Pruning Flashcards
What is the terminal bud?
Origin point of growth
What is a node?
Where leaf attaches to shoot
What is a lateral bud?
Growth potential (usually 1-3 at node)
What is the annual growth marker called?
Bud scale scar
What is it called when the terminal bud directs growth via auxin?
Apical dominance
What is auxin?
Hormone traveling down shoot from terminal bud and inhibits lateral shoot growth
What are water sprouts?
When apical dominance loses its effect and you have upright shoots on lateral branches
More severe pruning results in ____
More vigorous regrowth
What is it called to remove the terminal portion of a shoot?
Heading
What is it called to remove the entire shoot/ limb to origin?
Thinning
What is drop-crotching?
Removing main branch of tree by cutting to nearest large lateral & reduce overall tree height
What is a bench cut?
Removal of apical shoot to horizontal branch (causes water sprouts which is bad)
What is bark inclusion?
Compression of wood in narrow crotch, weakens branch and ice and cause splitting
What is the exterior coating of a tree?
Bark
What is the cambium?
Thin layer between bark and wood (where healing starts) includes bark ridge & collar
What is the junction of two limbs called?
Bark ridge
What is the collar tissue?
Ring around branch collar
Where should you prune limbs for best healing?
Close to ridge and collar (don’t cut into it)
Are wound dressings or pruning paint effective?
No. Just for cosmetic purposes
When should you prune flowering plants?
After flowers to avoid damaging next buds
When should you prune non-flowering plants?
In winter while dormant