Assessment of genetic divergence, stevioside and rebaudioside a contents and the effects of gamma ir-radiation on the performance of Stevia ( Stevia Rebaudiana Bertoni) genotypes. [electronic resource]
Language: English Summary language: Arabic Description: p.295-313Uniform titles:- Egyptian journal of genetics and cytology, 2019. v. 48 (2)
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Main | ART EJGC V48 No2 10 (Browse shelf(Opens below)) | Available |
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Includes bibliographic reference
Stevia rebaudiana Bertoni is a perennial and sweet herb native to the highlands of Paraguay belongs to family Asteraceae. Seeds of five stevia varieties were treated with 0, 10, 15 and 20 K rad doses of gamma rays from Co60 Indian gamma cell source (Dose rate: 1,323KGy/h) to evaluate the effects of gamma irradiation on stevia genotype performance. Stevioside and rebaudioside A contents and genetic diversity among the nonrelated stevia varieties were assessed utilizing HPLC analysis and molecular markers respectively. The leaves dry weight as the most important agronomic trait was decreased significantly with increase gamma-ray dose in all studied varieties except China1 and Shou2 at 10 K rad and Sughigh at 20 K rad that was increased from 23.84 to 28.84 g, 31.38 to 36.25 g and from 32.88 to 40.75 g, respectively.
Summary in Arabic
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