CN110249824B - Method for repairing injured macadamia nut trees - Google Patents
Method for repairing injured macadamia nut trees Download PDFInfo
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- CN110249824B CN110249824B CN201910647641.9A CN201910647641A CN110249824B CN 110249824 B CN110249824 B CN 110249824B CN 201910647641 A CN201910647641 A CN 201910647641A CN 110249824 B CN110249824 B CN 110249824B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G2/00—Vegetative propagation
- A01G2/30—Grafting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
- A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
Abstract
The invention discloses a method for repairing injured macadamia nut trees, which is used for repairing injured macadamia nut trees in aspects of wound part cutting, branch selection, grafting and post-grafting nursing, uses a wound healing agent consisting of cytokinin, indoleacetic acid, brassinolide, chitin and water to promote wound healing of the macadamia nut trees, and uses a nutrient solution consisting of urea, amino acid, potassium dihydrogen phosphate, matrine, beauveria bassiana, gibberellin, chitin, sucrose, boric acid and water to quickly restore tree vigor. The method disclosed by the invention has a good repairing effect on the injured macadamia nut trees, the repairing success rate is up to more than 95%, the operation is simple, the medicament cost is low, the trial production can be carried out in 2 years after the repairing, the original yield can be recovered in 3 years, and the method is suitable for popularization and application.
Description
Technical Field
The invention belongs to the technical field of agricultural planting, and particularly relates to a method for repairing injured macadamia nut trees.
Background
Macadamia ternifolia F. Muell, a perennial evergreen fruit tree, belongs to the Macadamia species of the family of Macadamia, the family of the eyes of the family of the dragon, the order of the dragon, the family of dicotyledons, the plant kingdom.
The macadimia nut kernel contains rich nutrient components, the oil content of the kernel is 75% -79%, the kernel is much higher than that of common edible vegetable oil, mainly contains unsaturated fatty acid, mainly contains oleic acid and palmitic acid, is easy to digest and absorb by human bodies, is beneficial to body health, and is ideal edible oil. Besides a large amount of unsaturated fatty acid, the oil also contains various essential amino acids and abundant mineral elements, and is a high-quality raw material for preparing the nutritional health-care oil. Therefore, the macadimia nuts have good application and development prospects.
The history of planting macadamia nuts in China is not long, and the macadamia nuts are mainly planted in places such as Guangxi, Guangdong and Yunnan. During the planting process, the macadimia nut trees are easy to be damaged by the pests such as longicorn, moth and the like, and after the macadimia nut trees are planted for 5-6 years, most parts of the main trunk parts are bitten by the pests such as longicorn and the like, so that the growth of the trees and the delivery of nutrients are seriously influenced, and even the trees die, and economic loss is caused; in addition, the branches of the Australian nut trees are fragile and easy to blow down by typhoons in summer, so that large-area adult Australian nut trees are broken, and the economic loss is heavy. If the plants are to be planted again, not only resources are wasted, but also time cost, labor cost and economic cost are very high, and agricultural production and income of fruit growers are seriously influenced. Therefore, the repairing of the macadamia nut tree body is particularly important for restoring the normal growth of the injured macadamia nut tree body.
Disclosure of Invention
Aiming at the problems, the invention provides a method for repairing damaged macadamia nut trees, which is used for repairing the damaged macadamia nut trees in aspects of cutting off damaged parts, selecting and repairing branches, grafting and nursing after grafting, and has the advantages of low repairing cost, high repairing success rate, trial production in 2 years after repairing and recovery of the original yield in 3 years.
