Newly Posted Articles

GRAVEL CULTURE: Cleaning the Gravel

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Let it soak overnight in 10% bleach to ensure cleanliness. A85-1237 Read More

DATURA STRAMONIUM: Host Plant to Virus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Is a host to Cymbidium mosaic and is used as an indicator for the presence of the virus. A62-219 Read More

PESTICIDES: Temperatures At Which it Is Hazardous for Humans to Work with Them

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Above 85 deg.F. in the afternoon it is best not to work with them. OD75-162 Read More

DAMP-OFF: Of Seedlings, Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago Mix 1 teaspoon Truban and 2 teaspoons Benlate per gal. of water; will control all forms of damping-off; Benlate alone misses one of the most common forms. A73-1081 Read More

JUDGING: Awards Listed

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago For AOS awards, with descriptions, growers,etc., plus occasional evaluative or critical articles on the judging process, refer to AOS Awards quarterly, 1970 to date. Read More

DEADLINE: Slug and Snail Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago A "sure eliminator" according to the promotion ; recommended ; source given. OIE85Nov-8 Read More

PH OF WATER: Sulphuric Acid Used to Reduce Ph to 5.6

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago The long range effects are none if pots are leached with every watering; orchids tolerate good amounts of sulfates. A75-500 Read More

PH METERS: Electronic Type

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago How do they work? -- place a small amount of potting bark or tree fern in water enough to moisten the medium and the electrode or probe and test. A81-688 Read More

PREDATORS: Phytoseiulus Persimilis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago It is a mite which controls two-spotted mites in the greenhouse, on such as cymbidiums; they are active and voracious and effective, but it tends to die out through lack of prey, therefore it has t... Read More

APHIDS: Description and Activity

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 10 years ago No controls given, refer to AH86-56 Read More