Newly Posted Articles

SEEDLINGS: Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Their culture from flask to flowering, with considerable detail; refer to OD68-6+ Read More

SERVO: Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A commercial name for a mix of sugar-cane, charcoal, peat moss, and perilte; used in Florida with success and elsewhere; it breaks down quickly but works well with fast-growing seedlings and young ... Read More

SEVIN: Carbaryl, An Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A carbamate poison effective against beetles, caterpillars and some scale insects; has a short residual effect. AH13 Read More

FLUORESCENT LIGHTS: How Many Tubes for Bench Width?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Not less than one tube for every four inches of width; for a two-foot wide bench use six fluorescent tubes. ODA75(4)-38 Read More

FLUORESCENT LIGHTS: Cost of Electricity

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In 1977 the monthly cost for electricity was about $3.84 for four tubes burning 16 hours a day, with space for 50 plants. A77-897 Read More

SHADING, GREENHOUSE: Polyethylene White Film

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago "highway white" used for shading reduced light by about three-quarters; foot-candles were reduced from 2,500 range to 1,500 in California. A68-596 Read More

SHADING: For Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In California use 63% shade cloth for them and for dendrobiums. A86-719 Read More

FLUORESCENT LIGHTS: Types Available

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A review of kinds of tubes: Cool White; Daylight; Warm White; Gro-Lux; Vita-Lite; Verilux; High Output; Super High Output; High Intensity Discharge; refer to A75-292+ Read More

FLOWER SPECK: Botrytis cinerea and Sclerotonia funckeliana

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These and other fungi cause tiny water-soaked spots which enlarge and become pink, tan or brown; they are prevalent under damp cool conditions; clean up the house; reduce humidity; give good ventil... Read More

FOLIAR FEEDING: In Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Experiments showed that foliar feeding by absorption through the leaves took place, if at all, at inconsequential rates. A64-391 Read More