HEALTH AND QUALITY OF ZINC COATED WHEAT SEEDS DURING STORAGE SANIDADE E QUALIDADE DE SEMENTES DE TRIGO RECOBERTAS COM ZINCO DURANTE O ARMAZENAMENTO

The objective was to evaluate the effect of seed wheat coated with zinc, in its physiological, sanitary attributes and enzyme quality, during storage. We used two batches of seed, for seed treatment, we used commercial product as a source of zinc in the form of ZnSO 4 , along with fungicide and polymer. It was tested for levels 0, 1, 2, 3 and 4 mL ZnSO 4 kg -1 seed. The physiological quality, during the storage period, was analyzed by the tests: moisture content, hectoliter weight, germination, emergence, index emergence rate, tetrazolium and sanity test. It was concluded that the doses 3 mL and 4 mL of ZnSO 4 to assist in the ultimate expression of the seeds physiological quality, until six months stocked. This coating promotes a smaller reduction in the viability of seeds, furthermore, results in a lower incidence of fungi on seeds during storage. Also help to maximize the expression of physiological seed quality of higher and lower quality, respectively. The micronutrient zinc associated with fungicide and polymer had a lower incidence of fungi during the storage period.