نتایج جستجو برای: enhancing biological control

تعداد نتایج: 1815061  

Journal: :journal of agricultural science and technology 2012
h. ahari mostafavi s. m. mirmajlessi n. safaie v. minassyan h. fathollahi

fusarium solani wasisolated from diseased roots of common bean (phaseolus vulgaris) grown in fields which were severely infected with fusarium root rot of bean in markazi province of iran. specific pcr primer pairs were used for the identification and verification of f. solani (mart.) f.sp. phaseoli (burkholder) w.c. snyder and n.h. hans. spore suspensions of f. solani f.sp. phaseoli were subje...

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

effects of induced mutation via gamma irradiated with 250 gy dose (in nuclear agriculture research school- nuclear science and technology research institute) on trichoderma harzianum conidiaon chitinase activity by sts molecular marker have been evaluated in this study. among 20 irradiated mutants which selected via improved antagonistic capability against rhizoctonia solani, pcr amplified chit...

Journal: :journal of crop protection 2015
samad jamali farzaneh ghasemi

among fungi, species of the genus paecilomyces are considered as promising biological control agents with high potential to reduce root-knot nematode (rkn) and other nematode populations. in this research we investigated a soil hyphomycetes, paecilomyces marquandii and its pathogenicity on eggs of rkn in vitro. in greenhouse test, root weight, plant length, fresh weight and dry weight of plants...

Journal: :jundishapur journal of microbiology 0
estibaliz sansinenea faculty of chemical sciences, meritorious autonomous university of puebla, mexico; faculty of chemical sciences, meritorious autonomous university of puebla, mexico. tel: +52-2222295500, fax: +52-222229558 francisco salazar faculty of chemical sciences, meritorious autonomous university of puebla, mexico melanie ramirez faculty of chemical sciences, meritorious autonomous university of puebla, mexico aurelio ortiz faculty of chemical sciences, meritorious autonomous university of puebla, mexico

background bacillus thuringiensis is the most successful biological control agent used in agriculture, forestry and mosquito control. however, the insecticidal activity of the b. thuringiensis formulation is not very stable and rapidly loses its biological activity under field conditions, due to the ultraviolet radiation in sunlight. melanin is known to absorb radiation therefore photo protecti...

Journal: :زیست شناسی جانوری تجربی 0
حمید درویش نیا عضو هیات علمی، گروه زیست شناسی، دانشگاه پیام نور، صندوق پستی 3697-19395 تهران، ایران

abstract since amphibians feeds on insects, they have crucial role in controlling the population of pests in various ecosystems. although their importance is clear, but systematics and biodiversity of them has been poorly studied. the aim of this research, conducted in 2014, is to identify amphibians of talesh township and their biological roles in pest control. sampling procedure has been done...

Journal: :Biochemistry and Molecular Biology Education 2008

Journal: :South African Computer Journal 2004
Martin S. Olivier

Privacy-enhancing technologies can be used to enhance the privacy of individuals who interact with information processing systems. This paper considers such technologies that can be used by the organisation to safeguard personal information it processes. The paper focuses on how access control could be used to protect the individual against misuse of personal data inside the organisation. More ...

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