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The postharvest fruit quality responses of four plantain genotypes ('29525', '30456-3', 'PITA 14' and Agbagba) to fertilizer types (inorganic fertilizer, organic fertilizer and control (no fertilizer) were evaluated in 2006/2007 and 2007/2008 cropping seasons. The experimental design was a 4 x 3 factorial in randomized block design with three replications. There were significant differences (P<0.05) among the genotypes for fruit weight, edible proportion of fruits, pulp and peel dry matter contents, pulp colour rating and fruit ripening pattern. The mean over the two cycles showed that Agbagba had the heaviest fruit, edible proportion of fruits, pulp and peel dry matter contents. Agbagba and 'PITA 14' had the highest degree of lightness, redness and yellowness while fruit shelf life was longest in '29525'. The fertilizer type was not significant for most of the traits except edible proportion of fruits, pulp dry matter content and pulp degree of yellowness. Fertilizer types reduced the pulp degree of yellowness. The heaviest fruits and longest fruit shelf life were observed when organic fertilizer (poultry manure) was applied to Agbagba and '29525,' respectively.

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An investigation was undertaken to determine the fruit and juice metric traits of fresh fruits obtained from two yellow passion fruit genotypes grown in south-eastern Nigeria in two seasons. The passion fruit genotypes (Conventional and KPF-4) received 0, 10, 20, 30, 40 t ha-1 poultry manure (PM) rates in 2014 and 0, 10, 20 t ha-1 PM, 5 t ha-1 PM + 200 kg ha-1 NPK 15:15:15, 10 t ha-1 PM + 200 kg ha-1 NPK and 400 kg ha-1 NPK in 2016. Ten ripe and freshly dropped fruits in 2015 and 2017 were picked and taken to the laboratory. Fruit and juice metric traits (such as fruit length, circumference, pulp weight, juice volume and weight) were measured. Data collected were subjected to analysis of variance following the procedure for split-plot experiment in completely randomized design. KPF-4 significantly (p<0.05) produced longer, wider and heavier fruits than the Conventional in 2015 whereas in 2017 all the fruit metric traits did not significantly (p>0.05) differ between the genotypes. Juice volume (682 ml) and pulp fresh weight (942 g) in 2015 were significantly highest in the Conventional when they received 20 or 40 t ha-1 PM. Application of 10 t ha-1 PM + 200 kg ha-1 NPK in 2016 enhanced the production of highest juice volume (723 ml) and pulp fresh weight (770 g) in the Conventional. Juice percentage and fruit metric traits of yellow passion fruit could be enhanced with the application 20 t ha-1 PM, considering lesser cost of PM procurement, or combined application of 10 t ha-1 PM + 200 kg ha-1 NPK.