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PLNT 1213 Exam 4 Review questions well answered updated
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PLNT 1213 Exam 4 Review questions well answered updated
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PLNT 1213 Exam 4 ReviewVariety/Cultivar: - correct answer ✔✔a group of similar plants that can be distinguished from others in
the species based on appearance or agronomic performance
Hybrid: - correct answer ✔✔the first generation cross of two individual plants that are genetically
different
5 seed quality factors: - correct answer ✔✔viability
purity
vigor
presence of pathogens, pests, or weed seed
mechanical damage
Formula for calculating percent germination: - correct answer ✔✔number germinated
---------------------- X 100
number tested
3 weed seeds: - correct answer ✔✔prohibited noxious: really do NOT want them in your field
restricted noxious: don't want them
common: there are just there
3 sources of seed: - correct answer ✔✔public associations
private coimpanies
farmer-saved
Who is OSU's wheat breeder? - correct answer ✔✔Dr. Carver
, 3 planting implements: - correct answer ✔✔broadcast spreader
drill
row crop planter
Formula for calculating percent live seed (PLS) - correct answer ✔✔PLS= purity x germination
Formula for calculating seeds/acre (SPA) - correct answer ✔✔SPA= plants per acre x (1seed/PLS)
Conversion factor equation for seeding rate: - correct answer ✔✔|| || ||
# of acres || # of seeds || 1 pound || bushel/bags
----------- ||------------- ||------------ ||-------------
1 field || 1 acre || # of seeds || # of pounds
|| || ||
Leibig's Law of Minimum: - correct answer ✔✔yield is proportional to the amount of the most limiting
nutrient
Fertilizer Analysis (Guaranteed Analysis): - correct answer ✔✔N-P-K
Urea - correct answer ✔✔46-0-0
DAP - correct answer ✔✔18-46-0
MAP - correct answer ✔✔11-52-0
Potash - correct answer ✔✔0-0-60
Anhydrous ammonia - correct answer ✔✔82-0-0
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