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Pruning - PowerPoint PPT Presentation

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Pruning. Terms. pruning - removal of parts of the top or root systems of plants fruit spur - stubby, fruit bearing twig. Terms. translocation - movement of water and soluble minerals from one part of the plant to another. Terms. inhibit - prohibit or slow action

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Presentation Transcript
  • pruning - removal of parts of the top or root systems of plants
  • fruit spur - stubby, fruit bearing twig
  • translocation - movement of water and soluble minerals from one part of the plant to another
  • inhibit - prohibit or slow action
  • hormones - chemical compounds produced by plant. Regulate plant functions
  • twig - very small branch of a tree
  • cane - stem of various fruits. Ex: raspberry
  • shoot - small outgrowth on a bush
  • generally has no specific season
  • continuous process
  • serves a purpose for the plant
  • enhances ornamental value
  • generally prune with natural form of the plant, not against it
  • remove diseased, dead, or damaged limbs
  • restrict or promote growth
  • develop certain forms of growth
methods of pruning
Methods of pruning
  • root
  • shoot or stem
stem pruning
Stem pruning
  • reduces amount of growth
  • influences vegetative reproductive balance of the plant
  • reduces plant size, yield, and total amount of growth
stem pruning12
Stem pruning
  • Increases supply of essential elements to the points of growth that remain
stem pruning13
Stem pruning
  • promotes the making of cells and the utilization of carbohydrates
  • stimulates vegetative phase, retards reproductive phase
root pruning
Root pruning
  • affects total amount of growth made
  • reduces amount of available essential elements - causes dwarfing
root pruning15
Root pruning
  • influences vegetative reproductive balance of plant
  • promotes root growth
root pruning16
Root pruning
  • favors reproduction, retards vegetative phase
  • used to prepare plants for transplanting
top pruning
Top Pruning
  • heading back
  • thinning out
heading back
Heading back
  • terminal - top portion is removed
  • stimulates development of more points of growth
heading back19
Heading back
  • induces compact, dense, or branched type of growth
  • removes hormones that inhibit branching
thinning out
Thinning out
  • entire twig, cane, or shoot is removed
  • does not prevent development of lateral buds
  • induces open type of growth
general rules
General rules
  • use correct tools for the job
  • prune back to existing bud or to a side branch
  • never leave a stub!!!!!!!!!!
general rules22
General rules
  • cut larger limbs in three steps
  • draw the illustration on the board silly teacher! :)
general rules23
General Rules
  • pruning in summer results in greater dwarfing than pruning in late winter months
general rules24
General Rules
  • buy and plant trees and shrubs that have the characteristics and shape that you want
pruning tools
Pruning tools
  • thumb and forefinger
  • pinch off shoots
  • pinch off unwanted buds, long stems, and fruit spurs
  • snap off faded blooms or seed pods
  • enable user to stand and cut the edges of lawns
  • also used on ground covers
grass shear
Grass Shear
  • used to cut grass around sidewalks, driveways and planting beds
lopping shears
Lopping Shears
  • use when added leverage is needed
  • used for reaching into trees
  • small branches or twigs
pruning shears
Pruning Shears
  • many types
hedge shears
Hedge Shears
  • hand operated
  • electric or gas powered
pruning saws
Pruning Saws
  • cut quickly
  • useful in overhead work
  • straight or curved
pole pruners saws
Pole Pruners & Saws
  • used to cut or saw branches high overhead
  • telescoping - go up to 18 feet
how and when
How and When
  • Deciduous Shade Trees
  • when - dormant - early spring before leafing out
  • exception - bleeder trees - Mid June
bleeder trees
Bleeder trees
  • Sugar Maple
what to look for
What to look for
  • Central Leader - single leader
  • multiple leaders - narrow crotch angles in time will break
what to look for36
What to Look for
  • scaffold branches
  • crotch angle 45-90 degrees
  • limbs spirally arranged
  • prune off lower limbs 8-10 feet high
what to look for37
What to Look for
  • distance vertically between scaffold branches
  • lowest branch on SW side
  • remove suckers - weak wood
  • remove hangers
what to look for38
What to Look for
  • remove water sprouts
  • remove parts growing in toward center of trees
fruit tree pruning
Fruit Tree Pruning
  • spurs - majority of fruit production is borne on spurs
  • open tree up to let light into spurs
  • spurs bear fruit every other year
  • don’t respond well to pruning
  • broadleaf - like deciduous flowering shrubs
  • needle types - pines, spruce, fir, juniper, yews, respond better
  • spruce or fir - single needle prune back to 1/4 inch above axillary bud
junipers yews
Junipers & Yews
  • awl shaped needles
  • prune spring to mid summer
  • when temperature is above freezing
  • candle growth - new growth from tip of branches, milky green color
  • remove 1/3 to 1/2 of candle growth in the spring
deciduous shrubs
Deciduous shrubs
  • spring flowering - lilac, honeysuckle
  • set flower buds during previous year
  • prune after flowering
summer flowering
Summer flowering
  • roses, hydrangia
  • set flower buds same year that they flower in spring
  • prune before bud set
deciduous shrubs46
Deciduous shrubs
  • avoid August and September pruning for all deciduous material