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Mecanismos de tolerância à salinidade

Mecanismos de tolerância à salinidade

Samira SOUALEM

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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Biologia, ciencias de la vida
ISBN:
9786208267193
75,32 €
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Sobre IBD

Alriplex halimus L. é uma planta forrageira importante nas zonas áridas do Mediterrâneo. O objetivo deste estudo é identificar, dentro da diversidade genética natural de uma população, os tipos que podem comportar-se de forma óptima em determinadas condições salinas. Centrámos as nossas observações no comportamento in vitro de plantas regadas com uma solução salina composta por NaCl +CaCl2 a 400 e 600 meq e com água do mar diluída a 50% e não diluída. Os resultados obtidos mostraram que os indicadores do estado hídrico da planta eram sensíveis às variações do teor de sal do substrato. Além disso, a utilização de dois tipos de substrato com concentrações crescentes de sais provocou variações estruturais e bioquímicas nas plantas testadas. No entanto, o comportamento das plantas em relação à origem do sal nem sempre é semelhante, e esta reação deve ser tida em conta se quisermos compreender melhor a complexidade dos mecanismos de adaptação da planta.

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Otros libros del autor

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    Samira SOUALEM
    Alriplex halimus L. is an important forage plant in Mediterranean arid zones. The aim of this study is to identify, within the natural genetic diversity of a population, the types that can behave optimally under certain saline conditions. We focused our observations on the in vitro behavior of plants watered with a saline solution composed of NaCl +CaCl2 at 400 and 600 meq, and...
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