亚热带高原栽培梨品种的生产稳定性

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY
R. Pio, D. Farias, P. M. Peche, Rayane Barcelos Bisi, Lucídio Henrique Vote Fazenda, Alexandre Dias da Silva
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引用次数: 0

摘要

本研究的目的是在热带环境条件下,筛选具有生产稳定性的梨品种。试验设计为11个梨品种的随机区组,4个重复,地块4株。2015 - 2019年,以花期、盛花期、末花期和收获期为指标,进行物候学评价。对单株数量、平均果质量、单株产量和估计产量进行了量化。在最后一年的评价中,通过果实的长度和平均直径、总可滴定酸度、总可溶性固形物含量和总可溶性固形物/总可滴定酸度比来量化果实的质量。数据采用Scott-Knott分组检验,并采用遗传距离来量化品种间的差异。在检测到基因型与环境之间的显著交互作用后,利用GGE双标图方法对梨品种的表型稳定性进行了分析。“Tenra”、“Triunfo”和“Seleta”品种最适合在亚热带气候地区种植。它们在遗传上相似,适应性更强,稳定性更强,并且完全或部分同步开花以获得令人满意的生产力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Production stability of pear cultivars for cultivation in the subtropical altitude climate
: The aim of this study was to select pear cultivars with production stability for the environmental conditions in the tropics. The design was in randomized blocks with 11 cultivars of pear, four replications and plots consisting of four plants. Between 2015 and 2019, the phenological were evaluated based on the beginning, full bloom, end and duration of flowering and harvest. The number and average fruit mass, yield per plant and estimated yield were also quantified. In the last year of evaluation, the quality of the fruits was quantified through the length and average diameter of the fruits, total titratable acidity, total soluble solids content and total soluble solids / total titratable acidity ratio. The data were submitted to the Scott–Knott grouping test and to quantify the divergence between cultivars was used the genetic distance. After detecting significant interaction between genotypes × environments, phenotypic stability of pear cultivars were analyzed by GGE Biplot methods for the estimated yield variable. The ‘Tenra’, ‘Triunfo’ and ‘Seleta’ cultivars are the most suitable for cultivation in regions with subtropical altitude climate. They are genetically similar, more adapted and stable, and have full or partial synchronized flowering for satisfactory productivity.
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来源期刊
Bragantia
Bragantia AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
2.40
自引率
8.30%
发文量
33
审稿时长
4 weeks
期刊介绍: Bragantia é uma revista de ciências agronômicas editada pelo Instituto Agronômico da Agência Paulista de Tecnologia dos Agronegócios, da Secretaria de Agricultura e Abastecimento do Estado de São Paulo, com o objetivo de publicar trabalhos científicos originais que contribuam para o desenvolvimento das ciências agronômicas. A revista é publicada desde 1941, tornando-se semestral em 1984, quadrimestral em 2001 e trimestral em 2005. É filiada à Associação Brasileira de Editores Científicos (ABEC).
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