Difference between revisions of "AY Honors/Wattles/Answer Key/es"
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Revision as of 20:47, 10 April 2021
Nivel de destreza
1
Año
2001
Version
26.11.2024
Autoridad de aprobación
Asociación General
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Before an acacia seed can germinate, the seed coat must be cracked. This can happen by any of several methods, but fire is the most common. People who grow wattles can crack the seed coats themselves using a three-cornered file. Seed coats can also be cracked by being run over by heavy machinery during construction projects, or by other physical stresses.
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The phyllodes of the Acacia cyanophylla (Blue Leaf Wattle) have been used to feed sheep during times of drought.
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The bark of various Australian species, known as wattles, is very rich in tannin and forms an important article of export; important species include Acacia pycnantha (Golden Wattle), Acacia decurrens (Tan Wattle), Acacia dealbata (Silver Wattle) and Acacia mearnsii (Black Wattle).
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Most acacia species are used for valuable timber; such are Acacia melanoxylon (Blackwood) from Australia, which attains a great size; its wood is used for furniture, and takes a high polish; and Acacia omalophylla (Myall Wood, also Australian), which yields a fragrant timber, used for ornamental purposes.
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Food uses
Acacia seeds are often used for food and a variety of other products.
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20 o más fotografías de cerca que haya tomado de acacias mostrando los detalles arriba mencionados.
The best approach to this requirement is to go out into the field and find some wattles - then identify them. There are numerous books and CDRoms available for purchase that will help in identifying the various species. There are also a few dichotomous keys online, such as this one which are free (though not necessarily easy to use).
