Newly Posted Articles

LIGHT, NATURAL: Intensity

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Plants respond to a scientifically balanced fertilizer if light is kept be low 2500 foot-candles or less for some genera during the hottest months. Au84-203 Read More

CARBON DIOXIDE: To Accelerate Plant Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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

LEAVES: Purplish Pigmentation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused by too low night temperatures, or too bright daylight; also caused by lack of adequate phosphorous. A64-693 Read More

CATASETUMS: Eat Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Control with Orthene. A78-13 Read More

ANEUPLOIDY: Growth

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In paphiopedilums it is short and heavy. A78-999 Polyploids in which the chromosome count is not an even multiple of the haploid number. AU78-47 Polyploids in which the chromosome count is no... Read More

B. DIGBYANA VAR. FIMBRITELA: Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Takes practically full sunlight, liberal watering and a night temperature of 60 deg. F. A63-390 Many are reluctant to flower; buy only those with evidence of flowering; hang high and dry; if it ... Read More

PLANTS: New to Your Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Welcome them with an invigorating libation of a sugar solution at the rate of 3ttpg. and moisten them with the spray; or, crush one Stress Tab (B vitamin) in a gallon of water and anoint them; or, ... Read More

OVERCROWDING: Defined

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago If pots are closer together than the diameter of one of the pots, they are overcrowded and deprived of light, air circulation which constitute the mos t common form of cultural "suicide". AU79-37 Read More

HEATING, COOLING AND HUMIDITY: Review of Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Refer to A63-85; 531+ Read More

PESTICIDES: Systemic Types

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Mixing them together; there is only one true systemic and that is the fungicide Benlate or benomyl; Cygon is only somewhat systemic; a good possibility they can be mixed; so far, no systemic insect... Read More