Chrysanthemum, Garden
Symptom Cause  
Leaves wrinkled, curled, discolored, stunted and tend to fall off
Aphids
>
Holes in leaves irregularly shaped between leaf veins.
Cabbage Loopers
>
Will eat buds and flowers, Larvae often enter fruit, numerous ragged holes appear after the leaves spread open after rolled or folded state.
Corn Earworms
>
Larvae feed exclusively on roots, Adults feed on the leaves of as well as on soft fruit and flowers of the plants, shoots and blossoms may also be consumed. Cucumber beetles may also spread cucumber mosaic virus or plant wilt.
Cucumber Beetles
>
Plant gradually wilts and you will see what looks like saw dust on plant stems
European Corn Borers
>
Yellowing of foliage, gradual defoliation, plants may become stunted
Fusarium Wilt
>
Flower clusters covered with gray mold
Gray Mold (Botrytis Blight)
>
Foliage turns pale and mottled
Lacebugs
>
Tip of leaves are brown, inside leaves larva leave trails, leaves roll up and skeletonized in appearance
Leaf Miners
>
Cottony white masses on roots, stems, branches and leaves will reduce plant health vigor
Mealybugs
>
Plant stunted/leaves yellowed, root lesions
Nematodes
>
Leaves covered with a white powdery coating
Powdery Mildew
>
Ragged holes in leaves found often in the middle
Slugs and Snails
>
Leaves stipples and covered with webs
Spider Mites
>
Leaves discolored, black fecal spots on underside of leaves
Thrips
>
Lanky, falling over and floppy stems
Too Much Shade
>
Weakened plants, leaves yellowed, appears like flying dandruff when leaves are rustled
Whiteflies
>