High-altitude layering propagation technology for aleurites moluccana tree

A technology of high-altitude layering and stone chestnut, applied in the field of plant propagation, can solve the problems of long seed dormancy period, long seedling raising time, low germination rate, etc., and achieve the effect of uniform growth of seedlings, high survival rate, and simple technology

Inactive Publication Date: 2012-11-28
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional reproduction of chestnut is sexual reproduction, that is, using seeds to sow seedlings and transplant them. Due to the long dormant period, low germination rate, irregular seedling emergence and long seedling time of chestnut seeds, it takes 2-3 hours from sowing to seedling emergence and transplanting. Years, and the growth and development of seedlings are not uniform, and the yield level varies greatly
In addition, the first fruit-bearing period of the seedlings of the chestnut tree is long, and it takes 5-8 years. These problems are the bottlenecks that limit the development of the industrialized planting of the chrysanthemum tree.

Method used

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  • High-altitude layering propagation technology for aleurites moluccana tree
  • High-altitude layering propagation technology for aleurites moluccana tree

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Embodiment 1: in mid-March, on the 4th age chestnut tree, select 2-3 year old, healthy and healthy branches without disease and insect damage 60, carry out high-altitude layering. Carry out girth 2-4cm wide at the branch base of choosing, depth to xylem, destroy cambium tissue completely, smear the NAA solution of 200mg / L at the wound, use wet substrate (by adding 1 kilogram of rice straw per 15 kilograms of fertile soils) The ratio of mixing and retting) to make a mud ball (7-8cm in length, 5-6cm in diameter, and about 0.25kg in weight) to wrap the wound, and wrap the mud ball tightly with plastic film (30cm in length, 20cm in width), and then wrap it with a packing rope Bind both ends, see attached figure 1 . During the rooting period, check the humidity of the mud mass once a week. If the soil humidity of the mud mass is too low, use the injection method to replenish water to keep the soil moist. Rooting begins after 1 month of circumcision, and a large number of r...

Embodiment 2

[0008] Embodiment 2: in the middle ten days of May, on the 4th age chestnut tree, select 2-3 year old, healthy and healthy branches without disease and insect damage 50, carry out high-altitude layering. Carry out circumcision 2-4cm wide at the branch base of choosing, and depth is to xylem, completely destroys cambium tissue, is coated with the IBA solution of 200mg / L at the wound, with moist substrate (add 1 kilogram of rice straw by every 15 kilograms of fertile soils) Mixing and stacking retting) to make a mud ball (7-8cm long, 5-6cm in diameter) to wrap the wound, wrap the mud ball tightly with a plastic film, and then tie the two ends with a packing rope. Check once a week during the rooting period The humidity of the mud mass, if the soil humidity of the mud mass is too low, use the injection method to add water to keep the soil moist. Rooting begins after 1 month of circumcision treatment, and a large number of roots germinate and grow in about 1.5 months. After 2-3 mo...

Embodiment 3

[0009] Embodiment 3: in the middle ten days of august, on the stone chestnut tree more than 4 ages, select 2-3 year old, healthy and healthy branches 50 without disease and insect damage, carry out high-altitude layering. Carry out circumcision 2-4cm wide at the branch base of choosing, depth to xylem, completely destroy cambium tissue, smear the rooting powder solution of 200mg / L on wound, add 1 kilogram by every 15 kilograms of fertile soils with moist matrix Mix the ratio of straw and retting) to make a mud ball (7-8cm long, 5-6cm in diameter) to wrap the wound, wrap the mud ball tightly with a plastic film, and then tie the two ends with a packing rope. During the rooting period, check once a week The humidity of the second mud mass, such as when the soil humidity of the mud mass is too low, use the injection method to add water to keep the soil moist. Rooting begins after 1 month of ring cutting treatment, and a large number of roots germinate and grow in about 1 and a ha...

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Abstract

The invention relates to a technology for propagating an aleurites moluccana seedling by high-altitude layering. According to the technology, an operating method comprises the following steps of: selecting branches of which the sizes are similar and the growth conditions are excellent from the aleurites moluccana tree which has more than 4 age from March to October in every year; performing girdling on the stem bases of the selected branches, wherein the width is about 2 to 4 centimeters, and a cortex layer and a cambium are scraped completely; coating a growth regulator with appropriate concentration at the upper ends of incisions; making a wet matrix into a mud pie, covering wounds with the mud pie, wrapping the outside of the mud pie by using a plastic film, and binding by using a packing rope; and checking the humidity of the mud pie during layering rooting, and when the humidity is low, replenishing moisture by an injection method to keep the humidity of soil, wherein after the girdling is performed, roots are grown at the wounds a month later; and cutting the layering for transplant when a large quantity of root systems are formed two or three month later.

Description

technical field [0001] The invention relates to a technical method for plant propagation, which is a method for asexually propagating seedlings of chestnut trees. Background technique [0002] Chestnut (Aleurites moluccana) originated in tropical and subtropical regions, and is a tall evergreen tree with wide leaves. The oil content of its kernel is as high as 64%-68%, and the protein content is 21.6%. Chestnut kernel oil is a high-quality raw material for biodiesel production. The protein content of the cake obtained after oil extraction is as high as 40% to 50%. After detoxification treatment, it can be processed into high-quality concentrated feed or directly fermented to produce high-efficiency and high-quality organic compound Fat. Chestnut seed shells are hard and thick, accounting for about 60% of the weight of the seeds. They contain oil and have a calorific value of 4370 kcal / kg. They can be used as fuel instead of coal. Therefore, chestnut is a high-efficiency en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
Inventor 禤维言冯斗刘振银
Owner GUANGXI UNIV
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