Abstract
Two oxathiin derivatives with the trade names Plantvax and Vitavax were tested againstPuccinia horiana onChrysanthemum morifolium. Plantvax was more effective in soil than in foliar treatments. There was little difference between preventive and eradicative soil treatment but the chemical was rather phytotoxic. Vitavax in foliar treatment showed a good eradicative effect without phytotoxicity but repeated sprays were necessary because of low solubility. Vitavax in soil treatment was ineffective.
Samenvating
Twee oxathiinederivaten met de merknamen Plantvax en Vitavax werden op hun preventieve en curatieve werking tegen de witte roest van chrysant getoetst bij bodem-enbladbehandeling. Bij Plantvax was de bodembehandeling het meest effectief, het verschil tussen preventieve en curatieve behandeling was gering, het middel was zeer fytotoxisch. Een herhaalde curatieve bladbehandeling met Vitavax had een goed bestrijdingseffect zonder fytotoxische neveneffecten. Bodembehandeling en preventieve bladbehandeling met Vitavax hadden geen effect. Plantvax noch Vitavax zijn in de gebrukte formulering geschikt voor toepassing tegen de witte roest van chrysant in de praktijk.
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Zadoks, J.C., Kodde, A. & Hoogkamer, W. The effect of derivatives of 1,4-oxathiin on Puccinia horiana in chrysanthemum morifolium. Netherlands Journal of Plant Pathology 75, 193–196 (1969). https://doi.org/10.1007/BF02137217
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DOI: https://doi.org/10.1007/BF02137217