Fungi often enters the orchid through damage on a leaf or the stem. If left unchecked, a fungus can spread down to the roots. … The appearance of a white substance on top of the orchid’s potting media can mean several things. It can mean it has been overwatered or it does not have enough air circulation.
What do unhealthy orchid roots look like?
Unhealthy Orchid Roots
Rotted roots are easily identified because they are brown, mushy and hollow. … Brittle roots indicated under-watering. If the plant is still alive, but the roots have all died and turned to mush, the plant may still be saved.
How do you get rid of white fungus on orchid roots?
Control snow mold by repotting your orchid in fresh potting media and water only when the soil begins to dry. Immerse moldy roots, rhizomes and part of the pseudobulb in a fungicide dip containing the active ingredients alkyl dimethylbenzyl ammonium chloride to remove the fungus from the roots.
Why does my orchid have white mold?
The appearance of a white substance on top of the orchid’s potting media can mean several things. It can mean it has been overwatered or it does not have enough air circulation. Another cause of white substances on the potting media could be the use of tap water, which can leave minerals and other residues behind.
Are white orchid roots dead?
Sometimes orchid roots can become mushy and die from overwatering. Other times, they simply outgrow their pots and need repotting, with a few dead roots trimmed during the process. … These roots may have been under- or overwatered, or they may just be old. Leave healthy roots that are plump and green to white in color.
What orchid leaves tell you?
Leaf color is a good indicator of the amount of light an orchid is getting: Bright green leaves indicate a happy, healthy plant. Dark green leaves signal that a plant is not getting enough light. Yellowish-green or red leaves indicate that a plant is getting too much light.
How do you get rid of mildew on orchids?
1. Treating Orchid Fungus: Cinnamon
- After you have trimmed your orchid’s leaves or stems, sprinkle a little dusting of cinnamon over the areas. …
- Dip your fingers, a cotton ball or a cotton swab in the alcohol and remove any mealybugs you see.
How do you treat orchids with fungicides?
Cinnamon is an excellent fungicide, and ground cinnamon may be applied straight from the spice jar directly to the exposed area where infected portions of the plant have been excised. First Rays Orchids also recommends mixing cinnamon with either casein-based glue (such as Elmer’s) or cooking oil to form a thick paste.