Category: Ailments

SLUGS AND SNAILS: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Deadline, a metaldehyde preparation has proved effective in potting media of inert materials; Mesurol is also recommended but is restricted to California. A86-506 Read More

BOTRYTIS: Cause and Cure

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago An ever-present fungus; causes small round brown spots on flowers; decaying organic matter under the bench is a good source; best control is to keep water off the flowers; give good air circulation... Read More

BLACK ROT: Fungicide as Preventive

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Dexon-35 can be so used; also, Truban; packages are commercial size, try to obtain from a commercial grower. A74-896 Read More

PHYSAN 20: Sterilizing Equipment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is effective against virus if the soaking lasts overnight. A75-1090 Read More

PHYSAN 20: Tested as a Disinfectant for Virus

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago One-fifth ounce in one gal. water inactivated the crude juice of Tobacco Mosaic Virus; one ounce in three gals, water inactivates it on cutting tools, work bench, pots, compost, tags, stakes, hands... Read More

PHYSAN 20: Wide-spectrum Fungicide and Bactericide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Composed of n-alkyl dimethyl benzyl ammonium chlorides. AH15 Read More

PHYSAN AND TRUBAN: Mixing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Physan has a pH of 6.55 which is practically neutral and can be mixed with Truban, A76-611 Read More

SMOG: And Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It destroys the buds, the blooms and the seed capsules; evaporative coolers wash a lot of impurities out of the air. A88-20 Read More

APHIDS: Controls

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A common aerosol insecticide spray is satisfactory; use Raid and stand back several feet from plants to be most effective; don11 use a commercial insect repellant because they damage buds and flowe... Read More

PESTICIDES: Shelf Life

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They should be purchased for short-term use; mark the date of purchase on the container; most keep their effectiveness for two or more years if stpred properly; signs of ineffectiveness in dusts an... Read More