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Rapid cultivation method of macadamia nut rootstocks

A cultivation method and rootstock technology, applied in cultivation, application, seed and rhizome treatment, etc., can solve the problems of high time cost and achieve the effects of improving stress ability, improving adaptability and promoting growth rate

Active Publication Date: 2016-04-20
厦门腾建绿化工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, grafting is generally used for seedling cultivation. The traditional method of macadamia seedling cultivation is to graft when the rootstock is 20-30cm away from the ground and the stem thickness reaches 0.7-1.2cm. The rootstock that meets this condition must be at least It has grown for more than 12 months and under good management, it can emerge from the nursery 6 months after grafting. However, the rootstock is long enough and thick enough to help the survival of grafted seedlings. Therefore, the traditional method of grafting seedlings is still used to meet this condition. rootstock for grafting
Therefore, it takes at least 18 months for grafted seedlings to go out of the nursery, and the time cost is too high. Therefore, it is of great significance to establish a rapid cultivation method for macadamia rootstocks.

Method used

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  • Rapid cultivation method of macadamia nut rootstocks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A rapid breeding method for macadamia rootstocks, comprising:

[0034] Step A. Select macadamia nut seeds with normal grain size and development. Before sowing, place the seeds in the first soaking solution and soak for 4 hours at 25° C., wherein the first soaking solution is a trisodium phosphate solution with a mass fraction of 0.5%, and remove floating For the seeds on the liquid surface, scoop up the rest of the seeds, wash them with clean water, and blot the surface moisture, place them successively under the conditions of four stages for treatment, and circulate them for 3 times,

[0035] Among them, the first stage: refrigerate for 12 hours at a temperature of 4°C in the dark, and remove the moisture on the surface of the seeds before refrigeration; the second stage: place the seeds in a light-transmitting container filled with sufficient water, and place the container at a temperature of Place it at 15°C and light intensity of 1000Lux for 8h; the third stage: re...

Embodiment 2

[0050] A rapid breeding method for macadamia rootstocks, comprising:

[0051] Step A. Select macadamia nut seeds with normal grain size and development. Before sowing, place the seeds in the first soaking solution and soak for 5 hours at 28° C., wherein the first soaking solution is a trisodium phosphate solution with a mass fraction of 0.65%, and remove the floating For the seeds on the liquid surface, scoop up the rest of the seeds, wash them with clean water, and blot the surface moisture, place them successively under the conditions of four stages, and process them 4 times in a cycle.

[0052] Among them, the first stage: refrigerate for 13 hours at a temperature of 4°C in the dark, and remove the water on the surface of the seeds before refrigeration; the second stage: place the seeds in a light-transmitting container filled with sufficient water, and place the container at a temperature of Place it at 16°C and light intensity of 1100Lux for 9h; the third stage: replace t...

Embodiment 3

[0066] A rapid breeding method for macadamia rootstocks, comprising:

[0067] Step A. Select macadamia nut seeds with normal grain size and development. Before sowing, place the seeds in the first soaking solution and soak for 6 hours at 30° C., wherein the first soaking solution is a trisodium phosphate solution with a mass fraction of 0.8%, and remove the floating For the seeds on the liquid surface, scoop up the rest of the seeds, wash them with clean water, and blot the surface moisture, place them successively under the conditions of four stages, and process them 5 times in a cycle.

[0068] Among them, the first stage: refrigerate for 14 hours at a temperature of 4°C in the dark, and remove the water on the surface of the seeds before refrigeration; the second stage: place the seeds in a light-transmitting container filled with sufficient water, and place the container at a temperature of Place it at 18°C ​​and light intensity of 1200Lux for 10h; the third stage: replace...

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Abstract

The invention discloses a rapid cultivation method of macadamia nut rootstocks. The method comprises the steps that 1, macadamia nut seeds are put into a 0.5%-0.8% trisodium phosphate solution for soaking before sowing is conducted, the seeds on the lower portion are taken out and washed through clean water, and then the seeds are sequentially placed under the conditions of four different stages; 2, the seeds obtained in the first step are put into a constant-temperature vibrator loaded with a second soaking solution, oscillating soaking is conducted for 15-20 h, and the temperature ranges from 40 DEG C to 45 DEG C; 3, sprouting cultivation is conducted on the soaked seeds on the condition that the temperature ranges from 35 DEG C to 38 DEG C and the relative humidity ranges from 80% to 85% till the width of natural cracking sprout holes of the seeds reaches 2.5 mm or above, and the seeds are taken out; 4, the seeds obtained in the third step are sown into a sand bed substrate and cultivated till the height from seedlings to the surface layer of the sand bed substrate reaches 20 cm or above and the stem thickness reaches 0.6 cm, and the seedling can serve as the rootstocks for grafting. The method can rapidly cultivate the rootstocks suitable for grafting propagation of macadamia nuts.

Description

technical field [0001] The invention relates to the field of cultivation of macadamia nuts. More specifically, the present invention relates to a method for rapidly cultivating macadamia rootstocks. Background technique [0002] Macadamia nuts, also known as Queensland chestnuts and macadamia nuts. Its kernels are rich in unsaturated fatty acids, proteins, vitamins, etc., with high nutritional value and unique flavor, known as the "king of dried fruits". The market prospect of macadamia nuts is promising, with good ecological and economic benefits. It is an edible nut with high oil content, rich nutrition and unique flavor. It has been in short supply in the international market. [0003] Macadamia nut seedling raising methods include seed seedling raising, cutting seedling raising, grafting seedling raising and plant tissue culture seedling raising method. Due to the poor genetic stability of macadamia seed breeding, seedlings are rarely propagated by single seeds. Plan...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01C1/00
CPCA01C1/00A01G17/005
Inventor 凌华彪
Owner 厦门腾建绿化工程有限公司
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