CN112470729A - Method for raising seedlings of idesia polycarpa stem tip twigs through mist cutting - Google Patents
Method for raising seedlings of idesia polycarpa stem tip twigs through mist cutting Download PDFInfo
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- CN112470729A CN112470729A CN202011400472.8A CN202011400472A CN112470729A CN 112470729 A CN112470729 A CN 112470729A CN 202011400472 A CN202011400472 A CN 202011400472A CN 112470729 A CN112470729 A CN 112470729A
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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
- 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
- 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
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Abstract
The invention discloses a method for raising seedlings of idesia polycarpa stem tip twigs by mist cutting, which comprises the following steps: (1) processing the scion stock plant; (2) selecting robust cuttings; (3) anti-pollution treatment of the cutting; (4) setting a cuttage pool; (5) and (5) cuttage management. By controlling the aspects, the root system is formed in the bark holes after 7-10 days of cuttage, the root system is generated in large quantity in about 15 days, the transplanting can be carried out in 20-25 days, and the transplanting survival rate is up to more than 99%. According to the technical key point, the pollution of the idesia polycarpa cutting slips can be prevented, the rooting rate and the root quality of the cutting slips are improved, and the problem of asexual propagation of the idesia polycarpa cutting is solved.
Description
Technical Field
The invention relates to the technical field of cutting seedling, in particular to a method for raising seedlings of idesia polycarpa stem tip twigs through mist cutting.
Background
Idesia polycarpa (Idesia polycarpa), commonly known as Vitis vinifera, is an excellent oil economic tree species and winter fruit tree species, and belongs to the deciduous tree of the genus Idesia in the family of Hydnocarpus. Although the propagation method is widely distributed in China, the propagation method has the defects of limited related research, development and utilization due to small resource amount, high propagation cost and high difficulty, and the requirements of production and life cannot be met. The idesia polycarpa is a male and female variant plant, the main utilization value is fruit oil expression, only a fructified female plant is useful, a few male plants are reserved, and the rest are needed to be cut. At present, seeding propagation is mainly adopted in production, so that a large number of invalid male plants are planted, and the acre yield is low.
In order to adopt the asexual propagation of excellent plants, the cutting propagation technology is an important technical means for solving the problem of propagation of the excellent plants of idesia polycarpa. However, due to the particularity of the stems and leaves of the idesia polycarpa, the pollution rate of the branch cutting is high, the rooting rate is low, the rooting speed is low, and the survival rate after transplanting cannot be guaranteed:
(1) the wood part of the cutting shoot mainly plays a role in balancing and dredging moisture, and the mature branches of the idesia polycarpa are hollow, so that the difficulty in dredging moisture is high, the base part is not easy to be chipped, and the cutting shoot is easy to rot and lose water;
(2) under the conditions of high temperature and drought, the idesia polycarpa is easy to seal, so that the branches are easy to age and are not easy to root as cuttings;
therefore, how to improve the cutting rooting speed and quality of idesia polycarpa and improve the transplanting survival rate becomes a technical problem to be solved urgently in the field.
Disclosure of Invention
In view of the above, the invention provides a method for raising seedlings of jatropha curcas stem tip twigs by mist cutting. The method controls multiple aspects of the processing of the scion stock plant, the selection and the processing of the cutting slips and the cutting management, effectively improves the rooting rate and the rooting speed of the cutting slips of idesia polycarpa, can perform transplanting after 20-25 days of cutting, and has high transplanting survival rate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for raising seedlings of idesia polycarpa stem tip twigs by mist cutting comprises the following steps:
(1) treating the scion stock plant: before spring germination, (5) pruning and managing the idesia polycarpa tree body;
(2) selection of robust cuttings: selecting the scion stock plant which grows fully, has plump bud bodies and does not have diseases and insect pests for 6-8 months, and selecting young shoots or root tillering sprouts which grow within 3 months and have the length of more than 15cm as the cuttings to be treated;
(3) anti-pollution treatment of the cutting: 2-4 buds are reserved when the cutting is pruned, 2 leaves are reserved and cut into halves, and the length of the cutting is 8-12 cm;
disinfecting the cut cutting slips, and then treating for 10s by using 2000mg/L IBA solution;
(4) setting a cuttage pool: cutting the cutting slips into a substrate, sealing a cutting pool by using a plastic film, and arranging a shading net outside the plastic film for shading treatment; the cutting medium is clean, needs to be changed once and cannot be reused;
(5) cuttage management: cutting the cutting slips into a substrate, sealing a cutting pool by using a plastic film, and shading the outside of the plastic film; spraying regularly by using a mist spraying device, and spraying for 10-15s every 5-8min in the daytime to keep the environmental humidity above 90%;
spraying carbendazim solution for 1 time every 4-5 days after cuttage; spraying urea solution for 1 time every 4-5 days after the cutting shoots take root.
