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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
Plants Too Tall
Plants Too Small
Plants Uneven
Insufficient and Uneven Branching
Thin Branches
Stem Breakage
 
 
 

 

Root substrate (medium) too dry, especially in the beginning (Irrigation)
Electrical conductivity (EC) levels too high (combined with dry substrate), especially in the beginning
Low fertilization (<200 ppm N)
Roots appear rotten (Pythium, Phytopthora, or Thielaviopsis)
Over application of plant growth regulators
Temperature too low (average below 68°F [20°C]), not enough positive DIF
Cuttings too hard
Too much stress (water stress, high or low temperatures, nutritional)

 

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

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