CN108040728B - Cutting propagation method for female idesia polycarpa seedlings with latent bud germination branches - Google Patents
Cutting propagation method for female idesia polycarpa seedlings with latent bud germination branches Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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Abstract
The invention belongs to the technical field of idesia propagation and discloses a cutting propagation method for idesia female seedlings with latent bud germination branches, wherein the cutting propagation method for the idesia female seedlings with latent bud germination branches is characterized in that the cutting propagation method is implemented 7-10 days before the germination of female parent plants, the position 0.5cm above the latent bud of the base part of a branch growing for three years is incised, and cutting is prepared when the branch with the latent bud germination is semi-lignified; cutting 2 sections of the cutting slips into turf: vermiculite: perlite is mixed in a matrix of 2:1: 0.5. The method fully utilizes the idesia polycarpa latent bud to carry out the cutting propagation of the germination branch of the female seedling latent bud to obtain the female seedling required in production, solves the problems of small quantity of cutting slips of female-line branches, low rooting rate of common branch cutting, low propagation coefficient and separation of male and female, and ensures that the transplanted female seedling of idesia polycarpa in the field reaches 100 percent.
Description
Technical Field
The invention belongs to the technical field of idesia polycarpa propagation, and particularly relates to a idesia polycarpa female seedling latent bud germination branch cutting propagation method.
Background
The idesia polycarpa is a novel high-quality woody edible oil plant, and has wide development value due to the fact that fruits of the idesia polycarpa are rich in high linoleic acid. At present, the idesia polycarpa propagation in China is seed seedling propagation, the idesia polycarpa is a male and female variant plant, and the seed propagation can generate a large number of male plants, so that the fruiting rate of the idesia polycarpa is very low, and the economic benefit of the idesia polycarpa is seriously influenced. The idesia polycarpa has strong germination rate of terminal buds and very obvious apical advantages, so that a large number of latent buds are formed at the base of idesia polycarpa branches. The technology similar to the method is common female line branch cuttage and grafting technology. Although the common female branches can be used for propagating female plants through cutting propagation, the result of the idesia polycarpa is ensured, but the number of the common female branches of the idesia polycarpa is small, the common female branches are not easy to root, and the propagation coefficient is low; the idesia polycarpa grafting can keep the excellent characters of the female parent, ensure early fruiting and keep the excellent characters of the female parent, but has the disadvantages of high technical requirement difficulty, high cost and influenced industrialized cultivation.
In summary, the problems of the prior art are as follows: most of the idesia polycarpa propagation in China is seed propagation, the idesia polycarpa is a male and female variant plant, and the seedling propagation of the seeds can generate a large number of male plants, so that the fruiting rate of the idesia polycarpa is very low, and the economic benefit of the idesia polycarpa is seriously influenced; the sources of the common female idesia branch cutting cuttings are few, the common female idesia branch cutting cuttings are not easy to root, and the propagation coefficient is low; the grafting technology of idesia polycarpa is difficult, the cost is high, and the industrial cultivation is influenced.
The difficulty of solving is as follows: solves the problem of the quantity of cuttings for cuttage of female branches, the problems of low rooting rate and low propagation coefficient of the cuttage of common branches, and the problem of separation of male and female branches.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a cutting propagation method for female idesia polycarpa seedlings with latent bud germination branches.
The invention is realized in such a way that the cutting propagation method of the latently-germinated branches of female idesia seedlings is characterized in that the cutting propagation method of the latently-germinated branches of the female idesia seedlings cuts the root of the branch which grows for three years and is 0.5cm above the latently-germinated branch 7-10 days before the female parent plant sprouts. The latent buds at the base parts of the idesia polycarpa branches are not easy to germinate generally, but the growth capability of buds at the lower parts of wounds is promoted through incised wounds, the growth capability of buds at the upper parts of the wounds is inhibited, the germination capability of the latent buds is stimulated, and the latent buds at the base parts of the branches can be completely germinated; when the branches with the latent buds sprouting are semi-lignified, cuttage is prepared; cutting 2 sections of the cutting slips into turf with volume ratio: vermiculite: perlite is mixed in a matrix of 2:1: 0.5. The mixed matrix has water retention, air permeability and no bacteria, and can obviously improve the rooting capacity of the cuttings.
Further, the idesia polycarpa female seedling latent bud germination branch cutting propagation method comprises the following steps:
selecting excellent fruiting mother trees which are robust in growth, good in fruiting, disease and insect resistant and unobvious in the fruiting period of the big year and the small year, and are grown for more than 5 years;
step two, incising wounds at a position 0.5cm above the hidden bud of the base of a branch which grows for three years below 7 to 10 days before the female line mother plant sprouts to obtain a branch with a germinated hidden bud; when the branches with the latent buds sprouting are semi-lignified, the semi-lignified branches are cut for cuttage;
step three, dividing 3 sections of the cut latent bud germination branches into one section, performing horizontal shearing under the adjacent section, and removing 2/3 leaves to reduce water evaporation; cutting 2 sections of the cutting slips into turf with volume ratio: vermiculite: 1 section of perlite in a mixed matrix of 2:1:0.5 is exposed in the air; keeping the water content to be 90% of the maximum water holding capacity in the field and shading.
