Dr. Khalid Ali Khalid Ahmed
My Social Links

Dr. Khalid Ali Khalid Ahmed

Researcher
Research of Medicinal & Aromatic Plants Department, Pharmaceutical Industries Division, National Research Centre (NRC), El-Buhouth St., 12622, Dokki, Cairo, Egypt

Highest Degree
PostDoc. in Plant Physiology And Ecology from Shanghai Institute of Physiology, China

Share this Profile

Biography

Dr. Khalid Ali Khalid Ahmed is currently working as Professor at National Research Centre, Egypt. He obtained his Ph.D. in Plant and Soil Sciences from same Institute. In past he worked as Associate Researcher, Researcher and Associate Professor at National Research Center Egypt, and Post Doctoral Researcher and Scholar Visitor at Chinese Academy of Science, China. He is also serving a peer reviewer of journals such as Journal of Agricultural Science and Technology Biodiversities Journal, Journal of Essential oil Bearing Plants, International journal of Science and Advanced Technology, Acta Advances in Agricultural Sciences, and Nusantra Bioscience. He has 3 publications in journals.

Area of Interest:

Plant and Soil Sciences
100%
Medicinal Plant
62%
Aromatic Plants
90%
Essential Oil
75%
Plant Biotechnology
55%

Research Publications in Numbers

Books
0
Chapters
3
Articles
124
Abstracts
1

Selected Publications

  1. Khalid, K.A., A.E. El-Gohary, A.M.A. Ahmed, F.M.A.M. Elkady and I.M. Talaat, 2019. L-tryptophan affects the essential oil of navel orange under various growing regions. Biocatal. Agric. Biotechnol., Vol. 20. 10.1016/j.bcab.2019.101181.
    CrossRef  |  Direct Link  |  
  2. Khalid, K.A., A.E. El-Gohary and A.M.A. Ahmed, 2019. Exploitation of sweet lemon residues in the production of essential oils. Bull. Natl. Res. Centre, Vol. 43. 10.1186/s42269-019-0193-8.
    CrossRef  |  Direct Link  |  
  3. Khalid, K.A., 2019. Harvest stages and their influences on Lantana camara L. essential oil. Biocatal. Agric. Biotechnol., Vol. 22. 10.1016/j.bcab.2019.101403.
    CrossRef  |  Direct Link  |  
  4. Khalid, K.A. and A.M.A. Ahmed, 2019. Benzoic acid induced variations in essential oil of Valencia orange trees grown in reclaimed land of Egypt. J. Essent. Oil Bearing Plants, 22: 851-857.
    CrossRef  |  Direct Link  |  
  5. Amer, H.M., D.A. Marrez, A.B. Salama, H.E. Wahba and K.A. Khalid, 2019. Growth and chemical constituents of cardoon plant in response to foliar application of various algal extracts. Biocatal. Agric. Biotechnol., Vol. 21. 10.1016/j.bcab.2019.101336.
    CrossRef  |  Direct Link  |  
  6. Ahmed, A.M., I.M. Talaat and K.A. Khalid, 2019. Hexaconazole and sodium selenate effectiveness on the productivity of Moringa oleifera. Bull. Natl. Research Centre, Vol. 43. 10.1186/s42269-019-0113-y.
    CrossRef  |  Direct Link  |  
  7. Wahba, H.E. and A.K. Khalid, 2018. Comparative study on essential oil composition in various organs of sodom apple (Calotropis procera) grown wild in Egypt. Asian J. Plant Sci., 17: 85-90.
    CrossRef  |  Direct Link  |  
  8. Khalid, K.A., A.E. El-Gohary and A.M.A. Ahmed, 2018. Effect of the interaction between salicylic acid and geographical locations on grapefruit essential oil. J. Essent. Oil Bearing Plants, 21: 1594-1603.
    CrossRef  |  Direct Link  |  
  9. Khalid, K.A., 2018. Nitrogen application and different plant densities effectiveness on the productivity of parsley crop. Asian J. Crop Sci., 10: 141-150.
