Urban Forest Hurricane Recovery Program http://treesandhurricanes.ifas.ufl.edu
Slide 2Selecting Quality Trees from the Nursery Dr. Edward F. Gilman and Traci Partin
Slide 3Poor versus great quality
Slide 4Advantages to choosing quality trees Higher survival post-planting Greater life span in the scene Reduces timeframe required for foundation Reduces probability of disappointment from auxiliary imperfections amid a typhoon
Slide 5Important contemplations for choice Production technique Maximum size at planting Root ball measurements Root neckline area Root abandons Root ball: caliper: stature relationship Trunk and branch structure Other
Slide 6Tree creation strategies Balled in burlap (B&B) - root pruned preceding transplanting - not root pruned Container - over the ground - pot in pot - texture Bare root
Slide 7Choose among tree generation techniques in view of weight and staking capacities * B&B = Balled-in-burlap
Slide 8Tree survival in the scene can rely on upon the creation strategy and water system hones in the wake of planting * B&B = Balled-in-burlap
Slide 9Tree survival in the scene can rely on upon the generation technique and water system rehearses subsequent to planting * B&B = Balled-in-burlap
Slide 10Here is the synopsis story Under restricted water system: Root pruned, solidified off B&B – last beyond words – in the center Recently burrowed B&B – first incredible proper, escalated water system: It doesn't seem to make a difference
Slide 11Oak not root pruned
Slide 12Root pruned last generation year just
Slide 13Root pruned a year ago and year before
Slide 14One year in the wake of transplanting Not root pruned Root pruned last generation year Root pruned last 2 creation years
Slide 15Conclusions about root pruning Root pruning amid creation gives an item that: 1) is somewhat littler 2) has a denser, more stringy root framework 3) has a more uniform root framework 4) transplants all the more effectively Note: Not all species require root pruning. Some have a thick stringy root framework without root pruning.
Slide 16Important contemplations for determination Production strategy Maximum size at planting Root ball measurements Root neckline area Root abandons Root ball: caliper: tallness relationship Trunk and branch structure Other
Slide 17Selecting the correct tree estimate Irrigation capacities: When water system is constrained… Site seepage: If waste is poor… Weed control and mulch administration: If weeds are not controlled and contend with tree for water… … then select little nursery stock, for example, 1.5 to 3 inch caliper trees.
Slide 18Tree estimate impacts tree foundation rate
Slide 19Tree measure impacts tree foundation rate Percent caliper, tallness, and spread increment amongst May and October 2005 for live oak transplanted from #15 and #45 compartments to the field. ________________________________________________ Container % caliper % height % spread Size increase increment - - - - - #15 (1" caliper) 60.4a 36.5a 55.8a1 #45 (2.5" caliper) 14.8b 9.1 36.4b ________________________________________________
Slide 20Conclusions about tree measure Smaller trees take less time and water to set up. Survival of littler nursery stock is more noteworthy if water system abilities are constrained. Development rate of little trees is altogether more prominent than when similar species is planted at a bigger size. Unless a lot of water can be provided, it is ideal to plant littler trees.
Slide 21Important contemplations for determination Production strategy Maximum size at planting Root ball measurements Root neckline area Root absconds Root ball: caliper: tallness relationship Trunk and branch structure Other
Slide 22Root ball measurements Root bundles of any shape perform similarly well in all around depleted soil. Tall root balls help keep further roots soggy. Wide and shallow root balls are more qualified for planting in ineffectively depleted and compacted locales. Shallow root balls dry faster on all around depleted locales.
Slide 23Good for ineffectively depleted site
Slide 24Important contemplations for determination Production technique Maximum size at planting Root ball measurements Root neckline area Root surrenders Root ball: caliper: tallness relationship Trunk and branch structure Other
Slide 25Root neckline area Remove soil or media around the base of the storage compartment until you find the top-generally root. Root flare Top most root The top-most significant root ought to be inside 2-3" of the surface of the root ball.
Slide 26Nicely situated root neckline
Slide 27Trunk without flare ought to trigger a root check
Slide 28Planted too profoundly Soil level Roots produced in the wake of planting Most normal Original top root Less basic No roots created in the wake of planting
Slide 29Conclusions about trees planted too profound Do not buy the tree. Soil, media, and roots becoming over the first top-most root ought to be for the most part evacuated preceding planting.
