Newly Posted Articles

CYMBIDIUMS: Buds, Their Sepal "clawing"

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Curling and deforming of flowers can be caused by spraying with an emulsion based concentrate such as Cygon when buds appear; use a wettable powder. A67-449 Read More

FRAGRANCES: Role in Nature

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They diffuse scent production, localized scent production, osmophores or scent glands, tips of sepals, lip sources, etc.; for details refer to SA86Dec-139 Read More

PLANT MARVEL INSECT BOMB: Contents

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Pyrethrum, rotenone, piperonyle, cycloaeone plus alcohol; unless used every four or five days it is not recommended for scale and mealy bugs. A75-298 Read More

FREEZING: Damage to Different Genera

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago At 28 deg.F. leaf burn occurred to odontoglossum hybrids, including odontiodas; completely uninjured were widely-grown species hybrids (27 named) and paphiopedilums (15 named) and cymbidiums. A63-15 Read More

FREEZING: Protection with Sheets

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Plants outdoors in Florida can be covered overnight with cloth; if plastic is used keep it above the leaf tissue and remove it before the sun hits it in the morning or plants will be damaged or kil... Read More

PAPHIOPEDILUMS: Hybridizer's Nightmare

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Problems include sparseness of seed, incompatible crosses, sterile off-spring, dissimilarity among siblings, few good breeders (plants not people), and the diff- iculty of obtaining them for breedi... Read More

PH OF WATER: How to Raise It

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To raise the pH cf your water supply above 5.0 it is receommended to use sodium hydroxide as the basic solution. A88-35 Read More

PAPHIOPEDILUMS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For plain leaved: 50 deg.F. to 55 deg.F. at night; relative humidity 60%; 800fc. winter and 1,000 to l,500fc. summer; mottled leaved: 60 deg.F. at night; 60 to 70% relative humidity; 800fc. in wint... Read More

COLD PROTECTION: In Texas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Details of winter cover of polyethylene supported by wood frame and clothesline for temporary structure in emergency. A86-918 Read More

FUMIGANTS, SMOKE: Non-toxic to Mammals or Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There is none available; the safest one is Shell No-Pest strips, not a smoke; use it overnight then package again for later re-use. A77-43 Read More