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Productivity of maize and enzymes activity carbohydrate metabolism with foliar fertilizers containing water shale

Author(s): João Peterson Pereira Gardin et al.

Journal: Evidência : Ciência e Biotecnologia - Interdisciplinar
ISSN 1519-5287

Volume: 11;
Issue: 2;
Start page: 83;
Date: 2011;
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Keywords: Alternative Inputs | Secondary Metabolism | Induction of Resistance | Phytoalexin | Shikimic Acid | Enzymes

Brazilian agriculture has sought new supplies and materials to ensure the sustainability and sovereignty of the country. Thus, there is also interest in the search for appropriate fertilizers to different production systems. The water shale (AX) constitutes one of the products of industrial processing of shale, sedimentary rock of Permian age, with features to meet this demand. Thus, in order to evaluate the efficiency of use of such product on the grain yield of corn and enzyme activity, an experiment was conducted with application of foliar fertilizers based on AX and combined with various nutrients.The experimental design was randomized blocks with four replications. The treatments were: 1) control (without fertilization leaf), 2) AX + micronutrients, 3) and commercial foliar fertilizer 4) AX. The starch content in corn kernels wereshown to be influenced by foliar fertilization performed. From a physiological standpoint, the highest grain yield seems tobe associated with the synthesis and accumulation of starch and the activity of sucrose synthase (SuSy).
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