QAC Category B Landscape Maintenance

Perennial weeds are difficult to control because... - Answer- They can reproduce from organs like rhizomes, stolons, tubers Insect order known to transmit plant disease - Answer- Thysanoptera (Thrips) Insect order of pests to living plants - Answer- Heteroptera (true bugs) Immature stages of insects - Answer- Instars Insect order that suck juices from plant cells - Answer- Homoptera (aphids and whiteflies) Part of plant nematodes often attack - Answer- Roots & underground parts Plant disorder that cannot be transmitted between plants - Answer- Abiotic problems Ant insect order - Answer- Hymenoptera Insects with chewing mouthparts - Answer- Caterpillars What kind of insect are mites - Answer- arthropods Insects that cause leaf stippling - Answer- Mites Life stages of complete metamorphosis - Answer- egg, larva, pupa, adult Complete elimination of pest species - Answer- eradication Pests that cause damage on a regular basis - Answer- Key Pests Use of preemergence pesticide is an example of - Answer- preventive use Keeping pests below a certain level - Answer- pest suppression example of cultural and mechanical control - Answer- Mowing weeds use of physical barriers - Answer- exclusion Method for controlling rodents - Answer- sanitation Inspecting plants before planting is - Answer- preventive contro