Category: Orchid Doctor

PIRIMIR: As Aphid Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A wettable powder insecticide, recommended by growers. RMH Read More

PLANT GROWTH: Four Basic Steps

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Photosynthesis, transpiration, translocation and respiration -- for details refer to A73-780+ Read More

PLANT HEALTH SYSTEMS: Significance

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If plant cells are damaged by pathogens and if air is present, the phenolic compounds in these cells form products toxic to the pathogens; refer to AU78-93 and following Read More

PLANT MARVEL INSECT BOMB: Contents

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Pyrethrum, rotenone, piperonyle, cycloaeone plus alcohol; unless used every four or five days it is not recommended for scale and mealy bugs. A75-298 Read More

PLANTS: Companion Plants to Grow with Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Recommended are: bromeliads, ceropegias, epiphytic ferns, peperomias, anthuriums, small philodendrons, selaginellas, pa 1ms, alocacias. ODA78(2)-16 Read More

PLANTS: Companions in the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 years ago A sign of this is when all leaves will be wide open upon appearance. OD68-305 Read More

PLANTS: Imported Into the Country

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To start them in the greenhouse, pot in moist medium, and place in a polyethylene bag with the top closed or nearly closed until the roots show. A77-209 Read More

PLANTS: Imported Species

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Legal restrictions on importing all species became a reality early in 1977 with the implementation of the International Convention trade restrictions on Endangered and Threatened Species of Flora a... Read More

PLANTS: New to the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Isolation for a time for disease control is recommended before introducing new plants into the collection; they should be isolated for at least a week; many of them can be diseased; appropriate spr... Read More

Ailments

(931 articles)

Angraecoids

(41 articles)

Announcements

(4 articles)

Beginners

(21 articles)

Book Review

(4 articles)

Bulbophyllums

(2 articles)

Cattleya Alliance

(95 articles)

Conservation

(16 articles)

Culture

(1363 articles)

Curiosity

(49 articles)

Cymbidiums

(163 articles)

Dendrobiums

(29 articles)

General Discussion

(3 articles)

Oncidium Alliance

(64 articles)

Orchid Doctor

(3579 articles)

OrchidWiz

(27 articles)

Other Genera

(12 articles)

Paph Alliance

(78 articles)

Phalaenopsis

(83 articles)

Pleurothallids

(1 articles)

Propagation

(184 articles)

Scientific

(4 articles)

Site Navigation

(2 articles)

Species

(62 articles)

Travelogue

(2 articles)

Vandaceous

(26 articles)