Garden Plant diseases symptoms and remedies.




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  Page 19
Garden Plant Symptons - Shoots eaten or with pests visible.
(Shoots eaten or with pest visible)
Plants affected:Many different plants, but especially roses and broad beans. 
Colonies of aphids develop on young shoots.
Aphids. Picture of infected leaf
 Spray thoroughly with systemic insecticide.
Scale insects
(Shoots eaten or with pest visible)
Plants affected:
Many different plants, both under glass and outdoors, especially beeches, ceanothus, cotoneaster and horse chestnuts.
Colonies of brown, yellow or white scales on older shoots.
Scale insects- Image of affected plant.
Spray thoroughly with systemic insecticide.
Elm bark beetles
(Shoots eaten or with pest visible)
Plants affected: Elms fruit trees and pines.
Symptoms:  Intricate  galleries eaten out under the bark.
Elm Bark Beetles Image of infected tree.
Treatment: Burn affected dead wood during winter and spray susceptible trees with BHC in April if possible.
(Shoots eaten or with pest visible)
Plants affected: Young tees.
Symptoms:  Bark stripped from woody shoots at a little above soil level.
Rabbits-hare-vole damaged tree
Treatment:  Protect the shoots of young trees with tree protectors, or with small-mesh wire netting.
Leopard moths
(Shoots eaten or with pest visible)
Plants affected: Apples and pears, both fruiting and ornamental, ashes, birches, cherries, cotoneasters, hawthorns,lilacs, maples, oaks, rhododendrons, sorbus and willows.
Symptoms:  Branches tunnelled by caterpillars, causing wilting of leaves beyond he tunnel.
Plant disease symptons - Leopard moths
Treatment:  Kill the caterpillars by introducing BHC or paradichlorbenzene into the tunnels.
(Shoots eaten or with pest visible)
Plants affected:Lettuces, other vegetables and young ornamental annuals. 
Shoots eaten through ar soil level; fat caterpillars in soil.
Cutworms. Picture of infected plant
 Control weeds, which encourage cutworms and protect suscepticle plants bby working a little BHC dust or bromophos into the soil. Seed dressings also give some protection in the early stages.
Sclerotinia rot
(Shoots eaten or with pest visible)
Plants affected:Many types but in particular dahlias.
Stems, affected by white,fluffy fungal growth in which there are large black resting bodies, decay rapidly and collapse.
Sclerotinia rot. Picture of infected plant
 Burn all  rotting material before the fruiting bodies have time to fall into the soil.
Moths on garden plants
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