The invention is realized by the following technical scheme:
a method for repairing damaged macadamia nut trees comprises the following steps,
(1) and (3) cutting the injured part: performing flat cutting or scraping cutting on the injured part of the trunk of the macadimia nut tree, cutting off the injured part, dividing the macadimia nut tree into two or more than two sections of trees on the root and the upper part, and removing redundant branches and insect-damaged branches on the trees;
(2) selecting a repairing branch: selecting robust branches on a main tree of the Australian nut tree as repairing branches;
(3) grafting: grafting the repairing branch with the macadamia nut tree body, connecting the repairing branch with the adjacent treated macadamia nut tree body, spraying a wound healing agent on the interface part, and wrapping the interface part and the positions 20-50cm above and below the interface part by using a film until the wound is healed;
(4) and (3) nursing after grafting: after grafting, spraying nutrient solution on the whole macadimia nut tree, then spraying a wound healing agent on the interface part every 7-10 days, spraying the nutrient solution on the whole macadimia nut tree every 10-20 days, removing the film after 2-4 months, and performing conventional fertilizer and water management on the macadimia nut tree; the concentration of the nutrient solution is 0.03-0.08%, and the nutrient solution comprises urea, amino acid, monopotassium phosphate, matrine, beauveria bassiana, gibberellin, chitin, sucrose and boric acid;
the wound healing agent is prepared by uniformly mixing cytokinin, indoleacetic acid, brassinolide and chitin, and adding water to dilute to the concentration of 0.05-0.1%.
Preferably, the damaged part of the trunk of the macadamia nut tree is a damaged part or a broken part of a pest.
Preferably, the diameter of the repair branch is 5-15cm, and the length of the repair branch is 5-30cm, and is matched with the length of the cut wound part.
Preferably, the grafting method is a cutting grafting or a skin grafting, and specifically comprises the following steps: and cutting wedge-shaped grooves on the cut of the tree body of the macadamia nut tree, and cutting wedge-shaped lugs at two ends of the repairing branch to match with the wedge-shaped grooves of the tree body.
As a further preferred technical scheme, 1-5 restoring branches are used for connecting adjacent macadamia nut tree bodies.
Preferably, the wound healing agent comprises, by weight, 5-10 parts of cytokinin, 5-10 parts of indoleacetic acid, 3-5 parts of brassinolide and 5-10 parts of chitin, and is uniformly mixed and diluted by adding water to the concentration of 0.05-0.1%.
The preferable technical scheme is that the nutrient solution comprises the main components of, by weight, 2-3 parts of urea, 1-2 parts of amino acid, 1-2 parts of monopotassium phosphate, 1-2 parts of matrine, 0.5-1 part of beauveria bassiana, 0.5-1 part of gibberellin, 0.5-1 part of chitin, 0.3-0.5 part of sucrose and 0.05-0.2 part of boric acid, and the main components are mixed with water and diluted to the concentration of 0.03-0.08%.
Preferably, after grafting, the damaged macadamia nut trees with the trunk diameter being more than or equal to 20cm are supported and straightened by the support rods at the upper grafting openings by 10-30 cm, and the action of the support rods is removed after the grafting openings are healed.
As a further preferred technical solution, the support bars are metal bars or excess branches trimmed from macadamia nut trees.
The components of the wound healing agent and the components of the nutrient solution used in the invention can be purchased from the market.
Compared with the prior art, the invention has the beneficial effects that:
(1) the wound healing agent consists of cytokinin, indoleacetic acid, brassinolide and chitin, wherein the cytokinin, the indoleacetic acid and the brassinolide are matched with each other, so that the wound of the macadamia nut tree can be quickly healed, the chitin has a natural antibacterial effect, can prevent germ infection and is beneficial to healing of the wound of the macadamia nut tree, the components have a synergistic effect, the wound healing agent has a good healing effect on the wound of the macadamia nut tree, the healing time is 2-4 months, and the healing rate is up to more than 98%.
(2) The nutrient solution disclosed by the invention consists of urea, amino acid, monopotassium phosphate, matrine, beauveria bassiana, gibberellin, chitin, cane sugar and boric acid, contains rich nutrient components, can meet the nutritional requirements of macadimia nut trees in the recovery period, enables the macadimia nuts to recover the tree vigor quickly, and also contains insecticidal and bactericidal components, and the matrine, the beauveria bassiana, the gibberellin and the chitin are in mutual synergistic action, so that the nutrient solution has a good removal effect and a good control effect on common insect pests of the macadimia nut trees such as longicorn and the like, the insect pest removal rate is up to more than 98%, the toxicity is low, and the use is convenient.