Slide 30Important contemplations for determination Production strategy Maximum size at planting Root ball measurements Root neckline area Root absconds Root ball: caliper: stature relationship Trunk and branch structure Other
Slide 31Types of root imperfections Circling roots Kinked roots Girdling roots Root-bound
Slide 32Circling roots Notice roots hovering at the top and sides of the root ball. Revolving around roots create when trees are developed in holders for a drawn out period, making roots be avoided by the compartment divider and to hover the outside of the root ball.
Slide 33This tree was discovered inclining after a typhoon. The cause … surrounding roots
Slide 34Kinked roots Kinked root Kinked roots happen if roots are collapsed into an engendering bed at the seedling stage.
Slide 35Girdling root Girdling roots are framed when recovered roots develop opposite to a cut root, or from developing in a compartment too long. As the tree develops, these roots may meet the storage compartment and start to choke it.
Slide 36Girdling root cuts down a monster Indented trunk
Slide 37Root-bound Root-bound trees have many roots hovering around the outside of the root ball. This causes a physical obstruction, keeping the tree from spreading roots into the scene soil in the wake of planting.
Slide 38Many roots inside however few on the edge of root ball demonstrate quality.
Slide 39Quick test for root quality Good Quality Poor Quality Trunk does not twist Trunk twists
Slide 40Conclusions about root abandons Root surrenders significantly affect tree execution in the scene. Deformities can happen on all trees paying little mind to the creation strategy. Issues are less demanding to amend in the nursery when the tree is youthful; some revision can happen at the season of planting.
Slide 41Important contemplations for determination Production technique Maximum size at planting Root ball measurements Root neckline area Root surrenders Root ball: caliper: tallness relationship Trunk and branch structure Other
Slide 42Root ball models
Slide 43Way over-developed
Slide 44Conclusions about root: stature proportion Ideally, the measurements of the root ball ought to surpass the base that is prescribed.
Slide 45Important contemplations for choice Production technique Maximum size at planting Root ball measurements Root neckline area Root abandons Root ball: caliper: stature relationship Trunk and branch structure Other
Slide 46Trunk structure Shade trees of lesser quality have at least two trunks Best quality shade trees have one prevailing trunk low quality best quality great quality
Slide 47Branch course of action Good quality Poor quality Major branches and trunks ought not touch. Branches ought to be under 2/3 trunk measurement. Principle branches on shade trees ought to be separated.
Slide 48Young quality tree Small brief branches are OK Lower branches help the root framework and lower trunk develop Protects trunk by shaping a hindrance to mechanical harm.
Slide 49Poor quality Codominant stems Major branches/trunks touching V-formed groin Included bark
Slide 50Conclusions about structure Choose trees that have been prepared in the nursery to have great structure. Trees with great shape at time of planting will require upkeep to keep one prevailing trunk. Trees with poor structure will require more extreme and tedious pruning visits.
Slide 51Important contemplations for determination Production strategy Maximum size at planting Root ball measurements Root neckline area Root abandons Root ball: caliper: stature relationship Trunk and branch structure Other
Slide 52Other elements impacting tree quality Trunk damage Trunk harm or broken branches. Tree wrap (might conceal wounds). Illness or creepy crawly harm. Overhang consistency and totality. Nature of old pruning cuts. Seed or propagule source. Foliage shading and size. Nearness of stakes. Tree wrap
Slide 53Carefully investigate the tree for infection or creepy crawly harm.
Slide 54Canopy consistency and totality Good consistency and completion Poor consistency and completion
Slide 55Quality of old pruning cuts Flush cut Good cut Callus shaping just around sides of flush cut. Branch neckline do not present anymore.
Slide 56Seed or propagule source
Slide 57Foliage shading and size
Slide 58Presence of stakes Stake
Slide 59Example of a decent quality tree One prevailing trunk Branches divided equally Canopy full and uniform Visit the site Trees and Hurricanes : http://treesandhurricanes.ifas.ufl.edu
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