Dr. Abd El-Samad Mahmoud Younis
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Dr. Abd El-Samad Mahmoud Younis

Assistant Researcher Professor
Department of Field Crops, National Research Centre, Egypt

Highest Degree
Ph.D. in Agronomy from Cairo University, Egypt

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Area of Interest:

Plant and Soil Sciences
100%
Agronomy
62%
Plant Breeding
90%
Plant Biotechnology
75%
Biodiversity
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
53
Abstracts
0

Selected Publications

  1. Bakry, B.A., M.S. Sadak, A.E.S.M. Younis and T.M.A. El-Raz, 2022. Glutathione stimulates growth and productivity of some flax varieties grown under sandy soil. Asian J. Plant Sci., 21: 66-77.
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  2. Al-Naggar, A.M.M., K.F. Al-Azab, A.S.M. Younis, I.O. Hassan, M.A.E. Basyouny and M. Ayaad, 2022. Genetic parameters controlling the inheritance of glaucousness and yield traits in bread wheat. Braz. J. Biol., Vol. 82. 10.1590/1519-6984.253864 .
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  3. Al-Naggar, A.M.M., M.M. Shafik, R.Y.M. Musa, A.S.M. Younis and A.H. Anany, 2020. Genetic variability of maize hybrids and populations and interrelationships among grain yield and its related traits under drought and low N using multivariate analysis. Asian J. Biochem. Genet. Mol. Biol., 4: 26-44.
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  4. Abdallah, M.M.S., A.E.S.M. Younis, B.A. Bakry, H.M.S. El-Bassiouny and A.A.E.M. Ramadan, 2020. Potential impacts of carbon tube and silicon oxide nanoparticles on growth, yield and antioxidant system of soybean plant. Asian J. Plant Sci., 19: 495-507.
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  5. Abd El Lateef, E.M., B.A. Bakry, M.S. Abd El-Salam and A.S.M. Younis, 2019. Effect of flax and faba bean intercropping with sugar beet on yield, quality and land use efficiency. Am.-Eurasian J. Agron., 12: 33-42.
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  6. Elkaramany, M.F., A.M. Waly, A.M. Shaban, A.B. Bakry and A.S.M. Younis, 2018. Long term effect of hydrogel on yield and yield components of double purpose (forage + seeds) mungbean grown in sandy soil. Biosci. Res., 15: 4229-4236.
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  7. Al-Naggar, A.M.M., R. Shabana, M.S. Hassanein, T.A. Elewa, A.S.M. Younis and A.M.A. Metwally, 2017. Type of gene action and heritability controlling inheritance of maize traits related to plant density tolerance. Sci. Agric., 19: 76-84.
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  8. Al-Naggar, A.M.M., R. Shabana, M.S. Hassanein, T.A. Elewa, A.S.M. Younis and A.M.A. Metwally, 2017. The effect of increasing plant density on performance and heterobeltiosis in maize testcrosses among 23 inbreds and three testers. J. Arch. Curr. Res. Int., 8: 1-14.
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  9. Al-Naggar, A.M.M., R. Shabana, M.S. Hassanein, T.A. Elewa, A.S.M. Younis and A.M.A. Metwally, 2017. Slopes of linear and quadratic relationships between maize (Zea mays L.) crop yield of inbreds and testcrosses on elevated plant density. J. Scient. Eng. Res., 4: 193-208.
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  10. Al-Naggar, A.M.M., R. Shabana, M.S. Hassanein, T.A. Elewa, A.S.M. Younis and A.M.A. Metwally, 2017. Secondary traits and selection environment of plant density tolerance in maize inbreds and testcrosses. J. Adv. Biol. Biotechnol., 14: 1-13.
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  11. Al-Naggar, A.M.M., R. Shabana, M.S. Hassanein, T.A. Elewa, A.S.M. Younis and A.M.A. Metwally, 2017. Plant density tolerance of 23 inbred lines of maize (Zea mays L.) and their 69 testcrosses. Asian Res. J. Agric., 6: 1-12.
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  12. Al-Naggar, A.M.M., R. Shabana, M.S. Hassanein, T.A. Elewa, A.S.M. Younis and A.M.A. Metwally, 2017. Line × tester analysis for yield, agronomic and physiologic traits under elevated plant density in maize. J. Applied Life Sci. Int., 13: 1-18.
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  13. Al-Naggar, A.M.M., R. Shabana, M.S. Hassanein, T.A. Elewa, A.S.M. Younis and A.M.A. Metwally, 2017. Estimation of genetic parameters controlling inheritance of maize quantitative traits under different plant densities using line × tester analysis. Asian J. Adv. Agric. Res., 2: 1-12.
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  14. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Useful heterosis and combining ability in maize (Zea mays L.) agronomic and yield characters under well watering and water stress at flowering. J. Adv. Biol. Biotechnol., 8: 1-18.
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  15. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Secondary traits and selection environment for drought tolerance at flowering in maize (Zea mays L.) inbreds and their F1 diallel crosses. Asian Res. J. Agric., 1: 1-15.
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  16. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Screening criteria and selection environment for tolerance to elevated plant density in maize (Zea mays L.) inbreds and hybrids. J. Adv. Biol. Biotechnol., 9: 1-15.