(3) The method disclosed by the invention is simple to operate, the used medicament wound healing agent and nutrient solution are low in cost, the injured macadamia nut trees are good in repairing effect, the repairing success rate is up to more than 95%, the macadamia nut trees can be trial-produced in 2 years after being repaired, the original yield can be recovered in 3 years, and the method is suitable for popularization and application.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited to the scope of the present invention.
Example 1
A method for repairing damaged macadamia nut trees comprises the following steps,
(1) and (3) cutting the injured part: and (3) performing flat cutting or scraping cutting on the pest damaged part and the broken part of the trunk of the macadimia nut tree, cutting off the damaged part, dividing the macadimia nut tree into two or more than two sections of tree bodies at the root and the upper part, and removing redundant branches and pest-damaged branches on the tree bodies.
(2) Selecting a repairing branch: and selecting robust branches on the main body tree of the Australian nut tree as repair branches, wherein the diameter of each repair branch is 5-15cm, the length of each repair branch is 5-30cm, and the length of each repair branch is matched with the length of the cut wound part.
(3) Grafting: cutting and grafting the repairing branches and the macadimia nut tree body, and connecting adjacent treated macadimia nut tree bodies by using 1-5 repairing branches, wherein the method specifically comprises the following steps: and cutting wedge-shaped grooves on the cut of the tree body of the macadamia nut tree, and cutting wedge-shaped lugs at two ends of the repairing branch to match with the wedge-shaped grooves of the tree body. And spraying a wound healing agent which is prepared by uniformly mixing 8 parts of cytokinin, 7 parts of indoleacetic acid, 4 parts of brassinolide and 8 parts of chitin, adding water to dilute the mixture to the concentration of 0.07%, and wrapping the interface part and the positions 20-50cm above and below the interface part by using a film until the wound is healed.
(4) And (3) nursing after grafting: after grafting is finished, for injured macadamia nut trees with trunk diameters larger than or equal to 20cm, reinforcing, supporting and straightening are carried out on the excessive branches trimmed by the macadamia nut trees at the upper part 10-30 cm above the grafting opening, and the effect of the supporting rods is removed after the grafting opening is healed.
After grafting, spraying nutrient solution on the whole macadimia nut tree, then spraying a wound healing agent which is prepared by uniformly mixing 8 parts of cytokinin, 7 parts of indoleacetic acid, 4 parts of brassinolide and 8 parts of chitin every 8 days and adding water to dilute the mixture to the concentration of 0.07%, spraying the nutrient solution on the whole macadimia nut tree every 15 days, removing the film after 3 months, and performing conventional fertilizer and water management on the macadimia nut tree. The main components of the nutrient solution are 2.5 parts of urea, 1.5 parts of amino acid, 1.5 parts of monopotassium phosphate, 2 parts of matrine, 0.8 part of beauveria bassiana, 0.7 part of gibberellin, 0.8 part of chitin, 0.4 part of cane sugar and 0.13 part of boric acid, and the components are mixed by adding water and diluted to the concentration of 0.05%.
Example 2
A method for repairing damaged macadamia nut trees comprises the following steps,
(1) and (3) cutting the injured part: and (3) performing flat cutting or scraping cutting on the pest damaged part and the broken part of the trunk of the macadimia nut tree, cutting off the damaged part, dividing the macadimia nut tree into two or more than two sections of tree bodies at the root and the upper part, and removing redundant branches and pest-damaged branches on the tree bodies.
(2) Selecting a repairing branch: and selecting robust branches on the main body tree of the Australian nut tree as repair branches, wherein the diameter of each repair branch is 5-15cm, the length of each repair branch is 5-30cm, and the length of each repair branch is matched with the length of the cut wound part.
