[1]张一冉,王雅楠,杨杨,等.脱落酸与水杨酸处理调节李果实抗冷性及氧化酶活性[J].江苏农业学报,2020,(02):471-476.[doi:doi:10.3969/j.issn.1000-4440.2020.02.030]
　ZHANG Yi-ran,WANG Ya-nan,YANG Yang,et al.Regulation of abscisic acid and salicylic acid treatments on chilling resistance and oxidase activity of plum fruit[J].,2020,(02):471-476.[doi:doi:10.3969/j.issn.1000-4440.2020.02.030]
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脱落酸与水杨酸处理调节李果实抗冷性及氧化酶活性()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年02期
页码:
471-476
栏目:
加工贮藏·质量安全
出版日期:
2020-04-30

文章信息/Info

Title:
Regulation of abscisic acid and salicylic acid treatments on chilling resistance and oxidase activity of plum fruit
作者:
张一冉; 王雅楠; 杨杨; 韩育梅
（内蒙古农业大学，内蒙古呼和浩特市010018）
Author(s):
ZHANG Yi-ran; WANG Ya-nan; YANG Yang; HAN Yu-mei
(Inner Mongolia Agricultural University, Hohhot 010018， China)
关键词:
李果实; 冷害; 活性氧代谢; 抗冷性
Keywords:
plum fruit; chilling injury; active oxygen metabolism; cold resistance
分类号:
S662.3
DOI:
doi:10.3969/j.issn.1000-4440.2020.02.030
文献标志码:
A
摘要:
为研究水杨酸（SA）提高李果实抗冷能力过程中脱落酸（ABA）的作用，本研究以黑琥珀李果实为原料，分别采用1.0 mmol/L SA、47.0 μmol/L ABA、5.0 mmol/L的Na2WoO4、1.0 mmol/L SA结合5.0 mmol/L的Na2WoO4以及蒸馏水为对照浸泡30 min。对李果实冷害指数、总酚含量、过氧化物酶（POD）、多酚氧化酶（PPO）、超氧化物歧化酶（SOD）、过氧化氢酶（CAT）、抗坏血酸过氧化物酶（APX）的活性进行测定。结果表明，SA和ABA处理组降低了冷害指数，提高了其总酚含量并延缓了POD和PPO活性的上升，还显著地提高了SOD、CAT和APX等活性氧清除酶的活性，Na2WoO4、SA结合Na2WoO4处理组抗冷能力均低于对照组。说明SA和ABA可以延缓李果实的冷害，提高其抗冷性和活性氧代谢能力。Na2WoO4显著抑制李果实的抗冷性，且该作用不受SA的影响，表明SA提高李果实抗冷性依赖于ABA。
Abstract:
In order to study the role of abscisic acid (ABA) in the process of salicylic acid (SA) improving the cold resistance of plum fruit, Black Amber plum fruit was used as raw material and soaked in 1.0 mmol/L SA, 47.0 μmol/L ABA, 5.0 mmol/L Na2WoO4, 1.0 mmol/L SA combined with 5.0 mmol/L Na2WoO4, and distilled water (control group) for 30 min. Chilling injury index, total phenolic content, peroxidase (POD) activity, polyphenol oxidase (PPO) activity, superoxide dismutase (SOD) activity, catalase (CAT) activity, ascorbate peroxidase (APX) activity were measured. The results showed that the SA and ABA treatments reduced the chilling injury index, increased the total phenolic content, delayed the increase of POD and PPO activities and significantly increased the activities of active oxygen scavenging enzymes such as SOD, CAT and APX. The cold resistance of Na2WoO4 and SA combined with Na2WoO4 treatment groups was lower than that of the control group. It is indicated that SA and ABA can delay the chilling injury of plum fruit and improve its cold resistance and active oxygen metabolism. Na2WoO4 significantly inhibited the cold resistance of plum fruit, and the effect was not affected by SA, which indicated that SA depended on ABA to increase the cold resistance of plum fruit.

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备注/Memo

备注/Memo:
收稿日期：2019-08-08基金项目：内蒙古自治区高等学校科学研究项目（NJZZ18046）作者简介：张一冉（1995-），女，内蒙古包头人，硕士研究生，研究方向为农产品加工及贮藏。（E-mail）760037592@qq.com通讯作者：杨杨，（E-mail）northerapril@126.com；韩育梅,（E-mail）hanyumeim@sina.com
更新日期/Last Update: 2020-05-18