CN113875537A - Method for promoting branches of cajuput trees by high-temperature treatment - Google Patents
Method for promoting branches of cajuput trees by high-temperature treatment Download PDFInfo
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- CN113875537A CN113875537A CN202111301446.4A CN202111301446A CN113875537A CN 113875537 A CN113875537 A CN 113875537A CN 202111301446 A CN202111301446 A CN 202111301446A CN 113875537 A CN113875537 A CN 113875537A
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- cajuput
- temperature treatment
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
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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
- A01G2/10—Vegetative propagation by means of cuttings
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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
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
Abstract
The invention belongs to the field of plant physiology and flower gardening, and discloses a method for promoting jatropha curcas branches by utilizing high-temperature treatment, which comprises the following steps: s1, selecting a normally growing cajuput plant, carrying out high-temperature treatment on one side of the cajuput plant by a heat source at the temperature of 50-70 ℃, and setting the high-temperature treatment time to be 5-30 min; s2, after high-temperature treatment, moving the cajuput plants to a ventilated and semi-shaded environment for growth. The method for promoting the branching of the cajuput trees by utilizing high-temperature treatment can accelerate the lateral bud germination speed of the cajuput trees, greatly shorten the cuttage seedling-raising period of the cajuput trees, reduce the cost for breeding the cajuput trees in gardening and improve the economic benefit.
Description
Technical Field
The invention relates to the field of plant physiology and flower gardening, in particular to a method for promoting lateral buds of a cajuput tree by treating the top buds of the cajuput tree at high temperature.
Background
The cajuput (Crassularbores (Mill.) Willd.) is a succulent plant of Crassulaceae (Crassulaceae) genus Cynomorium, and is a common potted ornamental plant because of unique leaf shape, like jasper, beautiful plant shape, and is popular with plant enthusiasts. The growth of the cajuput is slow, and the lateral bud sprouting speed is very slow. The commonly used method for propagation in horticulture is leaf or twig cutting propagation. However, the cutting propagation by adopting the leaves usually needs more than 1 year to sprout the young leaves, the cutting by the small branches is limited by the slow sprouting speed of the lateral buds, and the current propagation method seriously restricts the speed of the seedling propagation of the horticultural jade tree in the nursery.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a method for promoting the branching of a cajuput tree by high-temperature treatment, wherein the top bud of the cajuput tree is treated by high temperature to promote the lateral bud to sprout, so that the seedling propagation speed is increased.
The technical scheme is as follows:
a method for promoting the branching of a cajuput tree by high-temperature treatment comprises the following steps:
s1, selecting a normally growing cajuput plant, carrying out high-temperature treatment on one side of the cajuput plant by a heat source at the temperature of 50-70 ℃, and setting the high-temperature treatment time to be 5-30 min;
s2, after high-temperature treatment, moving the cajuput plants to a ventilated and semi-shaded environment for growth.
Preferably, the high-temperature treatment temperature is 60 ℃, and the high-temperature treatment time is set to be 20 min.
Preferably, the height of the cajuput plant is 15-20 cm.
Preferably, in step S2, the temperature of the environment is 20-33 ℃.
Preferably, the heat source is a far infrared electric heater or an electric heater.
Compared with the prior art, the invention has the beneficial effects that:
the invention designs a brand-new method for promoting lateral bud germination of the cajuput, which can accelerate lateral bud germination of the cajuput, greatly shorten cuttage seedling-raising period of the cajuput, reduce cost for breeding the cajuput in horticulture, accelerate cuttage propagation speed of the cajuput in horticulture and improve economic benefit.
Drawings
FIG. 1 is a graph showing a comparison between the conditions of the germination of the cajuput tree before the high temperature treatment and after the high temperature treatment for 2 months in example 3 of the present invention.
Detailed Description
The present invention is described more fully below in order to enable those skilled in the art to better understand the solution of the present invention.
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto. Reagents, methods and apparatus used in the present invention are conventional in the art unless otherwise indicated.