    CrossRef  |  Direct Link  |  
  10. Khalid, K.A., 2018. Evaluation of black cumin oils under various nitrogen treatments. J. Mater. Environ. Sci., 9: 873-878.
    Direct Link  |  
  11. El-Gohary, A., K.A. Khalid and M.S. Hussein, 2018. Effect of drying and distillation techniques on the oil ingredients of mint (Mentha sp.). Asian J. Crop Sci., 10: 151-159.
    CrossRef  |  Direct Link  |  
  12. Badawy, E.S.M., K.A. Khalid, A.A.E.M. Heikal and M.M. Nagdy, 2018. Effect of salinity stress and soil types on growth, photosynthetic pigments and essential oil of Artemisia annua L. Asian J. Crop Sci., 10: 40-47.
    CrossRef  |  Direct Link  |  
  13. Ahmed, A.M.A., F.M.A.M. Elkady and A.K. Khalid, 2018. Morphological and chemical characters of Petroselinum crispum (Mill) subjected to some biostimulants. Asian J. Plant Sci., 17: 96-106.
    CrossRef  |  Direct Link  |  
  14. Ahmed, A.M.A., F.M.A.M. ElKady and K.A. Khalid, 2018. Comparison between salicylic acid and selenium effect on growth and biochemical composition of celery. Asian J. Plant Sci., 17: 150-159.
    CrossRef  |  Direct Link  |  
  15. Mohamed, M.A., A.K. Khalid, H.E. Wahba and M.E. Ibrahim, 2017. Effect of different locations and growing season on growth and active materials of aloe. J. Mater. Environ. Sci., 8: 4220-4225. J. Mater. Environ. Sci., 8: 4220-4225.
  16. Khalid, K.A., H.M. Amer, H.E. Wahba, S.F. Hendawy and T.M. Abd El-Razik, 2017. Selenium to improve growth characters, photosynthetic pigments and essential oil composition of chives varieties. Asian J. Crop Sci., 9: 92-99.
    CrossRef  |  Direct Link  |  
  17. Khalid, K.A. and A.M.A. Ahmed, 2017. Growth and certain biochemical components of black cumin cultivated under salinity stress factor. J. Mater. Environ. Sci., 8: 7-13.
    Direct Link  |  
  18. Khalid, K.A. and A.M. Ahmed, 2017. Response of summer savory essential oil to the ascorbic acid under arid lands. J. Essential Oil Bear. Plants, 20: 1502-1510.
    CrossRef  |  Direct Link  |  
  19. Khalid, A.K., 2017. Impact of nitrogen, phosphorous, potassium and foliar feeding on total lipids and fatty acids of Nigella sativa L. grown in arid zones. Int. J. Bot., 13: 52-58.
  20. Khalid, A.K., 2017. Evaluation of fixed oil and fatty acids of black cumin under cobalt or kinetin treatments. J. Mater. Environ. Sci., 8: 1554-1559.
    Direct Link  |  
  21. Khalid, A.K., 2017. Changes in lipids and fatty acids of Nigella sativa L. under salinity stress. J. Mater. Environ. Sci., 8: 3502-3507.
    Direct Link  |  
  22. Ibrahim, M.E., S.S. Ahmed, K.A. Khalid and S.A. El-Sawi, 2017. Characterization of essential oil content isolated from Rhus flexicauli (Baker). Int. Food Res. J., 24: 897-899.
    Direct Link  |  
  23. Ahmed, S.S., M.E. Ibrahim, A.K. Khalid and S.A. El-Sawi, 2017. Phytochemicals, volatile oil and biological activities of Triumfetta flavescens (Hochst). Int. Food Res. J., 24: 2102-2106.
    Direct Link  |  
  24. Ahmed, M.A. and A.K. Khalid, 2017. Influence of kinetin on growth, chemical constituents and nutrient content of black cumin (Nigella sativa L.). Bangladesh J. Bot., 46: 783-787.
  25. Ahmed, A.M.A., I.M. Talaat and A.K. Khalid, 2017. Soil moisture and glutamic acid affect yield, volatile oil and proline contents of oregano herb (Origanum vulgare L.). Int. J. Bot., 13: 43-51.
    CrossRef  |  Direct Link  |  
