Category: Orchid Doctor

MOISTURE MONITORING METER: Description

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Does not require outside source of electric power; has conventional method of measuring; moisture touching a bimetallic tip of the probe determines the quantity of electricity transmitted to a mete... Read More

MOLD, SNOW: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It grows in the potting media and envelopes the roots so they are cut off from water and air; repot the plant, destroy all mold and media; immerse the bottom half of the plant in Physan l.5 tpg.; r... Read More

MOLD, SNOW: Fungicide as Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use Physan 20 at 1.5 tpg.; like Shield it is a combination of quarternary ammonium chlorides; so is Roccal. A75-781; A77-702; wash plant in Shield, one ounce to one gal. water and repot..in clean m... Read More

MOLD, SNOW: In Bark

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It does not harm the roots except to use the nitrogen which the plant would normally need; it also contributes to compost breakdown; use Maneb but not Benlate. OR82-102 Read More

MOLD, SNOW: On the Pot Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control: drench or dip plant in Shield 10%, at one ounce per four gals, water; or use Physan 20 at 1.5 tpg., maybe more than once at a few days interval. A66-407; A76-895 Read More

MOLD, SNOW: Phytogaster Sp.

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Not a parasite but a saprophyte on the growing media;, leads to poor growth; water-repellent fungus prevents roots from getting water and air; white powdery growth on the top of the media indicates... Read More

MOLD, SNOW: Vinegar Dip

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago This has been recommended as a way to "discourage" it: one part of cider vinegar is added to 20 parts of water as an acid solution as a drench. Fitch -- All about orchids. (1981)-219 Read More

MOLD, SOOTY: Appears on Leaves or Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It grows on exuded "honey", not on the tissue of the plant; fostered by high humidity; can be washed off, N319; S204 Read More

MOLD, SOOTY: Avoiding it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Best way to avoid its buid-up is to hose down the flower spikes in the bud stage; Benlate as a botrytis prevention is also good. C71-223 Read More

MOLD, SOOTY: Best Fungicide for it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Any common fungicide will control it; try Tersan, Captan or Ferbam; also called Sooty blotch. A67-517; AH30 Read More