Newly Posted Articles

FLOWERS, CUT: Extending Their Keeping Qualities

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Keep at low temperature, 50 to 55 deg.F.; no preservative solution used now in the flower trade serves to extend orchid life. A64-227; A69-130Once placed in water, do not cut the stems afresh; do n... Read More

FOOD: Orchids as a Source

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago They have been eaten in different parts of the world; refer to A59-351+ Read More

NATRIPHENE WP: Bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For brown spot (Pseudomonas cattleyae), brown rot (Erwinia cyprepedii), bacterial leaf rot (Erwinia chrysanthemi) soft rot (E.carotovora) and miltonia scorch; control: use 1 tpg., immerse plant one... Read More

NATRIPHENE WP: Fungicide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For anthracnoses, black rots (Pythium ultimum, Phytophora cactorum), collar rot (Pellicularia (Sclerotium) rolfsii), seedling damp-off (Pellicularia filimentosa,etc.), flower spotting (Botrytis); a... Read More

NATRIPHENE WP: Fungicide/bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It has an LD-50 of 2,000 mg.; use as a spray, drench or soak for several hours at a concentration of 1:2,000. A73-810; submerge for one hour in three-quarters tpg. or the equivalent of 1:2,000, and... Read More

FLUORINE: In Water Supply

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It will not harm orchids. A74-502 Read More

CYMBIDIUMS, MINIATURE: Different Degrees

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Primary hybrids: small pot plants, usually a cross between Cym. pumilum and a regular diploid; Second generation, a cross between a Primary hybrid and a regular diploid; and, Polymins, a cross betw... Read More

PHYSAN: Viruscide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago All quaternary ammonium compounds, which this is are oxidizers and when used to sterilize cutting tools they need to be dried out for the necessary action to take place. OA81-152 Read More

NATRIPHENE WP: Is Drench or Soak Necessary?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is a virtual necessity; if plants are kept dry between times,two or three treatments seven to eight days apart should suffice for treatment. A70-916 Read More

NORTHERN AREAS: Growing in Canada

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cultural limitations brought on by climate; special requirements, tables to follow, design of greenhouses, including solar types. A86-480 Read More