Newly Posted Articles

DENDROBIUMS: To Start Flower Nodes

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In softcane types spray Di-hydrogen Orthophosphate two, three times at fortnightly intervals at 1/2 tpg. AU85(3)-35 Read More

DEXOL: Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Granules for control of mealybugs, etc,, seem to be ineffective as the bugs became resistant even to as much as 1 tablespoon to a 6in. pot with bark mix. OIE87Jy-2Has been used effectively; a granu... Read More

DEXON: Frequency of Use

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Fortnightly or more frequently if the concentration is reduced to 20 ppm. A72-1100 Read More

MERCURIC CHLORIDE: Corrosive Sublimate, as a Bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Leaves of plants may be drenched with a dilution of one part mercuric chloride to one thousand parts water for control of Pseudomonas cattleyae; repeat in one week. A66-204; outlawed in the U.S.A. OWD Read More

MEALY BUGS: Characteristics and Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Flat, segmented insects covered with a dusty white wax; insidious, they mass in hidden places under sheathing leaves, etc.; make unsightly spots; spray repeatedly with Malathion with an essential s... Read More

MALATHION: The 25w Type

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A wettable powder, it should be used at 2ttpg plus 1/4 to 1/2 of a teaspoon of wetting agent for best effect. A82-1178 Read More

MANURES: Manure-water as Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago The smell is objectionable; a haphazard method of obtaining the proper materials and nutrients; may be advantageous as a supplemental feed and to increase the bacterial activity in the pot. F74-33 Read More

FERTILIZERS: Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Table of ratios for 10 commercial fertilizers giving fertilizer materials, fertilizer ratios, application rate, pH values. P68(3)10 Read More

DAMP-OFF: Control

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Spray Captan at 1 ttpg., or PCNB (Terraclor) at 1 ttpg. as pot drench; also Chinasol, oxyquinoline benzoate (Wilson Anti-Damp), or sodium-o-phenylphanate (Dowicide Ai, Natriphene, Sopp, or Topane) ... Read More

CYMBIDIUMS: Culture to Induce Spiking

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago "full-sun" treatment can be successful; give as much sun as possible in the summer including risk of sunburn and with more water and fertilizer, OD68-244The day-night temperature change must be 20 ... Read More