(3) Grafting: cutting and grafting the repairing branches and the macadimia nut tree body, and connecting adjacent treated macadimia nut tree bodies by using 1-5 repairing branches, wherein the method specifically comprises the following steps: and cutting wedge-shaped grooves on the cut of the tree body of the macadamia nut tree, and cutting wedge-shaped lugs at two ends of the repairing branch to match with the wedge-shaped grooves of the tree body. And spraying a wound healing agent which is prepared by uniformly mixing 9 parts of cytokinin, 6 parts of indoleacetic acid, 3.5 parts of brassinolide and 7 parts of chitin, adding water to dilute the mixture to the concentration of 0.08%, and wrapping the interface part and the positions 20-50cm above and below the interface part by using a film until the wound is healed.
(4) And (3) nursing after grafting: after grafting is completed, for injured macadamia nut trees with the trunk diameter being larger than or equal to 20cm, strengthening, supporting and straightening are carried out at the upper part 10-30 cm of the upper grafting opening by using a metal rod piece, and the effect of the supporting rod is removed after the grafting opening is healed.
After grafting, spraying nutrient solution on the whole macadimia nut tree, spraying a wound healing agent which is prepared by uniformly mixing 9 parts of cytokinin, 6 parts of indoleacetic acid, 3.5 parts of brassinolide and 7 parts of chitin and adding water to dilute the mixture to 0.08% to the interface part every 9 days, spraying the nutrient solution on the whole macadimia nut tree every 14 days, removing the film after 3 months, and performing conventional fertilizer and water management on the macadimia nut tree. The main components of the nutrient solution are 2.2 parts of urea, 1.8 parts of amino acid, 1.6 parts of monopotassium phosphate, 1.5 parts of matrine, 0.9 part of beauveria bassiana, 0.8 part of gibberellin, 0.7 part of chitin, 0.4 part of cane sugar and 0.1 part of boric acid, and the components are mixed by adding water and diluted to the concentration of 0.06%.
Example 3
A method for repairing damaged macadamia nut trees comprises the following steps,
(1) and (3) cutting the injured part: and (3) performing flat cutting or scraping cutting on the pest damaged part and the broken part of the trunk of the macadimia nut tree, cutting off the damaged part, dividing the macadimia nut tree into two or more than two sections of tree bodies at the root and the upper part, and removing redundant branches and pest-damaged branches on the tree bodies.
(2) Selecting a repairing branch: and selecting robust branches on the main body tree of the Australian nut tree as repair branches, wherein the diameter of each repair branch is 5-15cm, the length of each repair branch is 5-30cm, and the length of each repair branch is matched with the length of the cut wound part.
(3) Grafting: the repairing branches are in bark grafting with the macadimia nut tree body, and 1-5 repairing branches are used for connecting the adjacent treated macadimia nut tree body, and the method specifically comprises the following steps: and cutting wedge-shaped grooves on the cut of the tree body of the macadamia nut tree, and cutting wedge-shaped lugs at two ends of the repairing branch to match with the wedge-shaped grooves of the tree body. And spraying a wound healing agent which is prepared by uniformly mixing 10 parts of cytokinin, 5 parts of indoleacetic acid, 5 parts of brassinolide and 10 parts of chitin, adding water to dilute the mixture to the concentration of 0.05%, wrapping the interface part and the positions 20-50cm above and below the interface part by using a film, and waiting for the wound to heal.
(4) And (3) nursing after grafting: after grafting is completed, for injured macadamia nut trees with the trunk diameter being larger than or equal to 20cm, strengthening, supporting and straightening are carried out at the upper part 10-30 cm of the upper grafting opening by using a metal rod piece, and the effect of the supporting rod is removed after the grafting opening is healed.
After grafting, spraying nutrient solution on the whole macadimia nut tree, spraying a wound healing agent which is prepared by uniformly mixing 10 parts of cytokinin, 5 parts of indoleacetic acid, 5 parts of brassinolide and 10 parts of chitin every 7 days and adding water to dilute the mixture to the concentration of 0.05%, spraying the nutrient solution on the whole macadimia nut tree every 10 days, removing the film after 2 months, and performing conventional fertilizer and water management on the macadimia nut tree. The main components of the nutrient solution are 2 parts of urea, 2 parts of amino acid, 1 part of monopotassium phosphate, 2 parts of matrine, 1 part of beauveria bassiana, 0.5 part of gibberellin, 1 part of chitin, 0.5 part of cane sugar and 0.2 part of boric acid, and the nutrient solution is mixed with water and diluted to the concentration of 0.03 percent.
