Category: Orchid Doctor

ORCHIS SIMIA: A Problem Plant in Florida

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is native to south Europe but should grow in Florida, outdoors in rich compost kept moist; do not disturb the roots, apply limestone chips or shell lime. A71-153 Read More

ORIENTATION OF PLANTS: Problems Caused by Shifting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Vandas and sunburn, why did those carelessly shifted in the sun, burn while those carefully moved in the same position to the sun not burn?; shifting a plant in the process of showing it off can ca... Read More

ORIENTATION OF SPECIES: In Nature

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Why do they always face one way?; Dendrobium formosanum in the forests of Darjeeling are found always facing the northwest, about ten feet above the ground and on Shorea robusta trees. OR72-14+ Read More

ORTHENE: Handle with Care

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Only the 75%S, a dry powder, is recommended for use on orchids in greenhouses, at the rate of lttpg. (rounded); is highly systemic; the liquid preparation should not be used outdoors; do not use as... Read More

ORTHENE: Insecticide

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A systemic, useful for get ting rid of thrips and aphids, without damage to the blooms; use a mask and protection when handling. NZ85-16 Read More

ORTHENE: Is it a Safe Insecticide?

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It should not cause leaf yellowing; is effective at the rate of 1 to 1.5 ttpg, for control of chewing and sucking insects, also aphids and mealybugs. A80-850 Read More

ORTHENE: The 15.6% Formula

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It may cause crippled flowers; use only Orthene 75%S . AH86-63 Read More

OSMOCOTE: 14-14-14 in Pots Outdoors

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago After use only beneficial effects have been observed in two years; during rain it dissolves. OIE85-8 Read More

OSMOCOTE: A Slow Release Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Found satisfactory in commercial use only with such heavy-feeders as cymbidiums. A87-1285 Read More

OSMOCOTE: For Bark Mixes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago As bark takes up nitrogen, a top dressing at repotting time to supply nitrogen cn a delayed basis is recommended. A65-842 Read More