Newly Posted Articles

CYMBIDIUMS: "clawing" of Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Bright morning sunlight after cold nights causes this damage. AU78-143 Read More

SEED: Storage and Viability

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Seed is stored & paper packets placed in dessicator or Mason jar provided with anhydrous calcium chloride; keep in refrigerator at about 45 deg.F.; cattleya seed germinates about 75% after five... Read More

KEIKIS: Inducing Root Growth When Forming on Monopodials

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cut them off, pot them, water them and place them in a polyethylene bag. A69-55 Read More

NAMES: Common or Native Names

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They are imprecise and inaccurate and duplicated often, so they lead to confusion; many examples given. A85-980 Read More

FUNGUS DISEASES: Of Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For an overview refer to N315+ Read More

LEAF DIE-BACK: Fungus Disease

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Spreads slowly from the tip through the leaf unless cut off; Glomerella cincta infects the tip and spreads backwards with a marked line between good and diseased tissue; control with Benlate. A73-8... Read More

LEAF BLIGHT: Also Known as Leaf Die-back, Tip Burn

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Caused by fungus invasion; spreads gradually through leaf; cut it out before treating; infected areas show watery before drying; control with Benlate, or Anti-Damp, or Tersan. RMH Read More

BUD DROP: In Dend. Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It frequently happens in the fall; the plants grow in good humidity in the summer and early fall then the temperature drops, the heat comes on in the greenhouse and the root system cannot cope. A85... Read More

CROWDING PLANTS: Do Not Do it

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Air circulation is very important in the growth process. OD72-227 Read More

BRACTS ON SPIKES: But Flower Buds Don't Show There

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Both oncidiums and phalaenopsis require a cool treatment of several weeks to promote flowering. A80-960 Read More