Iowa Ornamental and Turfgrass Pest Management Category 3 OT Exam with Complete Solution

Iowa Ornamental and Turfgrass Pest Management Category 3 OT Exam with Complete Solution CH1 Define integrated pest management - -IPM is a system that uses all available and suitable pest control tactics to reduce pest population to tolerable levels while minimizing adverse environmental side affects CH1 Explain how aesthetic thresholds affect IPM tactics - -IPM establishes aesthetic thresholds based on tolerance, personal comfort, taste, plant appearance, and specific site and environmental conditions. CH1 Explain how IPM can reduce the use of pesticides - -IPM reduces hazards by reducing overall pesticide use, using least hazardous pesticides when there is a demonstrated need, and taking special protective measures to reduce pesticide exposure living organisms and the environment. CH1 List the six control strategies used in IPM - -1. Cultural 2. Mechanical 3. Host Resistance 4. Biological 5. Regulatory 6. Chemical Practices Define pesticide - -substances or mixture thereof intended for preventing, destroying, repelling, or mitigating any pest, or regulate plant growth. Contact pesticide - -pesticide that controls a pest when it comes into direct contact with the pesticide Systemic pesticide - -A pesticide that is absorbed and transported around a plant in the sap Preemergence Herbicide - -a herbicide applied before weed or crop germination Postemergence Herbicide - -a herbicide applied after weeds are actively growing Plant diseases application timing - -Efficacy of many fungicides that susceptible tissues be protected before any infection begins or at first appearance of symptoms Insects application timing - -The younger the insect stage the more susceptible it is to chemical control Annual weeds - -easiest to control early in the spring while they are still small. Biennials (Winter Annuals) - -Should be treated in the fall or early spring when in the rosette stage. Perennial weeds - -can be controlled with herbicide applications made in the early bloom stage or fall when the plant is transporting food reserves to the underg