Agronomic performance of table grape cultivars affected by rootstocks in semi-arid conditions

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY
P. Leão, Carlos Roberto Silva de Oliveira
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引用次数: 1

Abstract

The aim of the present study was to investigate the effect of the grape cultivar combined with rootstocks on yield and fruit traits of grapevine in the São Francisco Valley, in the Northeast of Brazil. The experiment was carried out over eight growing seasons (2014 to 2018) in Petrolina, Pernambuco, Brazil. The treatments were represented by five seedless table grape cultivars (A Dona, Arizul, Marroo Seedless, BRS Clara, and BRS Maria Bonita) and six rootstocks (IAC 313, IAC 766, IAC 572, SO4, Harmony, and Paulsen 1103) in a randomized block experimental design with three replicates. Principal component analysis showed that 59.2% of the variation found in the data was related to principal component (PC) 1 (42.76%) associated with the number of bunches and berry weight, length, and diameter variables; and PC 2 (16.4%) correlated with yield per vine. The yield per vine showed a significant positive correlation with number of bunches, bunch length, soluble solids content, and titratable acidity, and showed a negative correlation with berry length. A Dona and Marroo Seedless grapes had the highest yield, regardless of the rootstocks they were grafted onto, whereas BRS Clara had high values for soluble solids content and titratable acidity and a balanced SS/TA ratio. In contrast, BRS Maria Bonita had the lowest yielding grape cultivar, although it had the greatest bunch weight and berry length. The rootstocks affected the agronomic performance of the table grape cultivars in most variables, depending on the effect of different grape cultivars × rootstock combinations.
半干旱条件下砧木对鲜食葡萄品种农艺性能的影响
本研究的目的是研究葡萄品种与砧木组合对巴西东北部奥弗朗西斯科山谷葡萄产量和果实性状的影响。该实验在巴西伯南布哥州的彼得里纳进行了八个生长季节(2014年至2018年)。采用随机区组试验设计,采用3个重复,5个无核鲜食葡萄品种(A Dona、Arizul、Marroo无核葡萄、BRS Clara和BRS Maria Bonita)和6个砧木品种(IAC 313、IAC 766、IAC 572、SO4、Harmony和Paulsen 1103)。主成分分析表明,59.2%的变异与主成分(PC) 1(42.76%)有关,主成分(PC) 1与串数和果实重、长、径相关;pc2与单株产量相关(16.4%)。单株产量与串数、串长、可溶性固形物含量、可滴定酸度呈极显著正相关,与果实长度呈极显著负相关。无论嫁接到何种砧木上,A Dona和Marroo无籽葡萄的产量最高,而BRS Clara的可溶性固形物含量和可滴定酸度较高,SS/TA比值平衡。相比之下,BRS Maria Bonita是产量最低的葡萄品种,尽管它有最大的串重和浆果长度。砧木对鲜食葡萄品种农艺性能的影响在大多数变量上均存在差异,这主要取决于不同葡萄品种×砧木组合的效果。
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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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