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Botany Unit 6

Enhanced Improve the quality of production
Come true to seed Offspring looks just like parent
Egg Female sex cell
Flat Wooden box with slotted bottom used to start seedlings
Seed Coat Outer covering of the seed
Tissue Culture New method for rapidly reproducing plants using terminal bud tissue
Hybrid Offspring of 2 different varieties of 1 plant that possess certain characteristics of each plant
Seedling Young plant that has been germinated for several days
Pollen Male sex cell in plants
Hardening off Gradually making growing conditions tougher
Cotyledons First leaves to appear on a plant; seed leaf
Embryo New plant that develops after germination
Propagation To increase in number
Endosperm The food supply for the young developing seedling
Peat moss Partially decomposed vegetation that as been under water
Sphagnum Material formed from decaying plants
Jiffy mix Composed of equal parts of shredded sphagnum moss, peat, fine grade vermiculite and enough nutrients to sustain initial plant growth
Vermiculite Light mineral with a neutral pH used to increase the moisture holding capacity of media
Sand More porous than soil
Soil Should be loam composed
Perlite Grey white material of volcanic origin used to improve aeration of the media
Direct seeding Planting seeds in a permanent growing site
Why do we harden off plants? To prepare plants for transplanting
How do you harden off plants? Gradually subject plants to more difficult growing conditions by withholding water and decreasing temperature
Indirect seeding Seeds are sown in a place separate from where the plants will eventually grow to maturity
Conditions necessary for germination Temperature of no less than 65 degrees, humidity, light
Two enhancement (primed) treatments Soak
Most common way plants propagate by seeds
What conditions are needed for proper propagation? Right temp., light, medium, and moisture
Scarification In intentional damage or removal of the seed coat
Stratification Process of pretreating seeds to simulate natural conditions that a seed must endure before germination
Heat treatment Seeds exposed to high heat for a very brief moment
Chemical treatment Seed is immersed in sulphuric acid for a few minutes to break dormancy
Special Treatment Alternate wetting and drying of seed
Flash burn
Parts of a seed Embryo, food supply - Endospern, Oc
Purpose of seed coat Protects embryonic plant
Purpose of endosperm Food storage tissue that nourishes the embryonic plant during germination
Process of germination Seed absorbs water, seeds protein activated, radical (root) emerges, plumule or embryonic shoot emerges, leaf forms and food production begins
Created by: sudokken