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首页> 外文期刊>Progress in Plant Protection >The influence of date and frequency of ear wheat infection by Fusarium culmorum on their infestation and effect of control.
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The influence of date and frequency of ear wheat infection by Fusarium culmorum on their infestation and effect of control.

机译：镰孢镰刀菌感染麦穗的日期和频率对其侵染和防治效果的影响。

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摘要

The artificial infection of ears by F. culmorum at the full flowering stage (S1) resulted in ear and seed infection levels of 57.3 and 67.0%, respectively (average of 2 years). The infection of ears at the full flowering stage and end of flowering stage (S2), and the infection of ears at S2 and seed maturity stage (S3) had slight effects on ear infection. Ear treatment with Caramba 60 SL [metconazole] at 1.5 litre/ha at one day before ear infection at the full flowering stage reduced the infection of the ear surface by F. culmorum by 78.8-94.6%. Such treatment increased the 1000-seed-weight over the control by 21-25% under S1, and by 31-41% under S2 and S3. The chemical protection of ears reduced the infection of seeds by 4- to 7-fold..
机译：满花阶段（S1）人工用镰刀菌对耳朵进行感染，导致耳朵和种子感染水平分别为57.3％和67.0％（平均2年）。在全花期和花期结束时（S2），耳朵的感染，在S2和种子成熟期（S3），耳朵的感染对耳朵的感染影响很小。在全花期的耳朵感染前一天，用1.5升/公顷的Caramba 60 SL [甲康唑]进行耳朵处理，在开花期的耳朵感染前，可将腐烂镰刀菌对耳朵表面的感染减少78.8-94.6％。这种处理在S1下比对照增加了1000粒重，在S2和S3下增加了31-41％。耳朵的化学保护作用将种子的感染减少了4到7倍。

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