PSS 010 Exam 2 Study Questions & Answers 2024/2025
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Module
PSS 010
Institution
PSS 010
PSS 010 Exam 2 Study Questions & Answers 2024/2025
pedicel - ANSWERSstalk supporting a flower
receptacle - ANSWERSportion of a compound flower where numerous flowers "sit"
sepals - ANSWERSLeaflike parts that cover and protect the flower bud
petals - ANSWERSused to attract pollinators
...
perfect flowers - ANSWERShas all reproductive parts
,imperfect flowers - ANSWERSmissing a reproductive part (ex. missing either pistil (female) or stamen
(male) parts)
monoecious - ANSWERSone plants but male and female flowers separate
ex. corn
dioecious - ANSWERSmale plants separate from female plants
ex. ginkgo tree
pollination - ANSWERSinsects, especially honeybees and solitary bees, are vital to producing horticultural
crops as opposed to agronomic crops which are mostly wind pollinated
Fertilization - ANSWERSegg fertilized by pollen develops into the seed. This causes the fruit around the
seed to develop and swell out
what is the world's largest single flower and what pollinates it? - ANSWERSRafflesia arnoldi from
Sumatra. Pollinated by flies
Why grow sweet corn in a block instead of in a row? - ANSWERSCorn is a monoecious monocot and is
wind pollinated so it needs to be in a block to be properly pollinated
Plastic vs. Clay containers - ANSWERSPlastic - is best; easy to clean and re-use; durable
Clay - heavy; breakable; salts build-up; glaze holds out moisture
Cedar wood vs. treated - ANSWERScopper hydroxide, creosote, arsenic, chromium)
Peat/wood fiber pots - ANSWERSBiodegradable
, completely bury them in the soil
They typically need added nitrogen fertilizer since they are high in carbon material
Organic potting media components - ANSWERSpeat, bark, sphagnum moss, coir, compost, once living
Inorganic potting media components - ANSWERSsand, perlite, vermiculite
Where does peat come from? - ANSWERSPeat bogs (Canada)
Peat is a very slowly-renewable resource
Coir - ANSWERScoconut fiber as a peat replacement. Quickly renewable resource
When best to collect seed? - ANSWERSmost seeds should be collected on a sunny, dry day, in mid-day
after the morning dew has dried up
How to collect seeds - ANSWERSseeds can be collected in paper envelopes or brown paper bags (NEVER
plastic as it holds moisture)
How to treat seeds after collecting - ANSWERS- capsules that split open should have a bag placed over
them several days before they split so that seeds are not lost
- If seed is enclosed in a fruit, you must remove the fruit first. It contains germination inhibitors
- Fruit that has already dried and is stuck to the seed can be soaked in warm, water to soften and then
strained and the seed removed by hand
How to store seeds? - ANSWERS- Cool (refrigerate for long-term storage; consistent temperature)
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