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Tarnished plant bug causes distorted flowers and leaves when it injects a poison as it feeds. Applications of Sevin should control this insect.

Leafhopper causes cupping and in-rolling of leaf margins. The petioles are twisted and the undersides of infected leaves turn purplish as they are exposed to the sun. The branch tips and leaflets wilt and the leaflets turn yellow and dry. New shoots develop below the point of attack. Dwarf varieties are more severely infested than taller types. The repeated killing of the branch tips delays flowering. Applications of acephate, Diazinon dust, rotenone, or Sevin will keep these insects under control.

Greenhouse leaf tier webs the leaves or flower buds together. The insect feeds on the undersides of the leaves. No chemical control is listed.

Slugs may be detected by the silvery slime trails they leave. Slugs can be controlled with slug baits used according to label directions.

Mites are the most frequent pest on marigolds especially during hot weather. The leaves lose their green color and severe infestations cover the plant with fine webbing. Use applications of Diazinon dust.

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Mites on marigold - 62K
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