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Grafting method of macadimia nut sprout

A technology of nuts and seeds, which is applied in the field of agriculture and forestry, can solve the problems of high production cost and long seedling breeding cycle, and achieve the effects of increasing survival rate, improving survival rate and saving manpower

Active Publication Date: 2015-04-08
江城金澳生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Macadamia grafted seedlings cultivated by traditional methods generally take 18-30 months from sowing to emergence. Under the premise of skilled grafters, good management, and suitable grafting time, the survival rate of grafting is generally about 70%. It can be seen that the traditional There are problems such as long seedling cycle and high production cost in the seedling breeding method. Therefore, it is an urgent problem to be solved to innovate or improve the seedling cultivation technology of macadamia nuts.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for grafting macadamia seed buds, comprising the steps of:

[0027] Step (1), seed germination: Take the seeds of the cultivated rootstock out of the cold storage, store them in a cool place for 20 hours, then dry them in the sun for 2 hours, and then soak the seeds in water for 20 hours to remove the seeds floating on the water. Waterlogged the rest of the seeds and spread them into a constant temperature and humidity room with a temperature of 33°C and a humidity of 85-88% for germination, to obtain seeds with a natural cracking width of 1.5-2mm;

[0028] Step (2), rootstock cultivation: Dig a planting hole in the middle of the nutrient bag substrate, the size of the planting hole is 3×5cm in diameter×depth, and place the seed opening with a natural split width of 1.5-2mm obtained in step (1) toward the Sow under the sun, after the seeds are sown, water them thoroughly, then place the nutrition bag in a plastic greenhouse and cultivate them for 20 days to obt...

Embodiment 2

[0038] A method for grafting macadamia seed buds, comprising the steps of:

[0039] Step (1), seed germination: Take the seeds of the cultivated rootstock out of the cold storage, store them in a cool place for 30 hours, then dry them in the sun for 3 hours, and then soak the seeds in water for 30 hours to remove the seeds floating on the water. The rest of the seeds are waterlogged and spread to a constant temperature and humidity room with a temperature of 35°C and a humidity of 92-95% for germination, to obtain seeds with a natural cracking width of 1.5-2mm;

[0040] Step (2), rootstock cultivation: Dig a planting hole in the middle of the nutrient bag substrate, the size of the planting hole is 3×5cm in diameter×depth, and place the seed opening with a natural split width of 1.5-2mm obtained in step (1) toward the Sowing under the ground, after the seeds are sown, water thoroughly, and then the nutrition bag is placed in a plastic greenhouse for 25 days to obtain the rootsto...

Embodiment 3

[0051] A method for grafting macadamia seed buds, comprising the steps of:

[0052] Step (1), seed germination: Take the seeds of the cultivated rootstock out of the cold storage, store them in a cool place for 25 hours, then dry them in the sun for 2.3 hours, and then soak the seeds in water for 22 hours to remove the floating seeds. The rest of the seeds are waterlogged and spread to a constant temperature and humidity room with a temperature of 34°C and a humidity of 90% for germination, to obtain seeds with a natural cracking width of 1.5-2mm;

[0053] Step (2), rootstock cultivation: Dig a planting hole in the middle of the nutrient bag substrate, the size of the planting hole is 3×5cm in diameter×depth, and place the seed opening with a natural split width of 1.5-2mm obtained in step (1) toward the Sow under the sun, after the seeds are sown, pour water thoroughly, then place the nutrition bag in a plastic greenhouse for 28 days to obtain the rootstock of the bronze peri...

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PUM

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Abstract

The invention relates to a grafting method of a macadimia nut sprout, and belongs to the technical field of agriculture and forestry. The method is that a semi-lignified branch with one leaf is used as a cion, the seed sprout at the age of two weeks and normally glowing at leaf-expansion period through a nutrition bag is used as a stock, then the split grafting method is performed for grafting, and the sprout is transplanted in a greenhouse and subjected to culture management. The method has the advantages that the semi-lignified branch with one leaf is used as the cion is grafted to the seed sprout at the leaf-expansion period in the nutrition bag; the stock and cion are both in low degree of lignifications, so that the histocyte is active, callus can be generated fast, and the remained leaf is able to perform photosynthesis to produce nutrient substances for curing the grafting opening; by being compared with traditional hard-twig grafting in autumn and spring, the grafting method has the advantages that survive rate is raised by 25% and the grafting survive rate exceeds 95%; in addition, the whole process from sprout grafting, culturing of stock to out-planting needs about 10 months, so that mass industrial seedling applies.

Description

technical field [0001] The invention belongs to the technical field of agriculture and forestry, and in particular relates to a method for grafting macadamia seed buds. Background technique [0002] Macadamia( Macadamia spp.), native to the subtropical rainforests along the coast of southeastern Queensland and northern New South Wales, Australia, is a perennial evergreen tree fruit tree and a new fruit tree with good development prospects. Macadamia nuts are rich in nutrition and high in economic value, and are the most advanced kind of nut food in the world. At present, it is mainly produced in Australia, South Africa, the United States, Kenya and other countries. The planting area of ​​macadamia nuts in my country ranks first in the world. Macadamia is one of the most difficult fruit trees to graft successfully in the world because it is difficult to graft and survive due to the thin cambium of the branches. [0003] According to data, there are great differences in see...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G17/00
CPCA01G2/30A01G2003/005
Inventor 徐斌吴云翔
Owner 江城金澳生物科技有限公司
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