Rootstock and potassium fertilization, in terms of phenology, thermal demand and chemical evolution, of berries on Niagara Rosada grapevine under subtropical conditions

IF 1.2 4区农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY

Bragantia Pub Date : 2022-01-01 DOI:10.1590/1678-4499.20210245

Daniel Callili, Marlon Jocimar Rodrigues da Silva, Camilo André Pereira Contreras Sánchez, Charles Yukihiro Watanabe, Bruno Marcos de Paula Macedo, Francisco José Domingues Neto, L. Teixeira, M. A. Tecchio

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引用次数: 5

Abstract

: This study aimed to assess the effect of rootstocks (IAC 572 and IAC 766) and potassium fertilization at different concentrations (0, 75, 150 and 300 kg·ha -1 K 2 O) on the phenology and thermal demand of the Niagara Rosada grapevine, and to evaluate the development of chemical traits during maturation stage. The length of the main phenological stages was recorded within two production seasons. Total thermal demand was calculated using the degree-day concept. The berries’ titratable acidity and soluble solids contents were determined during maturation. Results indicated that IAC 572 and IAC 766 rootstocks along with potassium fertilization had no influence on the phenological cycle or thermal demand of the Niagara Rosada grapevine. The production cycle lasted 144 to 148 days with thermal demands ranging from 1,465.2 to 1,615.1 degree-days. For better grape quality, i.e

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亚热带条件下尼亚加拉罗萨达葡萄砧木和钾肥对果实物候、热需求和化学演化的影响

摘要:本研究旨在探讨砧木(IAC 572和IAC 766)和不同钾肥(0、75、150和300 kg·ha -1 k2o)对尼亚加拉罗萨达葡萄物候和热需求的影响，并评价其成熟期化学性状的发展。主要物候期的长度记录在两个生产季节内。总热需求采用度日概念计算。在成熟过程中测定了浆果的可滴定酸度和可溶性固形物含量。结果表明，IAC 572和IAC 766砧木配施钾肥对尼亚加拉罗萨达葡萄物候循环和热需求没有影响。生产周期为144 ~ 148 d，热需求范围为1465.2 ~ 1615.1℃。为了更好的葡萄品质，即

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来源期刊

Bragantia AGRICULTURE, MULTIDISCIPLINARY-

CiteScore

2.40

自引率

8.30%

发文量

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).