Volume 11, Issue 3 (2022)
JCP 2022, 11(3): 425-431 |
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Fani S R, Azimi H, Probst C. Efficacy of Beltanol (SL 37.5%) on damping-off disease of cucumber. JCP 2022; 11 (3) :425-431
URL: http://jcp.modares.ac.ir/article-3-58616-en.html
URL: http://jcp.modares.ac.ir/article-3-58616-en.html
1- Plant Protection Research Department, Yazd Agricultural and Natural Resources Research and Education Center, AREEO, Yazd, Iran. , r.fani@areeo.ac.ir
2- Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran.
3- University of Applied Sciences, School of Engineering, Department of Agricultural Technology and Management, Wels, Austria.
2- Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran.
3- University of Applied Sciences, School of Engineering, Department of Agricultural Technology and Management, Wels, Austria.
Abstract: (1370 Views)
Damping-off disease caused by Phytophthora melonis is the most common disease of cucumber seedlings Cucumis sativus L.. To study the efficacy of 8-hydroxy quinoline sulfate (Beltanol®) in control of cucumber damping-off disease, glasshouse experiments were carried out with six treatments at research stations in Tehran, Alborz, and Semnan provinces in Iran. Treatments included 0.3, 0.4, and 0.5 ml∙l-1 of Beltanol as the experimental fungicide, metalaxyl+mancozeb (Rosalaxyl® WP 72%; FRAC code 3 + M03) at 2 g∙l-1 as the standard fungicide along with inoculated and untreated and non-inoculated (healthy) controls. Cucumbers were cultivated from seed in trays, and treatments were applied twice. Once after seed sowing and second time at the 2-leaf stage. Disease incidence was recorded at the 4-leaf stage. Beltanol at 0.3 ml∙l-1 had the least effect among fungicides, with nearly 50% of treated plants showing signs of disease. Application of Beltanol at 0.4 and 0.5 ml∙l-1 decreased disease incidence by 59.55 and 64.47% compared to the inoculated control, respectively. Rosalaxyl® performed better than Beltanol and reduced disease by 83.55%. However, to provide alternatives for proper fungicide rotations, Beltanol at the rate of 0.4 ml∙l-1 may manage damping-off disease in cucumber.
Article Type: Original Research |
Subject:
Chemical Control of Plant Diseases
Received: 2022/01/12 | Accepted: 2022/09/21 | Published: 2022/11/8
Received: 2022/01/12 | Accepted: 2022/09/21 | Published: 2022/11/8
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