R2104 3.1 Role of Vegetative Reproduction in Plant Prop Flashcards Preview

RHS Level 2 RS > R2104 3.1 Role of Vegetative Reproduction in Plant Prop > Flashcards

Flashcards in R2104 3.1 Role of Vegetative Reproduction in Plant Prop Deck (5)
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1
Q

What is meant by “vegetative reproduction”?

A

From of asexual reproduction which entails growing a new plant from part of an existing plant. New plant has same characteristics as parent plant and is a clone (genetically identical material)

2
Q

Benefit to plant of asexual reproduction?

A

Fertilisation is unnecessary

3
Q

Benefit to gardeners of vegetative propagation?

A

Retains characteristic of parent plant
Quicker to reach maturity
Avoids seed dormancy problems.
Some cultivars can only be reproduced by vegetative means

4
Q

Limitations of propagating by vegetative means

A
Limited availability of material
Lack of variation 
Transmission of disease 
Different propagation requirements and skills 
Need stable clones that won't revert
5
Q

Types of naturally and artificially occurring vegetative reproduction

A

Bulbs - compacted stem Narcissus
Corms - swollen stem - crocus vernus crocosmia masonorium
Stolons - stems growing horizontally close to ground and puts down roots from nodes (also called runners) ranunculus repens
Rhizomes - stems grow under surface of soil and develop roots and shoots at nodes - Aegopodium podagraria
Stem tubers - solanum tuberosum
Root tubers - Dahlia
Division - Rhus typhina Alchemilla mollis Hosta
Layering - Ficus elastica Cotinus Clematis Montana
Cuttings - leaf, leaf bud, root

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