Newly Posted Articles

CYMBIDIUMS: Shading Green Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Shade them shortly after buds are exposed from the sheath; this prevents red pigments forming to cause muddy coloration later. OA75-179 Read More

PIGMENTATION: Reddish Pigment in Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Anthocyanins in leaves gives a clue to their living in quite strong light; the pigmentation is a protective device againt burning. A74-9 Read More

PILL BUGS: Infestation in Cattleya Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Spray Diazinon 50%WP on the surface at 1 ttpg., or 1 lb. per 50 gals, water. A75-500 Read More

PINCHING: Disbudding Some of the Growths

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Taking some buds off will provide additional strength for those left on the spike and will improve flower quality; on weak plants the dormant bud in the leaf axil can be removed to improve the flow... Read More

SOW BUGS: In Fir Bark

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Control by dusting the surface of the pot mix with Sevin dust 5%. A82-1061 Read More

ANT-PLANTS: Ants in Schomburgkia Pseudobulbs

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Five species known as the Myrmecophila (ant-loving) have natural openings at the heavy base of the pseudobulbs for ants to enter. A63-17; for full treatment, refer to F78-154+ (from Orquideologia, ... Read More

BUDS: Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Injury by two-spotted mites, illus. in A73-714 Read More

PLANTS: Companions in the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago They are a constant source of trouble: anthuriums, caladiums, crotons, gardenias and stephanotis are a favorite host for mites, aphids, mealeybugs and scale. AH3 Read More

PLANTS: Grown to Optimum Capacity

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago A sign of this is when all leaves will be wide open upon appearance. OD68-305 Read More

HUMIDIFIERS: Portable Unit Develops Fungus Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago To control this, use Physan 20 one drop in three-quarters of a gallon of water. A78-698 Read More