Transcript Slide 1
What do these have in common?
Corn
Barley
Bulgur wheat
Oats
Popcorn
Rice
Rye
Wheat
Wild rice
Durum wheat
Semolina wheat
Sorghum
Spelt
Teff
Triticale
Fonio
Kamut
Millet
Grasses
• Have been grown as food for domesticated
animals for up to 6,000 years.
• Have been used for paper-making since 2400
BC or before.
• Provide the majority of food crops, and have
many other uses, such as feeding animals, and
for lawns.
• There are many minor uses (e.g., bamboo is a
grass, so all bamboo products fit here).
• Grasses are familiar to most human cultures.
Grasses
Became widespread in the late Cretaceous
But how do we know?
Coprolite
Coprolites
Grasses
• have several main roots of the same size.
• leaves make a big part of grass plants,,
• most grasses have short stems covered
by leaf bases..
• grasses are efficient in photosynthesis
Grasses and…
• How are they alike and different?
Grasses and…
• How are they alike and different?
Grasses and…
• How are they alike and different?
Grasses and…
• How are they alike and different?
Or, for the botanists…
Image from:
http://www.lsuagcenter.com/en/crops_livestock/crops/rice/weed+control/parts+of+grass+spikelet.htm
http://en.wikipedia.org/wiki/Poaceae
Grass Family (family: Poaceae)
http://www.getting-started-with-healthy-eating.com/list-of-grains.html
Barley
Bulgur wheat
Corn
Durum wheat
Fonio
Kamut
Millet
Oats
Popcorn
Rice
Rye
Semolina wheat
Sorghum
Spelt
Teff
Triticale
Wheat
Wild rice
Gluten-Containing Grains
• Barley
Bulgur wheat
Durum wheat
Kamut
Oats (may contain a gluten analogue;
usually contaminated by gluten in
processing)
Semolina wheat
Spelt
Triticale
Wheat
Non-Grain Foods In The Grass Family
• These foods come from other parts of
Grass Family plants.
Bamboo shoots
Barleygrass
Lemongrass (citronella)
Molasses
Rapadura
Sugarcane
Wheatgrass
How do seeds start to grow?
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•
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Dried beans
Soaked beans
Bromothymol Blue
Aquarium air pump (optional)
Grass Heads
•
http://www.yates.com.au/child/how-to/school-holidayproject-growing-grass-heads/
•
http://familyfun.go.com/crafts/grass-head-guys-673724/