Too much or too little water plus insects and mites are the main problems. Root rot usually results from a soil mix that does not drain quickly or overly frequent watering. Mealybugs and aphids suck plant juices and heavy infestations will coat the leaves of dieffenbachia with sticky honeydew.
www.flowersgrowing.com/dieffenbachia/ www.flowersgrowing.com/dieffenbachia/
PHYSIOLOGICAL PROBLEMS ... Symptoms - Foliar infections on Dieffenbachia start as tiny pin point water-soaked areas which can rapidly enlarge to 1/4 inch or more. They tend to form on leaf margins where the bacterium can enter the leaf through hydathodes.
mrec.ifas.ufl.edu/foliage/folnotes/dieffenb.htm
Dieffenbachias come in several varieties, only one of which is all green (Dieffenbachia oerstedii). D. pictais the most common variety found in stores, and sports long, deep green leaves with white splotches. ... Here are some common problems Dieffenbachias face:
houseplants.suite101.com/article.cfm/all_about_dieffenb... houseplants.suite101.com/article.cfm/all_about_dieffenbachia
Dieffenbachia.PDF (PDF File)
Dumb Cane h Dieffenbachia species; It is critical to the overall health of the plant that problems be diagnosed quickly. The most common insects found on dieffenbachias are spider mites and mealy bugs. These insects suck the sap of the plant and then secrete a sticky substance onto the surface of the leaves.
www.molbaks.com/infopages/dieffenbachia.pdf www.molbaks.com/infopages/dieffenbachia.pdf
; Bacterial leaf spot causes very small, yellow or yellowish-orange spots with translucent centers. The spots enlarge up to 1/2 inch and run together. Under drier conditions the spots do not enlarge Numerous spots cause infected leaf parts to yellow, ... The ooze may later appear on the upper surface of the spots.
web1.msue.msu.edu/imp/modzz/00000526.html
More Container Gardens Answers; Question Library; ... Ask a question about Container Gardens; Volunteer; Experts of the Month; Expert Login; Awards; About Us; Tell friends; Link to Us; Disclaimer; ... ; You are here: Experts > Style > Gardening > Container Gardens > Dieffenbachia plant problem;
en.allexperts.com/q/Container-Gardens-714/Dieffenbachia... en.allexperts.com/q/Container-Gardens-714/Dieffenbachia-plant-problem.htm
I have a Dieffenbachia and it is about 5ft. The top half is full and the leaves are spread out nice. The bottom half on the other hand is drooping way down and the leaves are starting to turn yellow. I keep it in the kitchen about 4ft from the window.
en.allexperts.com/q/Container-Gardens-714/Dieffenbachia... en.allexperts.com/q/Container-Gardens-714/Dieffenbachia-problem.htm
House plant guide explaining how to properly care for Dumbcane plants, Dieffenbachia ... If the plant becomes to tall and leggy, it may be cut back to any height and the cut portions used for propagation. The sap of the Dieffenbachia is extremely poisonous. Even a small amount in the mouth can cause the tongue to swell to...
www.thegardenhelper.com/dumbcane.html
Dieffenbachia - House Plant Help from Green And Ever Growing ... Foliage and stalk of the Dieffenbachia need full sun in order to keep the plant from becoming top heavy and in need support. Most of the time these plants are tied up and hung up like puppets. They must be trained to support themselves.
www.evergrowing.com/tips/dieffenbachia.htm www.evergrowing.com/tips/dieffenbachia.htm
Q: I have a dieffenbachia in my house. After this winter, the plant started to spread. However, the stem of the plant is turning yellow and the area where the stem and the soil touch is soft. What can I do? I'm worried sick.
www.ext.nodak.edu/extnews/hortiscope/houseplnts/dffenbc... www.ext.nodak.edu/extnews/hortiscope/houseplnts/dffenbchia.htm