Silver leaf

problems Guide

Signs of the problem

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Leaves have a silvery appearance; if infection is severe the leaves may curl upwards and become necrotic

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Death of individual limbs or entire tree may occur

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Fungal fruiting bodies appear on the surface of the dead bark

Solutions to the problem

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Pathogen is spread via spores released after rainfall during periods of high humidity and can enter trees through pruning wounds; risk of infection is increased if tree is pruned during late winter or early spring; trees also susceptible when they are heavily pruned

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Control of silver leaf disease is difficult and infection can be widespread after rainfall in areas where the disease is present

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Strategies to reduce the incidence of the disease include: removing all plant debris e.g.

pruning waste, stumps, and logs; pruning tree during dry periods and treating large pruning wounds with fungicidal dressing