Category: Orchid Doctor

INSECTS: Control in Greenhouse by Predators

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use of Lady-biEd beetles and Praying mantis claimed to be successful; refer to A69-606 Read More

INSECTS: Control with "safe" Insecticides

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Leftover tobacco from cigarette butts has eliminated springtails (without regard for virus); rotenone and pyrethrum are sometimes considered harmless to warm-blooded animals; but note, this is hard... Read More

INSECTS: In Florida

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For a four-page list of arthopods (insects, arachnids) reported found on orchids, refer to DK25+ Read More

INSECTS: Resistance and Persistence

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For reasons why insecticides become tolerated by insects, refer to OD69-309+ Read More

INSECTS: Small Flying and Leaping Insects

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A control for those found on plants left indoors during the summer: Cygon 2E, 2 tpg. as a heavy spray on medium surface. A74-595 Read More

INSULATION: Greenhouse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A three-layer job in New England; a glass-aluminum structure, with 5 mil Filon fiberglas mounted outside the glass and with aircap packaging material on the inside; refer to A78-100Inside lining wi... Read More

INSULATION: Greenhouses

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A double layer of film like a flat balloon which can be inflated a few inches and which covers the whole greenhouse provides an excellent insulation layer. A85-1119More than two layers of materials... Read More

INSULATION: Greenhouses, with Plastics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago New products include double-skinned plastic sheets called Plexiglass, Qualtex, Pillo-Sol; for data refer to OR81-185. Read More

INSURANCE: For Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A modest form of protection against loss is to place a division, or a keiki, of a favorite plant with a friendly grower. OIE-85Mar-17 Read More

ACID OR ALKALINE: Changing the Values

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit... Read More