Agriscience Mr Bailey Weeds Around Kentucky CREEPING CHARLIE KY BLUEGRASS THISTLE What is a Weed A weed is a plant that grows where it is not wanted Examples W heat growing in an oat field the wheat is considered a weed ID: 364606
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Slide1
Pesky Weeds
Agriscience
Mr. BaileySlide2
Weeds Around Kentucky!
CREEPING CHARLIE
KY. BLUEGRASS
THISTLESlide3
What is a Weed?A weed is a plant that grows where it is not wantedExamplesWheat growing in an oat field; the wheat is considered a weed. Slide4
Why are weeds considered pests?Weeds can be considered pests for many different reasons. They can:
Harbor insects and disease C
ompete with agricultural crops for sunlight, water and nutrients
G
row to big sizes and can block sunlight from other plantsSlide5
Why are weeds considered pests?I
t can sometimes lower the quality of the crop If incorporated with grain it is not as good for animals or humans
Sometimes the seed can even be poisonous
6.
Seed fast and spread quicklySlide6
Let’s identify some practices!Slide7
How are weeds controlled?People have many ways of controlling weedsHoeing or pulling up weeds
Animals have been used The best way is herbicidesSlide8
What is a herbicide?A substance that is used to kill plants There are two kinds of herbicides:
Selective- these will kill only certain types of plantsNon-selective- these will kill all plants that it comes in contact withSlide9
Herbicides used in the Agriculture Industry!Slide10
Exit SlipExplain what a weed is in Agriculture.Name three ways that weeds can be controlled in Agriculture.
Name the two kinds of herbicides used in the Agriculture Industry.