landscape maintenance. regular maintenance soil maintenance –ph and nutrient testing & maintenance...
Post on 15-Dec-2015
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Landscape maintenance Slide 2 Regular maintenance Soil maintenance pH and nutrient testing & maintenance Amending Weed control Plant maintenance Irrigation Mulching Pest control (insects, disease, other organisms) Pruning Slide 3 Landscape tools Slide 4 Weed control Chemical control Pre-emergent vs. post-emergence Selective vs. nonselective Slide 5 Weed control Hand weeding Landscape fabric Mulch Slide 6 Irrigation Water supply to a plant Limited by root system Improve soil drainage, reduce soil compaction to improve root growth Avg. soil absorbs 3/8 water per hour Slow, less-frequent deep watering better than frequent shallow watering Soaker hose Drip irrigation Basin watering (berm) Slide 7 Irrigation Slide 8 Hand watering Sprinkler irrigation Good for lawns, densely planted beds Wastes water (evaporation, unplanted areas) Can promote foliar diseases Fixed heads/risers Portable heads Drip/trickle irrigation Reduces water usage by >50% Can apply fertilizers Nozzles, pipes can clog Slide 9 Irrigation Mulching/ground covers reduces frequent watering needs Standard 1/2 residential pipe can handle one irrigation head (install -1 piping if plan to irrigate) Generally need 1 water per week Lawns 1 per week Woody plants 3-4 total every 4 weeks Newly transplanted woody plants need to be watered weekly (1 st year), every 2 weeks (2 nd year) Slide 10 Garden pests Slide 11 Pest control Choose plants with minimal pest problems Insect pests are often vectors for disease Chemical control Contact poisons vs. systemic pesticides Synthetic vs. organic Slide 12 Biological pest control Gardens Alive Home Harvest Slide 13 Pruning Removal of excessive & undesirable growth Slide 14 Why prune? Sanitation Broken branches & dead tissue Diseased parts Opening canopy Increase air flow; reduce humidity Increase penetration of sprays Removal of undergrowth for appearance and fire prevention Stimulate new, vigorous growth Slide 15 Why prune? Aesthetics Shape Formal hedges Topiary Slide 16 Espalier Slide 17 Vase-shaped trees Slide 18 Slide 19 Pollarding Slide 20 Why prune? Enhance reproduction Yield enhancement Fruiting shoots vs. non-fruiting shoots Increase flower size Fruit distribution, size, sugar content uniformity Access to fruit Slide 21 Why prune? Manipulate physiology Pre-transplant root pruning Shoot tip pruning to promote branching Stimulate new growth on older plants Dwarfing Bonsai Slide 22 Pruning tools Saws Shears Hand pruners Loppers Pole pruners Bypass vs. anvil Slide 23 Pruning tools Sanitation Branch size and pruner damage Hand pruners (< 1/2 inch dia.) Loppers (< 2 inch dia.) Maintain sharp tools Clean cuts heal faster Slide 24 Pruning principles Cutting is irreversible Breaking apical dominance changes form of plant Pruning invigorates regrowth Pruning can direct growth Timing of pruning is critical Spring flowers develop on previous seasons growth Summer and fall flowers develop on current seasons growth Slide 25 Pruning techniques Slide 26 Prune inward growing branches Slide 27 Pruning for outward growth Slide 28 Prune rubbing branches Slide 29 Slide 30 Included bark Slide 31 Crotch angles Slide 32 Trees with central leaders Standard form Slide 33 Slide 34 Pruning Multiple leaders Slide 35 Removing the central leader Slide 36 Branched head standard Slide 37 Multistemed tree form Slide 38 Drop crotching controlling height Slide 39 Pruning cuts Slide 40 Slide 41 Pruning branches Cut at 90 0 angle Cut in stages Slide 42 Pruning large branches Slide 43 Pruning pines pinching candles Slide 44 Pruning shrubs Heading back Slide 45 Thinning Slide 46 Renewal pruning (gradual renovation) Slide 47 Slide 48 Slide 49 Coppice for color Slide 50 Slide 51 Shearing Slide 52 Hedge shapes Slide 53 Training - Espalier