June 26, 2011
June 27, 2011
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The leaves of my Scindapsus aureus (Devil’s Ivy) are all covered with yellowish spots. I wonder why. These 3 potted plants are growing in my office. Do I have to remove the whole plants and replant again?
This is normally indicative of some type of environmental change, but yellow spots usually mean the plant is being deprived of nutrients. I would first reduce any watering, as over watering is one of the most common causes of leaf yellowing. You should also increase the fertilizer, should the plant be nutrient deficient. In addition, nutrient deficient plants may be a sign that it's in need of repotting. Are there any roots coming from the pot? How is the light where the plant is located? A change in light conditions can also trigger this response. Is it too drafty? You may need to move it. Finally, check the plant for pests. If necessary, you can treat it with neem oil, which should take care of any pest issues and as a bonus, it's also a great fungicide.
I was trying to save my devils ivy which was stations to get root rot, and realised I cut some of the tap root which I wasn’t meant to do. It was really long and it is very well developed plant. It was only about 1/4 that I cut from it. So you think this will effect the plant much?
The cut will not harm the plant. The fact that there is an infection in the soil will. That is a very large, and now open, vascular cluster. This means that the infection will spread much faster throughout the entire plant. It will be necessary to treat the infection fast in order to save this.
Use dolomitic lime, and wettable sulfur around the area. This will kill off infection, and stabilize the pH. This will offer the plant the best chance of survival.
Just make sure not to water the plant. Unless it is very dry for a long time, you will not need to water this. They are drought tolerant, and will prefer drier soil if you can help it.
From the photo the plant appears to be underwatered, as indicated by the wilting and some dried leaf tips and leaf edges. The yellowing can also be related to the water deficit, and possible nutrient deficiency.
A soil moisture meter can help with taking the guess work out of when to water and how much.
You may be under-watering in order to avoid water spilling out of what appears to be a small tight fitting saucer under the hanging plant.