Bud grafting cultivation method for walnuts

A cultivation method and a technique of bud grafting, which are applied in the field of bud graft cultivation of walnuts, can solve the problems of grafting survival rate, low seedling emergence rate, instability, etc., and achieve the effects of improving overwintering ability, promoting germination and growth, and promoting robust growth

Inactive Publication Date: 2015-03-25
SUZHOU XINGANG AGRI SCI & TECH PARK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, walnuts are mostly grafted, but the survival rate and emergence rate of grafting are not high and unstable, generally only about 70%.

Method used

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  • Bud grafting cultivation method for walnuts

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Experimental program
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Effect test

Embodiment 1

[0021] A kind of budding cultivation method of walnut, comprises the following steps:

[0022] (1) Cultivation of stock seedlings: select the soil that is flat, leeward to the sun, and drained normally as the nursery, soak the seeds in cold water for 8 days before planting, change the water once a day, sow in April, and the seeding rate is 150kg / mu. Dig out the sowing ditch on the soil, the depth of the sowing ditch is 14cm, put the seeds evenly in the sowing ditch when sowing, cover with soil with a thickness of 6cm and step on the water after sowing, the rootstock in March of the second year after sowing After the seedlings germinate, leave 1 shoot and remove the rest;

[0023] (2) Scion collection: select the walnut tree with normal growth and no damage by diseases and insect pests in full fruit stage as the scion mother tree, cut off the growth branch that its length is 1m, and the thickness is 1.4cm in the same year as the scion, and cut off the multiple roots on the scio...

Embodiment 2

[0028] A kind of budding cultivation method of walnut, comprises the following steps:

[0029] (1) Rootstock Seedling Cultivation: Select the soil that is flat, leeward to the sun, and drained normally as the nursery, soak the seeds in cold water for 8 days before planting, change the water once a day, sow in April, and the seeding rate is 180kg / mu. Dig out the sowing ditch on the soil, the depth of the sowing ditch is 10cm, put the seeds evenly in the sowing ditch when sowing, cover with soil with a thickness of 5cm and step on the water after sowing, the rootstock in March of the second year after sowing After the seedlings germinate, leave 1 shoot and remove the rest;

[0030] (2) Scion collection: select the walnut tree with normal growth and no damage by diseases and insect pests in full fruit stage as the scion mother tree, cut off the growth branch that its length is 1m, and the thickness is 1.4cm in the same year as the scion, and cut off the multiple roots on the scio...

Embodiment 3

[0035] A kind of budding cultivation method of walnut, comprises the following steps:

[0036] (1) Cultivation of stock seedlings: select the soil that is flat, leeward to the sun, and drained normally as the nursery, soak the seeds in cold water for 8 days before planting, change the water once a day, sow in April, and the seeding rate is 170kg / mu. Dig out the sowing ditch on the soil, the depth of the sowing ditch is 12cm, put the seeds evenly in the sowing ditch when sowing, cover with soil with a thickness of 5cm and step on the water after sowing, the rootstock in March of the second year after sowing After the seedlings germinate, leave 1 shoot and remove the rest;

[0037] (2) Scion collection: select the walnut tree with normal growth and no damage by diseases and insect pests in full fruit stage as the scion mother tree, cut off the growth branch that its length is 1m, and the thickness is 1.4cm in the same year as the scion, and cut off the multiple roots on the scio...

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Abstract

The invention provides a bud grafting cultivation method for walnuts. The method comprises the following steps: (1) rootstock seedling cultivation: selecting soil with flat terrain, leeward, sunny exposure and normal water drainage as a nursery land, wherein before seeds are sown, the seeds are soaked in the cold water for eight days, the water is changed once every day, the seeds are sown in April, and sowing furrows are dug in the soil in the nursery land; when the seeds are sown, the seeds are uniformly placed in the sowing furrows; after the seeds are sown, the sowing furrows are covered with the soil, are trodden and are watered; after the rootstock seedlings are germinated in march in the next year after the seeds are sown, one new shoot is remained, and the rest shoots are removed; (2) ear strips collection: selecting walnut trees with normal growth and no plant disease or insect pest in the flourishing time as mother scion trees, wherein the developmental branches with the length of 1 cm and the thickness of 1.4 cm in the current year are cut off to be used as the ear strips, the compound leaves on the ear strips are cut, and leaf stalks with the length of 3 cm are remained; (3) bud grafting; (4) rootstock cutting; (5) management after the bud grafting. The method has the advantages of higher survival rate and higher emergence rate.

Description

Technical field: [0001] The invention relates to a method for budding cultivation of walnuts. Background technique: [0002] Walnut, also known as walnut or Qiang peach, is a Juglandaceae plant, generally 3-5 meters high, the bark is off-white, the pith of the branches is flaky, and the tips of young branches are finely pubescent (2-year-old branches are often glabrous). Some walnuts are as high as 20-25 meters, the trunk is shorter than other species, the crown is broad, the bark is gray-green when young, and gray-white when old, and the branchlets are hairless and shiny. The walnut kernel in the walnut fruit is rich in nutrients, containing 15-20 grams of protein per 100 grams, very little fat, 10 grams of carbohydrates, and contains calcium, phosphorus, iron and other trace elements and minerals necessary for the human body, as well as Carotene, riboflavin and other vitamins are beneficial to the human body and can strengthen the brain, so they are one of the nut foods l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 陶建平
Owner SUZHOU XINGANG AGRI SCI & TECH PARK
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