The Utilization of Aqueous Compost Fermentation Extracts (“Compost Tea”) for the Suppression of Turfgrass Pathogens
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Control of Botrytis cinerea, Alternaria alternata and Pyrenochaeta lycopersici on tomato with whey compost-tea applications
Compost teas are fermented extracts of composted materials that are used to control plant diseases. A compost extractor in liquid phase, with forced air blowing system and assembled using farmer facilities, was used to produce “on farm” aerated compost teas (CTs) from five types of compost, in a 14-day fermentation cycle. Solid feed stocks, including one biowaste compost and four composted toma...
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The relationships among the chemical, physical and biological aspects of compost and their role in suppression of turfgrass pathogens are reviewed. The composting process, mediated by microbial activity, is aected by physical and chemical characteristics which include temperature, aeration, moisture content, C:N ratio and pH. In the absence of parameter restrictions, the microbial community fo...
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Title of Dissertation: ASSESSMENT OF FOODBORNE PATHOGEN SURVIVAL DURING PRODUCTION AND PRE-HARVEST APPLICATION OF COMPOST AND COMPOST TEA David T. Ingram, Ph.D. 2009 Directed By: Sam W. Joseph, Professor (Emeritus), CBMG and Director, Maryland Institute for Applied Environmental Health Jianghong Meng, Professor, NFSC, and Interim Director of the Joint Institute for Food Safety and Nutrition The...
متن کاملBiocontrol strategy, Compost, Soil-borne pathogens management
The effect of different compost-soil ratios on the incidence of Pythium aphanidermatum causing tomato damping off was tested in a greenhouse experiment. The inoculum density of 5% was determined to be suitable for inoculation in compost experiments based on investigations of disease incidence with 5, 10 and 20% inoculum densities. To evaluate the effect of compost on incidence of tomato damping...
متن کاملCompost Tea as a Container Medium Drench for Suppressing Seedling Damping-Off Caused by Pythium ultimum.
ABSTRACT Compost tea is being used increasingly in agricultural production to control plant diseases. However, there has been limited investigation relating disease control efficacy to various compost tea production methods, particularly compost tea produced with active aeration and additives to increase microbial population densities in compost tea. Aerated compost tea (ACT) and nonaerated com...
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