Codit

Question 1

Wall 1

Answer 1

Vertical barrier within the stem or branch. Blocks passage through the xylem.

Question 2

Wall 2

Answer 2

Stops movement of infection through lignin. It does this by using the cells formed the last annual growth rings of the tree.

Question 3

Wall 3

Answer 3

The remaining cells move outwards and divide the stem into segments called radial parenchyma. These are thick and made up of lots of cells tightly packed together. It stops spread of decay through a complex system of cells that differ in size and thickness.

Question 4

Wall 4

Answer 4

Entirely new layer made up by the cambium to close the wound entirely. Stops anything entering from outside.

Question 5

What is codit?

Answer 5

Analyses the way in which trees respond to infection from bacteria and fungi. Discovered by Alex Shigo.

Question 6

How large should a cut be?

Answer 6

Not exceed one third of parent branch or stem.

Question 7

How should you cut a branch?

Answer 7

Step cut with underside cut done first. This will reduce the chance of tearing down the stem.
The second cut on top should go from branch bark ridge to the branch collar.