Calcium applications on ‘Fuji Suprema’ and ‘Maxi Gala’ apple trees: fruit quality at harvest and after cold storage

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY
L. Hahn, Denimar Luiz Suzin, L. Argenta, T. L. Tiecher, F. Thewes, J. M. Moura-Bueno, G. Brunetto
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引用次数: 1

Abstract

: The aim of this study was to evaluate the effect of new Ca sources sprayed on ‘Fuji Suprema’ and ‘Maxi Gala’ apple trees on nutrient levels in leaves and fruit, as well as on fruit ripening features and quality at harvest time and after cold storage. Experiments were carried out in a commercial orchard planted with ‘Fuji Suprema’ and ‘Maxi Gala’ apple trees in Caçador, Santa Catarina state, Brazil. Application of different Ca sources and untreated trees were evaluated in each experiment. Fruit were harvested at two different ripening stages and analyzed based on the following variables: fruit ripening at harvest time, as well as fruit quality and incidence of physiological disorders after 210-day storage at 1 °C. Calcium applications did not change Ca levels in the leaves and of the whole fruit. Calcium levels in fruit peel increased in cultivars Maxi Gala and Fuji Suprema due to leaf Ca applications. ‘Maxi Gala’ apples recorded higher postharvest incidence of physiological disorders, such as greater loss of fruit firmness than ‘Fuji Suprema’ apples (Due to 1-methylcyclopropene [1-MCP] application on ‘Fuji Suprema’ apples). Calcium applications did not change fruit maturation (starch index and pulp firmness) or apple pulp firmness preservation in both cultivars, although they reduced the incidence of bitter pit disorder in ‘Maxi Gala’ apples. The new sources of Ca tested did not increase Ca contents, nor did they reduced the risk for physiological disorder compared to the standard CaCl 2 treatment that has been commercially used for decades as the main Ca fertilizer.
在“富士superma”和“Maxi Gala”苹果树上施用钙:收获时和冷藏后的果实质量
摘要:本研究旨在评价在“富士上士”和“马西伽拉”苹果树上喷施新型钙源对苹果树叶片和果实营养水平、收获期和冷藏后果实成熟特征和品质的影响。实验是在巴西圣卡塔琳娜州卡帕拉多尔的一个商业果园里进行的,果园里种植了“富士至上”和“Maxi Gala”苹果树。每个试验对不同钙源和未处理树木的施用进行了评价。在两个不同的成熟期采收果实,并根据以下变量进行分析:采收时果实的成熟度,以及在1°C下储存210 d后的果实品质和生理失调发生率。施用钙没有改变叶片和整个果实的钙含量。由于叶片钙的施用,大喜嘎拉和富士上等品种果皮中的钙含量增加。“Maxi Gala”苹果的采后生理失调发生率高于“Fuji Suprema”苹果,如果实硬度损失更大(由于1-甲基环丙烯[1-MCP]应用于“Fuji Suprema”苹果)。在两个品种中,施用钙并没有改变果实成熟度(淀粉指数和果肉硬度)或苹果果肉硬度保存,尽管它们降低了' Maxi Gala '苹果的苦核病发病率。与几十年来一直作为主要钙肥在商业上使用的标准氯化钙处理相比,测试的新钙来源既没有增加钙含量,也没有降低生理失调的风险。
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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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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