Category: Orchid Doctor

INSECTICIDES, SYSTEMIC: For Red Spider

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use Murphy Systemic System Insecticide twice at a ten-day interval followed three weeks later by two further sprays of PBISystemic Insecticide, then monthly thereafter alternating the two; effectiv... Read More

INSECTICIDES: Best Ones

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Sevin 80% recommended; a wettable powder sprayed or dusted monthly; controls scale, mealy-bug and others including bush snails. OD73-139 Read More

INSECTICIDES: Emulsifiable Concentrate (e.c.)

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A creamy liquid; if free oil droplets float on the prepared mix the emulsion has broken down and must be discarded. SA84Dec-135 Read More

INSECTICIDES: Expensive Little Packages

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The smallest available package of Mesurol WP which is frequently recommended, is 1,5Kg at the price of NZ$124.00. NZ86-193 Read More

INSECTICIDES: Guidelines on Their Application

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Apply them only when the sun is down; when the foliage is dry and the pots wet; use those products which are least toxic to humans; use wettable powders for all concerned; take precautions from fir... Read More

INSECTICIDES: Harmful Sprays

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Species that can be damaged when in tender new growth include catasetums, cycnoches and mormodes. ODA77(4)-5+ Read More

INSECTICIDES: In the Home

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Spray plants in the kitchen with Malathion which is as safe as any broad-spectrum insecticide can be; it is volatile and smells unpleasantly. A74-433Spray plants under lights in the basement with m... Read More

INSECTICIDES: In the Home, for Spraying

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use a clear plastic garbage bag about 30 inches by 40 inches; place layers of newspaper on bottom of lengthwise bag; place problem plants inside up to a dozen or so; use a sprayer with plastic open... Read More

INSECTICIDES: Miticide Included

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Diazinon and Cygon are both excellent for insects including mites; Cygon has been reported as injurious to lycastes; test both of them first: Diazinon 50WP at 1 tpg., Cygon 2E at 1 to 2 tpg. A74-1062 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

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