Oak galls are excrescences that are sometimes produced in great numbers on the tree and are caused by the activity of the larvae of different insects. The insects live inside these galls, obtaining their nutrient therein. When the insect pupates and leaves, the gall can be used as a rich source of tannin, that can also be used as a dyestuff.Wood - close-grained, hard, tough, strong, heavy, very durable in contact with the ground. It weighs 51lb per cubic foot. Used for construction, tools, furniture etc.
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Prefers warmer summers than are usually experienced in Britain, trees are not well suited to the British climate and usually grow poorly here. They fail to properly ripen their wood which results in frost damage overwinter. A slow-growing but long-lived tree, it takes 25 - 30 years before it starts to produce seeds. The tree flowers on new growth produced in spring, the seed ripening in its first year. Large crops are produced every 3 - 4 years with low production in the intervening years. Intolerant of root disturbance, trees should be planted in their permanent positions whilst young. Hybridizes freely with other members of the genus.Plants in this genus are notably resistant to honey fungus.
Problems, pests & diseases
Associations & Interactions
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Polycultures & Guilds
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