镉胁迫对水稻幼苗生长的影响（英文）

论文摘要

采用25、50和100μmol/L 3种Cd浓度对6个水稻品种的水培幼苗胁迫处理5d,结果表明:6个水稻品种幼苗的最长根长,苗高,单株鲜重和单株干重均受到明显抑制,抑制效应大小为最长根长>单株鲜重>单株干重>苗高,且抑制效应随着Cd胁迫浓度的增加而增强;利用50μmol/L Cd胁迫浓度开展水稻幼苗耐Cd性鉴定较经济合理;利用幼苗最长根长、单株鲜重、单株干重和苗高4个指标综合评价水稻的苗期耐Cd能力较为科学。

论文目录

• 1. Introduction
• 2. Materials and Methods
•   2.1. Materials
•   2.2. Methods
•     2.2.1. Hydroponic nutrient solution preparation
•     2.2.2. Planting and treatment of hydroponic materials
•     2.2.3. Sample preparation and determination
•     2.2.4. Data processing and analysis
• 3. Results and Analysis
•   3.1. Effects of Cd stress on the growth of rice seedlings
•   3.2. Cd tolerance of different rice seedlings
•   3.3. Effects of Cd stress on the growth of different rice seedlings
• 4. Discussions and Conclusions

文章来源

类型: 期刊论文

作者: 杨冬奇,刘三雄,夏胜平,彭国兴,黄凤林

关键词: 镉胁迫,水稻,幼苗生长

来源: Agricultural Science & Technology 2019年03期

年度: 2019

分类: 农业科技,工程科技Ⅰ辑

专业: 环境科学与资源利用,农作物

单位: 湖南省水稻研究所

基金: Supported by Changsha Science and Technology Project(kq180103),Hunan Agricultural Science and Technology Innovation Fund Project(2017XC10),Hunan Agricultural Science and Technology Innovation Fund Project(2017JC12)~~

分类号: X503.231;S511

DOI: 10.16175/j.cnki.1009-4229.2019.03.002

页码: 11-16

总页数: 6

文件大小: 317K

下载量: 63