Pourquoi mes cactus noircissent ?
Pourquoi mes cactus noircissent ?
Si votre cactus devient légèrement mou et qu'il prend une couleur marron ou noire, il est sans doute attaqué par le phytophthora cactorum, un champignon qui commence par cibler les racines puis qui remonte au collet de la plante.
Pourquoi mon cactus devient blanc ?
Décoloration, allongement de la plante (étiolement) : manque de lumière. La luminosité est l'une des conditions au bon développement et à la bonne santé du cactus. En cas de manque de lumière, le cactus s'allonge et se penche vers la lumière.
How to take care of a newly bought cactus?
- When treating your cactus for any diseases/pests, make sure to disinfect the pot and the soil (fresh one) before planting your cactus. Otherwise, there is a big chance of reinfection. Quarantine (isolate) your newly purchased or affected cacti. Newly bought cacti might be carrying pests and will cause infection of other plants.
Why is my Cactus soft and mushy?
- The pests and problems common to the plant group are minimal and usually easy to surmount. Cactus problems may range from sucking pests, like whitefly, to common rots from bacteria or fungal disease. One of the telltale signs of a problem is a soft, mushy cactus. Why is My Cactus Going Soft?
What does it mean when a cactus has spots on it?
- These may be discolored or corky around the spot and the center is mushy and wet. for such spots may be disease or simply mechanical injury to the pads and stems of the cacti. Cactus rot issues must be dealt with quickly to prevent spread to the rest of the plant and serious loss of vigor, which may become permanent.
What kind of soil does a cactus need to grow?
- Your cacti need rocky and well draining soil + a pot with drainage holes. Don’t fertilize the soil with manure or other fertilizer with high organic content. If cacti’s soil remains wet for prolonged periods of time, it will cause rot.
