Newly Posted Articles

WINDOW GROWING: Recommended Plants Listed

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Epidendrum tampense, Epi. difforme, Epiphronitis Veitchii, Paphiopedilum Maudiae 'Magnificum', Brassavola nodosa, Aspasia principissa, and Brapasia Serene. A74-517Smaller Slc. hybrids, Cattleya lut... Read More

SHEATHS: Blind

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago On cattleyas are caused by insufficient light; hang them up close to the roof of the greenhouse. ODA72-134 Read More

FOOT-CANDLES: Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago A sodium vapor lamp illuminated all night 100ft. away from cymbidiums in a greenhouse may not affect their flowering because they are temperature-responders; but plants requiring short days will no... Read More

PHALAENOPSIS: Bud Blast Caused by Unvented Propane Heater

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Incompletely combusted gas could affect plants, which are susceptible to gas; check the burners. A85-872 Read More

CAPSULES: Number Possibly Borne by One Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago A strong plant capable of supporting capsules can have more than one cross at the same time; the maximum would vary with the strength of the plant. A85-611 Read More

CAPSULES: Sterilization

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Wash them in soap and water or scrub them in the same, rinse and submerge in a 50% solution of bleach for 12 minutes; rinse again; if the capsule was intact the seed should have been sterile inside... Read More

CAPTAN 50%WP: Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Has good residual action; spray at 1.5 ttpg. weekly; LD50 of 9,000 mg. is moderately safe. A71-894 Read More

CAPTAN: A Popular Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Has LD50 of 3,000 or more; use it as a spray; it can injure flowers. A73-811 Read More

CAPTAN: Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago This has been banned in Australia. AU87Winter-16 Read More

CARBON DIOXIDE: Air Fertilization Data

Author is Robert M. [Bert] Hamilton (Compiler), posted over 9 years ago Experiments on non-orchid plants in Vermont; also on cattleyas in Tokyo; both with beneficial results; most effectively applied in the afternoon; use dry ice in coffee cans wrapped well in newspape... Read More