Category: Orchid Doctor

PAPHIOPEDILUMS: Water in Pouches

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago To drain them, pierce the bottom of the slipper with a needle; place powdered fungicide inside the slipper; use cotton covered toothpicks to mop it up. ODA69-112 Read More

PAPHIOPEDILUMS: Water Is Their Basic Need

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Rod McLellan grew 15 plants for five years in a tray of water one inch deep, and had flowers just as prolific as from plants watered several times a week. OD69-307 Read More

PAPHIOPEDILUMS: Water Needed

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Leaves may be yellowish-green, stunted, and may be flaccid because of too little water. A78-606 Read More

PAPHIOPEDILUMS: Weak Flower Stems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago P. bellatulum and concolor characteristically have weak stems. A88-34 Read More

PAPHIOPEDILUMS: Yellowing of Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Caused by a deficiency of magnesium, especially among hybrids, it can be cured by watering witti Epsom Salts (Magnesium Sulphate), at the rate of one heaping teaspoon in a cup of warm water which i... Read More

PARASITES ON ORCHIDS: Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The mistletoe is one such, refer to A85-976 Read More

PARASITISM: In Orchids

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago There is a strong reason to believe that some epiphytes are in fact at least partially parasitic such as Ionopsis utricularioides, Leochilus labiatus, and Microcoelia exilis. A67-1010; A77-703 Read More

PARATHION: Toxicity Reactions in Humans

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Nausea, vomiting, diarrhea, salivation, nasal discharge, congestion, nervousness, tremor, dizziness and convulsions. A68-583 Read More

PARENTAGE: Pod Versus Pollen

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Many plants will breed as either the pod plant or the pollen plant but rarely as the reverse; referenct to Phalaenopsis equestris, which has been listed 25 times as a pollen parent and only five ti... Read More

PARTS PER MILLION: A Scientific Measurement

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Frequently applied to fertilizer recommendations; such as for cattleyas -- 50ppm of Nitrogen, 20ppm. of Potassium, 50ppm. of Phosphorous, plus 50ppm. of Magnesium Sulphate; one part per million is ... Read More