  26. Ahmed, A.M.A., I.M. Talaat and A.K. Khalid, 2017. Citric acid affects Melissa officinalis L. essential oil under saline soil. Asian J. Crop Sci., 9: 40-49.
  27. Mohamed, M.A., M.E. Ibrahim, H.E. Wahba and K.A. Khalid, 2016. Yield and essential oil of sweet basil affected by chemical and biological fertilizers. Res. J. Med. Plant, 10: 246-253.
    CrossRef  |  Direct Link  |  
  28. Mohamed, M.A., H.E. Wahba, K.A. Khalid, M.E. Ibrahim, S.S. Ahmed and H. Motawe, 2016. Effect of ammonium nitrateon yield of leaves, gel and crude aloin of Aloe vera L. J. Mater. Environ. Sci., 7: 4657-4662.
    Direct Link  |  
  29. Khalid, K.A., 2016. Impact of Cobalt Ion on Essential Oil Composition Extracted from Nigella sativa L. Res. J. Med. Plants, 10: 409-413.
    CrossRef  |  
  30. Khalid, K.A., 2016. Essential oil constituents of summer savory plants propagated and adapted under Egyptian climate. J. Appl. Sci., 16: 54-57.
    Direct Link  |  
  31. Khalid, K.A. and M.R. Shedeed, 2016. Yield and chemical composition of Nigella sativa L. essential oil produced under kinetin treatments. J. Essential Oil Bearing Plants, 19: 1740-1746.
    CrossRef  |  Direct Link  |  
  32. Khalid, K.A. and A.M.A. Ahmed, 2016. Effect of foliar nutrition on Nigella sativa L. plants cultivated under ammonium sulfate treatments. Int. J. Bot., 12: 11-16.
    CrossRef  |  Direct Link  |  
  33. Khalid, A.K., 2016. Effect of soil solarization on yield, essential oil and nutrient content of basil species. Bangladesh J. Bot., 45: 619-625.
  34. Khalid, A.K. and M.R. Shedeed, 2016. GC-MS analyses of black cumin essential oil produces with sodium chloride. Int. Food Res. J., 23: 832-836.
    Direct Link  |  
  35. Khalid, A.K. and A.M.A. Ahmed, 2016. Effect of cobalt on growth, yield and chemical constituents of Nigella sativa L. J. Mater. Environ. Sci., 7: 2201-2207.
    Direct Link  |  
  36. Ibrahim, M.E., S.S. Ahmed, K.A. Khalid and S.A. El Sawi, 2016. Essential oil composition of Iphiona scabra (DC) grow wild in Egypt. Int. Food Res. J., 23: 1823-1826.
    Direct Link  |  
  37. Khalid, K.A., E.A. Omer, A.G. El Gendy and M.S.H. Hussein, 2015. Impact of organic compost and humic acid on essential oil composition of sweet fennel (Foeniculum vulgare var. Dulce) under sandy soil conditions in Egypt. World J. Pharmaceut. Sci., 3: 160-166.
    Direct Link  |  
  38. Khalid, K.A., 2015. Volatile oil constituents of sweet fennel fruits treated with some macro and micro nutrients under desert conditions in Egypt. Moroccan J. Chem., 3: 229-237.
  39. Khalid, K.A., 2015. Seed yield, fixed oil, fatty acids and nutrient content of Nigella sativa L. cultivated under salt stress conditions. J. Agron., 14: 241-246.
  40. Khalid, K.A., 2015. Effect of macro and micro nutrients on essential oil of coriander fruits. J. Mater. Environ. Sci., 6: 2060-2065.
    Direct Link  |  
  41. Khalid, A.K., 2015. Quality and quantity of pimpinella anisum L. essential oil treated with macro and micronutrients under desert conditions. Int. Food Res. J., 22: 2396-2402.
    Direct Link  |  
  42. Khalid, A.K. and M.R. Shedeed, 2015. Effect of NPK and foliar nutrition on growth, yield and chemical constituents in Nigella sativa L. J. Mater. Environ. Sci., 6: 1709-1714.
    Direct Link  |  
  43. Ibrahim, M.E., M.A. Mohamed and K.A. Khalid, 2015. Effect of plant growth regulators on the rooting of lemon verbena cutting. J. Mater. Environ. Sci., 6: 28-33.
