diseases & problems for black pine bonsai

the problms can be classified under the following headings : insects fungal physiological environmental domestic.insects description the sap sucking insect is relatets to aphids with white woolly waxy threads on branchlets .
symptoms insects gather on new shoots and stems. the wite woolly secrtionat the base of the needles indicates t presence. sevsere infestation causes
shoot die back. control : systemic insecticides or spray with white oil ,
pest oil or lime sulphur. to be contenue

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