Newly Posted Articles

TEMIK: Also Known as Aldicarb

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A carbamate systemic insecticide; highly toxic to humans; effective against spider mites, false spider mites, aphids, thrips, mealy bugs and scale insects; granular only; contact authorities before... Read More

TERRESTRIALS: Problem Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use plastic pots, broad based, but half as high as most; repot any time during dormancy and carry over about one-third of the old compost to transfer the mycorrhiza; dormancy comes after flowering ... Read More

TEXTURE: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Means the sheen or surface qualities of a flower and not its substance. ODA72-135 Read More

TRACE ELEMENTS: Added to a 20-20-20 Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They are not necessary as special additives; minor elements probably are present in the fertilizer itself, or in the water supply or in the tree-fern medium being used. A67-1010 Read More

VIRUS TRANSMISSION: By Mechanical Transmission

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Mainly by contaminated knives, scissors, stakes, wires, string and dirty hands. OD78-95 Read More

TRANSPLANTING OF SEEDLINGS: From Agar to Agar

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Do a few flasks at a time; chemicals, equipment, procedures listed in detail; refer to A80-856 Read More

VANDAS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 55 to 65 deg.F. nights; 40 to 50% relative humidity; 4,000fc. winter and 8,000fc. summer. AU71-135; temperatures. OR80-118+ Read More

STEMS, FLOWERING: Too Short on Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is caused by too much light. A76-206 Read More

VIRUS (GENERAL): Where Does Virus Come From?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Two random surveys have failed to uncover any virus-infected plants in the wild; Africa, Central America, South America and Southeast Asia. F79-173 Read More

VIRUS IN PLANTS NAMED: Detector Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Spathoglottis is sensitive to any virus; seedlings on exposure to virus denote its presence in four to six wks. after inoculation as diamond-shaped spots or rings; refer to N326 Read More