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当前位置: 首页 > 文章 > PEG胁迫对小豆苗期抗旱生理指标的影响及抗旱鉴定体系建立 作物杂志 2017 (4) 134-142
Position: Home > Articles > Effects of PEG Stress on Drought Resistance at Seedling Stage of Adzuki Beans and the Establishment of Drought Resistance Identification System Crops 2017 (4) 134-142

PEG胁迫对小豆苗期抗旱生理指标的影响及抗旱鉴定体系建立

作  者：
郝曦煜;王红丹;尹智超;梁杰;尹凤祥;郝建军
单  位：
沈阳农业大学生物科学技术学院;吉林省白城市农业科学院;吉林大学植物科学学院
关键词：
小豆;苗期;生理指标;水分胁迫;抗旱性
摘  要：
本研究致力于筛选出小豆苗期抗旱性的生理指标并据此鉴定品种抗旱性。以白红3号、白红4号、白红6号、冀红352等小豆品种为材料,对各品种苗期进行不同浓度(5%、10%、20%)PEG模拟水分胁迫处理,在处理后的3、6、9d取样(功能叶片),测定各抗旱生理指标。结果表明:5%PEG处理后6d的超氧化物歧化酶(SOD)活性、5%PEG处理后6d的脱落酸(ABA)含量、10%PEG处理后6d的可溶性糖含量、5%PEG处理后3d的相对电导率、5%PEG处理后6d的超氧阴离子(O_2~-·)产生速率,均可作为鉴定小豆苗期抗旱性生理指标。利用上述抗旱生理指标,初步确定白红6号和白红4号为较抗旱品种,白红3号和冀红352的抗旱性较弱。
译  名：
Effects of PEG Stress on Drought Resistance at Seedling Stage of Adzuki Beans and the Establishment of Drought Resistance Identification System
作  者：
Hao Xiyu;Wang Hongdan;Yin Zhichao;Liang Jie;Yin Fengxiang;Hao Jianjun;Baicheng Academy of Agricultural Sciences;School of Biological Science and Technology,Shenyang Agricultural University;College of Plant Science,Jilin University;
关键词：
Adzuki bean;;Seeding stage;;Physiological index;;Water stress;;Drought-resistance
摘  要：
The drought-resistant cultivars including Baihong 3, Baihong 4, Baihong 5 and Jihong 352 as materials and PEG with different concentrations(5%, 10%, 20%) simulating water stress treatment in seedling stage of adzuki beans were used in this study. The function leaf on the third, sixth and ninth day was picked to determine drought resistance physiological indicators. The results showed that the indicators that could be used to identify the drought-resistance of adzuki bean were the SOD activity of 5% PEG treatment on the sixth day, the ABA content of 5% PEG treatment on the sixth day, the soluble sugar content of 10% PEG treatment on the sixth day, the electrical conductivity of 5% PEG treatment on the third day, the superoxide anion produce rate of 5% PEG treatment on the sixth day. The conclusion showed that Baihong 6 and Baihong 4 were both drought-resistance cultivars but Baihong 3 and Jihong 352 were less drought-resistance cultivars.

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