Exogenous application of salicylic acid regulates antioxidant enzyme activities and quality attributes of Umran ber (Ziziphus mauritiana) fruits under cold storage

IF 0.3 4区农林科学 Q4 AGRICULTURE, MULTIDISCIPLINARY Indian Journal of Agricultural Sciences Pub Date : 2023-09-26 DOI:10.56093/ijas.v93i9.133234

ANIL SHARMA, HARSIMRAT KAUR BONS

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Abstract

The present study was carried out to observe the influence of pre-harvest application of salicylic acid (1, 2 and 3 mM) on shelf life and quality attributes of ber fruits cv. Umran (Ziziphus mauritiana Lamk.) under cold storage conditions (7.5±10C and 90–95% RH). The cold-stored fruits were assessed for various physico-chemical attributes and enzymatic activities at 7 days interval up to 28 days of storage. Above study revealed that fruits treated with salicylic acid @3 mM resulted in reduced physiological loss in fruit weight, spoilage and increased firmness, soluble solids content, antioxidant activity and carotenoids. Furthermore, it suppressed activities of cell wall degrading enzymes like PG, PPO, PME and increased the activity of superoxide dismutase peroxidase and catalase enzymes. It was concluded that pre-harvest spray of salicylic acid @3 mM was more effective in regulating enzymatic activities, thereby improving quality attributes and shelf life of ber fruits up to 21 days at cold storage.

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外源施用水杨酸对冷库条件下毛里沙枣果实抗氧化酶活性和品质性状的影响

研究了采前施用水杨酸(1、2、3 mM)对其果实贮藏期和品质性状的影响。Umran (Ziziphus mauritiana Lamk.)在冷藏条件下(7.5±10℃，90-95% RH)。对冷藏后果实的理化特性和酶活性进行了测定，测定间隔7天至28天。上述研究表明，用@3 mM水杨酸处理的果实减少了果实重量和腐败的生理损失，增加了硬度、可溶性固形物含量、抗氧化活性和类胡萝卜素。抑制PG、PPO、PME等细胞壁降解酶的活性，提高超氧化物歧化酶、过氧化物酶和过氧化氢酶的活性。综上所述，采前喷施@3 mM水杨酸能更有效地调节酶活性，从而提高果实的品质属性和冷藏保存期，保存期可达21 d。

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来源期刊

Indian Journal of Agricultural Sciences 农林科学-农业综合

CiteScore

0.80

自引率

25.00%

发文量

273

审稿时长

6 months

期刊介绍： The Indian Journal of Agricultural Sciences publishes papers concerned with the advancement of agriculture throughout the world. It publishes original scientific work related to strategic and applied studies in all aspects of agricultural science and exploited species, as well as reviews of scientific topics of current agricultural relevance. Specific topics of interest include (but are not confined to): genetic resources, all aspects of crop improvement,crop production,crop protection, physiology, modeling of crop systems, the scientific underpinning of agronomy, engineering solutions, decision support systems, land use, environmental impacts of agriculture and forestry, impacts of climate change, rural biodiversity, experimental design and statistical analysis, the application of new analytical and study methods (including molecular studies) and agricultural economics. The journal also publishes book reviews. Articles are accepted on the following broad disciplines: Agric. Engineering & Technology, Agric. Social & Economic Sci., Agronomy, Biometry, Biosciences, Cytology, Ecology, Environmental Sciences, Fertilization, Forestry , Genetics, Horticultural Sciences, Microbiology, Pest, Weed Control etc., Molecular Biology, Plant Pathology, Plant Breeding, Physiology and Biochemistry, Soil Sciences, Special Cultivation Technology, Stress Breeding, Agric. extension, and Cell Biology.