Pruning and managing the idesia polycarpa tree body before germination in spring can control the growth of branches, so as to obtain full young cuttings in the time most suitable for idesia polycarpa cutting, and avoid cutting rot and water loss caused by flocculent or hollow state inside the branches in the cutting period.
The selection of the ear picking time, the selection of the object and the specific processing mode all ensure the rapid rooting of the cutting, wherein, the root is quickly dipped by adopting a high-concentration IBA solution, so the rapid rooting can be promoted.
The spraying treatment creates a high-humidity suitable environment for the cutting, keeps the cutting activated and avoids the falling leaves and aging of branches; the normal humidity of the substrate is kept while spraying, and the cutting slips are prevented from being rotten.
Spraying urea solution every 4-5 days after rooting to promote the rapid growth of the root system and further ensure the survival rate of transplanting.
Preferably, in the step (2), the growing and uncapped young shoots or strong root tillering shoots are selected as the cutting to be treated.
Preferably, in the step (3), when cutting the cutting shoot, the upper incision is cut flatly at a position 1-1.5cm above the bud, the lower incision is cut obliquely at a position 0.5-0.8cm below the bud, and the incision is smooth and is not split.
Preferably, in the step (3), the disinfection treatment is carried out for 30min by using a potassium permanganate solution with the mass fraction of 0.2%.
Preferably, in the step (4), during the cutting, the substrate is perforated before the cutting, and then the cutting is inserted, so that the skin of the cutting is prevented from being injured and rotten, and the cutting is ensured to be intact.
Preferably, in the step (5), the mass fraction of the carbendazim solution is 0.3%; the mass fraction of the urea solution is 0.5 percent.
Preferably, in step (5), the substrate is sterilized 2d before cuttage.
Further preferably, the cutting medium is clean river sand, and soil in the river sand is sieved and removed before use.
According to the technical scheme, the stem rejuvenation treatment of the scion stock plant, the selection and treatment of the cutting slips and the control of multiple aspects of cutting management are carried out, the bark holes are drilled out after 7-10 days of cutting, a large number of root systems are generated after 15 days, the transplanting can be carried out after 20-25 days, and the transplanting survival rate is up to more than 99%.
Drawings
FIG. 1 shows a rooting seedling of a cutting idesia polycarpa;
FIG. 2 shows the roots of rooted seedlings;
FIG. 3 shows the growth status of 15 Tianshan mountain tung tree;
FIG. 4 shows rooted shoots during mist spray application;
FIG. 5 shows the effect of hormone concentration on rooting rate;
FIG. 6 shows the effect of hormone concentration on rooting length;
FIG. 7 shows the effect of hormone concentration on the dry weight of rooting;
FIG. 8 shows the effect of hormone concentration on rooting surface area.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The idesia polycarpa cutting seedling method comprises the following steps:
(1) treating the scion stock plant: before germination in spring, the idesia polycarpa tree body is subjected to extreme heavy shearing, and branch management is performed after the idesia polycarpa tree body is sheared, so that the formation of spindly branches is prevented, the branch optimization and the branch filling are promoted, and the twig cuttage is facilitated;
(2) selection of robust cuttings: selecting a scion stock plant which grows fully, has full buds and no diseases and insect pests in the middle ten days of 7 months, and selecting young shoots which grow within 3 months and have the length of more than 15cm and grow and are not capped as cutting shoots to be treated;
(3) anti-pollution treatment of the cutting: 2-4 buds are reserved when cutting the cutting slips, 2 leaves are reserved and cut into halves, an upper cut is cut horizontally at a position 1-1.5cm above the buds, a lower cut is cut obliquely at a position 0.5cm below the buds, the cut is smooth and not split, and the length is 8-12 cm; bundling 30 cut cuttings, disinfecting by using a potassium permanganate solution with the mass fraction of 0.2%, and treating for 10s by using 2000mg/L IBA solution after 30 min;
(4) setting a cuttage pool: fresh river sand which is not used (needs to be changed once and cannot be recycled) is paved in the cuttage pool to be used as cuttage matrix, and soil in the river sand is screened out before use; and 2d before cuttage, the substrate is disinfected by using 500 times of carbendazim solution. And (4) cutting the cutting slips processed in the step (3) into a substrate, wherein the cutting depth is 1-2 cm. During cutting, the matrix is perforated before the cutting, and the cutting is inserted after the cutting, so that the skin of the cutting is prevented from being injured and rotten, and the cutting is ensured to be intact. And (3) sealing the cuttage pool by using a plastic film after cuttage, and arranging a shading net outside the plastic film for shading treatment.
