Newly Posted Articles

CAT LITTER: In Potting Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago A calcined clay or shale product sold in supermarkets is slightly alkaline and becomes neutral with use; cymbidiums grow well in it in small containers but some show signs of chlorosis when it is u... Read More

CYMBIDIUMS: Flowering Stimulation

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago When spikes are growing, the total quantity of nutrition absorbed increases and the fertilization with a higher E.C. or parts per million, increases quality. OA87-199 Read More

SPECIMEN PLANTS: Points to Consider

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago They can be both small or large; they may take five or more years to develop; don't select plants with extended rhizomes or which are high climbers; select those that produce growths freely even fr... Read More

SPECIMEN PLANTS: The Butterworth Prize

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago The finest of the year awarded; descriptions, illustrations; refer to AA82-36; AA84-23 Read More

SUPERTHRIVE: Its Ingredients

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Its ingredients are Vitamin B1 and Naphthyl-acetic acid, a plant hormone; use one drop to a gallon of water. OIE86Jan-12; May-15 Read More

SPHAGNUM MOSS: As Potting Material

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Usually live material is used either wholly or as a top dressing, so a constant supply is needed; it requires careful watering and fertilizing; it is a rare carrier of sporotrichosis, a fungus dise... Read More

FUNGUS: Septate Type Spotting Under the Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Control it with a Banrot spray at lttpg. and repeat in two to three weeks. A82-690 Read More

FUSARIUM WILT: Two Kinds Do Damage

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago They enter through roots or rhizome; they plug the water-conducting tubules; infected parts turn purple; cut off all infection; use Actidione (using great caution) or, dip the plant in Benlate (ben... Read More

GALVANIZED WIRE: Toxicity on Hardware Cloth

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago It is present but not great; use a fertilizer containing some phosphorous which will tend to keep the wire coated against zinc phosphate dissolution. A71-917 Read More

GARLIC: Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Developed by Henry Doubleday Research Assoc.; 3 oz. chopped garlic with 2 teaspoons liquid paraffin are left to soak 48 hours; then add 1 pint water; mix well with 1/4 oz. spreader; filter and stor... 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

(79 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)