Category: Phalaenopsis

BLISTERS: On Phalaenopsis Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago If round, and look water-soaked, they are probably botrytis fungus; keep humidity lower at night; use a fan; water early in the morning. A72-412 Read More

PHALAENOPSIS: Adventitious Shoot Formation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago The nodes of flower spikes have buds which may develop into shoots; until a way to meristem phalaenopsis is found this offers a method for the rapid propagation of plants. A71-807+ Read More

PHALAENOPSIS: After Flowering, Tops Were Cut Off But Stumps Did Not Flower

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago Advice: leave one or two leaves below the cut, keep the temperature from 58 to 70 deg.F. with high humidity and a light intensity of 1,000 to l,500fc. A75-192 Read More

PHALAENOPSIS: After Flowering, the Spike Was Removed But No Branch Spike Followed

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago Vegetative buds below the cut do not develop under hot, dry conditions; change to cool nights from 55 to 60 deg.F. for a week or two with humid conditions. A76-1102 Read More

PHALAENOPSIS: Bacterial Disease

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago Erwinia cyprepedii is the probable cause; the recommended treatment for it, Natriphene, failed; try cultural practice as outlined fully; spray with Tersan 75 at 1 tpg, three times spaced fortnightl... Read More

PHALAENOPSIS: Bloomed Profusely for 12 Years Then Stopped

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago New shoots removed did flower when repotted separately; this is not rare, the main plant is weak; try repotting it in new medium and remove some of the old roots. A70-916 Read More

PHALAENOPSIS: Cool Growing Them At 58 Deg.f.

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago The mix is bark, moss and charcoal; repot at 18 months intervals from February to October only; use crock on end for drainage; lower temperatures are harder on whites, for pinks most rewarding; low... Read More

PHALAENOPSIS: Culture to Develop Sets of Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago A lack of nitrogen or phosphorous makes leaves mature early; a bark media needs high rates of fertilizer to feed micro-organisms breaking down the bark. A71-1021 Read More

PHALAENOPSIS: Flower Form Is Inferior

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago A temperature drop to 45 deg.F. in winter checks growth and formation drastically. A76-895 Read More

PHALAENOPSIS: Flower Stem Initiation

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago A night temperature of 60 deg.F, is low enough to do it. F72-90 Read More

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