(5) Cuttage management: spraying regularly by using a mist spraying device, and spraying for 12s every 6min in the day so as to keep the environmental humidity above 90%; spraying a carbendazim solution with the mass fraction of 0.3% for 1 time every 5 days after cuttage; spraying urea solution with mass fraction of 0.5% for 1 time every 5 days after the cutting shoots take root (figure 1-4).
Transplanting after 20 days of cuttage, the survival rate is more than 99%.
Example 2
The idesia polycarpa cutting seedling method comprises the following steps:
(1) treating the scion stock plant: before germination in spring, the idesia polycarpa tree body is subjected to extreme heavy shearing, and branch management is performed after the idesia polycarpa tree body is sheared, so that the formation of spindly branches is prevented, the branch optimization and the branch filling are promoted, and the twig cuttage is facilitated;
(2) selection of robust cuttings: selecting a scion stock plant which grows fully, has full buds and no diseases and insect pests in the middle ten days of 8 months, and selecting young shoots which grow within 3 months and have the length of more than 15cm and grow and are not capped as cutting shoots to be treated;
(3) anti-pollution treatment of the cutting: 2-4 buds are reserved when cutting the cutting slips, 2 leaves are reserved and cut into halves, an upper cut is cut horizontally at a position 1-1.5cm above the buds, a lower cut is cut obliquely at a position 0.5cm below the buds, the cut is smooth and not split, and the length is 8-12 cm; bundling 30 cut cuttings, disinfecting by using a potassium permanganate solution with the mass fraction of 0.2%, and treating for 10s by using 2000mg/L IBA solution after 30 min;
(4) setting a cuttage pool: fresh river sand which is not used (needs to be changed once and cannot be recycled) is paved in the cuttage pool to be used as cuttage matrix, and soil in the river sand is screened out before use; and 2d before cuttage, the substrate is disinfected by using 500 times of carbendazim solution. And (4) cutting the cutting slips processed in the step (3) into a substrate, wherein the cutting depth is 1-2 cm. During cutting, the matrix is perforated before the cutting, and the cutting is inserted after the cutting, so that the skin of the cutting is prevented from being injured and rotten, and the cutting is ensured to be intact. And (3) sealing the cuttage pool by using a plastic film after cuttage, and arranging a shading net outside the plastic film for shading treatment.
(5) Cuttage management: spraying regularly by using a mist spraying device, and spraying for 15s every 8min in the daytime to keep the environmental humidity above 90%; spraying a carbendazim solution with the mass fraction of 0.3% for 1 time every 5 days after cuttage; spraying urea solution with the mass fraction of 0.5% for 1 time every 5 days after the cutting shoots take root.
Example 3
The idesia polycarpa cutting seedling method comprises the following steps:
(1) treating the scion stock plant: before germination in spring, the idesia polycarpa tree body is subjected to extreme heavy shearing, and branch management is performed after the idesia polycarpa tree body is sheared, so that the formation of spindly branches is prevented, the branch optimization and the branch filling are promoted, and the twig cuttage is facilitated;
(2) selection of robust cuttings: selecting a stock plant which grows fully, has plump buds and no diseases and insect pests in late 8 months, and selecting strong root tillering sprouts which grow within 3 months and have the length of more than 15cm as cutting slips to be treated;
(3) anti-pollution treatment of the cutting: 2-4 buds are reserved when cutting the cutting slips, 2 leaves are reserved and cut into halves, an upper cut is cut horizontally at a position 1-1.5cm above the buds, a lower cut is cut obliquely at a position 0.5cm below the buds, the cut is smooth and not split, and the length is 10-12 cm; bundling 30 cut cuttings, disinfecting by using a potassium permanganate solution with the mass fraction of 0.2%, and treating for 10s by using 2000mg/L IBA solution after 30 min;
(4) setting a cuttage pool: fresh river sand which is not used (needs to be changed once and cannot be recycled) is paved in the cuttage pool to be used as cuttage matrix, and soil in the river sand is screened out before use; and 2d before cuttage, the substrate is disinfected by using 500 times of carbendazim solution. And (4) cutting the cutting slips processed in the step (3) into a substrate, wherein the cutting depth is 1-2 cm. During cutting, the matrix is perforated before the cutting, and the cutting is inserted after the cutting, so that the skin of the cutting is prevented from being injured and rotten, and the cutting is ensured to be intact. And (3) sealing the cuttage pool by using a plastic film after cuttage, and arranging a shading net outside the plastic film for shading treatment.
(5) Cuttage management: spraying regularly by using a mist spraying device, and spraying for 10s every 5min in the day so as to keep the environmental humidity above 90%; spraying a carbendazim solution with the mass fraction of 0.3% for 1 time every 5 days after cuttage; spraying urea solution with the mass fraction of 0.5% for 1 time every 5 days after the cutting shoots take root.
