Washington Pesticide Laws and Safety Questions and Answers Already Passed
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Washington Pesticide Laws and Safety
Institution
Washington Pesticide Laws And Safety
Washington Pesticide Laws and Safety
Questions and Answers Already Passed
What is a severe pest? A pest present in populations that are always above the economic
injury level in the absence of control.
What is an occasional or secondary pest? A pest that can cause damage above economic
inj...
Washington Pesticide Laws and Safety Questions and Answers Already Passed What is a severe pest? ✔✔A pest present in populations that are always above the economic injury level in the absen ce of control. What is an occasional or secondary pest? ✔✔A pest that can cause damage above economic injury levels only at certain times. What is a potential pest? ✔✔A pest that typically causes no apparent economic damage under normal circumstances. What is a migratory pest? ✔✔A pest that may cause serious economic damage on a periodic basis. What are the five steps of developing an IPM program? ✔✔1. Identify the pest to be managed. 2. Define the management system. 3. Develop the pest management strategy. 4. Develop reliable monitoring techniques. 5. Use economic thresholds. What is an economic threshold? ✔✔The level or density of a pest population where control measures need to be applied to prevent the pest from reaching the economic injury level. What is an economic injury level? ✔✔The pest population density that causes losses equal to the cost of the control measures. What are mechanical control methods? ✔✔Devices that prevent the spread or reduce the infest ation of pests, primarily insects and vertebrate animals. Mechanical controls include hand destruction, traps, and mechanical exclusions such as screens, nets, and fences. What are physical control methods? ✔✔The manipulation of water, humidity, temperatu re, electric shock, or other radiant energy to kill, alter the pests life cycle, or create an unfavorable environment for the pest to live in. What are cultural control methods? ✔✔The manipulation of the environment to avert serious pest damage. Cultural control methods require knowledge of the plants needs and potential problems. Ex: irrigation management, rotating crops, pruning, cover crops, etc. What are generic control methods? ✔✔The use of plants and animals that are resistant to attack by pests. Ex : Traditional breeding techniques combined with genetic manipulation of plants to promote host plant resistance to pests and disease. What are biological control methods? ✔✔Involve the introduction, encouragement, and/or artificial increase of plants and insects/animals that are parasites or predators of a pest species. What are chemical control methods? ✔✔Involve the use of naturally or synthetically derived chemicals that, kill, attract, repel, or otherwise manage the growth of a pest. Avicides ✔✔Manag ement of birds. Bactericides ✔✔Management of bacteria. Fungicides ✔✔Management of fungi. Herbicides ✔✔Management of plants.
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