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Question | Answer |
---|---|
Body of an adult insect has 3 regions head,thorax and abdomen? | true |
By which characteristics can we distinguish mites from insects, # of legs, # of body regions or type of mouthpart | All of the above |
The four mouuthparts found on insects are: | siphoning, piercing-sucking and chewing |
The 4 life stages of an insect that goes complete metamorphosis are: | egg, adult, pupa and larva |
The types of plant damage caused by insects are: | defoliation, internal feeding, stem boring and root feeding. |
An aphid is an example of a: | Plant sucking pest. |
Honeydew is a fungus that covers the leaves of aphid invested plants? | false |
Symptoms of plant damage caused by sucking pest can include wilt, dead areas, ________ | Stunting and curling. |
All mites found on plants are plant pest? | false |
The first step in pest control is to learn what control tactics are available? | false |
It is not alsways economicalyl justifiable to spray a crop if the damage or pest levels are below the economical threshold? | true |
Insecticides with short residual activity are usually less likely to kill the benificial parasites of insects that are long residual insecticides? | true |
Repeat use of the same compound for a long periods will help prevent the development of insecticide resistant pest poppulations? | false |
Insects that have many generations per yr and produce many offspring per yr are more likely to develope resistance to an insectiside than those pest reproducing less frequently with fewer offspring? | True |
All insects are pest? | False |
One of the earliest uses of a chemical as a pesticide was the burning of sulfur? | True |
A major concern involving the use of chemical pesticides is the development of pesticide resistant pest? | True |
THe process by which organisms in a food chain accumulate progressively greater residues of pesticides in their bodies is called? | Biomagnification. |
Persistence in the enviroment is always a desirable pesticide characteristic? | False |
The responsibility of the US EPA is to protect human and enviromental health? | True |
Which of the following would not be considered a natural pest control? Wind, rain, cultivation, sunshine or topographic features? | Topographic |
Which of the following is a cultural control method? Fertilizer, planting time, crop rotation or pruning? | All the above. |
All pesticides kill only the target pest? | false |
The use of plants resistant to pests is an example of which control method? | genetic control |
The goal of a pest managment program is to eradicate the pest? | false |
Pest control that involves the use of numerous control tactics is called? | Integrated pest managment. |
The first step in a pest managment system is to identify the the pest? | True |
Monitoring weather conditions can be helpful in predicting an outbreak of certain insects and diseases? | True |
When the pest reaches the ________________ pest management procedures need to be applied to prevent the pest population from reaching an economically danaging density | Economic Threshold. |
weeds may be grasses or broadleaves? | true |
weeds are known by the same common name everywhere in the us? | false |
rotating crops from yr to yr has no effect on reducing weed populations because all weeds grow equally well in crops? | false |
established perennial weeds are more difficult to control than annual weeds because? | perennial weeds have large reserves of stored energy which will support life after treatment with herbicides. |
photosynthetic-inhibiting herbicides prevent treated plants from using sunlight? | true |
the best times to treat established perennial weeds are in the early fall or spring? | true |
keeping the crops or desired plants vigorous and healthy with weeds is an example of __________ weed control | cultural |
chemical control of weeds germinating from seed is most effective ___________ | in a seedling stage. |
in herbicide selection, the important questions are what crop is being grown and what weed is to be controlled? | true |
a Herbacie that can be applied too weeds with out injury to an established crop, and is absorbed by weed roots to be translocated throughout the plant | Soil-systemic-slective |
Establised bienniel and perennial weeds will usually recover following treatment by which type of herbicide | foliage-ccontact-nonselective |