. The present study addresses these problems.

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