Example 4
A method for repairing damaged macadamia nut trees comprises the following steps,
(1) and (3) cutting the injured part: and (3) performing flat cutting or scraping cutting on the pest damaged part and the broken part of the trunk of the macadimia nut tree, cutting off the damaged part, dividing the macadimia nut tree into two or more than two sections of tree bodies at the root and the upper part, and removing redundant branches and pest-damaged branches on the tree bodies.
(2) Selecting a repairing branch: and selecting robust branches on the main body tree of the Australian nut tree as repair branches, wherein the diameter of each repair branch is 5-15cm, the length of each repair branch is 5-30cm, and the length of each repair branch is matched with the length of the cut wound part.
(3) Grafting: the repairing branches are in bark grafting with the macadimia nut tree body, and 1-5 repairing branches are used for connecting the adjacent treated macadimia nut tree body, and the method specifically comprises the following steps: and cutting wedge-shaped grooves on the cut of the tree body of the macadamia nut tree, and cutting wedge-shaped lugs at two ends of the repairing branch to match with the wedge-shaped grooves of the tree body. And spraying a wound healing agent which is prepared by uniformly mixing 5 parts of cytokinin, 10 parts of indoleacetic acid, 3 parts of brassinolide and 5 parts of chitin, adding water to dilute the mixture to the concentration of 0.1%, wrapping the interface part and the positions 20-50cm above and below the interface part by using a film, and waiting for the wound to heal.
(4) And (3) nursing after grafting: after grafting is finished, for injured macadamia nut trees with trunk diameters larger than or equal to 20cm, reinforcing, supporting and straightening are carried out on the excessive branches trimmed by the macadamia nut trees at the upper part 10-30 cm above the grafting opening, and the effect of the supporting rods is removed after the grafting opening is healed.
After grafting, spraying nutrient solution on the whole macadimia nut tree, then spraying a wound healing agent which is prepared by uniformly mixing 5 parts of cytokinin, 10 parts of indoleacetic acid, 3 parts of brassinolide and 5 parts of chitin every 10 days and adding water to dilute the mixture to the concentration of 0.1%, spraying the nutrient solution on the whole macadimia nut tree every 20 days, removing the film after 4 months, and performing conventional fertilizer and water management on the macadimia nut tree. The main components of the nutrient solution are 3 parts of urea, 1 part of amino acid, 2 parts of monopotassium phosphate, 1 part of matrine, 0.5 part of beauveria bassiana, 1 part of gibberellin, 0.5 part of chitin, 0.3 part of sucrose and 0.05 part of boric acid, and the nutrient solution is uniformly mixed with water and diluted to the concentration of 0.08%.
In a certain macadimia nut planting base in Guangxi, the trunk pest damage rate of the macadimia nut trees reaches more than 50%, and after typhoon in summer, the breakage rate of the macadimia nut trees reaches more than 70%, the damaged macadimia nut trees are respectively repaired by adopting the methods of the embodiments 1-4 of the invention, after 4 months, the repaired macadimia nut trees are analyzed according to the percentage of the wound healing rate, the pest removal rate, the repair success rate and the repair third year recovery yield of the macadimia nut trees in the original yield, and the results are shown in Table 1:
TABLE 1 injured macadamia nut tree repair outcomes
As can be seen from the table 1, the method has the advantages that the wound healing rate of the grafted injured macadamia nut trees is more than 98%, the pest removal rate is more than 98%, the repair success rate is more than 95%, and the repair effect is good. The method can be used for trial production in 2 years after the damaged macadamia nut trees are repaired, and the original yield can be recovered in 3 years.
