Effects of pre-harvest and post-harvest applications of gibberellin (GA3) on appearance quality of 'Guifei' mangoes

被引：0
作者：
Li, N. [1 ]
Shao, Y. Z. [2 ]
Zhang, S. J. [1 ]
Li, W. [1 ]
机构：
[1] Hainan Univ, Coll Trop Agr & Forest, Haikou 570228, Hainan, Peoples R China
[2] Hainan Univ, Coll Food Sci, Haikou 570228, Hainan, Peoples R China
来源：
XII INTERNATIONAL MANGO SYMPOSIUM | 2019年 / 1244卷
基金：
中国国家自然科学基金;
关键词：
gibberellin; 'Guifei' mango; appearance quality; peel color; pigment; enzyme activity; PLANT-GROWTH ATTRIBUTES; SHELF-LIFE; COLOR DEVELOPMENT; GENE-EXPRESSION; FRUIT-QUALITY; ABSCISIC-ACID; CHLOROPHYLL; L; CAROTENOIDS; BIOSYNTHESIS;
D O I：
10.17660/ActaHortic.2019.1244.14
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The effects of pre-harvest and post-harvest applications of gibberellin (GA3) at different concentrations of 0.0, 0.5, 1.0, 2.0 and 3.0 g L-1 on appearance quality of 'Guifei' mango were investigated. The results showed that: (1) When application with GA(3) during pre-harvest, lower GA(3) treatments could delay the change of a* value, inhibit degradation of chlorophyll and the accumulation of carotenoid and anthocyanin, and decrease the activities of chlorophyllase (Chlase) and chalcone isomerase (CHI). However, higher concentration (>1.0 g L-1) treatment could result in incomplete change in peel color until ripening. (2) When application with GA(3) during post-harvest, the degradation of chlorophyll, the synthesis of anthocyanin and carotenoid, and the change of peel color were retarded greatly by GA(3) treatment. Thus, the higher concentration (>2.0 g L-1) could make mangoes not turning color completely at the end of storage period. Therefore, it is suggested that unsuitable GA(3) concentration applied during pre-harvest (>1.0 g L-1) or post-harvest (>2.0 g L-1) had a negative influence on the appearance quality of 'Guifei' mangos.
引用
收藏
页码：83 / 92
页数：10
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