Arid
DOI10.1016/S2095-3119(17)61808-2
Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage
Guo Mei-jun; Wang Yu-guo; Yuan Xiang-yang; Dong Shu-qi; Wen Yin-yuan; Song Xi-e; Guo Ping-yi
通讯作者Wang Yu-guo
来源期刊JOURNAL OF INTEGRATIVE AGRICULTURE
ISSN2095-3119
出版年2018
卷号17期号:3页码:554-565
英文摘要

Foxtail millet (Setaria italica L.) is an important food and fodder crop in semi-arid areas. However, there are few herbicides suitable for use on weed control in field-grown foxtail millet during the post-emergence herbicides stage. The present study was conducted using four concentrations (0.5, 1, 2, and 4 L ai ha(-1)) of foliar-applied fluroxypyr, and the effect of fluroxypyr on selected metabolic and stress-related parameters in foxtail millet were assessed after 15 days. In this study, increasing concentrations decreased plant height and accumulation of chlorophylls. Our results also showed that malondialdehyde (MDA) accumulated in response to fluroxypyr application, demonstrating increased lipid peroxidation due to excessive reactive oxygen species production. In response to this oxidative stress, the activities of antioxidant enzymes were generally enhanced. Non-enzymatic antioxidant defense systems, which function in concert with antioxidant enzymes, can also protect plant cells from oxidative damage by scavenging reactive oxygen species (ROS). In conclusion, the hybrid variety (Zhangzagu) exhibited a greater tolerance to fluroxypyr than did the conventional variety Jingu 21, which might be associated with the antioxidant mechanisms of Zhangzagu hybrid millet.


英文关键词antioxidant defense system fluroxypyr reactive oxygen species Spring hybrid millet
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000432529600005
WOS关键词WHEAT TRITICUM-AESTIVUM ; GLUTATHIONE METABOLISM ; SUPEROXIDE-DISMUTASE ; OXIDATIVE STRESS ; LEAVES ; ACID ; CHLOROPLASTS ; PEROXIDATION ; ASCORBATE ; GROWTH
WOS类目Agriculture, Multidisciplinary
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/211114
作者单位Shanxi Agr Univ, Agron Coll, Key Lab Crop Chem Regulat & Chem Weed Control Sha, Taigu 030801, Peoples R China
推荐引用方式
GB/T 7714
Guo Mei-jun,Wang Yu-guo,Yuan Xiang-yang,et al. Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage[J],2018,17(3):554-565.
APA Guo Mei-jun.,Wang Yu-guo.,Yuan Xiang-yang.,Dong Shu-qi.,Wen Yin-yuan.,...&Guo Ping-yi.(2018).Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage.JOURNAL OF INTEGRATIVE AGRICULTURE,17(3),554-565.
MLA Guo Mei-jun,et al."Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage".JOURNAL OF INTEGRATIVE AGRICULTURE 17.3(2018):554-565.
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