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Production and Quality of ‘Smooth Cayenne’ Pineapple as Affected by Nitrogen Fertilization and Types of Plantlets in the Northern Region of Rio de Janeiro State, Brazil
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Production and Quality of ‘Smooth Cayenne’ Pineapple as Affected by Nitrogen Fertilization and Types of Plantlets in the Northern Region of Rio de Janeiro State, Brazil
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Production and Quality of ‘Smooth Cayenne’ Pineapple as Affected by Nitrogen Fertilization and Types of Plantlets in the Northern Region of Rio de Janeiro State, Brazil
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Journal Article
Production and Quality of ‘Smooth Cayenne’ Pineapple as Affected by Nitrogen Fertilization and Types of Plantlets in the Northern Region of Rio de Janeiro State, Brazil
2026
Overview
This study evaluated the effects of nitrogen fertilization and different types of planting material on the yield and fruit quality of pineapple (Ananas comosus var. comosus) cv. Smooth Cayenne under the edaphoclimatic conditions of the Northern region of Rio de Janeiro State, Brazil. The experiment was conducted in a randomized block design, arranged in a factorial scheme with four nitrogen rates, six types of planting material, and two harvest seasons (winter and summer). Based on the results, it can be inferred that slips provided higher yields and heavier fruits, whereas plants derived from crowns and suckers showed lower productivity. Increasing nitrogen rates promoted greater fruit mass and length, higher pulp percentage, and increased production of vegetative propagules. Fruits harvested in the summer showed higher soluble solids content (15.5 °Brix), greater pulp and juice percentages, and lower titratable acidity, which are desirable characteristics for fresh consumption. Despite the seasonal differences, fruit mass ranging from 1.5 to 2.0 kg met commercial standards for both processing and domestic markets. The soluble solids/titratable acidity ratio (15.8) was below the ideal range for fresh consumption. The combination of appropriate planting material and nitrogen fertilization contributes to higher production efficiency, cost reduction, and improved fruit quality.
