Document Type : Research Paper
Authors
1
Assistant Professor, Plant Protection Research Department, Fars Agricultural and Natural Resources Research and Education Center, AREEO, Shiraz, Iran
2
Assistant Professor, Department of Plant Protection, Khorasan-Razavi Center for Research of Agricultural Science and Natural Resources Center, AREEO, Mashhad, Iran.
3
Associate Professor, Department of Biological Control Research, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran.
4
Researcher, Horticulture Crops Research Department, Fars Agricultural and Natural Resources Research and Education Center, AREEO, Shiraz, Iran.
5
Researcher, Department of Plant Protection, Khorasan–Razavi Center for Research of Agricultural Science and Natural Resources Center, AREEO, Mashhad, Iran.
10.22092/bcpp.2023.363476.347
Abstract
Application of chemical fungicides is the primary method of tomato early blight disease management in Iran. In this study, the efficacy of CangMei biofungicide in doses of 0.75, 1 and 1.25 ml L–1 were assessed on the control of this disease alongside with Iminoctadine Tris and control without the use of fungicide. The experiment was carried out in Fars and Khorasan Razavi provinces according complete randomized blocks with five treatments and four replicates. The first spraying was performed after flowering stage, the second one was after the first symptoms of the disease was observed and repeated every 7 days up to 5 times. The effects of pesticides were assessed six times on the development of the disease on the leaves based on disease severity and the data was analyzed using SAS software. The results showed the best treatment to control of tomato early blight disease was Belkute®. Cang Mei bio fungicide in dose of 1.25 ml L–1 had the greatest effect among examined doses and reduced Area under disease progress curve (AUPDC) 30.16% and 33.21% in Fars and Khorasan Razavi respectively. Due to the destructive effects of chemical fungicides, Cang Mei could be recommended in dose of 1.25 ml L–1 to produce healthy crop.
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