{"id":3934,"date":"2022-12-12T15:48:29","date_gmt":"2022-12-12T13:48:29","guid":{"rendered":"https:\/\/microaktiv.com\/stress-abiotique-des-plantes\/"},"modified":"2023-03-07T12:59:05","modified_gmt":"2023-03-07T10:59:05","slug":"stress-abiotique-des-plantes","status":"publish","type":"page","link":"https:\/\/microaktiv.com\/fr\/stress-abiotique-des-plantes\/","title":{"rendered":"Stress abiotique des plantes"},"content":{"rendered":"

Grow the bio way<\/p>\n<\/div>

Stress abiotique des plantes<\/h2><\/div>

Le stress abiotique des plantes (SAP) est un ph\u00e9nom\u00e8ne caus\u00e9 par des facteurs externes \u00e0 l’environnement de la plante. Le SAP peut se produire sous terre, par exemple lors du rempotage ou de la transplantation qui endommage les racines, ou par la salinit\u00e9 du sol. Mais le SAP peut \u00e9galement se produire en surface en raison des influences du vent et\/ou de la temp\u00e9rature, de la s\u00e9cheresse ou d’une irradiation trop importante.<\/p>\n

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Les plantes aussi souffrent de stress<\/b><\/p>\n<\/div>

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Que provoque le stress abiotique ?<\/h1><\/div>

Le stress abiotique r\u00e9duit le rendement des cultures. Les facteurs de stress environnemental, tels que la chaleur, le froid, la s\u00e9cheresse, la salinit\u00e9 et la pr\u00e9sence de m\u00e9taux lourds (par ex. cadmium, cuivre chrome) d\u00e9clenchent des r\u00e9actions de stress chez les plantes, notamment une accumulation d’esp\u00e8ces r\u00e9actives de l’oxyg\u00e8ne (ERO) et une r\u00e9duction de l’activit\u00e9 photosynth\u00e9tique, qui finissent par r\u00e9duire la croissance des plantes et donc le rendement des cultures.<\/p>\n<\/div><\/div><\/div>

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