PJB-1995-23
THE INFLUENCE OF PROPICONAZOLE FUNGICIDE APPLICATION ON HARD RED SPRING WHEAT CULTIVARS
ASLAM KHAN* AND L.A. SPILDE
Abstract
The effect of foliar applied systemic fungicide propiconazole (1-[[2-2,4 dichlorophenyl) on the agronomic, seed quality, and economic response of hard spring wheat (Triticum aestivum L.) was investigated under rain-fed conditions. Propiconazole applied at Feekes growth stage (GS) 10 suppressed leaf spot disease but had no effect on grain yield or other traits measured. Percent reflectance of 800 nm wavelength radiation increased as the visually estimated leaf spot disease severity decreased following fungicide treatment, indicating that foliar reflection may be an efficient and reliable assessment of foliar disease. The use of propiconazole to control foliar diseases and maximize spring wheat production is not economically feasible under other similar enviromental conditions.
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