Effects of harpin and carbendazim on antioxidant accumulation in young jujube leaves

Author:

Tian Shan1,Chen Ying1,Cai Zhien1,Wang Qianjin1,Zhang Jiarui2,Liu Zhilan3,Li Yueyue1,Zhao Xusheng1

Affiliation:

1. Life Science College, Luoyang Normal University , Luoyang , Henan 471934 , China

2. School of Life Sciences, Henan University , Kaifeng , Henan 475001 , China

3. Grain and Oil Crops Technology Extension Station , Yongchuan , Chongqing 402160 , China

Abstract

Abstract Jujube leaf tea is a functional beverage that soothes the nerves. In this study, we evaluated the effects of carbendazim and harpin on disease index, biomass accumulation, H2O2, antioxidant contents, and phenyl alanine ammonia lyase (PAL) activity in young jujube leaves. Compared to harpin, carbendazim decreased the disease index and induced higher H2O2 content. Additionally, the pesticide reduced young leaf biomass accumulation. In contrast, harpin increased vitamin C, glutathione, total phenolics, and total antioxidant capacity in young leaves compared to carbendazim. Compared with the control, harpin enhanced the PAL activity. Carbendazim residues were present in treated leaves for 14 days. Our study findings provide a method for improving jujube leaf tea quality from a pesticide utilization perspective.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,General Chemistry

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