Newly Posted Articles

SLUGS AND SNAILS: Damaged Flowers or Spikes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These indicate where the pests are lurking so leave them on until night-time because snails invariably return to the same feeding place and can be found in the night with a flashlight. OA80-80 Read More

SLUGS AND SNAILS: Home-made Bait"

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use three parts portland cement, three parts bran, one part lime or plaster of paris, one part metaldehyde, mix them in water, spread the paste over plastic sheeting, mark it off in one inch square... Read More

SLUGS AND SNAILS: How to Control Them

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use Mesurol (Bayer 37344, or Methiocarb) at the rate of 6.6grams per liter of water, or 61tpg., treating also the benches where they might wander; the kill takes a month; Sevin is less effective.; ... Read More

SLUGS: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Get rid of them by using Slug-Geta pellets, or a similar formulation consisting of metaldehyde and Mesurol. A77-108; use Slugit, A79-1112Use of arsenate and hydrated lime causes no injury to plants... Read More

NOMENCLATURE: Names and Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Specie and species, their definitions and correct usage; type specimens, genus, specific names, hybrids, intergenerics, etc., for elucidation see OD84-78; OD85-54; 123 Read More

BIOLOGICAL CONTROLS: Of Two-spotted Spider Mites

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The combination of chemicals and predators to control pests is known as Integrated Pest Management; Phytoseilus persimilis is a voracious predator on mites; plus a list of 12 chemicals used for con... Read More

SOLAR ENERGY: To Heat Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 16ft. by 36ft. greenhouse in San Diego, Cal., kept at 10 deg.F. differential when the lowest temperature outside was 29 deg. F. in an intermediate house, well insulated with two layers of polyethyl... Read More

SLUGS AND SNAILS: Potato as Bait

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Slice raw potato into pieces one inch square by a quarter inch thick and place on staging; slugs like it above all other food; change every few days; kill them early in the morning. OR70-80 Read More

SMOG: Damage to Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Cattleyas and phalaenopsis especially are damaged. OIE85Sept-13 Read More

FUNGICIDES: Most Used

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Truban 30WP to control black rot fungi; Benomyl (Benlate 50W) for most pathogens but not Pythium ultimum, Phytophthora cactorum or bacteria; Physan 20, a wide-spectrum fungicide and bactericide; Na... Read More