Production of pear cv. ‘Triunfo’ under irrigation systems and depths in the sub-middle São Francisco region

Pub Date : 2023-09-01 DOI:10.1590/1983-21252023v36n315rc

Victor H. F. Gomes, W. L. Simões, M. S. Garrido, P. Lopes, Jucicléia S. da Silva

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Abstract

ABSTRACT Aiming at the search for a new alternative for the sustainability of the properties in the irrigated areas of the Brazilian Northeast, the objective of this study was to identify the ideal irrigation system and depth for a better yield and quality of pear fruits in the Sub-middle São Francisco region. The experiment was conducted in the commercial orchard of the Frutos do Sol farm, located in the municipality of Petrolina, PE, Brazil, from October 2016 to November 2017. The treatments consisted of four irrigation depths (60; 80; 100 and 120% of crop evapotranspiration - ETc), under two irrigation systems (drip and micro-sprinkler), in two crop cycles of ‘Triunfo’ pear. Yield, average fruit weight, water productivity, pulp firmness and titratable acidity, total soluble solids and lightness of the fruits were analyzed. Irrigation depths of 96.04% and 94.84% ETc promote, respectively, the highest marketable yields for the first (43.48 t ha-1) and second (26.55 t ha-1) cycle of ‘Triunfo’ pear in the Brazilian semi-arid region. Drip irrigation system in the warmer period promotes higher yield. The cultivation of ‘Triunfo’ pear irrigated by drip and micro-sprinkler promotes fruits with good commercial quality in the Brazilian semi-arid region.

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在São Francisco亚中部地区灌溉系统和深度下生产“Triunfo”梨

摘要：本研究旨在为巴西东北部灌溉区的特性可持续性寻找一种新的替代方案，目的是确定理想的灌溉系统和深度，以提高旧金山次中部地区梨果的产量和质量。实验于2016年10月至2017年11月在位于巴西PE州佩特罗利纳市的Frutos do Sol农场的商业果园中进行。在“Triunfo”梨的两个作物周期中，在两个灌溉系统（滴灌和微型喷灌）下，处理包括四个灌溉深度（作物蒸散量的60%、80%、100%和120%）。分析了果实的产量、平均果重、水分生产率、果肉硬度和可滴定酸度、可溶性固形物总量和亮度。96.04%和94.84%ETc的灌溉深度分别促进了巴西半干旱地区‘Triunfo’梨第一个（43.48吨/公顷-1）和第二个（26.55吨/公顷-2）周期的最高市场产量。温暖时期的滴灌系统可提高产量。在巴西半干旱地区，通过滴灌和微型洒水器灌溉的“Triunfo”梨种植，可以获得具有良好商业品质的果实。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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