Virginia Commercial Pesticide Applicators exam (Catagory 1A) AG plant pest control Exam Questions and Answers 100% Pass

Virginia Commercial Pesticide Applicators exam (Catagory 1A) AG plant pest control Exam Questions and Answers 100% Pass when should you take action to control a pest? - Answer- if the pest reaches a level that exceeds the economic threshold what is the main reason to use pesticides on agricultural land? - Answer- to prevent a pest population from reaching and economic injury level what are the main types of agricultural plant pests covered in this manual? - Answer- insects, mites, diseases, nematodes, and weeds briefly describe IPM - Answer- IPM is an an ecological approach to pest control. it means using all available tactics to manage pests below an economic threshold level. most important, it combines the most effective pest-control strategies into a unified, site- specific plan. this plan may include cultural, biological, and mechanical control methods as well as chemical ones. name crop groups that are Virginia's important agricultural crops - Answer- christmas trees non-crop agricultural land pasture/forage small fruits small grains tree fruits vegetables what are the main commercial fruits in Virginia? - Answer- apples, peaches and nectarines blackberries, raspberries, strawberries, and blueberries grapes describe how to deal with the public when you are applying pesticides - Answer- be well informed about your task, and be courteous to everyone you talk to. tell people you are committed to safety and your environment. explain what you are doing and why. where can you get specific, current, pesticide information? - Answer- From the Pest Management Guide PMG series. and the Commercial Vegetable Production Recommendations and Spray Bulletin for Commercial Tree Fruit Growers. As a pest manager, why should you understand the developmental stages of arthropods? - Answer- 1. it helps to identify many insect pests, which may radically change appearance from one stage to the next 2. it will help find insect pests depending on which life-cycle stage they are in. many insects will attach crops in one stage but not another. what are the main arachnid pests of ag plants and how do they harm the crops? - Answer- Mites- they suck plant juices and feed on the underside of leaves as well as stems and petioles. mites disfigure the plants they feed on. they cause a general decline in condition and yield loss in severe cases. what is a major host plant of the cereal rust mite in Virginia and describe injury symptoms - Answer- Timothy hay- when cereal rust mites feed on leaves, the cells collapse. toxins in the saliva prevent new leaves from unfolding and cause older leaves to curl. also causes slow growth, stunting and discoloration. describe how the European red mite injures grapes and other fruit and when it is most damaging - Answer- these mites feed on leaves, destroy chlorophyll and decrease photosynthesis. they remove sap with piercing sucking mouth parts. most damaging in late spring and summer. name 2 mites that are particular pests of pear trees in Virginia. how do they damage pear crops? - Answer- The pear leaf blister mite and the pear rust mit