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PLNT 1213 EXAM 3 correctly answered A+ graded
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PLNT 1213 EXAM 3 correctly answered A+ graded
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PLNT 1213 EXAM 3seed - correct answer ✔✔mature, fertilized ovule
a grower must choose seed that is - correct answer ✔✔an appropriate species, an appropriate variety,
and of high quality
What is marketable? - correct answer ✔✔commodity vs. niche market, infrastructure (facilities for
processing), and demand (area, location)
Don't sell something you can't... - correct answer ✔✔sell
What is adapted? - correct answer ✔✔light, temperature, and water requirements
Variety - correct answer ✔✔purebred line
Hybrid - correct answer ✔✔crosses between varieties
hybrid vigor - correct answer ✔✔cross pollination of two inbreds (50% yield bump)
variety or hybrid selection consider - correct answer ✔✔yield, environment (location close to your crop),
pest resistance, pest management strategy (GMO?), and other desirable traits
seed quality - correct answer ✔✔an indicator of the ability of a seed to develop into a productive plant
seed quality factors - correct answer ✔✔viability, purity, vigor, presence of pathogens, insects, or weed
seed, and mechanical damage
viability - correct answer ✔✔the ability of a seed to germinate under favorable conditions
, one way to quantify viable seeds is to.. - correct answer ✔✔calculate the percent germination
germination - correct answer ✔✔the process of resuming growth in a seed (seed in a frozen state until it
hits germination)
testing viability - correct answer ✔✔rolled towel, in petri dish, and count the number of seeds that
germinate normally
calculating percent germination - correct answer ✔✔% germ = (# germ/# tested)*100
seed purity - correct answer ✔✔measures the percentage by weight of the desired seed in the sample
for seed purity you must determine - correct answer ✔✔seeds of other crops, weed seed, and inert
material
seed vigor - correct answer ✔✔the potential for rapid emergence of normal seedlings in field conditions
(push or stress the seeds, test will look at too cold/hot for germination)
pathogens and insects - correct answer ✔✔karnal bunt, smut, aflatoxin, granary weevil, and grain borer
if insects eat the seed embryo - correct answer ✔✔you no longer have a plant
Weed seeds (3 classes) - correct answer ✔✔prohibited noxious, restricted noxious, and common
prohibited noxious - correct answer ✔✔really don't want it. very difficult to control, failure to eradicate
results in fines.
restricted noxious - correct answer ✔✔don't want it. Easier to control, very objectionable in fields,
lawns, and gardens
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