Author:
ATKINSON R. G.,ADAMSON R. M.
Abstract
Fungicides were evaluated to determine their effectiveness in controlling Fusarium wilt and improving yields of greenhouse tomatoes (cv. Vantage) grown in plastic bags containing infested sawdust and irrigated with nutrient solution through trickle tubes. In experiments with spring and fall crops over several years, a single pre-plant drench of benomyl or of thiophanate methyl consistently reduced the number of wilted or dead plants and increased marketable yields significantly. Optimum rates were 100 and 150 ppm (w/v sawdust), respectively. Lower rates of these fungicides applied by trickle irrigation at transplanting, and twice later at 2-wk intervals, were only slightly less effective. When drenches of benomyl or thiophanate methyl were delayed until wilt symptoms appeared, the incidence of wilting was reduced, but significant increases in yield were not obtained.
Publisher
Canadian Science Publishing
Subject
Horticulture,Plant Science,Agronomy and Crop Science
Cited by
3 articles.
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