Shared Flashcard Set

Details

Ent283
Exam 4
8
Agriculture
Undergraduate 2
04/20/2010

Additional Agriculture Flashcards

 


 

Cards

Term
Define an annual weed
Definition
A weed that completes it's life cycle in one year and primarily reproduces by seed
Term
Define a biennial weed
Definition

A weed that requires two years to complete it's life cycle

 

reproduction is only by seed

Term
Define a perennial weed
Definition

a weed that lives for three or more years

 

reproduces by seed or vegetatively

Term
Large Crabgrass
Definition

Membranous ligule, short and jagged.

 

Hairy on upper and lower surface

Term
Barnyard grass
Definition

NO ligule

 

hairless blade and sheath

Term
Wolly cupgrass
Definition

Extreme short dense hairs

 

one blade crinkled

 

1st leaf is wide and lays on soil surface

Term
Witchgrass
Definition

Ligule is fringe of hairs

 

Leaf blade & sheath densly hairy

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