Further, the temperature in step three was 25 ℃.
The invention also aims to provide the idesia polycarpa bred by the idesia polycarpa female seedling latent bud germination branch cutting propagation method.
The invention has the advantages and positive effects that: the method fully utilizes the idesia polycarpa latent bud to carry out the cutting propagation of the germination branch of the latent bud of the female seedling, the age of the germination branch of the idesia polycarpa latent bud is small, the germination branch is easy to root, the propagation coefficient is high, the female seedling required in production is obtained, the problems of small quantity of cutting slips of the female branch, low rooting rate of common branch cutting, low propagation coefficient and separation of male and female are solved, and the transplanted female seedling of the idesia polycarpa in the field reaches 100%.
Drawings
Fig. 1 is a flow chart of a idesia female seedling latent bud sprouting branch cutting propagation method provided by the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The method can obtain female-line idesia polycarpa seedlings for mass production by the cuttage of the germination branches of the latent buds, solves the problem of low fruiting rate of female and male heteroplants of idesia polycarpa, and can be widely popularized on the large-scale development of idesia polycarpa.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
As shown in fig. 1, the method for cutting propagation of female idesia seedlings with latent bud germination branches provided by the embodiment of the present invention includes the following steps:
s101: selecting excellent fruiting mother trees which are robust in growth, good in fruiting, disease and insect resistant and unobvious in the fruiting period of the big year and the small year and grow for more than 5 years;
s102: incising wounds at a position 0.5cm above the hidden bud of the base of a branch which grows for three years below 7 to 10 days before the female line mother plant sprouts to obtain a large number of branches with latent buds; when the branches with the latent buds germinate are semi-lignified, the semi-lignified branches are cut for cuttage;
s103: cutting 3 sections of the cut latent bud germination branches into one section, performing horizontal cutting under the section, and removing 2/3 leaves to reduce water evaporation; cutting 2 sections of the cutting slips into turf with volume ratio: vermiculite: 1 section of perlite in a mixed matrix of 2:1:0.5 is exposed in the air; keeping the moisture to be 90% of the maximum field water capacity and shading; controlling the temperature to be about 25 ℃, and rooting after about 40 days; because the latent bud is in the vigorous growth active stage, the survival rate can reach more than 98 percent; because the germination branches of the latent buds come from the vegetative organs of the stock plant, the excellent characteristics of the stock plant can be maintained, and a large number of female line mallotus japonicus seedlings can be obtained.
The application of the principles of the present invention will now be described in further detail with reference to specific embodiments.
Example 1:
cuttage propagation of female idesia polycarpa seedlings with latent buds and germinated branches is developed in the Shaxi village of Lichuan city in Hubei province in 2013.
1. Selecting and reserving a fruiting mother plant: 3, 8 days in 2013, selecting a good fruiting mother tree which grows robustly, has good fruiting and is disease and insect resistant and has unobvious fruiting in big years of the old and the young in Shaxi village in Lichuan province of Hubei;
2. engraving: 3, 15 days in 2013, incising the selected fruiting mother plant at a position 0.5cm above the hidden bud of the base part of the branch below the three-year-old generation, and obtaining a large number of branches with germinated hidden buds in 4 and 15 days;
3. cutting the cuttings: 5, 15 days in month 5, half lignification of the branches with latent buds, and cutting the half lignified branches for cuttage;
4. cuttage and management: cutting 3 sections of the cut latent bud germination branches into one section, performing horizontal cutting under the section, and removing 2/3 leaves to reduce water evaporation; cutting 2 sections of the cutting slips into turf with volume ratio: vermiculite: 1 section of perlite in a mixed matrix of 2:1:0.5 is exposed in the air; keeping the moisture to be 90% of the maximum field water capacity and shading; controlling the temperature to be about 25 ℃, and rooting the cuttings after 6 months and 25 days; because the latent bud is in the vigorous growth active stage, the survival rate can reach more than 98 percent; because the germination branches of the latent buds come from the vegetative organs of the stock plant, the excellent characteristics of the stock plant can be maintained, and a large number of female line mallotus japonicus seedlings can be obtained.
Example 2:
the cuttage propagation of the female idesia polycarpa seedlings with latent buds and germinated branches is developed in the modern greenhouse of Hubei national academy of sciences in 2014.
