Exam (elaborations)
A1 Field Crops pest management Questions and Answers 100% Solved
- Course
- Institution
A1 Field Crops pest management
[Show more]
Content preview
A1 Field Crops pest managementWheat mosaic virus - answer Survive on volunteer wheat, build up in early season.
Surround and infect the crop later in the season
Velvet bean caterpillar - answer easily spread by overhead sprinkler irrigation
Leafhopper and alfalfa weevil - answer cutting alfalfa early can reduce the damage from
these insects
High value crop will ususally have a high economic threshold - answerFlase
Field scouting is important because it helps determine pest - answerpresence, location,
life stage
When scouting a field, you should sample only from - answerRandomly picked locations
throughout the field
Which of the following is an example of a biological control - answerParasitoid
Host plant resistance is a form of - answerCultural control
When plant species eliminate other plants by releasing toxic chemicals, it is called -
answerAllelopathy
After the growing season, destroying or removing crop residue can help reduce
potential insect and disease problems the following year - answerTrue
Pesticides are not part of an IPM program - answerFalse
Herbicides that are applied and mixed into the soil before crop planting are
called_________ herbicides - answerPreplant incorporated
Very weedy cornfield, the corn is knee-high - answerCurative
A neighboring field is infected with a disease and you dont want it in your field -
answerPreventive
The msu crop advisory team alerts you to potential pest outbreaks in your area -
answerPreventive
You apply a fungicide to get rid of a disease - answerCurative
, When scouting a field, you find that the potato leafhopper population is above the
economic threshold - answerCurative
Typically a fly or tiny wasp that develops inside another insect - answerParasitoids
Generalist (organisms that eat almost anything) - answerPredators
Using living organisms to control a pest - answerBiological control
Viruses or bactera - answerPathogen
Reduces unnecessary pesticide exposure to worker - answerReentry interval
Damage to crop caused by pesticide application - answerPhytotoxicity
Avoids harvesting pesticide-contaminated crops - answerPre-harvest interval
Results from the continued use of the same pesticide - answerPesticide resistance
Triple rinse containers can be reused? - answerFalse
Pesticide label is a legally binding document - answerTrue
A certified pesticide applicator may apply a pesticide labeled for use on alfalfa to
soybeans only if - answeruse for soybeans is also on the pesticide label
which of the following is not true about ground water - answerIt is found at the earth
surface
When applying a pesticide according to the instructions on a supplemental label, you
should have - answerThe label with you
The part of the government that regulates pesticides in the United States is the -
answerEnvironmental protection agency
The least hazardous pesticide formulation for bees and other pollinating insects is -
answergranular
The water table depth changes - answerThroughout the year
Rain and melting snow do not affect the water table - answerFalse
Non point source pollution is generally easier to trace back to the origin than point
source pollution - answerFalse
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller jw638729. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62890 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now