Effect of Application Timing of Artea and Amistar Xtra on the Yield of Wheat ( Triticum aestivum L.) under Foliar Disease in the East-Algerian

摘要

Background and Objective: In the field of agriculture, the use of fungicides are necessary to control fungal disease caused by the phytopathogenic. The aim of the present study was to examine the effect of application timing of the fungicide for investigate how choice of partner, either eradicate (Artea+Amistar Xtra) or protecting the crop and to evaluate the benefit of a third (T3) spray application in wheat. Methodology: Three applications of fungicide are recommended: at the stem extension, booting and heading stage of crop growth. Azoxystrobin, cyproconazole and propiconazole belong to two different chemical classes and are commonly used as chemical groups for control the diseases on wheat in Algeria. Result: The study show that, application of fungicides at the stem elongation (T1), booting (T2) and at the heading stage (T3) resulted in a significant reduces the disease severity with 63.33, 91.66 and 87.5% reduction for powdery mildew, yellow rust and brown rust, respectively and increase in yield, compared to one or two applications by this treatment. Conclusion: Application of fungicides at timing of the T3 had a significant impact at protecting green leaf or yield compared to one or two applications.