Claims (9)
1. A method for repairing damaged macadamia nut trees is characterized by comprising the following steps,
(1) and (3) cutting the injured part: performing flat cutting or scraping cutting on the injured part of the trunk of the macadimia nut tree, cutting off the injured part, dividing the macadimia nut tree into two or more than two sections of trees on the root and the upper part, and removing redundant branches and insect-damaged branches on the trees;
(2) selecting a repairing branch: selecting robust branches on a main tree of the Australian nut tree as repairing branches;
(3) grafting: grafting the repairing branch with the macadamia nut tree body, connecting the repairing branch with the adjacent treated macadamia nut tree body, spraying a wound healing agent on the interface part, and wrapping the interface part and the positions 20-50cm above and below the interface part by using a film until the wound is healed;
(4) and (3) nursing after grafting: after grafting, spraying nutrient solution on the whole macadimia nut tree, then spraying a wound healing agent on the interface part every 7-10 days, spraying the nutrient solution on the whole macadimia nut tree every 10-20 days, removing the film after 2-4 months, and performing conventional fertilizer and water management on the macadimia nut tree; the concentration of the nutrient solution is 0.03-0.08%, and the nutrient solution comprises urea, amino acid, monopotassium phosphate, matrine, beauveria bassiana, gibberellin, chitin, sucrose and boric acid;
the wound healing agent is prepared by uniformly mixing cytokinin, indoleacetic acid, brassinolide and chitin, and adding water to dilute to the concentration of 0.05-0.1%.
2. The method of repairing a wounded macadamia nut tree according to claim 1, wherein said wounded portion of said macadamia nut tree trunk is a damaged or broken portion.
3. The method of injured macadamia nut tree repair of claim 1, wherein the repair branch is 5-15cm in diameter and 5-30cm in length, matching the length of the excised injury site.
4. The method for repairing a wounded macadamia nut tree according to claim 1, wherein said grafting manner is a scissoring or a skinning, specifically: and cutting wedge-shaped grooves on the cut of the tree body of the macadamia nut tree, and cutting wedge-shaped lugs at two ends of the repairing branch to match with the wedge-shaped grooves of the tree body.
5. The method of injured macadamia nut tree restoration according to claim 4, wherein adjacent macadamia nut tree bodies are connected by 1-5 restoration branches.
6. The method for repairing a wounded macadamia nut tree according to claim 1, wherein the wound healing agent comprises, by weight, 5-10 parts of cytokinin, 5-10 parts of indoleacetic acid, 3-5 parts of brassinolide and 5-10 parts of chitin, and is prepared by mixing and diluting with water to a concentration of 0.05-0.1%.
7. The method for repairing a wounded macadamia nut tree according to claim 1, wherein the nutrient solution comprises, by weight, 2-3 parts of urea, 1-2 parts of amino acid, 1-2 parts of monopotassium phosphate, 1-2 parts of matrine, 0.5-1 part of beauveria bassiana, 0.5-1 part of gibberellin, 0.5-1 part of chitin, 0.3-0.5 part of sucrose, and 0.05-0.2 part of boric acid, and the nutrient solution is mixed with water and diluted to a concentration of 0.03-0.08%.
8. The method for repairing damaged macadamia nut trees according to claim 1, wherein after grafting, the damaged macadamia nut trees with the trunk diameter being not less than 20cm are reinforced, supported and straightened by the supporting rods at the positions 10-30 cm above the upper grafting openings, and the effects of the supporting rods are removed after the grafting openings are healed.
9. The method of claim 8, wherein the support bars are metal bars or excess branches of the pruned macadamia nut tree.
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| CN110622767A (en) * | 2019-10-28 | 2019-12-31 | 广西南亚热带农业科学研究所 | Method for modifying macadimia nut low-yield forest |
| CN113973658B (en) * | 2020-07-27 | 2023-08-15 | 云南省农业科学院生物技术与种质资源研究所 | Efficient genetic transformation and plant regeneration method for capsicum |
| CN111887089B (en) * | 2020-08-27 | 2022-04-08 | 中国热带农业科学院南亚热带作物研究所 | Method for promoting rapid recovery production of adult lodging macadimia nuts after typhoon disaster |
| CN114532098B (en) * | 2022-03-07 | 2022-10-25 | 广西自贸区及时雨绿化管理有限公司 | Tree body repairing method for ancient and famous trees |
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