Category: Orchid Doctor

ALCOHOL, COMMERCIAL: As Tool Sterilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Dipping will not kill virus; flame the blade after dipping. A75-437; P68(4)7 Read More

ALCOHOL, ISOPROPYL: For Insect Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 70% strength applied directly kills scales, mealybugs, red spiders, aphids, thrips; it comes in a plastic container, is available in drugstores; a small hand sprayer can be attached to the containe... Read More

ALCOHOL, RUBBING: Pesticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For aphids, mealybugs, scales, etc., can be spot sprayed from an old sprayer, such as for window-cleaner; it dries quickly, penetrates to the eggs. OIE86Sept-15 Read More

ALFALFA: Growth Stimulant

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Contains triacontanol; a powder available from healthfood stores for about $1., used in seedling mixes and others; experimental. OA83-26; OIE87Sept-7 Read More

ALGAE: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use Physan 20, at the rate of 1/2 tpg. A78-495 Read More

ALGAE: Control in Cattleya House

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Physan 20 may be too expensive; Phygon is cheaper for use on evaporative cooling pads. A74-969 Read More

ALGAE: Control in Growing Trays

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago After watering plants, rinse the tray grave1 if possible and allow grave 1 to dry fully to kill algae; repeat periodically; or, spray grave 1 with Simazine 80W, 1 tpq. A70-535 Read More

ALGAE: Control on Surface of Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use 1.5 ttpg. of Maneb (Manzate) as heavy spray. A73-409 Read More

ALGAE: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago When it occurs in a humidity tray holding water and pebbles, pour in a little chlorine (household bleach), let it remain for a while then decant and ventilate; or, use neutral copper. A86-929 Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More