نتایج جستجو برای: inoculated control plants incidence of t harzianum isolates before

تعداد نتایج: 21404290  

2012
Gabriel Moura Mascarin Mauro Ferreira Bonfim Jerônimo Vieira de Araújo Filho

Trichoderma harzianum strain ESALQ-1306 was assessed for its potential biological control against Meloidogyne incognita race 4 under in vitro and greenhouse conditions. In vitro, we noticed 64% of conidial attachment on eggs and second-stage juvenile immobilized by the fungus. In greenhouse, cucumber plants were treated with different concentrations of conidial suspensions before and after inoc...

Journal: :دانش گیاه پزشکی ایران 0
فاطمه ناصری نسب دانشجوی ارشد پردیس ابوریحان نوازاله صاحبانی استادیار پردیس ابوریحان حسن رضا اعتباریان استاد پردیس ابوریحان

tomato seedlings were inoculated with t. harzianum bi (106 spores/ml) and salicylic acid (5mm) other separately or combined together in the greenhouse environment. the effect of salicylic acid was investigated on growth of antagonistic agent in vitro. for an investigation of the effect of salicylic acid and of antagonist on pathogenecity factor, treatment with t. harzianum bi by drenching soil ...

Journal: :Agriculture 2022

The banana weevil (Cosmopolites sordidus) and the burrowing nematode Radopholus similis represent two of most important pests bananas. Previously, colonization plants by non-pathogenic Fusarium oxysporum (isolate V5w2) entomopathogenic Beauveria bassiana WA) have been shown to increase host resistance various diseases. However, there is limited data on how combined inoculation these isolates wo...

Journal: :Water 2022

Lawns achieve environmental, functional, and aesthetical roles in urban environments. The objectives of this research were to assess the effect different salinity levels on Trichoderma isolates study spp. perennial ryegrass under salinity. T. harzianum (ThLem2017-01) atroviride (TaDP2019-01) had a higher mycelium growth rate than (TaDP2019-02) when low. In contrast, isolate at high superior res...

Journal: :دانش گیاه پزشکی ایران 0
شهرام نعیمی سید محمود اخوت محمد جوان نیکخواه لاسلو کردیچ وحید خسروی

samples were collected from soil and as well from phyllosphere of rice plant and subjected to dilution plate technique on rbsf trichoderma selective medium. a total of 202 trichoderma isolates were obtained from rice fields at different geographical locations distributed all over mazandaran province. single spore isolates were obtained and genomic dna extracted from all the isolates using dna e...

Objective: The genus Trichoderma comprises a great number of fungal strains that act as biological control agents, the antagonistic properties of which are based on the activation of multiple mechanisms. Methods: Trichoderma strains exert biocontrol against fungal phytopathogens either indirectly, by competing for nutrients and space, modifying the environmental conditions, or promotin...

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
ساناز چگینی گروه گیاهپزشکی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج. کیوان بهبودی گروه گیاهپزشکی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج. محمد جوان نیکخواه گروه گیاهپزشکی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج. محسن فرزانه گروه کشاورزی، پژوهشکدة گیاهان و مواد اولیۀ دارویی دانشگاه شهید بهشتی، تهران.

in this investigation the effect of trichoderma isolates in inhibition of aspergillus flavus growth and reducing of aflatoxin b1 (afb1) was studied in culture media and pistachio nuts. among trichoderma isolates, t1, t3, t4 and t17 isolates showed significant impact on inhibiting of a. flavus r5growth. t3 and t4 isolates were the most effective isolates, which caused 84.40% and 77.88% reduction...

Journal: :Journal of nematology 1976
H Yang N T Powell K R Barker

Wilt-susceptible cultivar 'Rowden' cotton was inoculated wilh Meloidogyne incognita (N), Trichoderma harzianum (T), and Fusarium oxysporum f. sp. vasinfectum (F) alone and in all combinations in various time sequences. Plants inoculated with F alone or in combination with T did not develop wilt, Simultaneous inoculation of 7-day-old seedlings with all three organisms (NTF) produced earliest wil...

Journal: :Egyptian Journal of Agricultural Research 2021

An attempt was taken for the management of charcoal rot disease soybean caused by Macrophomina phaseolina using integration bio-agent with fungicide and organic amendment. Before going to field experiments, different in-vitro trials were conducted select a virulent isolate M. phaseolina, an effective antagonistic Trichoderma harzianum, suitable Among seven isolates MSP-4 selected as test pathog...

2010
Baharullah Khattak

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...

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