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SC 101
Chapter 4
30
Biology
Not Applicable
10/10/2012

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Term
Primary growth
Definition
excurrent branching (spire-like)
deliquescent branching (spreading)
Term
secondary growth
Definition
growth in width
Term
young bark
Definition
epidermis and cortex
Term
old bark
Definition
cork
Term
phloem
Definition
sieve tubes
sieve plates
companion cell
Term
wood (xylem)
Definition
cellulose and lignin
tracheids
vessels
Term
wood (xylem)
Definition
cellulose and lignin
tracheids
vessels
Term
tracheids
Definition
tappered ends
Term
vessels
Definition
broadleaf only
Term
types of wood
Definition
pith
heartwood
sapwood
Term
pith
Definition
water storage
Term
heartwood
Definition
darker color, not functioning
Term
sapwood
Definition
lighter color, functioning
Term
spring
Definition
light and larger rings
Term
summer
Definition
dark and smaller
Term
asexual reproduction
Definition
reproduction without fertilization
Term
vegetative reproduction
Definition
new plant grows from stem, root, or leaf
Term
vegetative propogation
Definition
person uses vegetative reproduction
Term
adventitious roots
Definition
roots which sprout from the bottom of a cut stem, roots that grow from an unexpected region of the plant, such as from a stem or leaf
Term
cutting
Definition
piece stem or root which is capable of growing in to a new plant
Term
layering
Definition
takes advantage of the fact that certain plants will sprout adventitious roots, and it provides the same advantages as the use of cuttings
Term
grafting
Definition
process of transplanting living tissue from one plant to another
Term
stock
Definition
receives graft
Term
scion
Definition
piece to be grafted
Term
budding
Definition
scion is a bud
Term
tissue culturing
Definition
plant cells seperated and used to grow new plants
Term
rhizomes
Definition
horizontal underground plant stem
Term
stolon
Definition
horizontal above ground plant stem
Term
tendrils
Definition
stem contacts a surface such as a fence or wall
Term
tubers
Definition
thought to be a root, but are not
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