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PRODUCT PROFILE

Walnut trees are valuable for their rich, edible nuts and thick lumber which is one of the finest in the world. These trees grow quickly in temperate areas but will not thrive in tropical areas. Healthy trees require moderate moisture but usually survive drought.
Seeds
Walnut trees reproduce through their plump, edible nuts. A leathery shell, called a hull, encases and protects this nut.
Young Plant
After about 12 to 15 years, Walnuts develop spring flowers that become walnuts by autumn. They ripen and fall to the ground in September or October each year. Walnut trees reproduce more successfully when multiple trees are present, but they are also able to self-pollinate.
Adulthood
Adult trees grow at a rate of one to two feet in height per year. The leaves are green in the summer and turn yellow in autumn. These fragrant, compound leaves typically grow to approximately a foot with about 15 to 23 leaflets each.
Maturity
A mature tree reaches a height ranging from 70 to 150 feet with a spread width of 50 to 70 feet, according to Nature Hills Nursery. The diameter of a full-grown Walnut tree is usually between two to four feet.
Life Span
Walnut trees can live for over 100 years. They are often harvested at maturity for their dense hardwood used for firewood and various products.

Latin Name

English Name

Order

Family  

Genus  

Latin     

Juglans regia

Walnut (Walnut kernel )

Fagales

Juglandaceae

Juglans L

Semen Juglandis

WALNUT ( Juglans sp.) is the most important temperate nut fruit of the country. It is grown in Jammu and Kashmir, Uttar Pradesh and Himachal Pradesh. There are no regular orchards of walnuts in the country because the existing plantation are generally of seedling origin. The seedling trees attain giant size and start bearing nuts of variable sizes and shapes after 10-15 years, whereas vegetatively propagated plants are true-to-type and produce almost uniform- sized nuts after 4-5  years. They remain within manageable size. But the major constraint is low success in vegetative propagation. Limited availability of scion material from desired trees results in very few vegetatively propagated plants. Walnuts earn valuable foreign exchange.

Nutritional value (per 100 gram) of walnut

  • Energy 698 kcal.
  • 2.919 kJ.
  • Total Fat 64.0 gr.
  • Total Protein 14.8 gr.
  • Total Carbohydrates 13.7 gr.
  • Total Minerals 1.9 gr.
  • Total Vitamins 2.8 mg.
Package of Practices - Crop Cultivation

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Note : The crop technical profile and practices vary from place to place depending on the soil, water and other environmental conditions. The package of practices given in this portal is only generic.