Comparative Adaptation Responses of Melon (Cucumis melo L.) Genotypes to Salinity Stress
- سال انتشار: 1399
- محل انتشار: مجله علوم و فناوری کشاورزی، دوره: 23، شماره: 2
- کد COI اختصاصی: JR_JASTMO-23-2_013
- زبان مقاله: انگلیسی
- تعداد مشاهده: 34
نویسندگان
Faculty of Agriculture, Department of Agricultural Biotechnology, University of Yuzuncu Yil, Van, Turkey.
Faculty of Agriculture, Department of Agricultural Biotechnology, University of Siirt, Siirt, ۵۶۱۰۰, Turkey.
Faculty of Science, Department of Molecular Biology and Genetics , Van Yüzüncü Yil University, ۶۵۱۰۰, Van; Turkey.
Baskale Vocational School, University of Van Yuzuncu Yil, Van, ۶۵۱۰۰, Turkey.
Faculty of Agriculture, Department of Horticulture, University of Van Yuzuncu Yil, Van, ۶۵۱۰۰, Turkey.
چکیده
The objective of this work was to understand the mechanisms of physiological, biochemical, and molecular responses to salinity stress of three Turkish melon genotypes (YYU ۱, YYU ۴ and CU ۱۹۶) and cv. Ananas. The study used Randomized Complete Block Design (RCBD) and pots were irrigated with Hoagland nutrient solution after two-leaf stage until harvesting by ۵۰ and ۷۵ mM NaCl concentrations. For evaluation of responses, chlorophyll and carotenoid content, total phenolic and flavonoid amount, proline variations, and nutrient elements were determined. Moreover, qRT-PCR analyses were performed to identify the expression level of six TF (Transcription Factors) genes (WRKY۲۴, TCP۱۵, CmHD-Zip, mTERF۲, Dof۳ and CmADH۲). Increase in salt application led to increase in chlorophyll content in the melon genotypes, but decrease (about ۵۵%) in cv. Ananas. Phenolic, flavonoid, and proline contents varied based on the melon genotypes, but generally increased in Ananas. Expression levels of TCP۱۵ and WRKY۲۴ showed more fold change at ۷۵ mM NaCl treatment. On the other hand, the expression of CmADH۲ and Dof۳ showed more fold change at ۵۰ mM NaCl treatment. Finally, according to adaptation mechanisms of melon genotypes, the study might help in selection and detection of the salt tolerant ones.کلیدواژه ها
Biochemical responses, Salt stress, TF (Transcription Factors) genes.اطلاعات بیشتر در مورد COI
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