Newly Posted Articles

DAYS, SHORT: How Many Required to Set Cattleya Buds

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Sometimes as few as five days; some crippling of flowers will show if too-long days follow the bud set period. A70-798 Read More

DAY LENGTH: Increased by Artificial Light

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cattleyas may not flower with too much light, under lights and with kitchen lights on full. A86-1031Fall flowering cattleyas most respond to light; increase the day length by turning on lights for ... Read More

EGGSHELLS: In Potting Mix

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago When crushed they are a good deterrent to slugs; cymbidiums like it in the mix, like crushed oystershells. OIE86Sept-7 Read More

LIME: Application to Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A common mineral deficiency is calcium which is usually lacking in commercial fertilizers; it is sometimes supplied by means of limestone or dolomite, whose usual alkalinity is partially offset in ... Read More

PHYSAN: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is quite alkaline and if combined with another alkaline product such as soap it might cause a problem. A88-296 Read More

PERISTERIA ELATA: A Problem Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cultural directions: the vital rest period may be missed if use of frequent liquid fertilizings stimulates the vegetative growth, if there is strong light during the night; temperatures should be a... Read More

DIAZINON: Insecticide/miticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Controls aphids, thrips, mites, scale crawlers, soft scale, mealybugs and other pests. OD65-168 Read More

DIAZINON: Its Application and Limitations

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Wettable powder preparations are safe, plus ltpg. of wetting agent, when temparatures are lower than 80dF; liquid concentrate preparations may injure some foliage but give somewhat better control. ... Read More

CROWDING PLANTS: Do Not Do it

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Air circulation is very important in the growth process. OD72-227 Read More

BRACTS ON SPIKES: But Flower Buds Don't Show There

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Both oncidiums and phalaenopsis require a cool treatment of several weeks to promote flowering. A80-960 Read More