The antagonism between Trichoderma viride and other pathogenic fungal strains in Zea mays.
The antagonism between Trichoderma viride and other pathogenic fungal strains in Zea mays.
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DOI：
10.5251/abjna.2011.2.4.584.590
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发表时间：
2011-01-01
期刊：
影响因子：
--
通讯作者：
Chaouche, N. K.
中科院分区：
文献类型：
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作者：
Bouziane, Z.;Dehimat, L.;Chaouche, N. K.
真菌如木霉属和粘帚霉属的寄生行为，表现为围绕真菌菌丝的螺旋。研究了绿色木霉对玉米上不同真菌的拮抗作用。绿色木霉菌株是从气候潮湿的吉杰尔土壤中分离得到的。从玉米不同器官（根、茎、叶）中分离到28株真菌，分属于17个属：犁头霉属、链格孢属、曲霉属、葡萄孢属、枝孢属、附球菌属、镰刀菌属、地霉属、黑粉菌属、串珠菌属、青霉属、茎点霉属、腐霉属、帚霉属、Scytalidium属、木霉属和单孢霉属。在PDA上进行了绿色木霉与真菌菌株的直接对峙试验。在有抑菌圈和无抑菌圈的情况下，绿色木霉对病原菌都有竞争作用。已测定了真菌分离物和绿色木霉的生长速率。绿色木霉在播种后4天达到培养皿的汇合，使得不同的真菌分离物占据玫瑰镰刀菌的29%的表面、附球菌属sp2的13%的表面、附球菌属sp3的44%的表面、串珠菌属sp21%的表面、犁头霉属sp15%的表面和木霉属sp2的6%的表面，这对应于对所测试的真菌分离物的菌丝体生长的抑制。
Fungi such as Trichoderma and Gliocladium associated with parasitic behavior manifested by a coil around the hyphae of fungi filaments. This study showed the antagonistic effect of Trichoderma viride against the different fungal isolates infecting the plant Zea mays. The strain of Trichoderma viride was isolated from Jijel soil character by humid climate. By different organs (roots, stems and leaves) of plant Zea mays have been isolated 28 fungal strains belonging to 17 genus: Absidia, Alternaria, Aspergillus, Botrytis, Cladosporium, Epicoccum, Fusarium, Geotrichum, Melanconium, Monileilla, Penicillium, Phoma, Pythium, Scopulariopsis, Scytalidium, Trichoderma and Ulocladium. The test of direct confrontation between Trichoderma viride and fungal isolates was made on PDA. The competitive action of Trichoderma viride on the pathogen in the presence or absence of zone of inhibition was seen in this test. The growth rate of fungal isolates and Trichoderma viride has been determined. Trichoderma viride reached the confluence of the Petri dish four days after sowing, so that different fungal isolates occupy a surface of 29% to Fusarium roseum, 13% for Epicoccum sp2, 44% for Epicoccum sp3, 21% for Monileilla sp, 15% for Absidia sp and 6% for Trichoderma sp2 which corresponds to an inhibition of mycelia growth of fungal isolates tested.