Chapters 11-13 Flashcards
what can be used to control garden snails
molluscicide
give an example of a synthetic organic pesticide
sevin
how can too much pesticide be harmful
they can harm or even kill the plant or animal to be protected, as well as cause tolerance
in pesticide terminology what is meant by the abbreviations EC, G, and WP
EC = EMULSIFIABLE CONCENTRATES G = GRANULES WP = WETTABLE POWDERS
list at least three things found on all pesticide labels
brand, type of pesticide, and directions for use
what tipe of minimum body protection should be used each time pesticides are applied
long-sleeved buttoned shirt and long-legged trouser
what is the best source of information on using pesticides
their lavel
describe the differences between the words DANGER, WARNING, AND CAUTION
DANGER: highly toxic, a teaspoonful could kill an average adult.
WARNING: moderately toxic, a teaspoonful to a tablespoonful could kill an average adult.
CAUTION: slightly toxic, an ounce to a pint or more could kill an average adult.
Basic steps to manage pest populations
- Prevention
- Early detection
- Correct identification of the pest
- Proper selection of control materials
- Correct water pH
- Correct application methods
Three things that one can do to reduce pest populations without spraying
Site selection
Early removal of vegetation
Resistant cultivars
Three ways to control insects mechanically
Black light traps
Sticky coatings
Companion planting
What is meant by companion planting? Give an example.
Using one type of plant to protect or enhance the growth of another, is a cultural practice aimed at reducing insect populations. For example, planting roses (vegetable) with chives or marigolds (companion plant) to repel aphids (insect).
Three biological insecticides
Rotenone - botanical insecticide
Bug juice
Plant extracts
Mention three beneficial insects
Lady beetles
Praying mantis
Assassin bugs
Two ways weeds are classified
Monocots (grasses, sedges) and dicots (broadleaf)
How can weeds be controlled by crop rotation?
By preventing seed production while promoting germination of dormant seeds.
What is the difference between a pre-emergent and a post-emergent herbicide?
A PRE-EMERGENT herbicide is applied after planting the crop, but before the weed seed germinates. A POST-EMERGENT herbicide is applied to the foliage of weeds after the weed has emerged from the soil.
What herbicide effectively controls nutsedge?
Dalapon
Three types of herbicides to control wild garlic.
Fertilizer-herbicide mixtures
granular herbicides
spray herbicides
