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Transcript
1
1. To identify factors to consider when growing
aquatic plants.
2. To examine the propagation process of
aquatic plants.
3. To differentiate between submerged,
emerged and floating plants.
2
• Provide the following to aquatic animals:
– food
– habitat
– protection from predators
– nutrient cycling
– erosion control
3
• Is the farming of marine organisms in their natural
habitat
• Combines aquatic plants and animals in salt water
• Is a sub-group of aquaculture
4
• Is the multiplying of organisms through
natural reproduction
• Stimulates health and variety among plants
5
• Requires a part of the plant to be used in propagation;
asexual reproduction
– stem-cutting is a common form of vegetative
propagation
• Is the most popular and easiest method of
propagation
Asexual Reproduction – involves only one parent; is the reproduction of
offspring from parts other than reproductive organs
6
• Occurs when a new plant is grown from
a seed produced by the parent plant
• Is the traditional means of propagation
7
• Form in a plant’s ovule through sexual
reproduction
• Growth requires the following three elements:
– light
– water
– warmth
• Are placed in grow-out operations in order to
obtain these elements and successfully
mature
8
• Include the following:
– seed flats and pots
– greenhouse
– grow-out pond
9
• Are shallow trays of soil in which the seeds have been
planted
• Are placed in the greenhouse to allow seedlings to
mature
• Are only used while the seedlings are first maturing,
then the plants are transferred to larger pots
10
• Stores the seed flats for a short period of time
• Allows for more control over the growing
condition of the seedlings
• Permits year-long growth
11
• House plants and allow them to obtain the
desired maturity or size
• Consider the following conditions:
– soil type
– availability of quality water source
– proximity to other farms
– elevation
12
• May be divided into the following three
categories:
– floating
– emerged
– submerged
13
• Float on the water’s surface
• Possess root systems which hang to the bottom of the
pond
• Provide aquatic animals with shelter
• Absorb nutrients from the water
• Include the following:
– azolla
– primrose creepers
– arrowhead
14
• Is also known as duckweed fern,
mosquito fern and fairy moss
• Reproduces quickly and has been
known to cover entire bodies of
water
• Converts nitrogen into compounds
usable by plants, such as nitrate
and nitrogen oxide
15
• Are suited for larger ponds
• Have a tendency to overtake the water’s
surface
• Possess bright yellow flowers on the
end of stems
16
• Are identifiable by the large, broad
leaves found floating on the water
• Create small white flowers which
may have a purple tint
• Possess edible tubers on ends
called duck potatoes
17
• Rise above the surface of the water
• Allow photosynthesis to occur more
readily
• Include the following:
– common reed
– flowering rush
– wild rice
18
• Is a large perennial grass
• Is native to wetland sites in temperate
and tropic areas
19
• Is also known as grass rush
• May be weedy or invasive
• Possess pink or white flowers
20
• Grow in shallow waters
• Native to North America are:
– wild rice
– northern wild rice
– Texas wild rice
21
• Are found completely submersed under water
and rooted to the ground
• Receive low levels of sunlight
• Include the following:
– coontail
– elodea
– potamogeton
22
• Is often found in ponds, marshes and
slow running streams
• Possesses hard, brittle forked leaves
• Contains no roots, though leaves do
emerge which anchor it to the ground
23
• Is also known as water weed
• Provides habitat and cover for many fish
• Is eaten by animals such as ducks and
muskrats
24
• Is more commonly known as pondweed
• Produces leaves which are typically thin
and translucent due to being submerged
• Leaves are often whorled (opposite)
25
1. What three elements are needed in
order for seeds to grow?
2. What are the three categories of
aquatic plants?
26
3. What is the most popular and easiest
propagation method?
4. Which plant possesses large tubers on
their end called duck potatoes?
27
5. Mariculture is a sub-group of agriculture.
a. true
b. false
6. Wild rice is an example of an emerged plant.
a. true
b. false
28
7. Vegetative propagation requires sexual
reproduction.
a. true
b. false
8. Primrose creepers are also known as
duckweed fern.
a. true
b. false
29
9. Submerged plants receive low levels of
sunlight.
a. true
b. false
10. Coontail possesses hard, brittle forked
leaves.
a. true
b. false
• Plant Management in Florida Waters
plants.ifas.ufl.edu
• Establishing an Ornamental Aquatic Plant Culture
Facility
www.ca.uky.edu
• Canadian Water Gardener
www.canadianwatergardener.com
• Aquatic Plant Propagation
www.colowatergardensociety.org
31
• Mariculture
www.waterencyclopedia.com
• Strategies for Pond Management
www.txfb.org
• Propagating Aquarium Plants
www.aquaticcommunity.com
32
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