Newly Posted Articles

POTTING MIXES: Paphiopedilums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Fine bark seedling grade 85 to 90%, plus 10 to 15% coarse sand; it decomposes slowly and gives good results. A71-249Seven parts fine fir bark, two parts redwood fiber (shavings of redwood or sawdus... Read More

POTTING MIXES: Phalaenopsis

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In California, Hugo Freed found straight bark to be the ideal mix. FRlllTree-fern and redwood mix is common in semi-tropical areas; fir bark and redwood are used in northern climates where decompos... Read More

BEER: As Bait for Slugs and Snails

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Fill a small container such as a thimble with beer and sink it in the earth to ground level; prime with beer around the edge; add a small amount of metaldehyde to the beer; snails can't get out aga... Read More

CARBON DIOXIDE: Ethyl Alcohol Burning

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Side-effect of ethylene production seems small; such burning is harmless. A66-55 Read More

COLORS IN FLOWERING: Treatment with Sunlight

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago As buds emerge, reds, browns, dark pinks and strong yellows deepen and strengthen under strong sunlight; whites, pastels should be shaded and greens heavily so; applies to cymbidiums mostly. OR77-348 Read More

SHEATHS: Yellowing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Causes are not fully known, although ethylene can be suspected; some plants produce sheaths which yellow than go brown before the buds are initiated and they still flower normally. A82-122 Read More

FLASKING BOX: Made of Plexiglas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For details of compact, workable unit, illustration, refer to A86-820 Read More

BLACK ORCHID: Which One Is It?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There is no black orchid; flowers of Coelogyne pandurata have black blotches and veins only, but it is called "black". A65-832 Read More

COLCHICINE: And Production of Tetraploids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago High quality tetraploid cymbidiums, many already awarded now exist; probably induced by the judicious use of colchicine; breeding possibilities from them are great. AU75-190+; AU79-145; AU79-195+ Read More

CYMBIDIUMS: Induced Polyploids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Tetraploids induced from diploids will revolution- ize the cymbidium industry, is claim. W9-63 Read More