Example 1
A method for promoting the branching of a cajuput tree by high-temperature treatment comprises the following steps:
s1, selecting a jade tree which grows normally and is 15-20cm high to pot for later use. Firstly, adjusting a heat source double-tube electric heater (rated power 1000W) to a single tube for heating, placing a handheld weather station thermometer at a position about 40cm away from one side of the electric heater, and placing the thermometer at a position with the height of 4/5 of a cajeput tree pot for continuous temperature measurement; moving the thermometer of the handheld weather station until the measured temperature is stabilized within the range of 50 +/-0.5 ℃, and then moving the prepared potted jade tree to enable the outer edge blade on one side of the potted jade tree to be moved to the position of the handheld weather station to continuously receive high-temperature treatment; the high temperature treatment time was set to 30 min.
S2, after high-temperature treatment, the outer edge blade of the side, close to the heat source, of the jade tree can be seen by naked eyes to have water drops separated out. And (3) moving the potted cajuput to an outdoor ventilated and semi-shaded environment for growing, wherein the ambient temperature is 20-33 ℃.
The above experiment was performed 5 times with 5 sapride potted plants.
Example 2
S1, selecting a jade tree which grows normally and is 15-20cm high to pot for later use. Firstly, adjusting a heat source double-tube electric heater (rated power 1000W) to double-tube heating, placing a handheld weather station thermometer at a position which is about 30cm away from one side of the electric heater, and placing the thermometer at a position with the height of 4/5 of the potted jade tree for continuous temperature measurement; moving the thermometer of the handheld weather station until the measured temperature is stabilized within the range of 60 +/-0.5 ℃, and then moving the prepared potted jade tree to enable the outer edge blade on one side of the potted jade tree to be moved to the position of the handheld weather station to continuously receive high-temperature treatment; the high temperature treatment time was set to 10 min.
S2, after high-temperature treatment, the outer edge blade of the jade tree close to the heat source can be seen by naked eyes to separate out water drops. And (3) moving the potted cajuput to an outdoor ventilated and semi-shaded environment for growing, wherein the ambient temperature is 20-33 ℃.
The above experiment was performed 5 times with 5 sapride potted plants.
Example 3
S1, selecting a jade tree which grows normally and is 15-20cm high to pot for later use. Firstly, adjusting a heat source double-tube electric heater (rated power 1000W) to double-tube heating, placing a handheld weather station thermometer at a position which is about 30cm away from one side of the electric heater, and placing the thermometer at a position with the height of 4/5 of the potted jade tree for continuous temperature measurement; moving the thermometer of the handheld weather station until the measured temperature is stabilized within the range of 60 +/-0.5 ℃, and then moving the prepared potted jade tree to enable the outer edge blade on one side of the potted jade tree to be moved to the position of the handheld weather station to continuously receive high-temperature treatment; the high temperature treatment time was set to 20 min.
S2, after high-temperature treatment, the outer edge blade on the heated side of the jade tree can obviously change color by naked eyes. And (3) moving the potted cajuput to an outdoor ventilated and semi-shaded environment for growing, wherein the ambient temperature is 20-33 ℃.
The above experiment was performed 5 times with 5 sapride potted plants.
Example 4
S1, selecting a jade tree which grows normally and is 15-20cm high to pot for later use. Firstly, adjusting a heat source double-tube electric heater (rated power is 1000W) to double-tube heating, placing a handheld weather station thermometer at a position which is about 25cm away from one side of the double-tube electric heater, and placing the thermometer at a position with the height of 4/5 of a cajeput tree pot for continuous temperature measurement; moving the thermometer of the handheld weather station until the measured temperature is stabilized within the range of 70 +/-0.5 ℃, and then moving the prepared potted jade tree to enable the outer edge blade on one side of the potted jade tree to be moved to the position of the handheld weather station to continuously receive high-temperature treatment; the high temperature treatment time was set to 5 min.
S2, after high-temperature treatment, the outer edge blade on the heated side of the jade tree can be seen to have water drops separated out by naked eyes. And (3) moving the potted cajuput to an outdoor ventilated and semi-shaded environment for growing, wherein the ambient temperature is 20-33 ℃.
The above experiment was performed 5 times with 5 sapride potted plants.
