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Fumonisin B1 and zearalenone contamination of wheat in Croatia and influence of fungicide treatments

机译:克罗地亚小麦的伏马菌素B1和玉米赤霉烯酮污染及杀菌剂处理的影响

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摘要

In Croatia, a trial was conducted to determine the presence of the Fusarium mycotoxins fumonisin B1 and zearalenone in wheat kernels and to evaluate the efficacy of nine fungicides on Fusarium head blight severity as well as fumonisin B1 and zearalenone accumulation in wheat grain. Fumonisin B1 and zearalenone were detected in all grain samples in mean concentrations ranging from 182.0 to 446.6 µg kg-1 (fumonisin B1) and from 2.59 to 5.33 µg kg-1 (zearalenone). No significant differences were found among fumonisin B1 and zearalenone content in wheat grain for the different fungicide treatments. No correlation was revealed between Fusarium head blight severity and fumonisin B1 or zearalenone content in wheat grain, nor between fungicide efficacy and fumonisin B1 or zearalenone content in wheat grain. Under conditions of high disease pressure, efficacy of the fungicides was between 85.7% (tebuconazole + triadimefon) and 72.1% (carbendazim).
机译:在克罗地亚,进行了一项试验,以确定小麦籽粒中镰刀菌真菌毒素伏马菌素B1和玉米赤霉烯酮的存在,并评估九种杀菌剂对小麦籽粒枯萎病严重程度以及伏马菌素B1和玉米赤霉烯酮积累的功效。在所有谷物样品中检测到伏马菌素B1和玉米赤霉烯酮的平均浓度范围为182.0至446.6 µg kg-1(伏马菌素B1)和2.59至5.33 µg kg-1(玉米赤霉烯酮)。小麦籽粒中伏马毒素B1和玉米赤霉烯酮含量在不同杀菌剂处理之间没有显着差异。小麦籽粒中镰刀菌枯萎病的严重程度与伏马菌素B1或玉米赤霉烯酮含量之间没有相关性,杀真菌剂功效与小麦籽粒中的伏马菌素B1或玉米赤霉烯酮含量之间没有相关性。在高疾病压力的条件下,杀菌剂的效力在85.7%(戊唑醇+三唑酮)和72.1%(多菌灵)之间。

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