Disease Index

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Aphid tree disease is caused by infestations of aphids, small sap-sucking insects that feed on tree leaves, stems, and bark. These pests damage trees by piercing plant tissues and extracting nutrients.

Aphids

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The IPS beetle, also known as the pine engraver beetle, is a destructive pest that primarily affects pine and spruce trees. These beetles bore into the tree’s bark to lay eggs, disrupting the flow of water and nutrients. IPS beetles are particularly damaging to stressed trees making early detection and management critical.

Ips Beetle

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The ELF leaf beetle (Eucalyptus Leaf Beetle) is an invasive pest that targets eucalyptus trees, feeding on their leaves and causing significant defoliation. Both adult beetles and larvae chew through the leaf surface, creating holes and scalloped edges that reduce the tree’s ability to photosynthesize.

Elm Leaf Beetle

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The ELF leaf miner, a pest of eucalyptus trees, is known for the damage it causes by tunneling through leaf tissues. Heavy infestations of ELF leaf miners can stunt tree growth. Effective monitoring and management are essential to control their spread and minimize long-term damage.

Elm Leaf Miner

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Cytospora canker is a fungal disease affecting many types of trees, particularly stressed or weakened ones, such as spruces, poplars, willows, and fruit trees. The disease is caused by fungi in the Cytospora genus, which infects branches, stems, and trunks through wounds or damaged areas.

Cytospora Canker

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Chlorosis is a condition in plants, particularly noticeable in trees, where leaves turn yellow due to insufficient chlorophyll production. This can be caused by nutrient deficiencies, especially iron, manganese, or zinc, which hinder photosynthesis. Poor soil drainage, root damage, soil compaction, and high soil pH can also contribute to chlorosis by limiting nutrient uptake.

Chlorosis