Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage
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,...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2018-03-01
|
| Series: | Journal of Integrative Agriculture |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2095311917618082 |
| _version_ | 1819065690493026304 |
|---|---|
| author | Mei-jun GUO Yu-guo WANG Xiang-yang YUAN Shu-qi DONG Yin-yuan WEN Xi-e SONG Ping-yi GUO |
| author_facet | Mei-jun GUO Yu-guo WANG Xiang-yang YUAN Shu-qi DONG Yin-yuan WEN Xi-e SONG Ping-yi GUO |
| author_sort | Mei-jun GUO |
| collection | DOAJ |
| description | 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. |
| first_indexed | 2024-12-21T15:50:28Z |
| format | Article |
| id | doaj.art-3968f626be434aa5a0b35eb214ca6b66 |
| institution | Directory Open Access Journal |
| issn | 2095-3119 |
| language | English |
| last_indexed | 2024-12-21T15:50:28Z |
| publishDate | 2018-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Integrative Agriculture |
| spelling | doaj.art-3968f626be434aa5a0b35eb214ca6b662022-12-21T18:58:14ZengElsevierJournal of Integrative Agriculture2095-31192018-03-01173554565Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stageMei-jun GUO0Yu-guo WANG1Xiang-yang YUAN2Shu-qi DONG3Yin-yuan WEN4Xi-e SONG5Ping-yi GUO6GUO Mei-jun; Key Laboratory of Crop Chemical Regulation and Chemical Weed Control of Shanxi Province/Agronomy College, Shanxi Agricultural University, Taigu 030801, P.R.ChinaCorrespondence WANG Yu-guo; Key Laboratory of Crop Chemical Regulation and Chemical Weed Control of Shanxi Province/Agronomy College, Shanxi Agricultural University, Taigu 030801, P.R.ChinaKey Laboratory of Crop Chemical Regulation and Chemical Weed Control of Shanxi Province/Agronomy College, Shanxi Agricultural University, Taigu 030801, P.R.ChinaKey Laboratory of Crop Chemical Regulation and Chemical Weed Control of Shanxi Province/Agronomy College, Shanxi Agricultural University, Taigu 030801, P.R.ChinaKey Laboratory of Crop Chemical Regulation and Chemical Weed Control of Shanxi Province/Agronomy College, Shanxi Agricultural University, Taigu 030801, P.R.ChinaKey Laboratory of Crop Chemical Regulation and Chemical Weed Control of Shanxi Province/Agronomy College, Shanxi Agricultural University, Taigu 030801, P.R.ChinaCorrespondence GUO Ping-yi, Tel: +86-354-6286938, Fax: +86-354-6289272; Key Laboratory of Crop Chemical Regulation and Chemical Weed Control of Shanxi Province/Agronomy College, Shanxi Agricultural University, Taigu 030801, P.R.ChinaFoxtail 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.http://www.sciencedirect.com/science/article/pii/S2095311917618082antioxidant defense systemfluroxypyrreactive oxygen speciesSpring hybrid millet |
| spellingShingle | Mei-jun GUO Yu-guo WANG Xiang-yang YUAN Shu-qi DONG Yin-yuan WEN Xi-e SONG Ping-yi GUO Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage Journal of Integrative Agriculture antioxidant defense system fluroxypyr reactive oxygen species Spring hybrid millet |
| title | Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage |
| title_full | Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage |
| title_fullStr | Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage |
| title_full_unstemmed | Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage |
| title_short | Responses of the antioxidant system to fluroxypyr in foxtail millet (Setaria italica L.) at the seedling stage |
| title_sort | responses of the antioxidant system to fluroxypyr in foxtail millet setaria italica l at the seedling stage |
| topic | antioxidant defense system fluroxypyr reactive oxygen species Spring hybrid millet |
| url | http://www.sciencedirect.com/science/article/pii/S2095311917618082 |
| work_keys_str_mv | AT meijunguo responsesoftheantioxidantsystemtofluroxypyrinfoxtailmilletsetariaitalicalattheseedlingstage AT yuguowang responsesoftheantioxidantsystemtofluroxypyrinfoxtailmilletsetariaitalicalattheseedlingstage AT xiangyangyuan responsesoftheantioxidantsystemtofluroxypyrinfoxtailmilletsetariaitalicalattheseedlingstage AT shuqidong responsesoftheantioxidantsystemtofluroxypyrinfoxtailmilletsetariaitalicalattheseedlingstage AT yinyuanwen responsesoftheantioxidantsystemtofluroxypyrinfoxtailmilletsetariaitalicalattheseedlingstage AT xiesong responsesoftheantioxidantsystemtofluroxypyrinfoxtailmilletsetariaitalicalattheseedlingstage AT pingyiguo responsesoftheantioxidantsystemtofluroxypyrinfoxtailmilletsetariaitalicalattheseedlingstage |