一氧化氮对弱光胁迫下苗期及坐果初期辣椒生长和抗性相关指标的影响

doi:10.3969/j.issn.1004-1524.2019.12.12

浙江农业学报 ›› 2019, Vol. 31 ›› Issue (12): 2036-2042.DOI: 10.3969/j.issn.1004-1524.2019.12.12

一氧化氮对弱光胁迫下苗期及坐果初期辣椒生长和抗性相关指标的影响

李莉¹, 田士林^1,*, 姜俊², 宋丽¹

1.黄淮学院生物与食品工程学院,河南驻马店 463000;
2.驻马店市农业科学院园艺研究所,河南驻马店 463000

收稿日期:2018-05-01 出版日期:2019-12-25 发布日期:2019-12-25
通讯作者: 田士林,E-mail:tian730513@163.com
作者简介:李莉(1975-),女,山西忻州人,副教授,硕士,主要从事园艺植物品质研究。E-mail:lili-868686@163.com
基金资助:
河南省创新型科技人才队伍建设工程(C20150054); 河南省高校重点科研项目(16A210010,16A210023); 河南省科技攻关计划(192102110147); 国家大宗蔬菜产业技术体系(CARS-23-G18)

Effects of nitric oxide on pepper growth and resistance indexes at seedling stage and fruit setting initial stage under weak light stress

LI Li¹, TIAN Shilin^1,*, JIANG Jun², SONG Li¹

1. School of Biological Science and Food Engineering, Huanghuai University, Zhumadian 463000, China;
2. Institute of Horticulture, Zhumadian Academy of Agricultural Sciences, Zhumadian 463000, China

Received:2018-05-01 Online:2019-12-25 Published:2019-12-25

摘要/Abstract

摘要： 以光敏辣椒苗为试验材料,经不同程度遮阴处理后,对遮阴植株喷施一氧化氮供体SNP,测定辣椒植株生长及抗性相关指标,探讨一氧化氮对遮阴胁迫下辣椒相关指标的影响。结果表明:喷施SNP后,辣椒的茎粗、株高、叶面积均有不同程度的提高;叶片中抗氧化酶SOD、POD、CAT的活性增强;同时,叶片中的叶绿素b含量增多,叶绿素合成相关基因的表达水平普遍增强。说明一氧化氮能够缓解弱光环境对辣椒生长的不利影响,一定程度上改善了弱光环境下辣椒叶片的光合性能。

关键词: 辣椒, 弱光, 一氧化氮, 抗氧化酶, 叶绿素

Abstract: Photosensitive pepper seedlings were used as test materials. After different degrees of shading treatment, the seedlings were sprayed using SNP solution, and the growth and resistance indexes of peppers were determined. The results showed that the diameter, plant height and leaf area of pepper increased after spraying SNP, comparing with the shaded group. The activities of antioxidant enzymes SOD, POD and CAT in leaves increased, meanwhile, the content of chlorophyll b in leaves and the expression level of chlorophyll synthesis-related genes were also generally increased. It was indicated that nitric oxide could alleviate the adverse effects of weak light environment on pepper growth, and improve the photosynthetic performance of pepper leaves in weak light environment to some extent.

Key words: pepper, shade, nitric oxide, antioxidant enzyme, chlorophyll

中图分类号:

S641.3

李莉, 田士林, 姜俊, 宋丽. 一氧化氮对弱光胁迫下苗期及坐果初期辣椒生长和抗性相关指标的影响[J]. 浙江农业学报, 2019, 31(12): 2036-2042.

LI Li, TIAN Shilin, JIANG Jun, SONG Li. Effects of nitric oxide on pepper growth and resistance indexes at seedling stage and fruit setting initial stage under weak light stress[J]. , 2019, 31(12): 2036-2042.

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一氧化氮对弱光胁迫下苗期及坐果初期辣椒生长和抗性相关指标的影响

Effects of nitric oxide on pepper growth and resistance indexes at seedling stage and fruit setting initial stage under weak light stress

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