In Vitro Screening of Endophytic Trichoderma sp. Isolated from Oil Palm in FGV Plantation against Ganoderma boninense

Elya Masya Mohd Fishal, I. A. Razak, N. Bohari, M. S. A. Mohd Nasir
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引用次数: 3

Abstract

The potential of several endophytic Trichoderma isolates, isolated from healthy oil palm roots was assessed against Ganoderma boninense (PER71), the caus-al agent of Basal Stem Rot (BSR) disease through in vitro screening. In the dual culture assay, all endophytic Trichoderma isolates were found to be capable of inhibiting the growth of PER71 mycelium, by causing more than 70% inhibition of the pathogen’s radial growth (PIRG). Trichoderma asperellum M103 has caused the highest inhibition at 93.14%. The volatile compound produced by M103 also suppressed 65% of the pathogen’s radial growth. On the other hand, T. harzianum, M108 was found to have the ability to produce non-volatile compounds that is toxic and it has effectively inhibited 98.18% of the growth of PER71. Collectively, T. asperellum M103 and T. harzianum M108 have the potential to inhibit the growth of G. boninense PER71. These isolates were shown to be viable options for the future management of G. boninense in the oil palm field.
FGV人工林油棕内生木霉对牛灵芝的体外筛选
通过体外筛选,研究了从健康油棕根中分离的几株内生木霉对基茎腐病(BSR)病原菌灵芝(Ganoderma boninense, PER71)的抑菌潜力。在双重培养实验中,所有内生木霉分离株都能抑制PER71菌丝体的生长,对病原菌的径向生长(PIRG)的抑制作用超过70%。其中曲霉M103的抑菌率最高,为93.14%。M103产生的挥发性化合物也抑制了65%的病原菌径向生长。另一方面,发现T. harzianum, M108具有产生非挥发性有毒化合物的能力,并有效抑制了98.18%的PER71的生长。综上所见,曲霉M103和哈兹纳姆M108具有抑制波氏杆菌PER71生长的潜力。这些分离株被证明是油棕田未来管理博宁螺杆菌的可行选择。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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