Category: Culture

WIRE BRACES: To Support Rootless Growths of Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use 2 U-shaped 14-gauge wire shapes, invert them, lash the loose ends together, insert into media, spread the tops of the curved section so that the plant is sandwiched between the curved supports.... Read More

WOOD: Decayed, for Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For general potting use, decayed trees pine and cedar (in California) were crushed, passed through a half-inch screen; soaked for a week in a nutrient solution of eleven chemicals; used successfull... Read More

WOOD: Greenhouse Construction

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The best two woods are redwood and cypress, the latter now difficult to find. A72-807 Read More

WOOD: In Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Bark removed from a tree by mechanical means rather than by the jet process has too much wood mixed in; it causes mycelium mold to form rapidly in the pot; it is possibly injurious to the plant; it... Read More

WOOD: Pieces of Wood for Mounting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago How to clean it is to strip the moss off the wood, spray it with Cygon 2E, Diazinon or Malathion, and then use it. A77-449 Read More

WOOD PRESERVATIVES: Greenhouse Use

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The only dependably safe one is copper napthanate; zinc napthanate is a lesser possibility. A76-795 Read More

WOOD PRESERVATIVES: Injury Causes in the Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Creosote should never be used inside or outside a greenhouse; penta (Pentachlorophenol) should never be used either; it cannot be removed, but it can be covered; use a coating of linseed oil follow... Read More

WOOD TREATMENTS: Anti-rot Treatment for Greenhouses Which Are Not Harmful to Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Copper napthanate preparation sold under the names of Cuprinol or Kopex is the best. A77-619 Read More

WOOD TREATMENTS: For Greenhouse Construction of Wood

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Oil-borne preservatives are: creosote, pentachlorophenol and copper napthanate; the first two cause injury to plants with their fumes; water-borne treatments are: chromated zinc chloride, chromated... Read More

WOOD WOOL: "excelsior" as a Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Two cattleyas planted in it grew satisfactorily and flowered twice in three years, and grew larger than before; it lasts for two years and does not seem to rot. OR69-97 Read More