Newly Posted Articles

CYMBIDIUMS: Tetraploids, Spontaneous

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Alexanderi 'Westonbirt'; Pauwelsii 'Comte de Hempjtinne'; Rosanna 'Pinkie'; Shirley 'McBean's' ; Babylon 'Castle Hill'; Babylon 'Carpentier'; Vieux Rose 'Dell Park'; Pearl Easter 'McBean's'; Dorama... Read More

CYMBIDIUMS: Temperatures Required to Set Buds

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For flowers to appear in November to January start cooling the previous March to May to 55-60 deg.F.; for flowers to appear January to March, cool to 55 deg.F. if possible in June to August; some v... Read More

ZINC: Galvanized Lined Water Tanks

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago If you are in doubt about possible damage, paint the coating with a pure-asphalt paint such as Gilsonite. A81-526 Read More

PH OF WATER: Satisfactory Range

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 7 is recommended A78-309; other pH possibilities are: 8.0 to 8.4 is completely satisfactory; 7.2 or 8.4 should not be tampered with, depending on the locality; between 5.0 and 5.6 (medium strong ac... Read More

PHALAENOPSIS: Flowering Time Controlled

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Pinch the flower stems just below the uppermost (first) vegetative buds; keep them cool and humid; they will branch anew and flower in 70 to 90 days earlier in a tempera- ture of 65 to 80 deg.F, ra... Read More

ROOT ROT: Pellicularia Filamentosa

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A fungus, causes brown rot; can kill small seedlings rapidly; a brown mycelium infects the roots and other parts; soak in Natriphene at 1:2,000, or treat with Zineb or Tersan; repot clean. N317; us... Read More

BEETLES: Black Twig Borers

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Dendrobium beetles in Florida; treat with Diazinon or Sevin. AH86-56 Read More

CYMBIDIUMS: Space Between Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A simple rule evolved over time states one full space between two plants; plants too close together have always been the commonest form of cultural suicide. AU79-37 Read More

PH OF WATER: Acidifying Small Quantities

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Use phosphoric acid in a sink full of water, adding it drop by drop until the desired and tested-for acidity is reached and before pots with plants are immersed in it. A57-417; use citric acid. A73... Read More

ZECTRAN: A Carbamate Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is no longer made. OWD Read More