CH Pruning and Plant Training 2

Question 1

Which type of pruning saw is most appropriate for removing branches 1–3 inches in diameter in tight spaces?

Accepted Answer

Curved blade folding pruning saw

Answer

A curved-blade folding pruning saw cuts on the pull stroke, fits into confined canopy spaces, and is sized for branches up to about 3 inches.

Question 2

Lion-tailing, an improper pruning practice, refers to:

Accepted Answer

Over-thinning interior branches so foliage only remains at branch tips

Answer

Lion-tailing strips interior foliage leaving tufts only at branch ends, which reduces photosynthetic area, increases wind-sail leverage, and leads to branch failure.

Question 3

For roses, what is the correct pruning angle and direction to promote healthy new cane growth?

Accepted Answer

45-degree angle cut sloping away from an outward-facing bud

Answer

A 45-degree angled cut sloping away from an outward-facing bud sheds water away from the bud eye and directs new cane growth outward for an open, vase-shaped habit.

Question 4

Pleaching is a tree-training technique that results in:

Accepted Answer

Interwoven branches forming a hedge on stilts or overhead canopy

Answer

Pleaching weaves or ties together branches of adjacent trees to form a living fence, overhead canopy, or 'hedge on legs' for formal garden structures.

Question 5

Which ANSI standard provides guidelines for tree pruning practices used by professional arborists and horticulturists in the US?

Accepted Answer

ANSI A300

Answer

ANSI A300 is the industry standard for tree care operations, including pruning specifications, while ANSI Z133 covers safety requirements for arboricultural operations.

CH - Certified Horticulturist Practice Test

CH - Certified Horticulturist Practice Test

CH Pruning and Plant Training 2