Architectural traits in response to salinity of wheat primary roots
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This article provides a study on morphological and anatomical changes during post-embryonic development of roots in plants under saline stress. The influence of salinity on the architecture of root related to the species-specificity of wheat plants is shown. The important roles of thickness of the epiblema and length of root hairs, the thickness of the endoderm and the diameter of the central cylinder under salt stress appear worthy of note. It is shown that both the water content of roots cells and its chromosomal apparatus are affected by salt stress. In addition to a very strong plasmolysis, the compression and fragmentation of the nuclei were noted, which resulted into their destruction and cell death. On the basis of all considered parameters the studied species can be arranged in the following according their resistance to salinity: T. polonicum < T. compactum < T. aestivum < T. dicoccum. This is confirmed by the data of ion balance of Na+, K+, and Ca2+ in primary roots of different wheat species.
KeywordsWheat species Primary roots Salinity Morphology Anatomy Ion balance
This research was supported by the Ministry for Science and Education of Kazakhstan. We are grateful to Dr. Nina Khailenko for her excellent consultation assistance and important experimental suggestions.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interests.
Human and animal rights
This research did not involve experiments with human or animal participants.
Informed consent was obtained from all individual participants included in the study and in this article.
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