Category: Cattleya Alliance

Orchid doctor

CATTLEYAS: Flowers with White Warts

Posted by Sys Admin almost 3 years ago Likely caused by spider mites; use malathion or Kelthane, plus 1/2 teaspoon liquid dish-washing solution per gallon of water. A78-1124 Read More
Orchid doctor

CATTLEYAS: Hereditary Influences

Posted by Sys Admin almost 3 years ago In breeding they have certain dominant characteristics; refer to A60-14 Read More
Orchid doctor

CATTLEYAS: How to Delay Blooming

Posted by Sys Admin almost 3 years ago On other than C. mossiae try 65 deg.F night temperature November 1 to January 25 or 30, then drop to 55 deg. to May 1, then up to 60 to 65 deg. to flower. A78-909 Read More
Orchid doctor

CATTLEYAS: Leads; Only One of Four New Ones Produced Flowers

Posted by Sys Admin almost 3 years ago This is not uncommon due primarily to culture, but parentage is a factor; try good culture first. A67-1010 Read More
Orchid doctor

CATTLEYAS: Leaves as Indicators

Posted by Sys Admin almost 3 years ago Avoid plants with red color unless all the seedlings show red; avoid pleated or irregular leaves. ODA78(l)23 Read More
Orchid doctor

CATTLEYAS: Leaves with Hooks on Their Ends

Posted by Sys Admin almost 3 years ago A pronounced hook to the leaf indicates an award-potential plant; also the lower third of the leaf will be the widest. ODA78(l)23 Read More
Orchid doctor

CATTLEYAS: Light Requirements

Posted by Sys Admin almost 3 years ago To flower moderately well they should have 1,500 fc. A79-124; no buds set if daylight exceeds 18 hours. A80-513 Read More
Orchid doctor

CATTLEYAS: Minimum Optimums

Posted by Sys Admin almost 3 years ago For spring flowering: 55 deg.F.nights, 50% relative humidity, 4,000 fc.in summer and 2,000 fc. in winter; Autumn flowering plants need 50 deg.F nights; 40 to 50% relative humidity, 2,000 fc. in win... Read More
Orchid doctor

CATTLEYAS: No Bloom on C. Mary Schroeder with 20 Pseudobulbs, Half with Sheaths

Posted by Sys Admin almost 3 years ago Use night temperature of 55 deg.F, not 68 deg.F.; divide plant. A79-4 Read More
Orchid doctor

LAELIAS: Cold-tolerant Hybrids

Posted by Sys Admin almost 3 years ago Not all of them are cold-tolerant, as for out-of-doors conditions but many species can be grown with cymbidiums, above all the favorite L. anceps; for details and names refer to OA82-134 Read More

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