Tree Maintenance |
Contents
The Normal Tree | 3 |
Value of individual trees What is a normal tree? Parts of a tree Structure of the stem | 10 |
Soil components The soil air Soil water The soil minerals Soil organic matter Soil reaction | 24 |
Copyright | |
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100 gallons water Acer adult aphid appear apple applied arborists arsenate of lead attack bacteria bark beech beetle birch bordeaux mixture borer brown burn cankers catalpa caterpillars caused cavity cent wettable powder chestnut copper fungicide damage defoliation diameter discase discolored disease dogwood Dutch elm disease effective eggs evergreens feeding ferbam fertilization flowers foliage fruiting bodies fungi fungicides fungus gallons of water galls girdling growing growth inch long injury insecticides insects larvae late lead arsenate LEAF SPOT leaf surface leaves lime sulfur lindane linden locust malathion Malathion sprays material mites miticide moth needles Norway maple occur ornamental trees overwinter parasites pest pine plants poplar pounds in 100 powdery mildew produced pruning result roots rust sapwood scales shade trees soil species spores spring spruce stage sulfate summer susceptible symptoms tissues twig blight vigor walnut willow wilt winter wounds yellow young Ziram