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Efecto de la deficiencia en boro sobre el contenido de fenoles y poliaminas en plantas de tabaco cultivadas con nitrato Facultad de Ciencias Experimentales  Licenciatura en Ciencias Ambientales  Departamento de Fisiología Vegetal  Natividad Ortiz Pérez. Diciembre 2006
1. Introducción ,[object Object],[object Object],[object Object],[object Object]
1.1. La Planta De Tabaco -  Nicotiana tabacum , variedad  Gatersleben.
1.2. El Boro En Las Plantas ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
1.3. Los Fenoles En Las Plantas ,[object Object],[object Object],[object Object],[object Object]
1.4. Las Poliaminas En Las Plantas ,[object Object],[object Object],[object Object],[object Object]
2. Resultados Y Discusión ,[object Object],[object Object],[object Object]
2.1. Relación Vástago/Raíz ,[object Object],Figura 1 . Variaciones en el peso fresco de raíces de plantas de tabaco sometidas a tratamiento con +B y –B
[object Object],Figura 2 . Variaciones en el peso fresco de vástagos de plantas de tabaco sometidas a tratamiento con +B y –B
[object Object],Figura 3 . Variaciones en la relación vástago / raíz de plantas de tabaco sometidas a tratamiento con +B y –B
2.2. Contenido De Fenoles Totales ,[object Object],Figura 4 . Variaciones en el contenido radical de fenoles  en plantas de tabaco sometidas a tratamiento con +B y –B
[object Object],Figura 5 . Variaciones en el contenido de fenoles de vástagos en plantas de tabaco sometidas a tratamiento con +B y –B
2.3. Contenido De Poliaminas ,[object Object],Figura 6 . Variaciones en el contenido radical de putrescina en plantas de tabaco sometidas a tratamiento con +B y –B
[object Object],Figura 7 . Variaciones en el contenido radical de espermidina en plantas de tabaco sometidas a tratamiento con +B y –B.
[object Object],Figura 8 . Variaciones en el contenido radical de espermina en plantas de tabaco sometidas a tratamiento con +B y –B.
3. Conclusiones ,[object Object],[object Object],[object Object]
- La deficiencia en boro provoca un aumento del contenido radical de putrescina a las 24 y 48 horas del comienzo del tratamiento. - La deficiencia en boro provoca un ligero aumento del contenido radical de espermidina a las 24 horas. La deficiencia de este micronutriente también provoca un aumento en el contenido radical de espermina a las 48 horas

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Efectos de la deficiencia en boro sobre el contenido de fenoles y poliaminas en plantas de tabaco cultivadas con nitrato

  • 1. Efecto de la deficiencia en boro sobre el contenido de fenoles y poliaminas en plantas de tabaco cultivadas con nitrato Facultad de Ciencias Experimentales Licenciatura en Ciencias Ambientales Departamento de Fisiología Vegetal Natividad Ortiz Pérez. Diciembre 2006
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  • 3. 1.1. La Planta De Tabaco - Nicotiana tabacum , variedad Gatersleben.
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  • 21. - La deficiencia en boro provoca un aumento del contenido radical de putrescina a las 24 y 48 horas del comienzo del tratamiento. - La deficiencia en boro provoca un ligero aumento del contenido radical de espermidina a las 24 horas. La deficiencia de este micronutriente también provoca un aumento en el contenido radical de espermina a las 48 horas