Heavy metals are important environmental pollutants because of their toxicity, ecological, evolutionary, environmental, nutritional, and is considered as a major problem. Many studies have shown that plants inoculated with mycorrhizal fungi and the use of hormone Brassi
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Heavy metals are important environmental pollutants because of their toxicity, ecological, evolutionary, environmental, nutritional, and is considered as a major problem. Many studies have shown that plants inoculated with mycorrhizal fungi and the use of hormone Brassinosteroids increased resistance of plants to heavy metals. In this study, the effect of mycorrhiza Glomus mosseae and 24-epibrassinolid (10-6 µM) on anise resistance to the stress of cadmium chloride (0, 100, 200 and 800 ppm) were compared. The results showed that cadmium reduced percentage of root mycorrhizal colonization, chlorophyll a, chlorophyll b and total chlorophyll, chlorophyll biosynthesis pathway intermediates containing protoporphyrin IX, magnesium protoporphyrin IX, Protochlorophilid, chlorophilid a and chlorophilid b and carotenoids in the anise plant. Plants pretreatment with brassinosteroid, plants inoculated with mycorrhizal fungi Glomus mosseae and interaction brassinosteroid and Glomus mosseae increased the amount of the compounds of cadmium chloride concentrations were 100 and 200 ppm. Therefore it can be concluded that Brassinosteroids and mycorrhizal fungi in the this concentrations on plant resistance and mechanisms of photosynthesis have a positive role and plant resistance to cadmium toxicity in this plant.
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