Damage is usually caused by removal of plant sap, but also may be caused by plant pathogens, toxins and the production of large quantities of honeydew with resultant growth of sooty mold fungi that cover leaf surfaces and reduce photosynthesis.
(Damage; is caused; by removal of plant sap; T:usually) (Damage; may be caused; by plant pathogens, toxins and the production of large quantities of honeydew with resultant growth of sooty mold fungi) (sooty mold fungi; cover; leaf surfaces) (sooty mold fungi; reduce; photosynthesis)
Damage Damage sooty mold fungi sooty mold fungi
is caused may be caused cover reduce
by removal of plant sap T:usually
by plant pathogens, toxins and the production of large quantities of honeydew with resultant growth of sooty mold fungi
leaf surfaces
photosynthesis