Category: Ailments

FUNGUS: Potting Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Orchids are tolerant of fungal neighbors around their roots and are unlikely to suffer; apply a weak fungicide other than Benlate. OR76-361 Read More

FUNGUS: Preventative Spraying

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use Truban and Banrot every two months mixed together 1/2 tpg. of each in the same gallon of water. A87-794 Read More

SEED: Disinfectants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Calcium hypochlorite is a very reliable choice; some people prefer Clorox. A62-925 Read More

FUNGUS: Septate Type Spotting Under the Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Control it with a Banrot spray at lttpg. and repeat in two to three weeks. A82-690 Read More

FUSARIUM WILT: Two Kinds Do Damage

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They enter through roots or rhizome; they plug the water-conducting tubules; infected parts turn purple; cut off all infection; use Actidione (using great caution) or, dip the plant in Benlate (ben... Read More

CYMBIDIUM TIP BURN: Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Botrytis. sp. cause leaf tip to become spotted; the spots join up to cause tip to die; powdery masses of spores show; cut off and treat with Tersan or other fungicide. N317 Read More

SPOROTRICHOSIS: A Fungus Disease

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Contracted by handling lots of natural materials including sphagnum moss; it is introduced through punctures in the skin; forms nodules on the extremities; causes arthritis, lung inflammation, abdo... Read More

SPOT INFECTION: Bacterial Ailment

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is found on phalaenopsis especially, and on cattleyas; hyaline (glassy, transparent) spots or depressions are not systemic and can be stopped by keeping the foliage dry at night; avoid condensat... Read More

SPOTS, DOUGHNUT-LOOKING: On Phalaenopsis Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Likely the fungus disease anthracnose; remove the damaged leaves; spray with Fore (Dithane M45) at 1.5 ttpg.; dry leaves before night by use of a fan. A70-345 Read More

SPRAY EQUIPMENT: Rinsing Materials

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use plain water first on the equipment after it has been used; then use household ammonia at one part to five or ten parts water; then lastly plain water. A78-1124 Read More