New Chemical Tools for Control of Plant Diseases
A. R. Chase
We perform over 100 trials annually on control of diseases on a wide range of ornamental crops. Below is a summary for three of the newest products.
In 2008, the first total-release fungicide product was registered by Whitmire Micro-Gen — Fungaflor TR. The active ingredient is imazilil, which belongs to the sterol inhibitor class of fungicides (for example Eagle, Banner MAXX, Strike and Terraguard). The labeled sites are greenhouses on a wide range of plants from bedding plants, to cut flowers, to flowering hanging baskets and foliage plants (Table 1). The target diseases include Alternaria leaf spot, Botrytis blight and leaf spot, downy and powdery mildews, and rust diseases (Table 1). The use rates are given in cans per 3000, 1500, and 1000 square feet and the re-entry interval (REI) is 24 h.
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