Category: Cymbidiums

CYMBIDIUM MOSAIC VIRUS: Symptoms and Spread

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Leaf mosaic, chlorosis, streaks or necrotic spots are visual in nature but in many plants no foliage symptoms appear; the number and size of flowers are reduced; there is no color-breaking in cymbi... Read More

CYMBIDIUMS: 6n Polyploids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago New development with potential is the use of 6n crossed with diploids (2n) to produce tetraploids (4n); 6n plants were produced by treating triploids (3n) with colchicine; desirable features of 2n ... Read More

CYMBIDIUMS: Analysis of Hybridization

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Percentage composition of species in the lineage provides indication of exhibition quality of the flowers; assumptions of the criteria applied; the norm is 50% C. insigne, 25% C. lowianum, 25% C. e... Read More

CYMBIDIUMS: Bud Appearance

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Liquid insect sprays applied when buds are appearing may cause them to distort and malform. OD70-239 Read More

CYMBIDIUMS: Bud Blast

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago During fall months spikes that are exposed to strong sunlight may "blast"; it is aggravated by cool to cold nights with low humidity by day; aphids may also be a cause. A66-408 Read More

CYMBIDIUMS: Bud Deformation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is impossible to use emulsion concentrates as wet sprays on spikes without deforming the buds even though the open flowers are not harmed; use wettable powders, with a wetting agent at the right... Read More

CYMBIDIUMS: Concolor or Pure Color

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Albino flowers in the non-orchid genera frequently lack vigor; concolor cymbidiums are weak growers and prone to lose growths to rot, and to lose roots in winter. A079-182 Read More

CYMBIDIUMS: Concolor, Recessive-colored-lip

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Refers to a flower whose lip is devoid of customary red markings or pink suffusion; it is not necessary that the lip be the same color as the petals to be called concolor; the degree of yellow or g... Read More

CYMBIDIUMS: Crosses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To have a chance of obtaining one above-average plant from a cross, a flask of 25 or 50 seedlings is needed; if you cross your own and raise 500 plants the chance is increased. AU79-97 Read More

CYMBIDIUMS: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Expert advice on light, temperature, watering and humidity, fertilizing, potting, dividing, virus and diseases, pests, etc. refer to A85-697;841 Read More