    Direct Link  |  
  44. Ibrahim M.E., M.A. Mohamed and K.A. Khalid, 2015. Growth and essential oil composition affected by foliar nutrition application on lemon verbena plant. J. Mater. Environ. Sci., 6: 1824-1828.
    Direct Link  |  
  45. Ahmed, S., M. Ibrahim and K. Khalid, 2015. Investigation of essential oil constituents isolated from trichodesma africanum (L.) grow wild in Egypt. Res. J. Med. Plant, 9: 248-251.
    Direct Link  |  
  46. Khalid, A.K., 2014. Influences of silicate dissolving bacteria and natural potassium on growth and essential oil of rue plant. Thai J. Agric. Sci., 47: 31-36.
    Direct Link  |  
  47. Khalid, A.K., 2014. Essential oil composition of some spices treated with phosphorous in arid regions. J. Essent. Oil Bearing Plants, 17: 972-980.
    CrossRef  |  Direct Link  |  
  48. Khalid, A.K., 2014. Essential oil composition of some spices treated with nitrogen in arid regions. Int. Food Res. J., 21: 2305-2309.
    Direct Link  |  
  49. Khalid, A.K. and M.R. Shedeed, 2014. The effects of saline irrigation water and cobalt on growth and chemical composition in Nigella sativa. Nusantra Biosci., 6: 146-151.
    CrossRef  |  Direct Link  |  
  50. Khalid, A.K. and M.R. Shedeed, 2014. Influence of kinetin on growth and biochemical accumulation in Nigella sativa L. plants grow under salinity stress conditions. Thai J. Agric. Sci., 47: 195-203.
    Direct Link  |  
  51. Khalid, A.K. and A.E. El-Gohary, 2014. Effect of seasonal variations on essential oil production and composition of Plectranthus amboinicus (Lour.) grow in Egypt. Int. Food Res. J., 21: 1859-1862.
    Direct Link  |  
  52. Ibrahim, M.E., S.S. Ahmed, S.A. El-Sawi and K.A. Khalid, 2014. Investigation of essential oil extracted from Solenstemma arghel (Dellile) Hayne. J. Essent. Oil Bearing Plants, 17: 629-632.
    CrossRef  |  Direct Link  |  
  53. Ibrahim, M.E., M.A. Mohamed and K.A. Khalid, 2014. Effect of growing locations on the essential oil content and compositions of lemon verbena shrubs under the conditions of Egypt. J. Essent. Oil Bearing Plants, 17: 288-294.
    CrossRef  |  Direct Link  |  
  54. Ibrahim, M.E., M.A. Mohamed and K.A. Khalid, 2014. Effect of frequent harvest on yield and essential oil of lemon verbena grow under Egyptian conditions. J. Mater. Environ. Sci., 5: 1355-1359.
    Direct Link  |  
  55. El-Gohary, A.E., S.E. El-Sherbeny, G.M.E.M. Ghazal, K.A. Khalid and M.S. Hussein, 2014. Evaluation of essential oil and monoterpenes of peppermint (Mentha piperita L.) under humic acid with foliar nutrition. J. Mater. Environ. Sci., 5: 1885-1890.
    Direct Link  |  
  56. Metwally, S.A., A.K. Khalid and B. Abou-Leila, 2013. Effect of water regime on the growth, flower yield, essential oil and proline contents of Calendula officinalis. Nusantara Biosci., 5: 65-69.
    CrossRef  |  Direct Link  |  
  57. Khalid, K.A., 2013. Effect of nitrogen fertilization on morphological and biochemical traits of some apiaceae crops under arid region conditions in Egypt. Nusantara Biosci., 5: 15-21.
    CrossRef  |  Direct Link  |  
  58. Khalid, A.K., 2013. Effect of potassium uptake on the composition of Calendula officinalis L. flower's content of essential oil. Emirates J. Food Agric., 25: 189-195.
    CrossRef  |  Direct Link  |  
