期刊
JOURNAL OF PHYTOPATHOLOGY-PHYTOPATHOLOGISCHE ZEITSCHRIFT
卷 148, 期 1, 页码 1-6出版社
BLACKWELL WISSENSCHAFTS-VERLAG GMBH
DOI: 10.1046/j.1439-0434.2000.00460.x
关键词
field application; tebuconazole; yield; deoxynivalenol; nivalenol; zearalenone; Fusarium; wheat grain
Winter wheat cultivar Basalt was artificially inoculated with Fusarium culmorum at the end of anthesis and treated with the systemic fungicide tebuconazole (Folicur(R)) a few days before and/or after inoculation. Check plots remained uninoculated and unsprayed. Head infections, yield, yield components and the percentage of Fusarium-infected kernels were determined. Artificial Fusarium inoculation lowered yield significantly by 24.2-45.0%. Any fungicide treatment saved yield, thousand grain weight and kernel numbers per head. Pre-infectional application of tebuconazole was superior to application carried out post-infection. Moreover, the fungicide controlled deoxynivalenol (DON) synthesis in the field to a considerable extent, and enabled good control of Fusarium head blight, glume blotch and the percentage of Fusarium-infected kernels. The levels of Fusarium kernel infection after harvest clearly reflected the DON content of wheat grain.
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