几丁质溶解菌fususiformlysinibacillus和reuszerbrevibacillus对真菌病原菌solani Rhizoctonia和oxysporum的抑菌活性研究

Microbiology Indonesia Pub Date : 2022-01-26 DOI:10.5454/mi.15.4.3

M. Masri, Eka Sukmawaty, As Awalia Amir

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引用次数: 2

摘要

抽象的。几丁质分解菌能产生几丁质酶，是植物的一种生物防治剂。本研究旨在观察几丁质降解对茄枯丝核菌和尖孢镰刀菌生长的抑制作用。在含有几丁质琼脂培养基的培养皿中，分别培养几丁质溶解菌fususiformis Lysinibacillus和reuszeri Brevibacillus，与致病真菌f.s oxysporum和R. solani，相距3 cm进行双培养试验。结果表明，溶几丁质菌分离物对真菌的各指标抑制活性分别为:L. fususiformis(30%)、B. reuszeri(77%)和R. solani真菌分离物对尖孢镰刀菌(F. oxysporum)的抑制活性为100%;关键词:抗真菌;几丁质降解菌;病原真菌;

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Anti Fungal Activity of Chitinolytic Bacteria Lysinibacillus fusiformis and Brevibacillus reuszeri Against The Fungal Pathogens Rhizoctonia solani and Fusarium oxysporum

Abstract. Chitinolytic bacteria can produce chitinase, reported as a biocontrol agent against plants. This research aims to see chitinolytic activity in inhibiting the growth of Rhizoctonia solani and Fusarium oxysporum. Anti fungal testing in dual culture test by growing each of the chitinolytic bacteria, Lysinibacillus fusiformis and Brevibacillus reuszeri, with the pathogenic fungi, F. oxysporum and R. solani, in Petri dishes containing Chitin Agar Media facing a distance of 3 cm. The results showed that chitinolytic bacterial isolates were capable inhibit the fungus by having the activity of each index inhibition of L. fusiformis isolates (30%), B. reuszeri (77%) against F. oxysporum, and R. solani fungi isolates (100%) for each chitinolytic bacterial isolate. Keywords : Anti fungal, Chitinolytic bacteria, Pathogenic fungi.

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Microbiology Indonesia

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