  59. Ibrahim, M.M. and A.K. Khalid, 2013. Phenotypic recurrent selection on herb growth yield of citronella grass (Cymbopogon nardus) grown in Egypt. Nusantara Biosci., 5: 70-74.
    CrossRef  |  Direct Link  |  
  60. Khalid, K.A., 2012. Effect of phosphorous fertilization on anise, coriander and sweet fennel plants growing under arid region conditions. Med. Aromat. Plant Sci. Biotechnol., 6: 127-131.
    Direct Link  |  
  61. Khalid, K.A., 2012. Effect of NP and foliar spray on growth and chemical compositions of some medicinal apiaceae plants grow in arid regions in Egypt. J. Soil Sci. Plant Nutr., 12: 581-596.
    CrossRef  |  Direct Link  |  
  62. Khalid, K.A. and M.S. Hussien, 2012. Effect of cattle and liquid manures on essential oil and antioxidant activities of celery (Apium graveolens L.) Fruits. J. Essent. Oil Bear. Plants, 15: 97-107.
    CrossRef  |  Direct Link  |  
  63. Khalid, A.K., 2012. Soil solarization and its effects on medicinal and aromatic plants. Bioscience, 4: 36-44.
    Direct Link  |  
  64. Khalid, A.K., 2012. Influence of hydro-distillation time on the yield and quality of dill volatile constituents. Med. Aromat. plant Sci. Biotechnol., 6: 46-49.
  65. Khalid, A.K., 2012. Biological fertilization and its effect on medicinal and aromatic plants. Nusantara Biosci., 4: 124-133.
    CrossRef  |  Direct Link  |  
  66. Khalid, A.K. and A.T.S. Jaime, 2012. Biology of Calendula officinalis Linn: Focus on pharmacology, biological activities and agronomic practices. Med. Aromat. Plant Sci. Biotechnol., 6: 12-27.
  67. Hendawy, S.F., S.E. El-Sherbeny, M.S. Hussein, K.A. Khalid and G.M. Ghazal, 2012. Response of two species of black cumin to foliar spray treatments. Aust. J. Basic Applied Sci., 6: 636-642.
    Direct Link  |  
  68. Behtari, B., F. Gholami, A.K. Khalid, G.D. Tilaki and R. Bahari, 2012. Effect of growth stages and altitude on artemisia herba-alba asso essential oil growing in Iran. J. Essent. Oil Bear. Plants, 15: 307-313.
  69. Khalid, K.A., 2011. Evaluation of Salvia officinalis L. essential oil under selenium treatments. J. Essent. Oil Res., 23: 57-60.
    CrossRef  |  Direct Link  |  
  70. Khalid, K.A. and W. Cai, 2011. The effects of mannitol and salinity stresses on growth and biochemical accumulations in lemon balm. Acta Ecol. Sinica, 31: 112-120.
    CrossRef  |  Direct Link  |  
  71. Khalid, A.K. and A.M.A. Ahmed, 2011. Effect of harvest time on the lemon balm essential oils. Acta Horticulturae, 925: 237-242.
    Direct Link  |  
  72. Hendawy, S.F. and A.K. Khalid, 2011. Effect of chemical and organic fertilizers on yield and essential oil of chamomile flower heads. Med. Aromat. Plant Sci. Biotechnol., 5: 43-48.
  73. Ahmed, K.A., 2011. Effect of potassium nutrition on essential oil of Calendula officinalis L. flowers. Planta Med., Vol. 77. .
  74. Said-Al Ahl, H.A.H. and A.K. Khalid, 2010. Response of Coriandrum sativum L. essential oil to organic fertilizers. J. Essent. Oil Bearing Plants, 13: 37-44.
    CrossRef  |  Direct Link  |  
  75. Khalid, K.A., J.A.T. da Silva and W. Cai, 2010. Water deficit and polyethylene glycol 6000 affects morphological and biochemical characters of Pelargonium odoratissimum (L.). Sci. Hortic., 125: 159-166.
    CrossRef  |  Direct Link  |  
  76. Khalid, K.A. and J.A.T. da Silva, 2010. Yield, essential oil and pigment content of Calendula officinalis L. flower heads cultivated under salt stress conditions. Sci. Hortic., 126: 297-305.
