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Showing 1 to 18 of 18 for “"Trichoderma harzianum"”.
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Producción de B-1,6-glucanasa II y genes regulados por pH en Trichoderma harzianum
… como primer objetivo: 1. Obtención de cepas de Trichoderma harzianum mejoradas en su capacidad antagonista por sobreexpresión del gen bgn16.2, que codifica una β-1,6-glucanasa. Optimación de las condiciones de cultivo (pH y ausencia de proteasas extracelulares) para la producción de la proteína …
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Influence of Trichoderma Harzianum Rifai on growth, chemical compositions and root exudation of axenic tobacco
… after 44 days growth with washed conidia of <i>Trichoderma harzianum</i> Rifai by introducing conidia into the rooting medium at a concentration of 1.08 X 10<sup>6</sup> to 1.44 X 10<sup>6</sup> conidia per plant. Experiments were harvested 35 days and 123 days after inoculation. Growth …
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Effect of soilpH and temperature on the biological control of Rhizoctonia solani by Bacillus megaterium and Trichoderma harzianum
… 2B-12 and controlled by Bacillus megaterium and Trichoderma harzianum, was the disease/biocontrol model used for a systematic study of the effect of soil pH and temperature on the biological control of soilborne plant pathogens. In vitro experiments showed that T. harzianum isolate Th008 was …
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Inhibition of Mycelial Growth and Reproduction of Phytophthora Megasperma F. Sp. Glycinea by Trichothecin Produced by Trichothecium Roseum
The antagonism between Gliocladium roseum, Trichoderma harzianum, or Trichothecium roseum and Phytophthora megasperma f. sp. glycinea (Pmg) was studied. Culture filtrates of T. roseum inhibited mycelial growth as well as zoosporangenesis of Pmg in culture and soil, but not those of G. roseum and T. …
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Efecto de sustratos enriquecidos con rizobacterias promotoras de crecimiento en plantines de tomate
… sub-parcela inoculada con ambas bacterias más Trichoderma harzianum, Notocarda, levaduras y extracto de alga (Bioroot®) y finalmente una subparcela testigo sin inocular. Todo esto dentro de un universo muestral de 12 bandejas alveoladas de 286 celdas, cada bandeja conformada por los 4 …
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The significance of volatile antifungal metabolites produced by trichomerma harzianum biotype Th4, in green-mould disease of commercial mushroom crops /
The aggressive mushroom competitor, Trichoderma harzianum biotype Th4, produces volatile antifungal secondary metabolites both in culture and during the disease cycle in compost. Th4 cultures produced one such compound only when cultured in the presence of Agaricus bisporus mycelium or liquid …
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Trichoderma, Truban@, Pythium, and lighting influence on carnation development and flowering
… were carried out on the merit of utilizing Trichoderma in the production of carnations. Two different strains of Trichoderma harzianum, T-12 and T-95 were used. The effectiveness of Trichoderma as a control agent against Pythium root rot was found to be small. Some alterations in carnation …
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Alicaligenes faecalis : identification and study of its antagonistic properties against Botrytis cinerea
… properties was isolated from a culture of Trichoderma harzianum. According to its cultural characteristics and biochemical properties it was identified as a strain of Alcaligenes (aeca/is Castellani and Chalmers. Antisera prepared in Balbc mice injected with live and heat-killed bacterial …
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Efecto de tres distancias de siembra y tres alternativas de manejo de enfermedades en el cultivo orgánico de fresa (Fragaria spp) variedad festival, en Las Sabanas, Madriz
… y el factor “B”: Tratamientos de enfermedades(trichoderma harzianum, Caldo sulfocálcico y un testigo absoluto). A los efectos obtenidos se les realizó un análisis de varianza (ANDEVA), y separación de medias a través de la prueba de rangos múltiples de tukey (8=0.05). Los resultados del estudio …
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Integrated management of stalk rot disease (Sclerotinia sclerotiorum) of cauliflower in the eastern hills of Nepal
… antagonists of S. sclerotiorum, particularly a Trichoderma harzianum, showed promising activity but further work is necessary to translate the results on detached curds into a practical technique. Source of resistance to S. sclerotiorum were found in cv. Kathmandu Local that could be exploited …
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Diagnóstico taxonômico do nematoide reniforme e potencialidade de filtrados fúngicos para o controle biológico
… TA14, Penicillium citrinum, Thielavia terricola, Trichoderma longibrachiatum, Trichoderma brevicompactum e Trichoderma harzianum induziram mortalidade da ordem de 88,5 a 100% dos juvenis de R. reniformis, em 48 h de exposição aos filtrados e permitiram apenas 4,6 a 19,5% de eclosão. Em teste com …
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Control biológico de meloidogyne incognita en pimiento (Capsicum annuum)
… de dos hongos como Paecilomyces lilacinus y Trichoderma. harzianum produjo un control de la enfermedad entorno al 70%, aunque el mayor inconveniente fue la poca persistencia en el suelo de estos hongos. La combinación de tres antagonistas (P. lilacinus, T. harzianum y Bacillus firmus) resultó …
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Molecular and Epidemiological Studies of Trichoderma aggressivum f. europaeum
Trichoderma aggressivum is the causal agent of severe green mould disease in the cultivated mushroom Agaricus bisporus (Samuels et al., 2002). This fungus was First isolated in Ireland in 1987 during an epidemic of green mould disease and has subsequently been isolated from mushroom farms across …
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Tea (Camellia sinensis (L.) O. Kuntze) plant productivity and protection with microbial stimulants : A thesis submitted in partial fulfilment of the requirements for the Degree of Doctor of Philosophy at Lincoln University
… important tea pathogens in-vitro while Trichoderma harzianum provided the best inhibition. Seven indigenous fungal and four bacterial genera were identified from soil and leaf samples from a tea plantation in New Zealand and used for biopromotion bioassays on young tea plants grown under …
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An investigation of selected effects of environment on the dry rot fungus <i>Serpula Lacrimans </i>
… treatment. Subsequently, the application of <i>Trichoderma harzianum</i>, a known antagonist of <i>S. lacrymans</i>, proved not to be an effective remedial treatment on its own, but appeared to impart a mildly protective effect when combined with a drying regime. Importantly, in the latter …
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Sustainable production of baby leaf lettuce and spinach through the use of compost and its extracts
… implementado con el microorganismo beneficioso Trichoderma harzianum. Los resultados demostraron que el compost aumentaba el porcentaje de germinación de las semillas y la calidad de la lechuga roja de hoja pequeña al reducir la acumulación de nitratos y aumentar la capacidad antioxidante y el …
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Mezzi innovativi nella difesa delle cucurbitacee da Fusarium solani f.sp. cucurbitae
… base rispettivamente dei seguenti microrganismi: Trichoderma harzianum ICC012 + T. viride ICC080, T. harzianum T22, Pseudomonas chlororaphis MA342, Streptomyces griseoviridis K61, P. fluorescens proradix DSM13134 e T. harzianum + Clonostachys rosea). I prodotti sono stati somministrati sul seme, …