نتایج جستجو برای: biological agents

تعداد نتایج: 794797  

2005
Dean E. Pearson Ragan M. Callaway

Classical biological control of weeds currently operates under the assumption that biological control agents are safe (i.e., low risk) if they do not directly attack nontarget species. However, recent studies indicate that even highly host-speciWc biological control agents can impact nontarget species through indirect eVects. This Wnding has profound implications for biological control. To bett...

Journal: :journal of research in medical sciences 0
ghadamali khodarahmi parvin asadi farshid hassanzadeh elham khodarahmi

benzofuran as an important heterocyclic compound is extensively found in natural products as well as synthetic materials. since benzofuran drivatives display a diverse array of pharmacological activities, an interest in developing new biologically active agents from benzofuran is still under consideration. this review highlights recent findings on biological activities of benzofuran derivatives...

بختیاری, مرتضی, براتی, محمد, خداداد, امیر,

Introduction: Due to the fact that there is the possibility of using biological agents in biological warfare, the current article deals with the awareness and readiness of our armed forces to prevent the development of these factors and total elimination of pathogens. Methods and Materials: This article is a review article obtained by searching on different sites such as SID, Google scholar,...

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