نتایج جستجو برای: spp Trichoderma

تعداد نتایج: 56241  

ژورنال: :مهار زیستی در گیاه پزشکی 2014
سجاد نوروزی کامران رهنما حجت الله ربانی نسب میثم تقی نسب

در این تحقیق، کارآیی سه گونه ی spp. trichoderma و دو استرین باکتری bacillus spp.  در کنترل بیولوژیک fusarium oxysporum f. sp. melonis عامل پژمردگی فوزاریومی خربزه در شرایط آزمایشگاه و گلخانه مورد ارزیابی قرارگرفت. آزمون ها در قالب طرح کاملاً تصادفی در 4 تکرار انجام شد و برای مقایسه ی میانگین ها از آزمون lsd در سطح احتمال یک درصد استفاده شد. نتایج بررسی های آزمایشگاهی روی کارآیی عوامل قارچی کنترل...

2007
Susanne Zeilinger Markus Omann

Fungi of the genus Trichoderma are used as biocontrol agents against several plant pathogenic fungi like Rhizoctonia spp., Pythium spp., Botrytis cinerea and Fusarium spp. which cause both soil-borne and leaf- or flower-borne diseases of agricultural plants. Plant disease control by Trichoderma is based on complex interactions between Trichoderma, the plant pathogen and the plant. Until now, tw...

2015
Th. Kamala S. Indira Devi K. Chandradev Sharma K. Kennedy

Towards assessing the genetic diversity and occurrence of Trichoderma species from the Indian region of Indo-Burma Biodiversity hotspot, a total of 193 Trichoderma strains were isolated from cultivated soils of nine different districts of Manipur comprising 4 different agroclimatic zones. The isolates were grouped based on the morphological characteristics. ITS-RFLP of the rDNA region using thr...

2014
I. TSVETKOV T. DZHAMBAZOVA V. KONDAKOVA

TSVETKOV, I., T. DZHAMBAZOVA, V. KONDAKOVA and R. BATCHVAROVA, 2014. Mycorrhizal fungi Glomus spp. and Trichoderma spp. in viticulture (review). Bulg. J. Agric. Sci., 20: 849-855 Mycorrhizal fungi’s Glomus spp. and Trichoderma spp. are natural components of the healthy vineyard soils. They have the ability to improve nutrition and root resistance to attack by pathogens, and contribute positivel...

2017
Maria F. Nieto-Jacobo Johanna M. Steyaert Fatima B. Salazar-Badillo Dianne Vi Nguyen Michael Rostás Mark Braithwaite Jorge T. De Souza Juan F. Jimenez-Bremont Mana Ohkura Alison Stewart Artemio Mendoza-Mendoza

Trichoderma species are soil-borne filamentous fungi widely utilized for their many plant health benefits, such as conferring improved growth, disease resistance and abiotic stress tolerance to their hosts. Many Trichoderma species are able to produce the auxin phytohormone indole-3-acetic acid (IAA), and its production has been suggested to promote root growth. Here we show that the production...

2010
Tran N. Ha

Trichoderma spp. are fungi that occur worldwide. Recent studies show that they are not only parasites of fungal plant pathogens but also can produce antibiotics. In addition, certain strains can induce systemic and localized resistance to several plant pathogens. Moreover, some strains may enhance plant growth and development. The potential of Trichoderma species used as biological agents of pl...

Journal: :international journal of advanced biological and biomedical research 2014
a. mohamadi s. shahbazi

six strain of trichoderma (t. viride, t. harzianum, t. reesei, t. longibrachiatum, t. koningii, t. virens) were isolated and used for extracellular enzyme production. species of trichoderma are collected from the surrounding soil of suger beet root fields in east iran, and held in vitro cultured pda. tcm and tfm are used for the growth of spores and induceing the production of cellulase. finall...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان 1390

به منظور شناسائی عوامل قارچی مولد پوسیدگی ریشه و طوقه خربزه نمونه برداری هائی در سال زراعی 1390-89 13از مزارع خربزه شهرستان تربت جام در استان خراسان رضوی صورت گرفت دو گونه فوزاریوم fusarium oxysporum f.sp. melonis و f. solani از بوته های خربزه-ای که دچار پژمردگی شده بودند. جداسازی و شناسائی گردید. همچنین سه گونه تریکودرما ی بومی از محیط ریشه خربزه trichoderma harzianum، t. viride، t. longibrach...

2008
Hye-Min Lee Won-Chull Bak Bong-Hun Lee Hyun Park Kang-Hyeon Ka

Trichoderma spp. cause large crop losses of the cultivated shiitake mushroom, Lentinula edodes. We bred several shiitake strains that are resistant to Trichoderma spp. using di-mon mating to establish a useful method for controlling the greenmold disease. We examined the competitive ability of L. edodes against Trichoderma spp. using a dual culture system to select resistant strains. By screeni...

2017
Shiva Yendyo Ramesh G C Binayak Raj Pandey

Background:Ralstonia spp. is a major pathogenic microbe for tomato, which invades the roots of diverse plant hosts and colonizes xylem vessels causing wilt, especially in tropical, subtropical and warm-temperate regions. Ralstonia spp. produces several virulence factors helping it to invade the plant's natural defense mechanism. Native isolates of Trichoderma spp., Pseudomonas fluorescens and B...

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