Exam (elaborations)
PLNT 1213 questions with complete solutions A+ rated
- Course
- Institution
PLNT 1213 questions with complete solutions A+ rated
[Show more]
Content preview
PLNT 1213aquifer - correct answer ✔✔An underground formation that contains groundwater, used for irrigation
purposes
evapotranspiration - correct answer ✔✔the evaporation of water from soil plus the transpiration of
water from plants
gravity flow irrigation - correct answer ✔✔flood or furrow irrigation; water is pulled from a ditch or pipes
and flows from one end of the field to the other
microirrigation - correct answer ✔✔subsurface and surface drips; water is dripped from small holes in
tubes or tape
salinization - correct answer ✔✔A process in which mineral salts accumulate in the soil, killing plants
sprinkler irrigation - correct answer ✔✔center pivot and lateral move; water is sprayed down onto crops
water use efficiency - correct answer ✔✔how efficiently a plant uses water
water use efficiency equation - correct answer ✔✔(dry matter produced) / (water consumed)
why plants need water - correct answer ✔✔maintain turgor, mineral uptake, photosynthetic activity
dry matter produced and water consumed - correct answer ✔✔what factors regulate plant water use
efficiency?
sprinkler, gravity flow, microirriation - correct answer ✔✔what are the three irrigation methods
discussed in class? (compare contrast?)
, biological pest control - correct answer ✔✔introduction of an animal/insect/microbial species that is a
natural enemy of the pest (goats, wasps w/ hornworm)
chemical pest control - correct answer ✔✔using pesticides to kill or prevent pest infestation (sprays)
cultural pest control - correct answer ✔✔managing the growing enviornment using cultural practices
(crop rotations, row spacing)
mechanical pest control - correct answer ✔✔using physical methods to control pests (tillage, plastic)
disease - correct answer ✔✔loss of the ability to properly function as a result of prolonged irritation by a
pathogen
pathogen - correct answer ✔✔species that is able to cause disease
weed - correct answer ✔✔plant growing where it is not wanted
integrated pest management - correct answer ✔✔series of pest management evaluations and decisions
that consider the agroecosystem as a whole
susceptible host, favorable enviornment, virulent pathogen - correct answer ✔✔what conditions must
be met for disease to occur?
pesticides are not 100% effecitive, the survivors of a spray are stronger/more resistant, they breed a
more resistant offspring (fast natural selection) - correct answer ✔✔how does pesticide resistance
develop?
ways pesticide resistance can be prevented - correct answer ✔✔apply the proper rate, apply in ideal
conditions, use multiple modes of action, utilize cultural practices when possible
multiple locations, multiple samples - correct answer ✔✔what is a good method of crop scouting for
pests?
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 BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79789 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now