Newly Posted Articles

Orchid doctor

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

Posted by Sys Admin about 3 years ago Both oncidiums and phalaenopsis require a cool treatment of several weeks to promote flowering. A80-960 Read More
Orchid doctor

CARBON DIOXIDE: To Accelerate Plant Growth

Posted by Sys Admin about 3 years ago Orchid tests carried out in Victoria, Australia with generator resulted in 25% additional growth, with spiking six weeks earlier. OD70-214 Read More
Orchid doctor

CATASETUMS: Flower Longevity

Posted by Sys Admin about 3 years ago Many have a short flowering life because of their pollinia triggering mechanism, sometimes set off by hose spray, of such kinds as C. pileatum, C. expansum and their hybrids; those with clustered f... Read More
Orchid doctor

BEER: As Nutrient Element

Posted by Sys Admin about 3 years ago 1 part to 40 parts water; initial response of plants most favorable; beer and 1/4 strength organic solution made plants prosper at first in normal medium; then white mold appeared caused by yeasts;... Read More
Orchid doctor

BEETLES: Black Twig Borers

Posted by Sys Admin about 3 years ago Dendrobium beetles in Florida; treat with Diazinon or Sevin. AH86-56 Read More
Orchid doctor

BUDS: Black Inside Cattleya Sheaths

Posted by Sys Admin about 3 years ago Rather common condition; to avoid it, when the buds appear clearly in shadow, cut off 1/2 inch from top of sheath; probably caused by sudden temperature change. A81-1436 Read More
Orchid doctor

BUDS: Initiation Within Cattleya Sheaths

Posted by Sys Admin about 3 years ago In response to a signal, probably of chemical origin, the base of sheath develops rudimentary flower buds; the chemical signal is a hormone triggered by day length shorter than a critical length de... Read More
Orchid doctor

STERILIZATION: Compost

Posted by Sys Admin about 3 years ago With heat: heat the compost at 180 to 190 deg. F. for 30 minutes. A71-21 Read More
Orchid doctor

CATASETUMS: Sterile Flowers

Posted by Sys Admin about 3 years ago Some years all flowers produced are sterile, with a faulty column lacking both pollinia and stigma; some years perfect flowers are produced by the same plant; other times male inflorences only appe... Read More
Orchid doctor

WORMS: In Compost

Posted by Sys Admin about 3 years ago Their casts cause breakdown of the compost by reducing the air flow and it sours, the pH increases and it becomes more acid; water wi th Malathion to control them. OR82-102 Read More

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