Example 4
The concentration of IBA solution is adjusted on the basis of example 1, and the rooting rate is counted after 15 days of cuttage, and the result is shown in figure 5. Except that the rooting rate of CK (without hormone) is 95.7%, the rooting rate of other treatments is 100%.
Example 5
The concentration of IBA solution is adjusted on the basis of example 1, and the length, dry weight and rooting surface area of the adventitious roots growing at different time after cuttage are counted, and the result is shown in figures 6-8, wherein the IBA2000mg/L cuttage rooting effect is best.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A method for raising seedlings of idesia polycarpa stem tip twigs by mist cutting is characterized by comprising the following steps:
(1) treating the scion stock plant: before spring germination, trimming and managing the idesia polycarpa tree body;
(2) selection of robust cuttings: selecting the scion stock plant which grows fully, has plump bud bodies and does not have diseases and insect pests for 6-8 months, and selecting young shoots or root tillering sprouts which grow within 3 months and have the length of more than 15cm as the cuttings to be treated;
(3) anti-pollution treatment of the cutting: 2-4 buds are reserved when the cutting is pruned, 2 leaves are reserved and cut into halves, and the length of the cutting is 8-12 cm;
disinfecting the cut cutting slips, and then treating for 10s by using 2000mg/L IBA solution;
(4) setting a cuttage pool: cutting the cutting slips into a substrate, sealing a cutting pool by using a plastic film, and arranging a shading net outside the plastic film for shading treatment; the cutting medium needs to be changed once, and cannot be recycled;
(5) cuttage management:
spraying regularly by using a mist spraying device, and spraying for 10-15s every 5-8min in the daytime to keep the environmental humidity above 90%;
spraying carbendazim solution for 1 time every 4-5 days after cuttage; spraying urea solution for 1 time every 4-5 days after the cutting shoots take root.
2. The method for raising seedlings of idesia polycarpa stem tip twigs by cutting in a mist manner according to claim 1, wherein in the step (2), the growing immature young shoots which are not capped or strong root tillering shoots are selected as the cutting shoots to be treated.
3. The method for raising seedlings of idesia polycarpa through stem tip twig by mist cutting as claimed in claim 1, wherein in the step (3), the upper cut is cut flatly at a position 1-1.5cm above the bud, the lower cut is cut obliquely at a position 0.5-0.8cm below the bud, and the cut is smooth and does not split.
4. The method for raising seedlings of idesia polycarpa by stem tip twig cutting through mist spraying according to claim 1,
in the step (3), the disinfection treatment is carried out for 30min by using a potassium permanganate solution with the mass fraction of 0.2%.
5. The method for raising seedlings of idesia polycarpa by stem tip twig cutting through mist spraying according to claim 1,
in the step (4), during cutting, the matrix is perforated before the cutting, and then the cutting is inserted, so that the skin of the cutting is prevented from being injured and rotten, and the cutting is ensured to be intact.
6. The method for raising seedlings of idesia polycarpa by stem tip twig cutting through mist spraying according to claim 1,
in the step (5), the mass fraction of the carbendazim solution is 0.3%; the mass fraction of the urea solution is 0.5 percent.
7. The method for raising seedlings of idesia polycarpa by stem tip twig cutting through mist spraying according to claim 1,
in the step (5), the substrate is disinfected 2 days before cuttage.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113853963A (en) * | 2021-11-01 | 2021-12-31 | 湖北山越山生态农业有限公司 | Tung jatropha hard branch film-covering cuttage method |
| CN115039580A (en) * | 2022-03-15 | 2022-09-13 | 中国科学院植物研究所 | Method for cutting propagation by using female plant idesia polycarpa branches in full bearing period |
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| CN103766128A (en) * | 2013-12-13 | 2014-05-07 | 李茂清 | Asexual rapid propagation method for idesia seedlings |
| CN106856945A (en) * | 2017-03-06 | 2017-06-20 | 四川森迪科技发展股份有限公司 | A kind of Idesia polycarpa cottage method |
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| CN103766128A (en) * | 2013-12-13 | 2014-05-07 | 李茂清 | Asexual rapid propagation method for idesia seedlings |
| CN106856945A (en) * | 2017-03-06 | 2017-06-20 | 四川森迪科技发展股份有限公司 | A kind of Idesia polycarpa cottage method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113853963A (en) * | 2021-11-01 | 2021-12-31 | 湖北山越山生态农业有限公司 | Tung jatropha hard branch film-covering cuttage method |
| CN115039580A (en) * | 2022-03-15 | 2022-09-13 | 中国科学院植物研究所 | Method for cutting propagation by using female plant idesia polycarpa branches in full bearing period |
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Application publication date: 20210312 |