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PSS 010 Exam 2 Study Questions & Answers 2024/2025

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  • 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 ...

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  • August 14, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PSS 010
  • PSS 010
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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



corolla - ANSWERSfused petals like a petunia flower



stamens - ANSWERSmale parts

- anther (where the pollen is found)

- filament (stalk)



pistil - ANSWERSfemale parts

- stigma (sticky disk that catches the pollen)

- style (stalk the pollen travels down)

- ovary containing an ovule (egg) develops into the fruit around the seed



complete flowers - ANSWERShas everything



incomplete flowers - ANSWERSmissing something (ex. missing sepals)



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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