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Transcript
Answer p. 1819 of the
activity book
(Act. 5.1)
+
* Give 2 examples of Natural Vegetative Reproduction
* Give 1 reason why Natural Vegetative Reproduction
is important
Day 1
+ Vegetative Regeneration
Asexual
reproduction
 Can
be Natural or Artificial using parts of
the plant for reproduction aside from the
flowers
 Natural-occurs in nature and plants do
this on their own
 Artificial-man made way of reproducing
plants using plant parts
 Flowering plants also reproduce sexually
 Two parent plants are needed
Day 1
+
ADVANTAGES
 Help
conserve or
increase the
population of rare or
endangered plants
 Better
crops in a
shorter time period
 Requires
attention
less care and
DISADVANTAGES
 Risk
of total
destruction of an entire
crop of plants as the
plants produced are
prone to the same
disease
 Competition
for
nutrients and
overcrowding due to
fat growth
+
Use a learning aid: TABLE
Natural Vegetative Regeneration
description
examples
Underground stems
suckers
leaves
Artificial Vegetative Regeneration
description
Cutting
Grafting
Budding
Air layering
examples
+
Asexual
Reproduction
in Plants
Natural Vegetative
Reproduction
+ Natural Vegetative Regeneration
UNDERGROUND STEMS
 Stems
which grow
underground
 Potato, ginger, onion
+ Natural Vegetative Regeneration
SUCKERS
 Part
of the stem that
shoots upright
 Banana, pineapple
and heliconia (birds
of paradise)
+ Natural Vegetative Regeneration
Leaves

Usually those which are
thick and fleshy

Small leaves form
alongside the leaves.

The small leaves develop
roots

These small leaves and
roots fall off to the ground
and may develop into new
plants.

Begonia and bryophyllum
+
Asexual
Reproduction
in Plants
Artificial
Vegetative
Reproduction
+ Artificial Vegetative Regeneration
CUTTING
 Plant
part is cut,
transplanted to the
soil so it can grow into
a new plant
 STEMS
 Used in most garden
plants with woody stems
 Conditions: leaves are
removed, soil must be
moist and sun is kept away
 Hibiscus, chrysanthemum,
basil, rosemary, geranium
+ Artificial Vegetative Regeneration
CUTTING
 Plant
part is cut,
transplanted to the
soil so it can grow into
a new plant
 ROOTS
 Plants with woody stems
 Conditions: roots is
transplanted just below
the soil
 Roses, jade plant, japanese
angelica tree, blue passion
flower
+ Artificial Vegetative Regeneration
CUTTING
 Plant
part is cut,
transplanted to the soil
so it can grow into a
new plant
 LEAVES



One new plant from leaf
base; others can be multiple
plants in a leaf base
Conditions: base of the leaf
is planted in moist soil then
leaves will start growing
from the base
African violet, sansevieria,
snake plant, peperomia
+ Artificial Vegetative Regeneration
GRAFTING

Growing one part of a plant
in another part of a plant

A stem with a leaf bud is cut
from a parent tree (GRAFT)

Another plant is selected for
its root system (STOCK)

Graft is inserted to the stock
and bounded but kept moist
and away from the sun

Method used for fruit trees
such as apples, avocado and
guava
+ Artificial Vegetative Regeneration
BUDDING
 Bud
is inserted to a
stock plant
 The
bud is tied and
when bud grows into
a shoot, the part
above the shoot is cut
 Fruit
trees and leafy
trees such as peach
and orange trees
+ Artificial Vegetative Regeneration
AIR LAYERING

Bark of branch is stripped;
this wound is covered with
soil

The wound develops roots
and is transplanted to soil.

This will eventually develop
into a new plant

Method used for plants that
take a long time to develop
roots such as fruit, woody or
indoor plants

Lychee and pomegranate
+
What is the
significance of the
knowledge of
vegetative
regeneration to
our country and to us
as individuals?
+
Sources






http://www.hort.purdue.edu/ext/senior/vegeta
bl/onion2.htm

learn-something-new.blogspot.com

http://www.io.com/~hcexres/cgibin/color0.cgi?frameset=on&noter=../textbook/
instrxx4a.html&viewer=../textbook/instrxx4b.ht
ml
http://www.flushedwithrosycolour.com/wpcontent/uploads/2010/02/basil-roots-inwater.jpg

http://www.kaskus.us/showthread.php?t=12713
19&page=25
http://www.marketmanila.com/archives/youngginger

http://extension.missouri.edu/publications/Dis
playPub.aspx?P=mg3

http://www.telegraph.co.uk/gardening/3323469
/Perfect-for-your-house-plants-great-andsmall.html

http://michaeljosephdacanay.blogspot.com/

merinews.com

irishviews.com
http://schools-wikipedia.org/wp/b/Banana.htm
http://findmeacure.com/wpcontent/uploads/2009/03/bryophyllum_pinnatu
m01.jpg
http://grow.arsinformatica.ca/gallery.php?img=1&en=218