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vol.39 número5LARANJEIRA ‘JAFFA’ SOBRE CINCO PORTA-ENXERTOSDURAÇÃO DA FASE VEGETATIVA DO MORANGUEIRO É DETERMINADA PELO ANO DE CULTIVO índice de autoresíndice de assuntospesquisa de artigos
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Revista Brasileira de Fruticultura

versão impressa ISSN 0100-2945versão On-line ISSN 1806-9967

Resumo

ADRIANO-ANAYA, LOURDES et al. A CYCLE OF ORGANIC FERTILIZATION OF CASHEW TREES IMPROVES THE YIELD AND QUALITY OF THE PRODUCTS. Rev. Bras. Frutic. [online]. 2017, vol.39, n.5, e-674.  Epub 18-Dez-2017. ISSN 0100-2945.  http://dx.doi.org/10.1590/0100-29452017674.

This study aimed to evaluate the effect of organic fertilizers on production and quality of fruits and pseudo fruits on adult trees of Anacardium occidentale L. by a productive cycle. We established three treatments; organic fertilization (BIO), synthetic fertilization (SF), and unfertilized (UF). The number of panicles m-3, number of flowers per panicle and the number of fruits m-3 in the trees was measured. After harvest, physicochemical analyses were performed to fruits and pseudo fruits. Although the SF treatment promoted a greater number of panicles per unit leaf area (P < 0.05) on the other treatments, the yield (measured both as the amount of fruit-pseudo fruit m-3) was the same (P > 0.05) with BIO treatment. However, the amount of fruit (main marketed product) was higher in BIO (1.80 kg tree-1) compared to the other two treatments (SF = 1.35; UF = 1.09). The BIO treatment increased by 81% polyphenol content compared to unfertilized treatment. Similarly, fat content and titratable acidity were higher in BIO, compared to treatments without fertilization and synthetic fertilization (P < 0.05). It was demonstrated that the application of biofertilizer in a production cycle increases fruit production and modifies the chemical composition of seeds.

Palavras-chave : TSS; lipids; antioxidant activity; Anacardium occidentale L.; biofertilizers.

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