1. Selecting and reserving a fruiting mother plant: 3, 1 days in 2014, selecting superior fruiting mother trees which grow robustly, have good fruiting, are resistant to diseases and insects, and have unobvious fruiting in big years and small years in the Yanxi village in Lichuan city in Hubei province;
2. engraving: 3, 8 days in 2014, incising wounds 0.5cm above the hidden buds of the bases of the branches of the selected fruiting mother plants below the three-year-old roots, and obtaining a large number of branches with the hidden buds sprouting in 8 days in 4 months;
3. cutting the cuttings: 5, 8 days in month and 8, semi-lignifying the branches with the latent buds, and shearing the semi-lignified branches for cuttage;
4. cuttage and management: cutting 3 sections of the cut latent bud germination branches into one section, performing horizontal cutting under the section, and removing 2/3 leaves to reduce water evaporation; cutting 2 sections of the cutting slips into turf with volume ratio: vermiculite: 1 section of perlite in a mixed matrix of 2:1:0.5 is exposed in the air; keeping the moisture to be 90% of the maximum field water capacity and shading; controlling the temperature to be about 25 ℃ for 18 days in 6 months, and rooting the cuttings; because the latent bud is in the active growth period, the survival rate can reach more than 98 percent.
Example 3:
in 2015, female idesia polycarpa seedlings dormant bud germination branch cutting propagation is developed in high gong-village and mountainous villages under Xuan-En in Hubei province.
1. Selecting and reserving a fruiting mother plant: selecting superior fruiting mother trees which grow robustly, have good fruiting, resist diseases and insects and have unobvious fruiting in big and small years in high gong and village and mountainous villages in Xuan of Hubei province within 2015 and 28 days of 2 months;
2. engraving: 3, 1 month and 2015, incising the selected fruiting mother plant at a position 0.5cm above the hidden bud of the base of the branch below the three-year-old growth, and obtaining a large number of branches with germinated hidden buds 1 month and 4 days;
3. cutting the cuttings: 5, 1 day in 5 months, semi-lignifying the branches with the latent buds, and shearing the semi-lignified branches for cuttage;
4. cuttage and management: cutting 3 sections of the cut latent bud germination branches into one section, performing horizontal cutting under the section, and removing 2/3 leaves to reduce water evaporation; cutting 2 sections of the cutting slips into turf with volume ratio: vermiculite: 1 section of perlite in a mixed matrix of 2:1:0.5 is exposed in the air; keeping the moisture to be 90% of the maximum field water capacity and shading; controlling the temperature to be about 25 ℃ for 12 days in 6 months, and rooting the cuttings; because the latent bud is in the active growth period, the survival rate can reach more than 98 percent.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. A cutting propagation method for female idesia polycarpa seedlings with latent bud germination branches is characterized in that the cutting propagation method for female idesia polycarpa seedlings with latent bud germination branches is characterized in that cutting is conducted 7-10 days before female line stock plants germinate, the position 0.5cm above the latent bud of the base of a branch which grows for three years is cut, and cutting is prepared when the branch with latent bud germination is semi-lignified; cutting 2 sections of the cutting slips into turf with volume ratio: vermiculite: perlite is mixed with a matrix of 2:1: 0.5;
the cutting propagation method for the female idesia polycarpa seedlings with latent buds and germinated branches comprises the following steps:
selecting excellent fruiting mother trees which are robust in growth, good in fruiting, disease and insect resistant and unobvious in the fruiting period of the big year and the small year, and are grown for more than 5 years;
step two, incising wounds at a position 0.5cm above the hidden bud of the base of a branch which grows for three years below 7 to 10 days before the female line mother plant sprouts to obtain a branch with a germinated hidden bud; when the branches with the latent buds sprouting are semi-lignified, the semi-lignified branches are cut for cuttage;
step three, dividing 3 sections of the cut latent bud germination branches into one section, performing horizontal shearing under the adjacent section, and removing 2/3 leaves to reduce water evaporation; cutting 2 sections of the cutting slips into turf with volume ratio: vermiculite: 1 section of perlite in a mixed matrix of 2:1:0.5 is exposed in the air; keeping the moisture to be 90% of the maximum field water capacity and shading;
the temperature in the third step is 25 ℃;
according to the idesia polycarpa female seedling latent bud germinating branch cutting propagation method, the idesia polycarpa latent bud is fully utilized to perform female seedling latent bud germinating branch cutting propagation, the idesia polycarpa latent bud germinating branch is small in age and easy to root, and the propagation coefficient is high.
2. A idesia polycarpa bred by the cutting propagation method of the female idesia polycarpa seedling latent bud germination branches of claim 1.
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| CN103583110B (en) * | 2013-11-29 | 2014-09-10 | 重庆山林源林业综合开发有限公司 | Idesia polycarpa Maxim. breeding method |
| CN103766128A (en) * | 2013-12-13 | 2014-05-07 | 李茂清 | Asexual rapid propagation method for idesia seedlings |
| CN103999705B (en) * | 2014-06-11 | 2016-06-08 | 河北农业大学 | Bud carving method for lateral super-long branches of high-grafting pear trees |
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| CN107125137A (en) * | 2017-06-19 | 2017-09-05 | 四川森迪科技发展股份有限公司 | A kind of fast breeding method of Idesia polycarpa sapling |
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