Shared Flashcard Set

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Agro 302 last test vocab
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22
Agriculture
Undergraduate 3
04/22/2008

Additional Agriculture Flashcards

 


 

Cards

Term
Name the two annual summer grassy weeds
Definition
Crab and Goose
Term
Warm, moist, summer grassy annual, BLENDS WITH ST. AUG, light to germinate
Definition
Crabgrass
Term
Summer grassy annual, darker than crab grass, thrives in high traffic, strong root system, hard to control
Definition
Goosegrass
Term
Summer broadleaf annual, stems are soft and not very noticeable, stems turn woody, flowers visible
Definition
Aster
Term
Annual winter Grassy, likes moisture, compacted soils, prolifc yellowish white seedheads
Definition
Bluegrass
Term
Winter Annual broadleaf, SQUARE STEMS, small pink purple flowers
Definition
henbit
Term
Perennial, grassy, grows in clumps, short stout rhyizomes, same texture as st. aug, grows faster than turfgrass after mowing
Definition
dallis grass
Term
Perennial broadleaf summer, creeping growt habit, kidney shaped leaves, common
Definition
Dichondra
Term
Broadleaf winter, deep, thick taproot, puffballs
Definition
dandelion
Term
Summertime sedges, serious weeds worldwide, more rapid shoot growth than turf, 3 sided stem
Definition
yellow and purple nutsedge
Term
Fungi disease, seed may rot in soil, seedlings become water soaked, favored by wet weather, easy to control by fungicides,
Definition
damping off diseases
Term
fungi disease, circular pattern of yellow grass, leaves pull easily from stolons, recovers by itself
Definition
Brownpatch
Term
St. Aug, Fungi disease, roundish, tan colored leisions w/ brown or purplish borders
Definition
gray leaf spot
Term
Fungi disease bermuda,
Definition
Helminthosporium leaf
Term
circular, brow to star colored, size of silver dollar, low n/k favor disease
Definition
dollar spot
Term
Tuurf thins out or maybe completely killed

can be cured by having management practies that control root growth
Definition
bermudagrass decline
Term
Main problem in South w/ st. aug
leaves die leaving bar st. aug stolons
grass doesnt recover
Definition
take all patch
Term
Red powder rubs off on fingers and shoes, ryegrass, tall fescue
Definition
rust
Term
Dark green or circular bands, mushrooms on perimeter, stimulated dark green grass at perimter, best to treat symptoms
Definition
Fairy rings
Term
Leaves and stolons appear to be under severe water stress
spoots on stolons
raise mowing hegiht
Definition
nigrospora stolon rot
Term
Slim molds
Definition
don't infect plant directly
Term
Nematodes
Definition
all grass can be infected, small roundworms invisible to naked eye,
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