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Urban Forestry
final Exam
| Question | Answer |
|---|---|
| Fall Colours Occur where? | They occur in NW Europe,NE North America,Extreme South america,Northeast China and Japan |
| Visible _____ reflected by ________ in the Leaves. What is this defining? | Visible light reflected by pigments in the Leaves. This is why there are Fall Colours. |
| Nmae The 4 Pigments | Chlorophyll,Carotenoids,Anthocyanins,Tanins |
| Chlorophyll - Where is chlorophyll found? Part of cell that ________ photosynthesis and gives foliage _____ colour. | Chlorophyll - is found in chloroplasts. Part of cell that produces photosynthesis and gives foliage green colour. |
| Carotenoids- ______ and ______ in foliage. Located in ___________ and assist chlorophyll in photosynthesis process. | Carotenoids- yellow and oranges in foliage. Located in chloroplasts and assist chlorophyll in photosynthesis process. |
| The result in foliage appearing from red to purple. what pigment is this refering too? | This is refering too Anthocyanins |
| Taxins-_____ colour in foliage | Taxins-Brown colour in foliage |
| What are the two groth patterns to consider? | The two growth patterns are; Excurrent and Decurrent |
| Conifers,Single dominante leader and well structured. What growth pattern is this refering to? | Excurrent |
| Decidous Trees, Broad crown dominant leader, poor structure requires regular pruning. What growth pattern is this refering too? | Decurrnet |
| Maximum of _/_ to _/_ of the ____ crown may be pruned at one time. | Maximum of 1/4 to 1/3 of the live crown may be pruned at one time. |
| ________ Gravitropism (roots)- drow in direction of _______. | Positive Gravitropism (roots)- drow in direction of gravity. |
| ________ gravitropism(_____)-grows against gravity. | negative gravitropism(stems)-grows against gravity. |
| Tension wood (________ trees) reacts to leans by _______ themselves up by adding additional wood on the tension side. | Tension wood (decidous trees) reacts to leans by pulling themselves up by adding additional wood on the tension side. |
| Compression wood ( __________ trees) Used to ____ up weight on the compression side of the lean, also seen on the dunerside of limb. | Compression wood ( __________ trees) Used to ____ up weight on the compression side of the lean, also seen on the dunerside of limb. |
| Wall 1- Stops ________ spread of injury | Wall 1- Stops vertical spread of injury |
| Wall 2- Stops ______ spread of injury | Wall 2- Stops inward spread of injury |
| Wall 3-Stops __________/_____________ spread | Wall 3-Stops horizontal/circumference spread |
| wall 4- Prevents _______ spread.Creates a barrier. | wall 4- Prevents _______ spread.Creates a barrier. |
Created by:
cplester
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