Subtropical Plant Science >

2017 , Vol. 46 >Issue 02: 163 - 166

DOI: https://doi.org/10.3969/j.issn.1009-7791.2017.02.013

Plant ecology, resources and taxonomy

Leaf Morphology of Mutated Impatiens balsamina Induced by Space Flight

  • LIAO ,
  • KE ,
  • WANG ,
  • MEI ,
  • FENG ,
  • HAO ,
  • ZHANG ,
  • LI ,
  • LIAO Xue-Lan ,
  • WEN Guo-Qin ,
  • PAN Yuan-Zhi
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  • (1.College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, Sichuan China; 2.Key Laboratory of Southwest China Wildlife Resources Conservation, China West Normal University, Nanchong 637002, Sichuan China; 3.Nanchong Vocational and Technical College, Nanchong 637131, Sichuan China; 4.Nanchong Academy of Agricultural Sciences, Nanchong 637000, Sichuan China)

Received date: 2017-04-17

  Revised date: 2017-06-09

  Online published: 2017-06-30

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Abstract

This study focused on the offspring of mutated Impatiens balsamina that was induced by space flight of Shenzhou 4. Comparative analysis of morphological characteristics of the mutant and normal I. balsamina (the control group) was performed. The results showed that, compared to the control group, the offspring of mutagenic I. balsamina variety changed greatly in ratio of leaf length to leaf width and leaf thickness. No significant difference in stomatal width was observed between the two groups, while their stomatal lengths varied significantly. Moreover, morphological mutations in leaves resulted in variations in detached leave wilting curve: the water loss was slower and steadier in mutants than in controls. The results suggested mutation in leaf morphology of mutated I. balsamina induced by space flight was beneficial.

Key words： Mutagenesis induced by space flight; Impatiens balsamina; leaf morphology; stoma

Cite this article

LIAO , KE , WANG , MEI , FENG , HAO , ZHANG , LI , LIAO Xue-Lan , WEN Guo-Qin , PAN Yuan-Zhi . Leaf Morphology of Mutated Impatiens balsamina Induced by Space Flight[J]. Subtropical Plant Science, 2017 , 46(02) : 163 -166 . DOI: 10.3969/j.issn.1009-7791.2017.02.013

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