Newly Posted Articles

TREE FERN: Fertilize it or Not?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Some growers do, some do not, and it can be treated like osmunda; it decays slowly and releases minute amounts of nutrients but lacks the wide array of organisims found in bark; a balanced fertiliz... Read More

VANDAS: Inducing Rooting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To make roots appear half -way up the stem so that dividing and repotting can follow, peel the tight brown outer covering "bark" off the stem; a root tip should appear soon after. AU76-129 Read More

VANDAS: Leaves Curl, Turn Yellow and Fall

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago This shows up in the fall, with cool weather; it is caused by a poor root system, or nutrient deficiency; fertilize regularly during the summer. F76-33 Read More

VIRUS IN PLANTS NAMED: In Slc. Anzac

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago While all plants may be suspect, some may not be; many plants with virus look quite healthy; sterililize everything that contacts a suspected plant; wash the hands that touch any cut surfaces or ro... Read More

VIRUS IN PLANTS NAMED: Not Affecting Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago All plants of the original Oncidium Goldiana are infected with virus; this doesn't affect the quality of the flowers or the productivity. OR80-45 Read More

VIRUS TRANSMISSION: By Carriers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Sucking insects such as aphids and red spider and snails and slugs should be destroyed since they are carriers of virus. OD67-50; Not true. They do not spread virus in orchids. OWD Read More

HUMIDITY AND COOLING: A Review of Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The application of technique use of water coolers; pads; refer to A63-531+ Read More

POTTING: Wear Rubber Gloves

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Sterilize them in solution each time; it is impractical to wash hands free of pathogens each time. OD67-50 Read More

LIGHT, NATURAL: Morning Light Is Important

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The first light in the morning can be as strong as possible to start off the process of carbohydrate formation; light is much more intense at midday. AU79-37 Read More

WATER, HARD: With Activated Charcoal to Remove Calcium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It will not work; only certain types of organic compounds are filtered out; units for doing the job properly are not cheap; best bet is to catch rainwater. A74-433 Read More