CAMP LOT A NOISE TROPICALS

COMMON ROTS

What to do when your plant falls victim

Please realize that this informational sheet is necessarily general. It is not meant to be a definitive answer to orchid rots. It is posted here in the hopes that our past experiences may help some other orchid grower. Please use this page as a starting point to identify the general problem area, so a specific treatments may be started. To download this page for future reference, use the "Save As" feature of your browser.

Black rot, brown rot, root rot, soft rot - they can strike your orchid plants when conditions are right. Seems as an orchid collection expands and space gets tight, the chance of a rot diseases increases. Rots are diseases that cause decay and death of plant tissues. Affected parts become black or brown. They will look and feel wet and mushy. These rots are often caused by bacteria or fungi. Control of rot depends on changing the growing conditions that allowed it to develop. Attempted cure of infected plants require the sick parts of the plant to be removed and the rest of the plant sprayed with a fungicide (according to directions on the package). Always make cuts with a hot instrument, and then place a covering of fungicide paste on the wound. The hot cutting instrument cauterizes the wound and the fungicide cover prevents secondary infections. Below are some of the more common rots and some suggestions for possible cures.

ORCHID BLACK ROT

Probably the most destructive disease to hit any orchid plant. Cattleyas are most suspectible.

Symptoms:

Cure:

BROWN ROT

Symptoms:

BASAL ROT

Symptoms:

SOFT ROT

Symptoms:

CROWN ROT

Symptoms:

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