Author(s)

Jiaojiao Zhao ¹, Sisi Zhao ¹, Xuelei Wang ¹, Lu Gan ¹, Xiaofan Huang ¹, Lina Qiu ¹, Shuguang Bao ¹, Ming Li ¹, Xiaodong Xie ¹, Gaoyi Cao ¹

Affiliation(s)

¹ College of Agronomy, Resources and Environment, Tianjin Agricultural University, Tianjin Key Laboratory of Intelligent Breeding of Major Crops, Tianjin, 30039, China

Corresponding Author

Xiaodong Xie

ABSTRACT

In order to explore the physiological and biochemical mechanism of different wheat varieties with salt tolerance and alkali tolerance under salt and alkali stress, 150 mmoL•L-1 NaCl and 100 mmoL•L-1 NaHCO3/Na2CO3(molar ratio 1:1) were used to simulate salt and alkali stress conditions respectively. The growth of wheat in soil was simulated in an artificial climate chamber with temperature 25℃, illumination 16 hours, temperature 22℃ and dark treatment 8 hours. The salt-alkali tolerance of 121 wheat seeds was tested, and the characteristics of salt-alkali tolerance of wheat germplasm resources were analyzed based on 11 traits. The results showed that under salt and alkali stress, 11 index values were significantly different among 121 wheat germplasm resources. Under NaCl stress, the germination rate and germination potential of wheat were lower than that without NaCl stress, and lower under alkali stress. The changes of embryo length, fresh weight and dry weight of embryo were relatively large under alkali stress, the preliminary analysis showed that alkali stress had more effect on the growth and development of wheat than salt stress. Among them all kinds of numerical value assume function relation. There were differences in the correlations among the traits under saline-alkali stress. Select the data relatively complete, there are differences in correlation, the coefficient of variation is relatively large groups of data for analysis.

KEYWORDS

Wheat, Germplasm Resources, Germination, Salinity-Alkali Stress

CITE THIS PAPER

Jiaojiao Zhao, Sisi Zhao, Xuelei Wang, Lu Gan, Xiaofan Huang, Lina Qiu, Shuguang Bao, Ming Li, Xiaodong Xie, Gaoyi Cao, Response of CIMMYT Spring Wheat Lines to Saline-Alkali Stress. Journal of Modern Crop Science (2023) Vol. 2: 59-68. DOI: http://dx.doi.org/10.23977/jmcs.2023.020108.

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Sponsors, Associates, and Links

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• Advances in Food Science and Human Nutrition
  
  
• Plant Nutrition & Soil Science International
  
  
• Agricultural Mechanization, Electrification and Automation
  
  
• Food Chemistry, Processing, and Storage
  
  
• Botany and Zoology Frontiers