丙硫菌唑·戊唑醇对小麦白粉病的田间控制效果研究

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关键词白粉病；丙硫菌唑·戊唑醇;扬麦；产量中图分类号 S435.121. 4+6 文献标识码A文章编号 0517-6611（2025）13-0120-05doi ： 10.3969/j .issn. 0517-6611.2025.13.023

开放科学（资源服务）标识码（OSID）：

Effect of Prothioconazole ⋅⋅ Tebuconazole on Field Control Efficacy Against Wheat Powdery Mildew

WEITian，YANQian，ZUJn-leietal（IstituteofAgricultureSienceinLiiaeRegionofJiangsuroviene，YangzouJiangu 225007）

AbstractIn order to further clarify the field control effect of 40% Prothiomazole ·Tebuconazole suspension commonly used in production， Yangmail5，Yangai2OndYangai33wereusedastestmaterialsandtheirectsagainsthatpowderyildeandyieldinceaseere studiedfrom2O23toO24bysetingdiferentadministrationties.heesultsshowedthatthepreventioneficiencyofYangmai15was （204 47.51% and 71. 37% in 2023，68. 95% and 95. 09% in 2024;the efficacy of Prothiomazole·Tebuconazole applied to Yangmai 20 was 58.17% and 83.58% in 2023，and 90. 41% and 97.87% in 2024，respectively.Itis recommended that Yangmai 15 and Yangmai 20 by using Prothiomazole ⋅ Tebuconazole to control powdery mildew once ortwice according to the disease occurrence.Yangmai 33 isa new variety with highresistancetopowderymildew.Whennopesticidisapplied，nlyindividualleavesinthefielddvelopthdisease，andthediseasever ityismildItisoeedtoplyitoceotftofspragticendetsedoeaiantlyhightnatfspr ying once.At the same time，this study explored the control effect of 40% Prothiomazole ·Tebuconazole against Fusarium head blight. The results showed thatthecontrol efectof Prothiomazole·Tebuconazoleonthe firstandsecond spraying ofYangmai33 was 49. 35% and 81.82% ： Thecontrofetoftsarietyasildndotroltoulddudoeacodingtoeatroditio.Tissdyurti tigatedthefctofdiferentspranozlesofcommonlyusedelectricpowersprayeronthepreventionagainst wheatpowderymildew.Itwas foundhattheuseoffnesprayozlehadthebestefectonthepreventionandtreatmentofweatpowderymildew，whichcouldachore than 85% .Inthe production practice，werecommendusingthefine nozleoftheelectricsprayertosprayProthiomazole·Tebuconazoleto achievethepupoefpreveigandontrollngapowderyldndthtoficreasingprductioisbvious.Asetfor the prevention and control of wheat powdery mildew， 40% Prothiomazole ⋅ Tebuconazole has a good application prospect. This study provides a scientific basis for the application of Prothiomazole ⋅ Tebuconazole in the prevention and control of wheat powdery mildew.

eywordsPowdery mildew;Prothioconazole ⋅ Tebuconazole;Yangmai ; Yield

小麦是江苏省第一大粮食种植作物，常年种植面积233.33hm2 左右。（剩余9262字）