Identification of SSR markers for drought stress induced by mannitol in three different gramineae plant genera [electronic resource].
Language: English Summary language: Arabic Description: p. 229-252Uniform titles:- Egyptian journal of genetics and cytology, 2018. v. 47 (2) [electronic resource].
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Main | ART EJGC V47 NO2 7 (Browse shelf(Opens below)) | Available |
Includes references.
Stress is known as all of the biologi-cal and environmental factors which lead to troubles in the function and struc-ture of the body of living organisms. Plant in the normal conditions is considered one of the organisms which exposed to vari-ous stress factors. Drought stress affects strongly plant growth and productivity. This stress causes many problems during plant life cycle such as inhibition of water transport and limitation of the proper functioning of cell membranes, in addi-tion to the disorganization of the coopera-tion between cellular organelles (Hsiao et al., 1976). The negative effects of drought at the cellular level change the growth and development of plants (Olszewska et al., 2010).
Drought is considered a complex phenomenon than other stresses such as salinity, pests and diseases and occurs at any crop production period. On the other hand, drought has a large effect on many physiological, biochemical and molecular processes in plants. Until now the nature of genetic mechanisms controlling drought tolerance expression
in rice is not well understood but it is known that this process is very complex and under control of polygene and is dependent on the phe-
notype evaluated. It is of great interest to understand and interpret the molecular genetic basis of drought tolerance in rice to help the breeders and molecular biolo-gists to develop new varieties with more drought tolerance characters (Nguyen and Buu, 2008).
Summary in Arabic
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