PLPA Control Quiz

types of losses
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Terms in this set (26)
avoidance principle-site selection -timing -change planting site -modify environment -vectors control -hygieneeradication principle-crop rotation -biological control -rouging removal of plant debris -removal of alternate hosts -chemical or physical treatments -sanitationsanitationremoval of infected materials immediately (cuttings, sterilize soil, farm implements, etc.)protection principles-chemical -biological control -systemic treatments -cross-protectionbreeding for disease resistancedevelopment of disease resistant cultivars is the most effective type of disease control (stable resistance).therapy principle-chemical -heat -surgerybacterial control-antibiotics -nematodes -systemicsantibiotics1. penicillin 2. streptomycin 3. tetracycline 4. bactericidespenicillinInterferes w/ the biosynthesis of peptidoglycan layer of bacterial cell wall and bacterial cell is lysed. Penicillin is not used to treat plant diseasesbiological control of plant pathogens1. antibiosis 2. competition 3. mycoparasitism 4.hypovirulence 5. induced resistanceeffective controlCompete for wound site , nutrients and produces antimicrobialadvantages of Mycoparasitism1. NOT dependent on external carbon source for activity or production. 2. Active agent is not subject to binding by soils. 3. Tolerance to environmental agentAssessment as the basis for selecting appropriate control measures-analyze from a population perspective -analyze from an individual plant perspectivecommon classes of pesticides-non-restricted use -restricted usesignal wordsan indication of level of toxicityfungicide types-protectant -systemic