Category: Cymbidiums

CYMBIDIUMS: Spots and Bumps on Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Caused by aphids, red spider or insecticide sprays. OD67-105 Read More

CYMBIDIUMS: Temperatures and Growing Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The minimum night temperature is from 40 deg.F. to 45 deg.F, with the maximum during the day in the low 80's, for Southern California. OD76-82 Read More

CYMBIDIUMS: Buds and Flowers with Pimples

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Red spider can enter the loosely encasing final sheath on the spike and can attack the buds just before their emergence; damage is noticed near flowering size; spray early or before spikes get a go... Read More

CYMBIDIUMS: Buds, Their Peculiar Twisting

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago When opening, petals have their edges curled inward; no sign of insects; this can be induced by high greenhouse temperatures, especially early in the morning and may be found more in the southeast ... Read More

CYMBIDIUMS: Buds, Their Sepal "clawing"

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Curling and deforming of flowers can be caused by spraying with an emulsion based concentrate such as Cygon when buds appear; use a wettable powder. A67-449 Read More

CYMBIDIUMS: Clones Wrongly Named

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cymbidiums Jean Brummitt AM/RHS, Cym. Pearl 'Magnificum', Cym. Peri 'Rogers', Cym. Trigo 'Royale', Cym. Tapestry 'Zita', among others are almost certainly breeding under false colors. OA79-124 Read More

CYMBIDIUMS: Color Control in Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Production of red pigments in the bud stage is affected by light intensity; high light causes intensity of color in pinks, pink blushing in whites, muddiness in greens; controls given for whites, i... Read More

CYMBIDIUMS: Commercial Growing

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The energy crisis gives an impetus to the move made by growers to establish themselves along the world's 35 deg.F. line, north or south of the equator, where fuel is not required. AU76-128 Read More

CYMBIDIUMS: Converted Backbulbs, Starting

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They will start on their own; clean them well, place upright in a flat under the bench; pot up when growth begins. A86-1031 Read More

CYMBIDIUMS: Night Water Sprays

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago From July 1 on, water sprays will help produce temperature differential to make the plants spike. OD76-122 Read More