(GRADED A+ 100% DETAILED VERIFIED ANSWERS)
Name six pests to landscape (besides weeds) - ANSWER✅ insects, mites, fungi, bacteria,
viruses, & nematodes
Four ways that weeds compete with the desirable plants: - ANSWER✅ water, nutrients,
light, reduced visual beauty
Where does a maintenance gardener spray? - ANSWER✅ On or around ornamental plants,
turf, fruit trees, shrubs, and small fruits and berries. Areas typically include homes,
businesses, cemeteries, parks, malls and places with indoor plants. Work often around
human activities.
Why does a maintenance gardener spray? - ANSWER✅ To control a pest so that it does
not compete with other plants for nutrition, and for aesthetics.
What is a weed? - ANSWER✅ A weed is a plant that is not desired in a landscape. Weeds
also compete with desired plants for water, nutrition, and space.
What is a pest? - ANSWER✅ A pest is an organism that can cause problems in various
ways including: competing with people for food and fiber; transmitting diseases between
plants, damaging plants, and damaging structures
,Why is it important to identify a pest? - ANSWER✅ Misidentification and lack of information
about a pest could cause you to choose the wrong control method or apply the control at the
wrong time.
True or False? Pesticide labels refer to most pests by their common names. - ANSWER✅
True, like housefly, roof rat, american cockroach
Name four stages of insect growth changes. - ANSWER✅ Eggs, larval, pupal, and adult
What stage of growth are weeds most readily controlled? - ANSWER✅ Seedling Stage
True or False? Most perennial weeds are not susceptible to herbicides during early bloom
stages. - ANSWER✅ True
What is the difference between a summer annual and a winter annual? - ANSWER✅ Seeds
of a summer annual sprout in spring, and the plants produce seeds and die in the summer or
fall.
Seeds of a winter annual sprout in the fall, and the plant produces seeds in the spring and
usually die before summer.
Name one summer annual and name one winter annual. - ANSWER✅ Puncturevine; Annual
bluegrass
,What is a perennial weed? - ANSWER✅ A weed that grows for more than 2 years.
Name one perennial weed. - ANSWER✅ Bermudagrass
Are perennial weeds the least difficult or most difficult to control? - ANSWER✅ Most
difficult
What are three main categories of weeds? - ANSWER✅ Grasses, Broadleaf, and Sedges
Traits of a broadleaf weed, and one example - ANSWER✅ Have larger surface area and is
a dicot (two cotyledons); little mallow
Traits of grassy weed - ANSWER✅ Has a single cotyledon (monocot) and has fibrous
roots- often perennials have tubers like Johnsongrass
What are common plant pests that chew on leaves? - ANSWER✅ Caterpillars, beetles,
grasshoppers
What are common plant pests that bore or tunnel into leaves, stems, or fruit? - ANSWER✅
Twig borers, leafminers, and beetles
What are common plant pests that suck plant juices? - ANSWER✅ Aphids, mites, scales,
thrips, plant bugs
, What are common plant pests that feed on roots? - ANSWER✅ Beetles, aphids, and flies
What are common plant pests that feed on fruits, nuts and berries? - ANSWER✅ Moth
larvae, beetles and earwigs
What are common plant pests that cause malformations such as galls? - ANSWER✅ Flies,
wasps, mites
What are common plant pests that transmit diseases? - ANSWER✅ Aphids, mites, and
leafhoppers
What are the three pesticide signal words? - ANSWER✅ Caution, Warning, Danger
What does LD mean? - ANSWER✅ Lethal dose, measured in mg/kg, and measured by death
of 50 percent of the population of rats
What is a herbicide? - ANSWER✅ Chemical that kills plants
What does non selective mean? - ANSWER✅ Affects all plants, even non-target
What does selective mean? - ANSWER✅ Affects target plants