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FNGLA Plant Problems – Questions And Correct Answers
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FNGLA Plant Problems – Questions And Correct Answers
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FNGLA Plant Problems – Questions And CorrectAnswers
Diagnosis - ✔️ Identification of the cause of plant problems
What sources provide help with nursery & landscape professionals? - ✔️
University of Florida's Institute of Food and Agriculture Sciences, Cooperative
Extension Service, and Florida Department of Agriculture & Consumer
Services Division of Plant Industry
What does the Nymph resemble? - ✔️ A smaller version of the full-grown
insect without wings
When larve molt and mature what inactive form do they transform into? - ✔️
Pupa
Complete Metamophis - ✔️ When the adult moth, beetle or fly emerges from
the pupa after a period of no feeding and little activity
What percent of all insects are pests on plants? - ✔️ Less than one half
What is evidence of parasitism in parasitic wasps? - ✔️ A small hole in the
host's body from the emerging wasp
What harmful insects do parasitic wasps parasitize? - ✔️ Scales, Whiteflies,
Aphids, Leafminers and Caterpillars
What insects have piercing-sucking mouthparts? - ✔️ Scales, Aphids,
Whiteflies, Mealybugs, Thrips, Lacebugs and Spittlebugs
What pests are the most serious on ornamental plants? - ✔️ Scales
What pests secrete a waxy covering over their bodies, making them more
difficult to control as they become more mature? - ✔️ Scales
What insects excrete large amounts of __________ which provides an excellent
medium for the growth of a black fungus called __________ __________. - ✔️
Honeydew & Sooty Mold
, If __________ of scales have been parasitized, continue to monitor the infestation
because a pesticide application probably isn't necessary. - ✔️ 20-40%
If plants have history of serious, persistent scale problems when should they
be sprayed? - ✔️ In the spring shortly after the new growth hardens and
before the scales become mature
How do aphids cause damage? - ✔️ Sucking plant juices & transmitting plant
viral diseases
Almost all aphids are __________, they reproduce without mating and seldom lay
eggs, instead giving birth to live young. - ✔️ Female
How many daughters does a female aphid produce in their lifetime? - ✔️ 50-
100
How long does it take a daughter aphid to reproduce? - ✔️ 6-8 days
The presence of shiny black spots of excrement on the underside of leaves is a
good indication that which kind of bug is present? - ✔️ Lacebug
How should you check flowers and leaves that are suspected of infestation? -
✔️ Shake them over a white piece of paper
Which pest is not an insect but is closely related to spiders, ticks and
scorpions and suck plant juices with their piercing-sucking mouthparts? - ✔️
Spider Mites
Which pests are considered most serious in turf grass? - ✔️ Mole Crickets
What host grasses are mole crickets favorite? - ✔️ Bahia & Bermuda
How do mole crickets affect grasses? - ✔️ Tunnel through the soil near the
soil near the surface, severing roots and uprooting the grass
Viroids - ✔️ Similar to a virus, but lack a protein encapsulation, containing
only RNA and are the smallest known infectious agents causing plant disease
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