Effect of Foliar Calcium Fertilization on Fruit Quality, Cell Wall Enzyme Activity and Expression of Key Genes in Chinese Cherry

IF 2.4 3区 农林科学 Q2 HORTICULTURE International Journal of Fruit Science Pub Date : 2023-10-27 DOI:10.1080/15538362.2023.2265656
Yongfei Wu, Xuelian Yang, Xia Wang, Li Yan, Xiaojing Hu, Manjing Lian
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Abstract

Chinese cherries are early flowering and early fruiting, with both edible and ornamental values. This study aims to explore the effects of pre-harvest spraying with different concentrations of CaCl2, amino acid calcium, and sugar alcohol calcium on the quality of Chinese cherry and the expression of genes related to cell wall softening. The goal is to identify suitable calcium-based agents for pre-harvest spraying on Chinese cherry. The results of the study demonstrated that all three exogenous calcium treatments significantly increased the mineral content compared to the control group. Moreover, these treatments also led to a significant increase in various fruit quality parameters such as hundred fruit weight, firmness, soluble solid, soluble sugar, titratable, vitamin C, soluble protein, β-Carotene content and superoxide dismutase, peroxidase activities. Additionally, they were found to effectively reduce rot rate, polyphenol oxidase activity, malondialdehyde content and relative conductivity. The activity of pectin methylesterase, polygalacturonase, cellulase and β-galactose was reduced by amino acid calcium and sugar alcohol calcium. All three types of exogenous calcium down-regulated the expression of PME and ChCaBP1. Additionally, amino acid calcium and sugar alcohol calcium decreased the expression of PG, Cx, and BGal. Exogenous calcium reduces the size of stomata in the fruit epidermis, leading to a decrease in both fruit respiration rate and transpiration. Of the three calcium preparations, amino acid calcium and sugar alcohol calcium were more effective than CaCl2, with 0.12 g·L−1sugar alcohol calcium and 0.06 g·L−1 amino acid calcium being the most effective.
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叶面补钙对樱桃果实品质、细胞壁酶活性及关键基因表达的影响
中国樱桃开花早,结果早,具有食用和观赏价值。本研究旨在探讨采前喷洒不同浓度CaCl2、氨基酸钙和糖醇钙对樱桃果实品质及细胞壁软化相关基因表达的影响。目的是确定适合采前喷洒的钙基药剂。研究结果表明,与对照组相比,三种外源钙处理均显著增加了矿物质含量。此外,这些处理还显著提高了百果重、硬度、可溶性固形物、可溶性糖、可滴定物、维生素C、可溶性蛋白、β-胡萝卜素含量和超氧化物歧化酶、过氧化物酶活性等果实品质参数。此外,它们还能有效降低腐烂率、多酚氧化酶活性、丙二醛含量和相对电导率。氨基酸钙和糖醇钙降低了果胶甲基酯酶、聚半乳糖酶、纤维素酶和β-半乳糖的活性。三种外源钙均下调PME和ChCaBP1的表达。此外,氨基酸钙和糖醇钙降低PG、Cx和BGal的表达。外源钙降低了果实表皮气孔的大小,导致果实呼吸速率和蒸腾速率降低。三种钙制剂中,氨基酸钙和糖醇钙的效果均优于CaCl2,其中0.12 g·L−1糖醇钙和0.06 g·L−1氨基酸钙的效果最好。
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来源期刊
International Journal of Fruit Science
International Journal of Fruit Science Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
6.40
自引率
0.00%
发文量
64
审稿时长
10 weeks
期刊介绍: The International Journal of Fruit Science disseminates results of current research that are immediately applicable to the grower, extension agent, and educator in a useful, legitimate, and scientific format. The focus of the journal is on new technologies and innovative approaches to the management and marketing of all types of fruits. It provides practical and fundamental information necessary for the superior growth and quality of fruit crops. This journal examines fruit growing from a wide range of aspects, including: -genetics and breeding -pruning and training -entomology, plant pathology, and weed science -physiology and cultural practices -marketing and economics -fruit production, harvesting, and postharvest
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