Category: Orchid Doctor

PHALAENOPSIS: Leaves as Indicators

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Better flower quality comes from plants with leaves of a rounder look. ODA78(l)-24 Read More

PHALAENOPSIS: Leaves Fall Off

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago All evergreen plants lose leaves and it's not a problem if there is a constant, or increasing number per plant. A84-286 Read More

PHALAENOPSIS: Leaves; Under Lights

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Large splotchy green areas are caused by sprays of metaldehyde, at times. A80-110 Read More

PHALAENOPSIS: Life of Cut Flower-stems

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It can be prolonged to nine weeks, re-cut the stems under water at a 45 degree angle, change the water in the vase every four days and recut the stems each time; do not keep the flowers in the same... Read More

PHALAENOPSIS: Light Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago A very dark day in Illinois produces about 500fc; grow your phalaenopsis at 600 to 800fc. OD73-158Provide only a little less light than for cattleyas; use 1,500 to 2,000fc. A70-798 Read More

PHALAENOPSIS: Light Requiremnts

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The optimum growth was achieved in California using 1,250 to 1,500 fc. FR112 Read More

PHALAENOPSIS: Mesophyll Cell Collapse

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In early spring the cells collapse after exposure to cold; they show yellow depressed streaks, turn tan color and become pitted with black. AH86-108 Read More

PHALAENOPSIS: Micro-fungi Infection

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Perceived as a new disease in the U.S., it starts with ill-defined yellowing at the leaf edge, spreads inward, sometimes the leaf looks reddish-brown and dehydrated; then it moves to the next leaf;... Read More

PHALAENOPSIS: Minimum Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Temperature at night: 65 deg.F.; relative humid ity 60 to 70%; footcandles in winter: 500 to 1,000, and in summer: 1,500 to 2,000. AU71-135 Read More

PHALAENOPSIS: Node Culture for Propagation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The base of the bract must be removed by cutting into the epidermal layer or tannin discoloration in the tubes can occur. A87-403 Read More