Newly Posted Articles

NAMES: Common

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago As indicators of plant characteristics; a list of common or local names, with their botanical equivalents; refer to A77-519+; OD71-150+ Read More

BLACK ROT: On Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control with Truban or Dexon-35; Truban is gaining favor over Dexon-35; drench or soak in 1 tpg. A72-341; A75-680; A79-1112; use Tersan or Fermate. S198 Read More

COLCHICINE: And Vandas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Induction of polyploidy; 0.1% of solution used in test; 29% of plantlets converted to tetraploid. NH73(2)19 Read More

XEROPHITIC ORCHIDS: Some Examples

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The genera include Angraecopsis, Cyrtorchis, Jumellea, Microcoelia, Rangaeris, Tridactyle and Ypsilopsis; plus Oncidium onusturn and Epidendrum boothianum. A80-1140 Read More

INSULATION: Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A three-layer job in New England; a glass-aluminum structure, with 5 mil Filon fiberglas mounted outside the glass and with aircap packaging material on the inside; refer to A78-100Inside lining wi... Read More

POTTING ON: Never Do it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Any plant more than five inches across will develop a ball of rotten roots (especially cymbidiums) in the centre; the practice frequently causes defoliation of the central pseudobulbs. NZ86-174 Read More

POTTING ON: Never Stop it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The potting mix is never removed from the roots by Bianchi a leading cymbidium grower, who starts with a single bulb in a five-inch pot in a bark and peat mixture and continues on up to a ten-inch ... Read More

POTTING: Aeration

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is greatest in the mix when the particles are uniform throughout; a fine ingredient mixed with a coarse one causes "cementing" between bits. OA86-172 Read More

POTTING: Affects the Size of the Next Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Timing is important; try to repot as soon as the new roots appear on the rhizome. A69-902 Read More

IRON: In the Water Supply

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Watering directly into the pot will cause little harm to the plants; on the leaves the iron precipitates out and colors them coppery,- eventually to reduce the light intake of the leaf and weaken t... Read More