Use of Trichoderma harzianum cultured on ground mesocarp fibre of oil-palm as seed treatment to control Pythium aphanidermatum,a causal agent of damping-off of Chinese kale seedling |
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| Authors: | Kanjanamaneesathian Mana Phetcharat Vasun Pengnoo Ashara Upawan Supatra |
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| Institution: | (1) Bio-Production Program, Faculty of Technology and Management, Prince of Songkla University, Surat Thani campus, Surat Thani province, Thailand;(2) Department of Pest Management, Faculty of Natural Resources, Prince of Songkla University, Hatyai campus, Songkhla province, Thailand;(3) Department of Earth Science, Faculty of Natural Resources, Prince of Songkla University, Hatyai campus, Songkhla province, Thailand;(4) Satun Agricultural College, Satun province, Thailand |
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| Abstract: | Trichoderma harzianum, isolate T 01-22, was cultured on either sorghum grains, ground mesocarp fibre of oil-palm or oil-palm shell, both amended with urea fertilizer (100:1, w/w). T. harzianum cultured on ground mesocarp fibre was then used to coat seeds of Chinese kale (Brassica alboglabra Bailey) to control damping-off of seedlings caused by Pythium aphanidermatum. Biomass of T. harzianum cultured on ground mesocarp fibre of oil-palm was more effective than Captan and Benomyl, but less effective than Metalaxyl, in controlling damping-off of Chinese kale seedlings. Viability of T. harzianum growing on sorghum grains was reduced significantly during 7 months storage, followed by that of T. harzianum cultured on ground mesocarp fibre and oil-palm shell, both amended with urea fertilizer (46-0-0) at 100:1 (w/w). |
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| Keywords: | Biological control Brassica alboglabra Pythium aphanidermatum Trichoderma harzianum |
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