Alabama OTPC Pests & Weeds Exam
Questions With Correct Answers
Piercing-sucking insects - CORRECT ANSWER✔✔-Scales, mealybugs, aphids,
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whiteflies & lacebugs; Leave Sooty Mold or Honeydew
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Scales - CORRECT ANSWER✔✔-Most damaging pests of ornamental plants; feed
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on underside of leaves, appear as bumps, prune out infested parts, use less
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susceptible plants when possible | | |
Mealybugs - CORRECT ANSWER✔✔-Scale insects, Covered with white, waxy
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material, usually a houseplant problem; replace badly infested plants
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Aphids - CORRECT ANSWER✔✔-winged or wingless; tail pipes or bumps on
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rearend, reproduce rapidly; wash off with water or soaps/oils
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Lace bugs - CORRECT ANSWER✔✔-azalaes and other shrubs; feed on underside
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of leaves; look for black grainy speck of excrement
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Thrips - CORRECT ANSWER✔✔-Feed on blossoms causing petals to become
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blotched, most abundant pest of ornamental plants
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Whiteflies - CORRECT ANSWER✔✔-Close relative of scales, feed under leaf
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surfaces
, Chewing insects - CORRECT ANSWER✔✔-Bagworms, cutworms, grasshoppers &
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beetles
Leafminers - CORRECT ANSWER✔✔-Larvae of several kinds of insects; feed inside
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the leaves creating tunnels causing discoloration
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Borers - CORRECT ANSWER✔✔-Cause injury by burrowing into ornamentals and
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trees. Stressed plants more susceptible
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Brown Patch - CORRECT ANSWER✔✔-Most damaging disease of St.
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Augustinegrass in AL. | |
Spring Dead Spot - CORRECT ANSWER✔✔-Disease of Bermuda and intensively
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managed Zoysia and St. Augustine | | | |
Dollar Spot - CORRECT ANSWER✔✔-Caused by fungus; most common disease of
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AL turfgrasses in summer and early fall
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Leaf Scorch - CORRECT ANSWER✔✔-marginal scalding or scorching of leaves
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Fungi - CORRECT ANSWER✔✔-Cause 80% of plant disease
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Gall - CORRECT ANSWER✔✔-disease that attacks azaleas
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Questions With Correct Answers
Piercing-sucking insects - CORRECT ANSWER✔✔-Scales, mealybugs, aphids,
| | | | | | |
whiteflies & lacebugs; Leave Sooty Mold or Honeydew
| | | | | | |
Scales - CORRECT ANSWER✔✔-Most damaging pests of ornamental plants; feed
| | | | | | | | | |
on underside of leaves, appear as bumps, prune out infested parts, use less
| | | | | | | | | | | | |
susceptible plants when possible | | |
Mealybugs - CORRECT ANSWER✔✔-Scale insects, Covered with white, waxy
| | | | | | | | |
material, usually a houseplant problem; replace badly infested plants
| | | | | | | |
Aphids - CORRECT ANSWER✔✔-winged or wingless; tail pipes or bumps on
| | | | | | | | | | |
rearend, reproduce rapidly; wash off with water or soaps/oils
| | | | | | | |
Lace bugs - CORRECT ANSWER✔✔-azalaes and other shrubs; feed on underside
| | | | | | | | | | |
of leaves; look for black grainy speck of excrement
| | | | | | | |
Thrips - CORRECT ANSWER✔✔-Feed on blossoms causing petals to become
| | | | | | | | | |
blotched, most abundant pest of ornamental plants
| | | | | |
Whiteflies - CORRECT ANSWER✔✔-Close relative of scales, feed under leaf
| | | | | | | | | |
surfaces
, Chewing insects - CORRECT ANSWER✔✔-Bagworms, cutworms, grasshoppers &
| | | | | | | |
beetles
Leafminers - CORRECT ANSWER✔✔-Larvae of several kinds of insects; feed inside
| | | | | | | | | | |
the leaves creating tunnels causing discoloration
| | | | |
Borers - CORRECT ANSWER✔✔-Cause injury by burrowing into ornamentals and
| | | | | | | | | |
trees. Stressed plants more susceptible
| | | |
Brown Patch - CORRECT ANSWER✔✔-Most damaging disease of St.
| | | | | | | | |
Augustinegrass in AL. | |
Spring Dead Spot - CORRECT ANSWER✔✔-Disease of Bermuda and intensively
| | | | | | | | | |
managed Zoysia and St. Augustine | | | |
Dollar Spot - CORRECT ANSWER✔✔-Caused by fungus; most common disease of
| | | | | | | | | | |
AL turfgrasses in summer and early fall
| | | | | |
Leaf Scorch - CORRECT ANSWER✔✔-marginal scalding or scorching of leaves
| | | | | | | | |
Fungi - CORRECT ANSWER✔✔-Cause 80% of plant disease
| | | | | | |
Gall - CORRECT ANSWER✔✔-disease that attacks azaleas
| | | | | |
