Volume 17, Issue 1, August 2015, Pages 99–113
Tormal Djassinra1, Abla Elhartiti2, Zineb Mammad3, and Khadija Ounine4
1 Laboratoire de Microbiologie Appliquée, Faculté des Sciences, Université Ibn Tofaïl, BP 133, 14000, Kenitra, Maroc
2 Laboratoire de Microbiologie Appliquée, Faculté des Sciences, Université Ibn Tofaïl, BP 133, 14000, Kenitra, Maroc
3 Laboratoire de Microbiologie Appliquée, Faculté des Sciences, Université Ibn Tofaïl, BP 133, 14000, Kenitra, Morocco
4 Laboratoire de Microbiologie Appliquée, Faculté des Sciences, Université Ibn Tofaïl, BP 133, 14000, Kenitra, Morocco
Original language: English
Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
In this study, the behavior of Xanthomonas fragariae, angular leaf spot of strawberry agent, was followed in the AB medium, enriched with nitrogen, phosphorus or with potassium, and in the soil of the Mamora forest with 14% to 28% of humidity in function of these fertilizer elements. The obtained results have shown that Na2HPO4 and NH4Cl, used, 0.01 and 0.05 mol/L, respectively as a phosphorus and nitrogen source, have a significant effect on the survival of Xanthomonas fragariae. By contrast, KCl, used as a source of Potassium, has no significant effect on the number of culturable cells.
The three sources used NPK, 14% and 28% showed a great influence on the number of culturable cells of Xanthomonas fragariae, either increasing or decreasing. Potassium, at 28 to 14% of humidity, inhibited the rate growth of Xanthomonas, while the phosphorus and nitrogen stimulated its growth, greater than 28% of humidity than 14%. Similarly the bacterial growth was not affected during the incorporation of NPK at different concentrations in the soil of Mamora.
Author Keywords: Xanthomonas fragariae, growth, fertilization, Nitrogen-Phosphorus-Potassium, soil, humidity.
Tormal Djassinra1, Abla Elhartiti2, Zineb Mammad3, and Khadija Ounine4
1 Laboratoire de Microbiologie Appliquée, Faculté des Sciences, Université Ibn Tofaïl, BP 133, 14000, Kenitra, Maroc
2 Laboratoire de Microbiologie Appliquée, Faculté des Sciences, Université Ibn Tofaïl, BP 133, 14000, Kenitra, Maroc
3 Laboratoire de Microbiologie Appliquée, Faculté des Sciences, Université Ibn Tofaïl, BP 133, 14000, Kenitra, Morocco
4 Laboratoire de Microbiologie Appliquée, Faculté des Sciences, Université Ibn Tofaïl, BP 133, 14000, Kenitra, Morocco
Original language: English
Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
In this study, the behavior of Xanthomonas fragariae, angular leaf spot of strawberry agent, was followed in the AB medium, enriched with nitrogen, phosphorus or with potassium, and in the soil of the Mamora forest with 14% to 28% of humidity in function of these fertilizer elements. The obtained results have shown that Na2HPO4 and NH4Cl, used, 0.01 and 0.05 mol/L, respectively as a phosphorus and nitrogen source, have a significant effect on the survival of Xanthomonas fragariae. By contrast, KCl, used as a source of Potassium, has no significant effect on the number of culturable cells.
The three sources used NPK, 14% and 28% showed a great influence on the number of culturable cells of Xanthomonas fragariae, either increasing or decreasing. Potassium, at 28 to 14% of humidity, inhibited the rate growth of Xanthomonas, while the phosphorus and nitrogen stimulated its growth, greater than 28% of humidity than 14%. Similarly the bacterial growth was not affected during the incorporation of NPK at different concentrations in the soil of Mamora.
Author Keywords: Xanthomonas fragariae, growth, fertilization, Nitrogen-Phosphorus-Potassium, soil, humidity.
How to Cite this Article
Tormal Djassinra, Abla Elhartiti, Zineb Mammad, and Khadija Ounine, “Behavior of Xanthomonas fragariae in an inorganic medium enriched with N, P, or K,” International Journal of Innovation and Scientific Research, vol. 17, no. 1, pp. 99–113, August 2015.
