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Poinsettia Problem Diagnostic Key - Symptoms / Cause

Plant Structure
Leaves
Bracts

Stems

Roots
Insects
Shipping Related Problems
Problems at the Consumer Level
Black streaks or blotches on stems
Black colored soft rot
Water-soaked stem, turning into sunken canker
Grey to brown or black lesions on stems
Soft, mushy decay of stems
Brown stem rot at the soil line
Longitudinal splits of stem
Stems break off
Stems with hollow center

 

Brown stem rot at the soil line (Rhizoctonia)
 
 
 
 
 
 

Home : Plant Part / Problem Type : Plant Structure / Problem Location : Symptoms / Cause

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