Example 5
S1, selecting a jade tree which grows normally and is 15-20cm high to pot for later use. Firstly, adjusting a heat source double-tube electric heater (rated power is 1000W) to double-tube heating, placing a handheld weather station thermometer at a position which is about 25cm away from one side of the double-tube electric heater, and placing the thermometer at a position with the height of 4/5 of a cajeput tree pot for continuous temperature measurement; moving the thermometer of the handheld weather station until the measured temperature is stabilized within the range of 70 +/-0.5 ℃, and then moving the prepared potted jade tree to enable the outer edge blade on one side of the potted jade tree to be moved to the position of the handheld weather station to continuously receive high-temperature treatment; the high temperature treatment time was set to 10 min.
S2, after high-temperature treatment, the leaves on the outer edge of the heated side of the cajuput can be seen to have obvious color change by naked eyes, and the cajuput pot is moved to an outdoor ventilated and semi-shaded environment for growth, wherein the ambient temperature is 20-33 ℃.
The above experiment was performed 5 times with 5 sapride potted plants.
Example 6
The high-temperature treated cajuput plants of examples 1-5 were observed for 2 months and compared with non-high-temperature treated cajuput plants as a reference.
Through observation for 2 months, the conditions of the growth recovery and lateral bud germination of the high-temperature treated side of the cajuput plant are recorded, and the observation results are shown in table 1.
TABLE 1 Total number of new lateral buds of Yushu after 2 months of high temperature treatment
As can be seen from Table 1, the number of lateral bud shoots in the Yushu potted plants after the high temperature treatment using the methods of examples 1-5 was greater than that of lateral bud shoots in the Yushu potted plants without the high temperature treatment. When the high-temperature treatment temperature is 60 ℃ and the high-temperature treatment time is 20min, the lateral buds of the potted magnolia denudata have the largest number of sprouts, and as can be seen from figure 1, the whole plant recovers the growth vigor from the high-temperature stress after the potted magnolia denudata grows; when the high-temperature treatment temperature is 50 ℃, the high-temperature treatment time is 30min and when the high-temperature treatment temperature is 60 ℃, the high-temperature treatment time is 10min, the injury degree of the cajuput is low, but lateral buds sprout less; the high temperature treatment temperature is 70 deg.C, and the high temperature treatment time is 10min, the injury degree of the Jade tree is severe, and part of terminal bud loses activity.
Therefore, although the cajuput pot plant is damaged to different degrees through high-temperature treatment, when the treatment temperature is not higher than 70 ℃ and the treatment time is not higher than 30min, the cajuput pot plant can still rapidly sprout lateral buds after being damaged, and the cajuput pot plant can recover growth in a ventilated and semi-shaded environment. Wherein, when the high-temperature treatment temperature is 60 ℃ and the high-temperature treatment time is 20min, the method is the best condition for promoting lateral buds of the potted denudata to sprout by the high-temperature treatment.
The invention utilizes the high-temperature treatment method to accelerate the lateral bud germination speed of the cajuput, greatly shortens the cuttage seedling-raising period of the cajuput, and reduces the cost for breeding the cajuput in gardening.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (5)
1. A method for promoting the branching of a cajuput tree by high-temperature treatment is characterized by comprising the following steps:
s1, selecting a normally growing cajuput plant, carrying out high-temperature treatment on one side of the cajuput plant by a heat source at the temperature of 50-70 ℃, and setting the high-temperature treatment time to be 5-30 min;
s2, after high-temperature treatment, moving the cajuput plants to a ventilated and semi-shaded environment for growth.
2. The method of claim 1, wherein the temperature of the high temperature treatment is 60 ℃ and the time of the high temperature treatment is set to 20 min.
3. The method of claim 1, wherein the height of said cajuput plant is 15-20 cm.
4. The method for promoting the branching of the caju tree using the high temperature treatment as claimed in claim 1, wherein the temperature of the environment is 20-33 ℃ in the step S2.
5. The method for promoting the branching of the caju tree using a high temperature treatment as claimed in any one of claims 1 to 4, wherein the heat source is a far infrared electric heater or an electric heater.
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