Crown rot caused by Fusarium culmorum (FCR) is a common and important pathogen affecting the cereal industry through grain yield and quality losses. In this study, the effects of epoxiconazole plus prochloraz application and several other applications on disease severity and grain quality parameters including thousand-grain weight (TGW), grain yield (GY), protein (GP), Zeleny sedimentation (ZS), wet gluten (WG) and Grain index (GI), were assessed. The efficacy of epoxiconazole plus prochloraz, were determined in the T1 (ZGS25), T2 (ZGS34), and T3 (ZGS45) growth stages of winter wheat with seven alternative spray programs. These programs were based on (i) the application (SF) of seed fungicide to infected seeds (ii) control without fungicide (non-SF) and (iii) three different growth stages of wheat. The interaction between seed fungicide applied and fungicide application time was significant (P≤0.01) for DS, ZS, and WG. The effectiveness regarding the disease severity, TGW, and GY of epoxiconazole plus prochloraz in relation to FCR wheat showed significant (P≤0.01) changes depending on the application time. The disease severity resulted in lower T1-T2 (9.66%) and T1-T2-T3 (9.91%) stages than the other stages. The highest yields were obtained when the fungicide was applied twice at the T1-T2 stages. DS/TGW and DS/GY were negatively correlated and TGW/GY was positively correlated in SF.
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The authors would like to thank Prof. Dr. Oğuz Bilgin and Assoc. Prof. Alpay Balkan from the Field Crop Department of the Agricultural Faculty of Tekirdağ Namık Kemal University for their contributions to the field experiment, as well as Emin Sukut (deceased wheat grower) and Hasan Sukut (wheat grower) for their contributions to fungicide application tests in both the seed and wheat growth stages.
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Primary Language | English |
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Subjects | Agricultural Engineering (Other) |
Journal Section | Research Articles |
Authors | |
Project Number | no |
Early Pub Date | January 29, 2024 |
Publication Date | March 15, 2024 |
Submission Date | December 6, 2023 |
Acceptance Date | January 4, 2024 |
Published in Issue | Year 2024 |