豌豆耐盐性基因型的评价

IF 1.6 Q3 PLANT SCIENCES Sabrao Journal of Breeding and Genetics Pub Date : 2023-08-31 DOI:10.54910/sabrao2023.55.4.35
E. Rashid, Z. Hussain, M. A. Nawaz, S. Rashid, Prof. Naqib Ullah, Khan
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引用次数: 0

摘要

豌豆(Pisum sativum L.)是一种营养丰富的蔬菜,对盐胁迫条件极为敏感。一项盆栽研究通过施用NaCl、Na2SO4、MgSO4和CaCl2盐,将四种豌豆基因型(Samrina Zard、Climax、Ambassador和Green Arrow)暴露于2.5、5.0和7.0 dSm-1的对照中,对其进行了评估。完全随机设计(CRD)布局下的罐子有四个重复。在盐胁迫下,豌豆基因型之间发生了巨大的遗传变异。Samrina Zard表现出更好的生理(蒸腾和光合作用速率、气孔导度、水分利用效率和叶绿素)和形态特征(地上部/根长度、地上部/根部干重、单株叶数和叶面积)。与对照和所有其他处理相比,基因型Samrina Zard在高盐度7dSm-1下显著保持了最高的茎长(14.54%)、根长(28.28%)、茎干重(19.58%)、根干重(36.36%)、叶数(27.24%)和叶面积(21.59%)。相反,Ambassador基因型在地上部长度(22.42%)、地上部干重(67.57%)、根干重(59.59%)、叶数(47.69%)和叶面积(23.72%)的增加百分比最小的情况下表现出明显的盐敏感性。然而,盐度降低了两个基因型的生理属性。无论盐处理如何,Samrina Zard在光合作用(48.07%)、蒸腾速率(18.76%)、气孔导度(45.42%)、水分利用效率(55.88%)和叶绿素含量(29.44%)方面都优于Ambassador。
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EVALUATION OF PEA GENOTYPES FOR SALT STRESS TOLERANCE
Pea (Pisum sativum L.), a highly nutritious vegetable, is extremely sensitive to salt stress conditions. A pot study evaluated four pea genotypes (Samrina Zard, Climax, Ambassador, and Green Arrow) by exposing them to control, 2.5, 5.0, and 7.0 dS m-1 by applying NaCl, Na2SO4, MgSO4, and CaCl2 salts. The pots under a completely randomized design (CRD) layout had four replications. Immense genetic variations occurred among the pea genotypes under salt stress. Samrina Zard showed better physiological (transpiration and photosynthesis rates, stomatal conductance, water use efficiency, and chlorophyll) and morphological traits (shoot/root length, shoot/root dry weight, number of leaves per plant, and leaf area). Genotype Samrina Zard significantly maintained the highest percentage of shoot length (14.54%), root length (28.28%), shoot dry weight (19.58%), root dry weight (36.36%), number of leaves (27.24%), and leaf area (21.59%) at a higher level of salinity 7 dS m-1 compared with the control and all other treatments. In contrast, the Ambassador genotype was categorically salt-sensitive based on the least percentage increase in shoot length (22.42%), dry weight of shoot (67.57%), dry weight of root (59.59%), number of leaves (47.69%) and leaf area (23.72%). However, salinity reduced the physiological attributes in both genotypes. Regardless of salt treatments, Samrina Zard performed better than Ambassador regarding photosynthesis (48.07%), transpiration rate (18.76%), stomatal conductance (45.42%), water use efficiency (55.88%), and chlorophyll contents (29.44%). According to study findings, Samrina Zard performed best against salinity stress.
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来源期刊
Sabrao Journal of Breeding and Genetics
Sabrao Journal of Breeding and Genetics 农林科学-奶制品与动物科学
CiteScore
1.90
自引率
50.00%
发文量
63
期刊介绍: The SABRAO Journal of Breeding and Genetics is an international journal of plant breeding and genetics research and was first published in 1969. It is the official publication of the Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO). Its objectives are to: promote the international exchange of research information on plant breeding and genetics, by describing new research findings, or ideas of a basic or practical nature; and be a medium for the exchange of ideas and news regarding members of the Society. The Journal gives priority to articles that are of direct relevance to plant breeders and with emphasis on the Asian region. Invited for publication are research articles, short communications, methods, reviews, commentaries, and opinion articles. Scientific contributions are refereed and edited to international standards. The journal publishes articles for SABRAO members mainly. The Journal preferred strongly that at least one author should be a current member of the Society. Non-members may also publish in the journal.
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