Category: Cattleya Alliance

Orchid doctor

BLACK ROT: Tips of New Cattleyas Turn Brown

Posted by Sys Admin almost 3 years ago Caused by a fungus; remove all infected growth; soak pot and plant in 1/2 tpg. Dexon-35 or Benlate. A72-686; F69-94 Read More
Orchid doctor

BLACK TIPS: On New Shoots on Cattleyas

Posted by Sys Admin almost 3 years ago If the blackening does not progress rapidly it is probably not due to disease but excessive use of fertilizer. A72-1100 Read More
Orchid doctor

ALGAE: Control in Cattleya House

Posted by Sys Admin almost 3 years ago Physan 20 may be too expensive; Phygon is cheaper for use on evaporative cooling pads. A74-969 Read More
Orchid doctor

BRASSOLAELIOCATTLEYAS: Flowers Last Only Eight Days, Why?

Posted by Sys Admin almost 3 years ago Temperatures day and night may be slightly off, 65 deg.F at night fall and winter is too high, and 70 to 75 deg.F. is below daytime optimum. A73-208 Read More
Orchid doctor

CATTLEYA BLOSSOM BROWN NECROTIC STREAK DISEASE: Characteristics

Posted by Sys Admin almost 3 years ago Occurs in Australia; symptoms described by its name; no leaf symptoms; is sudden and destructive; may be a complex of viruses. OD68-149 Read More
Orchid doctor

CATTLEYA DOWIANA: Difficult to Grow

Posted by Sys Admin almost 3 years ago Use 2,500 to 2,900 fcs.; constant moisture; no direct sunlight; use fiberglass or frosted glass as covering; no overhead spraying; use temperature of 60 deg.F. at night and up to 75 deg. F. days; u... Read More
Orchid doctor

CATTLEYA GASKELLIANA: Multiple Leads; How to Encourage?

Posted by Sys Admin almost 3 years ago Cut the rhizome in places part way through; let sections root; repot separately. A79-272 Read More
Orchid doctor

CATTLEYA INTERMEDIA VAR. AQUINII: Characteristics

Posted by Sys Admin almost 3 years ago All plants in cultivation are said to be divisions or selfings of divisions of the original; a peloric phenomenon; petals only show the splashing which is also in part a reduplication of the lip fo... Read More
Orchid doctor

CATTLEYA MOSAIC VIRUS: Transmission by Insects

Posted by Sys Admin almost 3 years ago It is the only virus which is definitely known to be transmitted by .aphids. OD68-150 Read More
Orchid doctor

CATTLEYAS: Flared Petals

Posted by Sys Admin almost 3 years ago Flaring is a rather unstable characteristic which varies from one blooming to another; it is known as peloria; the Lc's. stem from Laelia purpurata; the straight cattleyas from C. intermedia, espec... Read More

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