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Journal of Productivity and Development
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Salama, A., Zayan, M., Shereif, A., Gaser, A. (2020). GENETIC DIVERSITY AND RELATIONSHIPS AMONG GRAPEVINE ROOTSTOCK MUTANTS THROUGH RAPD TECHNIQUE. Journal of Productivity and Development, 25(1), 79-99. doi: 10.21608/jpd.2020.81016
Asmaa Mohi Salama; Mohamed Zayan; Aly Shereif; Aisha Gaser. "GENETIC DIVERSITY AND RELATIONSHIPS AMONG GRAPEVINE ROOTSTOCK MUTANTS THROUGH RAPD TECHNIQUE". Journal of Productivity and Development, 25, 1, 2020, 79-99. doi: 10.21608/jpd.2020.81016
Salama, A., Zayan, M., Shereif, A., Gaser, A. (2020). 'GENETIC DIVERSITY AND RELATIONSHIPS AMONG GRAPEVINE ROOTSTOCK MUTANTS THROUGH RAPD TECHNIQUE', Journal of Productivity and Development, 25(1), pp. 79-99. doi: 10.21608/jpd.2020.81016
Salama, A., Zayan, M., Shereif, A., Gaser, A. GENETIC DIVERSITY AND RELATIONSHIPS AMONG GRAPEVINE ROOTSTOCK MUTANTS THROUGH RAPD TECHNIQUE. Journal of Productivity and Development, 2020; 25(1): 79-99. doi: 10.21608/jpd.2020.81016

GENETIC DIVERSITY AND RELATIONSHIPS AMONG GRAPEVINE ROOTSTOCK MUTANTS THROUGH RAPD TECHNIQUE

Article 5, Volume 25, Issue 1, January 2020, Page 79-99  XML PDF (678.17 K)
Document Type: Original Article
DOI: 10.21608/jpd.2020.81016
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Authors
Asmaa Mohi Salama email 1; Mohamed Zayan2; Aly Shereif3; Aisha Gaser3
1Viticulture Research Department, Horticulture Res. Inst., Agric. Res. Center, Giza, Egypt
2Pomology Department, Faculty of Agriculture, Kafrelsheikh University, Egypt
3Pomology Department, Faculty of Agriculture, Kafrelsheikh University, Egypt.
Abstract
Mutation using radiation has been shown to be an important tool in incorporating specific desirable agronomic value characteristics. In the present study, four grapevine rootstocks namely: Freedom, Harmony, SO4 and Ramsey   along with commercial variety Thompson seedless were exposed to different doses of gamma rays (0, 10, 20 Gy) to obtain mutations with economic values.
Results showed that both doses of 10 and 20 Gy were effective in obtaining mutations in all grapevine genotypes including Thompson seedless, which were confirmed by morphological markers such as bud burst percentage and shoot length and number of leaves, and genetic markers by RAPD technique.
In addition, genetic variation and relationships in both irradiated and un-irradiated genotypes were determined. Six RAPD markers were able to generate polymorphic bands ranged from 1 to 9 among irradiated and un-irradiated grapevine genotypes. The similarity coefficients detected by RAPD markers ranged from 0.24 to 0.87, which revealed clear genetic variation among irradiated and un-irradiated grapevine genotypes. According to phylogenetic analysis, genotypes were divided into two clusters, where all five un-irradiated genotypes and irradiated Freedom genotype with 10 Gy were placed in one cluster and second cluster included the rest of nine irradiated genotypes.
 Conclusively, this study supports the use of mutation in breeding grapevine improvement, and RAPD technique could be an important tool for detecting mutations and genetic diversity among grapevine genotypes.
 
 
Keywords
Mutation; grapevine varieties; RAPD technique; rootstocks
Supplementary Files
download tab,25.1.5, asmaa.pdf
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