EFFECT OF BIOFERTILIZATION ON YELLOW PASSION FRUIT PRODUCTION AND FRUIT QUALITY
2017
ANA VERÔNICA MENEZES DE AGUIAR | LOURIVAL FERREIRA CAVALCANTE | ROSEANO MEDEIROS DA SILVA | TONY ANDRESON GUEDES DANTAS | ELIZANGELA CABRAL DOS SANTOS
This study aimed at evaluating the effects of bovine biofertilizer on passion fruit production and fruit quality. We carried out an experiment in the city of Nova Floresta, Paraíba State, Brazil. It was carried out in a randomized block design with three replications and three plants per plot. We adopted a 3 x 5 factorial scheme, which evaluated three passion fruit genotypes and five cattle biofertilizer doses. The assessed genotypes consisted of a local one (Guinezinho - LG) and two hybrids (BRS Gigante Amarelo - GA and BRS Sol do Cerrado - SC). We applied five rates of cattle biofertilizer (B) monthly at a constant volume of 5 L plant-1, after diluting in irrigation water (W) at an electrical conductivity of 1.4 dS m-1. The evaluated rates were 0% (100% irrigation water - 0B + 5W), 10% (1B + 9W), 20% (2B + 8W), 30% (3B + 7W) and 40% (4B + 6W). Every week, we sampled, counted and weighed fruit to gather data on fruit number per plant, pant production, and yield. At peak production, we also sampled two fruit randomly from each plot floor area. These fruits were used for determinations of the average mass in fruit, peel and pulp (seeds + juice), peel thickness, fruit diameter and length, pulp yield, soluble solid content, titratable acidity, vitamin C, pH and pulp electrical conductivity. As a result, we observed that the biofertilizer did not compromise both LG and GA production capacity. Overall, the biofertilizer doses provided quality characteristics superior to those required by the fruit market.
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