The Arboricultural Journal, Volumes 12-13Arboricultural Association, 1974 - Arboriculture |
From inside the book
Results 1-3 of 50
Page 174
... wound - result crack be substituted for “ frost crack ” and wound rib for " frost rib " ( BUTIN and VOLger , 1982 ) . There are two facts which speak against wounds as the primary cause : the wide opening of frost cracks illustrated in ...
... wound - result crack be substituted for “ frost crack ” and wound rib for " frost rib " ( BUTIN and VOLger , 1982 ) . There are two facts which speak against wounds as the primary cause : the wide opening of frost cracks illustrated in ...
Page 211
... wounds does not run along the vertical stem as it should be expected from other healed wounds . The experimental evidence is presented as supporting the hypothesis that wound healing in trees is stimulated mechanically by notch stresses ...
... wounds does not run along the vertical stem as it should be expected from other healed wounds . The experimental evidence is presented as supporting the hypothesis that wound healing in trees is stimulated mechanically by notch stresses ...
Page 217
... wound ( notch ) stresses at places where greatest width of callus formation can be seen . If the direction of force flow rotates by anglea the axis of the spindle shaped wound also rotates by anglea . shown in Figure 4 would be reduced ...
... wound ( notch ) stresses at places where greatest width of callus formation can be seen . If the direction of force flow rotates by anglea the axis of the spindle shaped wound also rotates by anglea . shown in Figure 4 would be reduced ...
Other editions - View all
Common terms and phrases
agricultural amenity trees arboretum Arboric Arboricultural Association arboriculture arboriculturists ash trees Athens bark beech beetles Botanic Gardens branches Britain broadleaved cause cent conifers Countryside Commission crown damage decay decline diameter disease Dutch elm disease ecological effects environment environmental established factors Figure forest Forestry Commission frost cracks growing habitats horticultural increase inventory land landscape lime London maintenance methods National Nature Conservancy Council nature conservation nursery park percent phloem Phytopathology pine Pinus planning pollards pollution population practice problems production protection pruning Quercus repollarding root system salt sample Scots pine seedlings shoot Sitka spruce soil stem street trees stress survey techniques Tilia cordata timber Tree City USA tree planting tree roots tree species trees and shrubs trunk urban forestry vegetation Wakehurst Place wildlife wind wood woodland wound