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October 27, 2008

Colors and Callus

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This tree was behind my apartment building. It has a distinct change in colors from yellows and oranges on the southside and more green colors on the northside.

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This tree was also found near my apartment. It looks as if the tree is reacting to having branches cut off or some other kind of damage to the tree.

Leaf colors and Tree calluses

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what: I believe it's an oak tree

where: on the way to St. Paul on Selby Ave. taken a few weeks ago when I was on a photo assignment

So- The plastid colors which are yellow, are where the tree has more shade. The parts of the tree that are exposed to more sunlight are where the red leaves appear because they are producing more anthocyanin.

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What- Tree Callus

Where- Parking lot in back of house

This tree appears to have suffered a wound and could have been caused by people removing the branch. You can see the calluses and growth that occurred because of this wound.

October 26, 2008

Leaf colors and Tree calluses

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Where: Maple Grove Arboretum
What: Red Oak leaves
So: This photograph shows a Red Oak tree which has some leaves that are mostly red, some which are red and green, and some leaves which are mostly green. The red leaves, rich with anthocyanin, are faced toward the area of the tree which gets the most sunlight, while the more green leaves are the ones which reside in more shade. Those green leaves get less sunlight, and therefore, have worse conditions to create the vibrant red color which you can see in some of the leaves.

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Where: Maple Grove Arboretum
What: Sentry Linden tree
So: This tree appears to have suffered a wound as shown in the picture. This could have been caused by people or animals, but you can see the calluses and growth that occurred because of this wound.

Colour and Callus

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Striking Sugar Maple with anthocyanin-rich leaves toward the sunnier, outer part of the canopy. The inner leaves receive less sunlight and produce fewer red pigments.
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Graft of ash tree. Both trees in South Saint Paul.

October 20, 2008

Leaf Variegation

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Found on Washington Ave. and Huron Ave.

L-III mutation

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Found outside Kowloon Chinese Restaurant - good food.

L-II mutation

Plant Variegation

Both of these plants were found in the Soil Science building and I believe they are both L-II mutations.

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October 19, 2008

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Where: Como Conservatory
What:Satin Pothos Araceae
So: There are white spots on various places on the leaves, scattered both on the sides and middle of the leaves. There is also a white lining around the edges of the leaves. The white edges signify an LI mutations, and I believe that the white spots are an LIII mutation.

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Where: Como Conservatory
What: Rex Bogonia
So: As you can see, the red color in the plant exists on the edges as well as in the middle near the center of the leaves. This signifies LI and LIII mutations.

Leaf Variegation

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Hosta found in a nearby garden displaying GGW or GWW variegation. I chose this specimen because it had white displayed on the interior (LIII) of the leaf.
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Dogwood close to home with GWG variegation. I chose this shrub because it had LII mutation.

October 13, 2008

Mitosis

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What: This is my demonstration of Mitosis in a 2n=2 plant
Where: In the office where I work
What: I used yarn, paper clips, colored paper, and twerps candies

October 12, 2008

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Mitosis with pasta at home.
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