Newly Posted Articles

DAMAGE: Ascertaining Cause of Problems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Look for it in accordance with this order: 1, Handling damage such as bruising, cracking, tearing, etc.; 2, Cultivation, such as water or light damage, overfeeding, heating, etc.; 3, Insect damage,... Read More

FLOWERS, CUT: Extending Their Keeping Qualities

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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 almost 8 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 almost 8 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 almost 8 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 almost 8 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 almost 8 years ago It will not harm orchids. A74-502 Read More

CYMBIDIUMS, MINIATURE: Different Degrees

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 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

PSEUDOBULBS: Twisted Bulbs on Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago These can develop for no apparent reason, except that water lodging in immature growths may be the cause. A85-832 Read More

CYPRIPEDIUMS: Grown in a Northern Garden

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 12 native and exotic terrestrials grown successfully, with descriptions and cultural requirements; refer to CA84#2-20;#3-20 Read More