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首页> 外文期刊>European Journal of Agronomy >Effect of fungicide and foliar fertilizer application to winter wheat at anthesis on flag leaf senescence, grain yield, flour bread-making quality and DON contamination.
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Effect of fungicide and foliar fertilizer application to winter wheat at anthesis on flag leaf senescence, grain yield, flour bread-making quality and DON contamination.

机译：花期施用杀真菌剂和叶面肥对冬小麦旗叶衰老，籽粒产量，面粉制面包质量和DON污染的影响。

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摘要

In this study, field experiments have been conducted over three growing seasons to evaluate the effect of fungicides (triazoles and strobilurins) and a foliar fertilizer application to winter wheat at anthesis on flag leaf senescence, grain yield, bread-making quality, Fusarium head blight (FHB) disease and deoxynivalenol (DON) contamination. Flag leaf greenness was significantly influenced by the fungicide application. A delay in flag leaf senescence following triazole use did not increase grain yield. No effects of fungicide application on protein concentration were recorded. The application of strobilurin to a triazole programme did not significantly delay senescence of the flag leaf or increased yield, compared to the triazole-only application, while a consistent benefit was observed for dough strength (W). The triazole application led to significantly lower FHB symptoms and DON contamination, while the triazole-strobilurin fungicides programme led to an increase in DON contents, that were often higher than the untreated controls. Grain yield and quality were improved when a foliar feed containing macro- and micro-nutrients was added to a triazole fungicide programme, with no additional risk for DON contamination. Compared to the strobilurin fungicide application, the foliar fertilizer led to a longer delay of the flag leaf senescence and higher bread-making quality.
机译：在这项研究中，已在三个生长季节进行了田间试验，以评估杀菌剂（三唑和strobilururins）和在花期施用冬小麦叶面肥料对旗叶衰老，籽粒产量，面包制作质量，枯萎病的影响。 （FHB）疾病和脱氧雪腐酚（DON）污染。旗叶的绿度受杀真菌剂施用的影响很大。三唑使用后旗叶衰老的延迟不会增加谷物的产量。没有记录杀菌剂对蛋白质浓度的影响。与仅使用三唑的应用相比，在三唑程序中应用strobilururin不会显着延迟旗叶的衰老或增加产量，而在面团强度（ W ）方面却观察到了一致的益处。使用三唑可显着降低FHB症状和DON污染，而使用三唑-嗜球果伞素杀菌剂程序可导致DON含量增加，通常高于未处理的对照组。将含有大量和微量营养素的叶面饲料添加到三唑杀菌剂计划中，可以提高谷物的产量和品质，并且不会增加DON污染的风险。与叶绿素杀菌剂相比，叶面肥延长了旗叶衰老的时间，提高了面包的制作质量。

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