نتایج جستجو برای: t harzianum
تعداد نتایج: 704071 فیلتر نتایج به سال:
Trichoderma species are widely used for the commercial production of cellulolytic enzymes. In the present investigation, medium components were optimized using a central composite design and response surface methodology to produce endoglucanase (EG) from Trichoderma harzianum KUC1716. From the various medium components tested, cellulose, soy peptone, and thiamine HCl were selected as the optima...
Soil and root samples of tomato were collected from root knot nematode-infested fields of fifteen different localities of Malakand and Swat (NWFP) Pakistan in 2006-07 and Trichoderma harzianum was isolated from these samples. These isolates were tested against Meloidogyne javanica (Treub) Chitwood in the in vitro. Isolates Th1 and Th9, collected from Jabban and Shamozai were more aggressive tha...
The present study was carried out to evaluate the ability of Trichoderma harzianum (ALL 42-isolated from Brazilian Cerrado soil) to promote common bean growth and to modulate its metabolism and defense response in the presence or absence of the phytopathogenic fungi Rhizoctonia solani and Fusarium solani using a proteomic approach. T. harzianum was able to promote common bean plants growth as s...
We have used a Mediterranean hot spot of biodiversity (the Island of Sardinia) to investigate the impact of abiotic factors on the distribution of species of the common soil fungus Trichoderma. To this end, we isolated 482 strains of Hypocrea/Trichoderma from 15 soils comprising undisturbed and disturbed environments (forest, shrub lands and undisturbed or extensively grazed grass steppes respe...
S: Fusarium solani and Rhizoctonia solani are the common causal pathogens causes the damping off disease of beans (Phaseolus vulgaris L.) in Egypt. The antagonistic effect of four Trichoderma species, i.e. Trichoderma album, Triechoderma hamatum, Trichoderma harzianum and Trichoderma viride, was tested against F. solani and R. solani in vitro, in greenhouse and in field. In vitro tests, all Tri...
in order to investigate the effects of cattle manure, benefit fungi of trichoderma species and psudomunas spp. bacteria on seedling emergence parameters, growth and yield of wheat (triticum aestivum l.) a pot experiment was carried out in factorial (23) arrangement based on a randomized complete design with three replications. the treatments were three levels of cattle manure (10, 20 and 30 t.h...
Sugar beet cyst forming nematode (Heterodera schachtii) is one of the most important pathogens of the sugar beet in Iran. For biological control of Heterodera schachtii, 10 isolates of Trichoderma related to two species T. harzianum and T. virens were examined in laboratory and green house on eggs and cysts for two years. Results obtained from the laboratory assay showed that isolates of Tricho...
Agrocybe aegerita is an important mushroom cultivated in Korea, with good feel and a peculiar fragrance. A. aegerita can be cultivated throughout the year using culture bottles but is more susceptible to contamination than other mushrooms. Twenty-two pathogens were isolated from the fruiting bodies and compost of A. aegerita, and seven isolates were isolated from Pleurotus ostreatus to compare ...
طی سالهای 83-1382 واحدهای عمده پرورش قارچ خوراکی در استان تهران مورد بازرسی و نمونه برداری قرار گرفت و تعداد 103 جدایه قارچ به دست آمد. از میان گونه های به دست آمده verticillium fungicola (با 50 جدایه)، trichoderma harzianum (با 24 جدایه)، cladobotryum dendroides (با 16 جدایه) وacremonium crotocinigenum (با 11 جدایه) بالاترین فراوانی را داشتند. گونه a. crotocinigenum برای اولین بار از ایران گز...
بیماری پوسیدگی اسکلروتینیایی ساقه با عامل sclerotinia sclerotiorum یکی از مخرب ترین بیماری های کلزا در بسیاری از نقاط دنیا و مناطق شمالی ایران محسوب می شود. این تحقیق در راستای بررسی توان سازگاری قارچ آنتاگونیست تریکودرما به نانوسید و قارچ کش روال تی اس به منظور مبارزه تلفیقی علیه قارچ عامل پوسیدگی سفید ساقه کلزا در شرایط گلخانه انجام گرفت. در بررسی های آزمایشگاهی از 3 جدایه از trichoderma harz...
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