Plant Structure
Leaves
Bracts
Stems
Roots
Insects
Shipping Related Problems
Problems at the Consumer Level
Leaf Edges Yellow and Necrotic
Yellow and Necrotic Leaf Spots
Uniform Yellowing
Leaf Discoloration, Chlorosis
Black Fuzzy Spots on Leaves
Leaf Deformation
Puckering of Leaves
Drooping Leaves
Leaf Loss
Roots appear to be rotten (See Roots: Roots Rotten)
Low
light
level and/or tight spacing
Occasional low
temperatures
High or extreme soil moisture contents (very dry changing with wet) (
Irrigation
)
Low quality
root substrate
(medium) with little air volume, with the roots possibly developing a root rot
High
humidity
(October, November)
Too many
pesticides
applications
Leaves wilt or droop, and usually accompanied by soft must stems on green plants or necrosis on woody plants (wet rot,
Choanephora cucurbitarum
)
Poinsettia stems with maggots burrowed into the hollow center (
Fungus Gnats
), with a
stem canker (
Rhizoctonia
)
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