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  17. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Quadratic regression of grain protein, oil and starch contents and yields of different maize (Zea mays L.) genotypes on elevated plant density. J. Adv. Biol. Biotechnol., 6: 1-17.
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  18. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Numerical and graphical diallel analyses of maize (Zea mays L.) agronomic and yield traits under well watering and water deficit at silking. Arch. Curr. Res. Int., 5: 1-18.
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  19. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Mean performance, heterobeltiosis and combining ability of corn (Zea mays L.) agronomic and yield traits under elevated plant density. J. Applied Life Sci. Int., 7: 1-20.
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  20. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Maximizing maize (Zea mays L.) crop yield via matching the appropriate genotype with the optimum plant density. J. Applied Life Sci. Int., 5: 1-18.
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  21. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Linear and quadratic regression of maize (Zea mays L.) crop yield on elevated plant density. J. Scient. Eng. Res., 3: 111-127.
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  22. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Interrelationships of performance, heterosis and combining ability of corn (Zea mays L.) crop under elevated plant density combined with water deficit. Asian Res. J. Agric., 1: 1-30.
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  23. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Influence of deficit irrigation at silking stage and genotype on maize (Zea mays L.) agronomic and yield characters. J. Agric. Ecol. Res. Int., 7: 1-16.
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  24. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Heterosis and combining ability of maize (Zea mays L.) grain protein, oil and starch content and yield as affected by water stress. Arch. Curr. Res. Int., 4: 1-15.
    CrossRef  |  Direct Link  |  
  25. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Grain protein, oil and starch contents and yields of maize (Zea mays L.) as affected by deficit irrigation, genotype and their interaction. Int. J. Plant Soil Sci., 10: 1-21.
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  26. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Genotypic differences in grain protein, oil and starch content and yield of maize (Zea mays L.) under elevated plant density. Asian Res. J. Agric., 1: 1-18.
    CrossRef  |  Direct Link  |  
  27. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Genetic variance, heritability and selection gain of maize (Zea mays L.) adaptive traits to high plant density combined with water stress. J. Applied Life Sci. Int., 7: 1-17.
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  28. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Genetic parameters controlling inheritance of agronomic and yield traits of maize (Zea mays L.) under elevated plant density. J. Adv. Biol. Biotechnol., 9: 1-19.
    CrossRef  |  Direct Link  |  
  29. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Direct vs indirect selection for maize (Zea mays L.) tolerance to high plant density combined with water stress at flowering. J. Applied Life Sci. Int., 7: 1-17.
    CrossRef  |  Direct Link  |  
  30. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Differential responses of maize (Zea mays L.) genotypes to elevated plant density combined with deficit irrigation. J. Adv. Biol. Biotechnol., 7: 1-20.
    CrossRef  |  Direct Link  |  
  31. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Curvilinear regression of maize (Zea mays L.) grain quality traits on elevated plant density combined with deficit irrigation. J. Scient. Eng. Res., 3: 543-557.
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  32. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Crop yield response of maize (Zea mays L.) inbreds and hybrids to elevated plant density combined with deficit irrigation. Scientia, 15: 314-328.
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  33. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Correlations among mean performance, heterosis and combining ability of corn (Zea mays L.) grain quality and yield traits under elevated plant density combined with water deficit. J. Scient. Eng. Res., 3: 400-416.
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  34. Al-Naggar, A.M.M., M.M.M. Atta, M.A. Ahmed and A.S.M. Younis, 2016. Combining ability and heterosis in corn (Zea mays L.) grain quality and yield traits under different plant densities. J. Adv. Biol. Biotechnol., 8: 1-19.
    CrossRef  |  Direct Link  |  
  35. Younis, A.M., K.A. El-Shouny, A.A. Mouhamd, S.A. Saleh and M.A. Ahamad, 2010. Combining ability of ten new developed maize inbred lines and performance of their crosses under three planting dates. Egypt. J. Plant Breed., 14: 219-238.