Propagation To increase the number of plants, reproducing plants Sexual Propagation Propagation with...
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![Page 1: Propagation To increase the number of plants, reproducing plants Sexual Propagation Propagation with seed Asexual Propagation Propagation without seed.](https://reader031.fdocuments.net/reader031/viewer/2022020711/56649ef65503460f94c09d8f/html5/thumbnails/1.jpg)
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Propagation
To increase the number of plants, reproducing plants
Sexual Propagation
Propagation with seed
Asexual Propagation
Propagation without seed
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![Page 4: Propagation To increase the number of plants, reproducing plants Sexual Propagation Propagation with seed Asexual Propagation Propagation without seed.](https://reader031.fdocuments.net/reader031/viewer/2022020711/56649ef65503460f94c09d8f/html5/thumbnails/4.jpg)
Fast way to get many plants
Easy to do
Economical
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Some plants do not reproduce true to parents.
Some plants are difficult to propagate from seeds.
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Direct Sow - Seeds are sown directly in container in which they
are grown
Indirect Sow – Seeds are sown in one container and transplanted to another after their true leaves
appear.
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Monocot – Produce one seed leaf.
Example: Corn
Dicot – Produce two seed leaves.
Example: Bean
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Mature Seed – Stage where a seed can be removed from the plant without hurting its
germination.
Viable Seed – Seeds that are live and will germinate.
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Seed Coat – Outside covering of the seed which
protects the embryonic plant.
Cotyledon – The first leaves to appear on a plant; seed
leaves
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Embryo – The new plant that is developed as a result of
fertilization (the seed).
Endosperm – Food storage tissue which nourishes the
embryonic plant during germination.
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Epicotyl – The stem located above the cotyledons of a
seedling.
Hypocotyl – The stem tissue located between the seedling
root and the cotyledons.
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Radicle – The primary seedling root. (turns into the
primary root)
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Scarification – Scratching, chipping, or nicking of the
seed coat of certain seeds to promote germination.
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Stratification – Exposing seeds to cool temperatures,
35-50F, for a period of time to break dormancy.
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Planting seeds
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When the young plant breaks the soil surface.
Germination Rate - % of seeds that germinate
EX: 75 out of 100 = 75%
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Plant 500 seeds, 350 germinate, what is the germination rate?Answer: 350/500 = 70%
If you have a 75% germination rate and plant 240 seeds how many will germinate?Answer: 240/x = 75% so 240 * .75 = 180
You have 679 seeds germinate with a germination rate of 85% how many seeds did you plant?Answer: x * .85 = 679 so 679/.85 = 798.82 = 799
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The Order of seed germination
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Seedlings – Young plants which have germinated for
several days.
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Seed Leaves – 1st set of leaves to appear, usually
rounded or oval.
True Leaves – 2nd set of leaves to appear, usually look
like plant’s adult leaves.
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Transplant when the first true leaves appear.
Harden off – Reduction of water, humidity, and
temperature to prepare for transplanting.