The increase of environmental pollutants especially heavy metals derives from human industrial communities. Zinc is one of the natural elements that exist in biotic environment, plants body, and animals in different forms. Zinc has toxic and lethal effects in high concentrations on plants. Also some plants are introduced as accumulators of this element. Therefore, an investigation was carried o...

damping-off of seedling is a major disease of cotton in iran. disease may become epidemic in soil with low temperature and high moisture if seed treatment isn’t done. recently, trichoderma spp. are considered as one of the biological control methods of seedling damping-off. one proposed mechanism for biocontrol in trichoderma spp. is stimulation of host defense responses and induction of resist...

Tumor growth can cause antioxidant disturbances in certain tissues of the tumor host. So, we examined the antioxidant system as a possible mechanism through which Neem leaves preparation (NLP) exerts its oncostatic potential. Female Swiss Albino mice were inoculated intramuscularly in the right thigh with Ehrlich ascites carcinoma (EAC) cells. NLP (500 mg/kg body weight) was injected for 20 day...

in this study, the effect of salicylic acid (sa) on root knot nematode (meloidogyne javanica) pathogenicity and induction of some defense mechanisms such as polyphenol oxidase enzyme activity and total phenol accumulation were investigated in greenhouse conditions. we demonstrated that application of 5mm salicylic acid through foliar spray could induce resistance against m. javanica in tomato. ...

We inoculated Tuber aestivum and sinoaestivum on Carya illinoinensis to explore the effects of inoculation host plant growth, enzyme activities, physicochemical properties rhizosphere soil, denitrifying bacterial community in rhizosphere, distribution mating type genes rhizosphere. found that spp. increased height stem circumference was greater two months after inoculation. Six inoculation, per...

Infection of soybean root hairs by Bradyrhizobium japonicum is the first of several complex events leading to nodulation. In the current proteomic study, soybean root hairs after inoculation with B. japonicum were separated from roots. Total proteins were analyzed by two-dimensional (2-D) polyacrylamide gel electrophoresis. In one experiment, 96 protein spots were analyzed by matrix-assisted la...

Zika virus (ZIKV) crosses the placenta and causes congenital disease. Here we develop an animal model utilizing direct ZIKV inoculation into the uterine wall of pregnant, immunocompetent mice to evaluate transplacental transmission. Intrauterine inoculation at embryonic day (E) 10, but not E14, with African, Asian or American strains of ZIKV reduces fetal viability and increases infection of pl...

fusarium wilt disease is one of the major plant diseases that affect melon production. in this study a total of 23 landraces and breeding lines of melon were collected from different regions of iran planted in a randomized complete block design with three replications and were studied to find new sources of resistant ones in the tray contained clay, pith mass and perlite in greenhouse. the root...