[1]张丽欣,孟盼盼,吕清豪,等.药菊苗期抗旱性综合评价及抗旱鉴定指标筛选[J].江苏农业学报,2024,(10):1942-1951.[doi:doi:10.3969/j.issn.1000-4440.2024.10.019]
 ZHANG Lixin,MENG Panpan,LYU Qinghao,et al.Comprehensive evaluation of drought resistance and screening of drought resistance identification indicators in Chrysanthemum morifolium seedling stage[J].,2024,(10):1942-1951.[doi:doi:10.3969/j.issn.1000-4440.2024.10.019]
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药菊苗期抗旱性综合评价及抗旱鉴定指标筛选()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2024年10期
页码:
1942-1951
栏目:
园艺
出版日期:
2024-10-30

文章信息/Info

Title:
Comprehensive evaluation of drought resistance and screening of drought resistance identification indicators in Chrysanthemum morifolium seedling stage
作者:
张丽欣1孟盼盼1吕清豪1李珅2祁瑞林2张红瑞1
(1.河南农业大学农学院,河南郑州450046;2.河南省经济作物推广总站,河南郑州450002)
Author(s):
ZHANG Lixin1MENG Panpan1LYU Qinghao1LI Shen2QI Ruilin2ZHANG Hongrui1
(1.College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China;2.Cash Crop Promotion Station of Henan Province, Zhengzhou 450002, China)
关键词:
药菊苗期干旱胁迫抗旱性综合评价
Keywords:
Chrysanthemum morifolium Ramat. seedling stage drought stress comprehensive evaluation of drought resistance
分类号:
S682.1+1
DOI:
doi:10.3969/j.issn.1000-4440.2024.10.019
文献标志码:
A
摘要:
为研究干旱胁迫对不同栽培类型药菊苗期生长的影响,并筛选耐旱性较强的药菊栽培类型和适宜的抗旱性鉴定指标,为抗旱药菊种质选择奠定基础,本研究以5个栽培类型药菊为材料,测定其在干旱胁迫下苗期的生长指标和生理生化指标,并使用相关性分析、主成分分析、隶属函数分析相结合的方法对其进行抗旱性综合评价。结果表明,干旱胁迫下药菊苗期植株变矮;随着干旱胁迫加重,其地下部干重、根冠比、总根投影面积等指标呈降低趋势,脯氨酸、可溶性糖和可溶性蛋白质含量呈增长趋势。抗旱性综合评价结果表明,怀菊抗旱性综合评价值最大(0.854),皇菊抗旱性综合评价值最小(0.093),5个栽培类型药菊抗旱性为怀菊>滁菊>亳菊>杭菊>皇菊;叶片相对含水量、叶片干重、地下部干重、根冠比、叶绿素相对含量(SPAD值)和过氧化物酶活性等可作为药菊苗期的抗旱性鉴定指标。
Abstract:
The purpose of this study was to study the effects of drought stress on the seedling growth of different cultivation types of Chrysanthemum morifolium Ramat., and to screen the cultivation types with strong drought tolerance and suitable drought-resistant identification indexes, so as to lay a foundation for the selection of drought-resistant C. morifolium germplasm. In this study, five cultivated types of C. morifolium were used as materials, and their seedling growth and physiological and biochemical indexes were measured under drought stress, and their drought resistance was comprehensively evaluated using a combination of correlation analysis, principal component analysis and membership function analysis. The results showed that under drought stress, the seedlings of C. morifolium became shorter. With the aggravation of drought stress, the underground dry weight, root-shoot ratio and total root projected area showed a decreasing trend, but the proline content, soluble sugar content and soluble protein content showed an increasing trend. The results of comprehensive evaluation of drought resistance indicated that the comprehensive evaluation value of drought resistance of Huaiju was the largest (0.854), and the comprehensive evaluation value of drought resistance of Huangju was the smallest (0.093). The drought resistance of five cultivated types of C. morifolium followed the order of Huaiju > Chuju > Boju > Hangju > Huangju. The relative water content, leaf dry weight, underground dry weight, root-shoot ratio, relative chlorophyll content (SPAD value) and peroxidase activity can be used as drought resistance identification indexes of C. morifolium at seedling stage.

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备注/Memo

备注/Memo:
收稿日期:2023-10-27基金项目:河南省财政科技兴林项目(YLK202305);河南省中药材产业科技特派员服务团项目(2024);国家自然科学基金项目(31701370);河南省教育厅高等学校重点科研项目(19A210005、23A210002)作者简介:张丽欣(1998-),女,河南宜阳人,硕士,主要从事药用植物资源与栽培研究。(E-mail)1561079373@qq.com通讯作者:张红瑞,(E-mail)zhanghongrui2003@126.com;李珅,(E-mail)15003835012@163.com;祁瑞林,(E-mail)15538360258@163.com
更新日期/Last Update: 2024-11-21