Vegetative propagation
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FlashcardsVegetative propagation
Asexual reproduction in plants. Involves production of new plants without fusion of gametes
Methods of artificial propagation
Cutting
Grafting
Layering
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Vegetative propagation
Asexual reproduction in plants. Involves production of new plants without fusion of gametes
Methods of artificial propagation
Cutting
Grafting
Layering
Cuttings
Take a cutting from young shoot at an angle. Placed in water until roots appear . Auxins produced to pass to base of cuttings - stimulate development of root
Grafting
Attaching together cut surfaces of 2 separate plants
Provides faster propagation than cuttings eg roses
Layering
Strong healthy stem of stem is cut. Stem is pegged down under soil . Roots stimulated - shoot grow up - black berries
Micropogration
Grown in lab. Sterile environment - culture medium
Advantages of artificial vegetative propagation
Faster process and more reliable
Vegetative propagation
Offspring genetically identical
Short time
Does not depend on dispersal and pollination
New individuals grow close to parent - increasing competition
Reproduction by seed
Greater variety
Long time
Pollination and dispersal is wasteful
Seed dispersal ensures there is no competition