Category: Orchid Doctor

MOLD, SOOTY: Capnodium citri

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Black, velvety membraneous coating; not parasitic on the plant; grown on honeydew secreted by insects; spray for insects with Malathion. B33; BU45 Read More

MOLD, SOOTY: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Covers sticky secretions of "honey" on leaves and flower sheaths, stems and blossoms; wipe off with absorbent cotton or tissue soaked in Captan at 1 ttpg.; it contributes to flower spotting. OD67-5... Read More

MOLD: In Flasks

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Contamination; a method to eradicate : use a strong magnifying glass on a sunny day and focus the hot spot on the mold; difficulties are caused by the curvature of the flask and condensation inside... Read More

MOLD: In Terrarium with Osmunda

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Mold was induced by previously baking the osmunda twice at 200 deg.F. A76-895 Read More

MOLD: On Bagged Bark

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is not harmful to plants, but the bark in pots will break down faster than usual unless drenched in Benlate at 1 ttpg. A79-455 Read More

MOLD: On Fir Bark in Pots

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It rarely affects the roots; a fungus which normally decays bark in the woods; Captan at 2 ttpg. can be used but is not recommended. A78-403 Read More

MONOBASIC POTASSIUM PHOSPHATE (KH2PO): As Additional Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For dendrobium-type nobiles, use at 1/2 tpg. every 2 weeks August to 15th Oct; prolific flowering, A70-50; absolutely worthless. OWD Read More

MONOPOTASSIUM PHOSPHATE: As Fertilizer on Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Two feeds of it at 5ml. per gal. water will restore hardness to leaves if a 30-10-10 fertilizer has been used, causing softening, instead of the preferred 20-20-20. OR77-264 Read More

MONOPOTASSIUM PHOSPHATE: Potash

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Suggested it be used at 1 tpg. as fertilizer applied to Dendrobium densiflorum from September on to ripen the growth and form buds in a cool atmosphere with good light. OR78-120 Read More

MONSOONS: In Southeast Asia

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They begin in June and last through September and early October; rains fall incessantly; temperatures are in the 90's F. in the plains, and in the mountains they average 70 deg.F; temperatures in O... Read More