An edible oil is obtained from the seed, but it tends to go rancid quickly.Young buds (flower?) and fruit stalks - cooked.
The bark is rich in tannin. It is used as a dye and also medicinally. Plants produce chemicals which can inhibit the growth of other plants. These chemicals are dissolved out of the leaves when it rains and are washed down to the ground below, reducing the growth of plants under the tree. The roots of many members of this genus produce substances that are toxic to many plant species, especially apples (Malus species), members of the Ericaceae, Potentilla spp and the white pines (certain Pinus spp.).Wood - soft, light, not easily cracked, of good quality. Used for cabinet making etc.
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This is the hardiest member of the genus, capable of growing in all areas of Britain. It is also resistant to the attacks of most insects. The young growth in spring, however, can be damaged by late frosts. This species is cultivated for its edible seed in Japan, it has the potential for producing very superior nuts, especially if hybridized with J. cinerea. Trees can come into bearing within 3 - 4 years from seed. Plants produce a deep taproot and they are intolerant of root disturbance. Seedlings should be planted out into their permanent positions as soon as possible and given some protection since they are somewhat tender when young. Flower initiation depends upon suitable conditions in the previous summer. The flowers and young growths can be destroyed by even short periods down to -2°c, but fortunately plants are usually late coming into leaf. Any pruning should only be carried out in late summer to early autumn or when the plant is fully dormant otherwise wounds will bleed profusely and this will severely weaken the tree.Trees have a dense canopy which tends to reduce plant growth below them. We have no specific information for this species, but the roots of several members of this genus produce substances that are toxic to many plant species, especially apples (Malus species), members of the Ericaceae, Potentilla spp and the white pines (certain Pinus spp.). The leaves of many species also secrete substances that have an inhibitory affect on plants growing underneath them. All in all this is not a very good companion plant[K].
Problems, pests & diseases
Associations & Interactions
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Polycultures & Guilds
There are no polycultures listed which include Juglans ailanthifolia.
This table shows all the data stored for this plant.
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