Extração de macronutrientes e avaliação bioquímica em progênies de cupuaçuzeiro [(Theobroma grandiflorum (Willd. ex. Spreng.) Schum)].

Abstract

The cupuaçu [(Theobroma grandiflorum (Willd. ex. Spreng.) Schum)] is a typical tree species of the eastern Brazilian Amazon, belongs to the family Malvaceae, found in wild or cultivated state. Currently disseminated throughout the northern region, where it occurs throughout the Amazon Basin and northern Maranhão and reaches other states. The increased production is needed to meet the demands of the market, but any production is related to knowledge of the nutritional requirements for macronutrients and the effect thereof in the production of carbohydrates, amino acids, sucrose, starch and total soluble proteins in order to increase production. Therefore, this research is focused on the study of two brothers progeny means cupuassu PMI 186 (Codajás) and PMI 215 (Manacapuru) for four years. The experiment was conducted at the Embrapa Amazônia Oriental, in a completely randomized design with factorial arrangement triple (two progenies, 4 years, 4 organs) design. Statistical analysis was based on the interactions of the variance at Sisvar Software, version 5.0, in the study of average and regression testing. The progeny 215 concentrates and accumulates more macronutrients, amino acids, sucrose, carbohydrate, total soluble protein and starch; both progenies concentrate and accumulate macronutrienetes and biochemical assimilated in descending order N> K> Mg> P> Ca> S and Amino acid > Sucrose> Carbohydrates> Total soluble proteins> Starch.