Trichoderma harzianum
Production en conditions non aseptiques d’inoculum de Trichoderma harzianum Rifai pour des essais de lutte biologique
... La note envisage la possibilité de produire un inoculum de Trichoderma harzianum en conditions non stériles, pour des essais sous serre ou en plein champ. Le substrat est constitué de paille hachée ...
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Effet du compost et de Trichoderma harzianum sur la suppression de la verticilliose de la tomate
... T. harzianum : Les racines des plantules de tomate ayant atteint le stade de plantation sont trempées avec la tourbe qui les entoure pendant 15 minutes dans les suspensions sporales des trois souches de ...T. ...
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Contribution à l’étude « in vitro » du pouvoir antagoniste de Trichoderma harzianum et Trichoderma asperellum Vis-àvis d’Ascochyta sp. agent responsable de « L’anthracnose » du pois (Pisum sativum L.)
... Les Trichoderma sp. terrestres se développent quasiment dans tous les sols (forestiers ou cultivés) et sur les végétaux en décomposition. Ils contaminent fréquemment le compost de la culture industrielle des ...
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Effet in vitro de Trichoderma harzianum et de champignons endophytes isolés de Cicer arietinum sur la croissance mycélienne de Ascochyta rabiei
... T. harzianum attaque les champignons phytopathogène par le mycoparasitisme et la production ...T. harzianum par la sécrétion de substances volatiles telles que les glio-viridines et les glio-toxines, ...
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Optimization of 6-pentyl-alpha-pyrone, lytic enzymes, and spores production byTrichoderma harzianum in solid state culture
... 1. Aix Marseille Univ, Avignon Université, CNRS, IRD, IMBE, Marseille, France. 2. Univ. Manouba, ISBST, BVBGR-LR11ES31, Biotechpole Sidi Thabet, 2020, Ariana, Tunisia. Optimization of 6-pentyl-alpha-pyrone, lytic ...
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MIP diversity from Trichoderma: Structural considerations and transcriptional modulation during mycoparasitic association with Fusarium solani olive trees
... Conclusion Our present results bring us nearer to understanding one molecular mechanism potentially involved in the mycoparasitic process of T. harzianum (with the example of Ths97 here) with the involvement of ...
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Isolement ,identification et caractérisation desespéces de trichoderma agent de lutte biologique et leurs effets antagonistes contre fusarium oxysporum f.sp ciceris
... de Trichoderma harzianum avec des fongicides réduit la fréquence de la maladie jusqu'à ...de Trichoderma viridea contre le complexe du flétrissement, et en particulier sur le FOC, il diminue ...
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Response Surface Methodology Study Of The Combined Effects Of Temperature, Ph, And A(W) On The Growth Rate Of Trichoderma Asperellum
... studied Trichoderma strains can grow at all temperatures and all pH levels tested (20–30C, pH ...other Trichoderma species. Kredics et al. (2004) reported that Trichoderma harzianum, ...
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From flasks to single used bioreactor : scale-up of solid state fermentation process for metabolites and conidia production by Trichoderma asperellum
... On a culture media during SSF, the development of mycelial bio- mass and subsequently high sporulation yields are related to a de- siccation process, possibly owe to stress by the culture conditions, causing, thus, an ...
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TRICHODERMA : ALTERNATIVE POUR LE CONTROLE DES PHYOPATHOLOGIES DUES AUX FUSARIUM SP. RESISTANTS AUX FONGICIDES DE LA REGION SEMI-ARIDE DE SETIF
... L‟objectif de cette étude est de mettre en évidence in vitro l‟effet antifongique d‟un isolat de Trichoderma harzianum vis-à-vis de trois Fusariums résistants aux fongicides [r] ...
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Activité antifongique des métabolites secondaires de quelques espéces de Trichoderma sp, isolées de rhisophére de pois chiche (Cicer areitinum L)dirigées contre Fusarium oxysporum F sp,ciceris agent de la fusariose vasculaire
... Scarselletti R., Faull J.L., 1994: In vitro activity of 6-pentyl-α-pyrone, a metabolite of Trichoderma harzianum, in the inhibition of Rhizoctonia solani and Fusarium oxysporum f. sp. Lycopersici. ...
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The Effect of Aeration for 6-Pentyl-alpha-pyrone, Conidia and Lytic Enzymes Production by Trichoderma asperellum Strains Grown in Solid-State Fermentation
... In recent years, the production of biopesticides has gained great attention in the scientific word because it is an important alternative to replace the much debated chemical pesticides used on the field crops. Fungal ...
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The fast identification by MALDI-TOF ICMS of Fusarium guttiforme infecting pineapple stem and being antagonised by Trichoderma asperellum.
... guttiforme was directly analysed by MALDI-TOF ICMS. In order to confirm its identity Trichoderma sp. was purified, growth in culture plate and analysed by MALDI-TOF ICMS and, macro- and micro-morphology. The ...
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Biochemical Characterization of a Bifunctional Enzyme Constructed by the Fusion of a Glucuronan Lyase and a Chitinase from Trichoderma sp.
... Figure 1. Chitinase and glucuronan lyase mechanism (with R = H and/or acetyl group). Among the enzymes produced by Trichoderma and secreted in extracellular medium, a glucuronan lyase (E.C.4.2.2.14) was purified ...
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Development and Evaluation of a Disposable Solid-State Culture Packed-Bed Bioreactor for the Production of Conidia from Trichoderma asperellum Grown Under Water Stress
... Comparison of the DSSCB with Existing Bioreactors One of the disadvantages of SSC is related to the difficulty in removing the metabolic heat generated during the culture, which is directly linked to the growth rate of ...
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Relationship between the protective activities of several strains of Trichoderma against damping-off agents and their ability to produce hydrolytic enzymes activities in soil or in synthetic media.
... (7) found that the ability of 3 isolates of Trichoderma harzianunr to release hydrolyic enzymes (chitinase, p-1,3 glucanase and cellulase) in synthetic culture medium (con[r] ...
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Genome sequencing and transcriptome analysis of Trichoderma reesei QM9978 strain reveals a distal chromosome translocation to be responsible for loss of vib1 expression and loss of cellulase induction
... Methods Fungal strains, culture conditions, and measurement of cellulase formation Trichoderma reesei wild-type strain QM6a (ATCC 13631), the early cellulase producing mutant T. reesei QM9414 (ATCC 26921), the ...
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Kinetic transcriptome analysis reveals an essentially intact induction system in a cellulase hyper-producer Trichoderma reesei strain
... fungus Trichoderma reesei, famous for its high cellulase enzymes secretion capacity, which is of high interest for the second generation biofuel industry ...
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MALDI-TOF MS to identify the pineapple pathogen Fusarium guttiforme and its antagonist Trichoderma asperellum on decayed pineapple.
... Macro- and micro-morphology All fungal isolates were submitted to morphological analyses. For each isolate, spores from 7-days-old cultures on PDA were suspended in 500 μL of 0.2 % agar. The suspension was used for ...
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Production of Coconut Aroma in Solid-State Cultivation: Screening and Identification of Trichoderma Strains for 6-Pentyl-Alpha-Pyrone and Conidia Production
... ibrachiatum G17 with 3.95 and 2.81 × 10 8 conidia·g·DM −1 , respectively. Comparing the production of conidia and 6-PP, the maximum conidia production was showed by T. asperellum G9; however, this strain also showed the ...
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