High-efficiency construction method of cutting orchard of Carya illinoensis

A technology of thin-shell hickory and ear-picking nursery, which is applied in the field of afforestation, can solve the problems of too long cycle, seedling transplanting and slow seedling stage, etc., and achieve the goal of improving survival rate, avoiding slow seedling stage, and ensuring rapid growth Effect

Inactive Publication Date: 2018-11-16
HUBEI FORESTRY SCI INST
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Problems solved by technology

[0003] In summary, the problems in the prior art are: The period from rootstock cultivation to rapid growth period is too long, and there is a relatively long slow seedling period for seedling planting and transplanting

Method used

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  • High-efficiency construction method of cutting orchard of Carya illinoensis

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Embodiment 1

[0028] The high-efficiency construction method of the hickory carya ear garden provided by the embodiment of the present invention specifically includes the following steps:

[0029] The first step: germination and sowing

[0030] Soak the pecan seeds for 7 days, and change the water once a day. Then hide in sand to accelerate germination, and the seeds will be white in about 20 days. Sow 2 seeds of Lubai seeds per hole, the hole density is 8m×8m, apply 10kg of base fertilizer to each hole, and then sow on demand with 20cm of overlying soil. After sowing, the seeds are covered with 4-5cm of soil.

[0031] Step Two: Rootstock Cultivation

[0032] After emergence, fertilize and weed in time. From June to August every year, apply urea every 15 days at 3-5kg per mu. Apply compound fertilizer 2-3 times in September at 5kg per mu. In the autumn and winter of the first year, remove the weak and keep the strong, keep one well-growing plant in each hole, and the thickness of 90% o...

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Abstract

The invention belongs to the technical field of afforestation, and discloses a high-efficiency construction method of a cutting orchard of Carya illinoensis. The method includes two stages: rootstockcultivation and grafting survival, and according to the high-efficiency construction technique of the cutting orchard of Carya illinoensis, direct grafting to rootstocks is conducted through rootstockcultivation and secondary grafting; high scion grafting is adopted in spring, the height of a cut trunk is 40-60 cm, and two buds are grafted to each plant symmetrically; in early and middle August of the year, square bud grafting is conducted on plants which are grafted in spring but do not survive. Through rootstock cultivation free of a seedling recovering period, rapid growth of seedlings canbe ensured, a remarkable afforestation effect is achieved, the period from the seedlings to a rapid growth period of a forest is reduced into 4 years, and two years are saved when the method is compared with an original method; after twice consecutive grafting, uniformity of the constructed cutting orchard can be ensured, and the total survival rate can reach 90% or above and be increased by at least 10%.

Description

technical field [0001] The invention belongs to the technical field of afforestation, and in particular relates to a method for efficiently constructing a hickory carya ear nursery. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: Thin-shell pecans are generally planted with grafted seedlings, and it takes about 3 years to breed grafted seedlings. The first two years are the rootstock cultivation period, the third year is the grafting survival and growth period, and the fourth year can be planted out of the nursery. Thin-shell hickory is generally afforested by bare-root seedlings. After afforestation, the slow seedling period is relatively long, and it usually takes 2 years to enter the rapid growth period. Therefore, it takes about 6 years for the rapid growth period of pecans from seedling cultivation to afforestation, which is relatively long. [0003] In summary, the problems in the prior art are: The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G2/30
CPCA01G2/30A01G17/005
Inventor 杜洋文邓先珍
Owner HUBEI FORESTRY SCI INST
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