    CrossRef  |  Direct Link  |  
  77. Yassen, A.A. and K.A. Khalid, 2009. Influence of organic fertilizers on the yield, essential oil and mineral content of onion. Inter. Agrophys, 23: 183-188.
    Direct Link  |  
  78. Khalid, A.K., W. Hu, W. Cai and M.S. Hussien, 2009. Influence of cutting and harvest day time on the essential oils of lemon balm (Melissa officinalis L.). J. Essent. Oil Bear. Plants, 12: 348-357.
  79. Khalid, A.K., W. Cai and A.M.A. Aisha, 2009. Effect of harvesting treatments and distillation methods on the essential oil of lemon balm and apple geranium plants. J. Essent. Oil Bear. Plants, 12: 120-130.
    CrossRef  |  Direct Link  |  
  80. Khalid, A.K., S.M. Zaghloul and A.Y. Abd-Elazim, 2009. Responses of Thyme (Thymus vulgaris L.) to magnesium applications. Med. Aromat. plant Sci. Biotechnol., 3: 52-57.
  81. El-Tohamy, W.A., A.K. Khalid, H.M. El-Abagy and S.D. Abou-Hussein, 2009. Essential oil, growth and yield of onion (Allium cepa L.) in response to foliar application of some micronutrients. Aust. J. Basic Appl. Sci., 3: 201-205.
    Direct Link  |  
  82. Khalid, A.K., W. Hu and W. Cai, 2008. The effects of harvesting and different drying methods on the essential oil composition of lemon balm (Melissa officinalis L.). J. Essent. Oil Bear. Plants, 11: 342-352.
    CrossRef  |  Direct Link  |  
  83. Khalid, K.A., S.E. El-Sherbeny and A.M. Shafei, 2007. Response of Ruta graveolens L. to rock phosphate and/or feldspar under biological fertilizers. Arab Univ. J. Agri. Sci., 15: 203-213.
    Direct Link  |  
  84. Acourene, S., K.A. Khalid, A. Bacha, M. Tama and B. Taleb, 2007. Optimization of bakery yeast production cultivated on musts of dates. J. Applied Sci. Res., 3: 964-971.
    Direct Link  |  
  85. Khalid, K.A., S.F. Hendawy and E. El-Gezawy, 2006. Ocimum basilicum L. production under organic farming. Res. J. Agric. Biol. Sci., 2: 25-32.
    Direct Link  |  
  86. Khalid, K.A., A.A. Yassen and S.M. Zaghloul, 2006. Effect of soil solarization and cattle manure on the growth, essential oil and chemical composition of Calendula officinalis L. plants. J. Applied Sci. Res., 2: 142-152.
    Direct Link  |  
  87. Khalid, K.A., 2006. Influence of water stress on growth, essential oil and chemical composition of herbs (Ocimum sp.). Int. Agrophys., 20: 289-296.
    Direct Link  |  
  88. Khalid, K.A. and AH. EL-Ghorab, 2006. The effect of presowing low temperature on essential oil content and chemical composition of Calendula officinalis L. J. Essent. Oil Bear. Plants, 9: 32-41.
  89. Khalid, K.A., S.D. Abou-Hussien and S.R. Salman, 2005. Influence of sulphur and biofertilizer (Sulphur- Oxidizing Bacteria) on the growth, oil and chemical composition of Celery plant. Ann. Agric. Sci., 50: 249-262.
    Direct Link  |  
  90. Khalid, K.A. and A.M. Shafei, 2005. Productivity of dill (Anethum graveolens L.) as influenced by different manure rates and sources. Arab Univ. J. Agri. Sci., 13: 901-913.
    Direct Link  |  
  91. Hendawy, S.F. and K.A. Khalid, 2005. Response of sage (Salvia officinalis L.) plants to zinc application under different salinity levels. J. Applied Sci. Res., 1: 147-155.
    Direct Link  |  
  92. Khalid, K.A., 2004. Response of white mustard (Sinapis alba L.) plants to calcium superphosphate and phosphorene under calcareous soil conditions. Arab Univ. J. Agric. Sci., 12: 735-747.