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Volume 7      Special Issue-2019

The application of Trichoderma viride -T1sk rice straw compost to suppress Fusarium wilt on banana seedling
 

Nurbailis*, Endang Dwiki Ningrum, Jumsu Trisno

Department of Plant Protection, Agriculture Faculty, Universitas Andalas, Padang, Indonesia

Abstract

Fusarium wilt is one of the most destructive diseases in banana that needs to be addressed. We used T. viride -T1sk, an antagonistic fungus as well as a decomposer to decompose rice straw, and applied the resulted compost to banana seedlings infected by Fusarium wilt to find a dosage that potential to suppress the disease. A greenhouse study was conducted in RBD with seven treatments and four replications. The treatments were the dosages of T. viride-rice straw compost (g/seedling), they were 60, 80, 100, 120, 140, 0 (Control I), and without compost (Control II). The parameters were the density of T. viride-T1sk in seedling’s rhizosphere, the appearance of the first symptom, the percentage of symptomatic leaves, and the intensity of corm damage. The result showed that the density of T. viride in rhizosphere of banana seedlings before planting differed significantly among the dosages. The highest density was found at the dose of 140 g/seedling (8.23 x 104) which was not significantly differ with the doses of 120 and 100 g/seedling. Two months after planting, the density of T. viride in rhizosphere was increased. The highest density was found in the treatment of 120 g/seedling compost (9.85 x 104) which was not differed with the doses of 140 and 100 g/ seedling.

Keywords: Banana seedling, Fusarium wilt, Rice straw compost, T. viride-T1sk

 

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