CN116250445A - Method for dwarfing and strengthening north american holly potted seedlings - Google Patents
Method for dwarfing and strengthening north american holly potted seedlings Download PDFInfo
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- CN116250445A CN116250445A CN202310188222.XA CN202310188222A CN116250445A CN 116250445 A CN116250445 A CN 116250445A CN 202310188222 A CN202310188222 A CN 202310188222A CN 116250445 A CN116250445 A CN 116250445A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000005728 strengthening Methods 0.000 title claims abstract description 16
- 240000002618 Ilex opaca Species 0.000 title claims abstract description 14
- 235000006823 Ilex opaca var arenicola Nutrition 0.000 title claims abstract description 14
- 235000006824 Ilex opaca var opaca Nutrition 0.000 title claims abstract description 14
- 241000196324 Embryophyta Species 0.000 claims abstract description 40
- RMOGWMIKYWRTKW-UONOGXRCSA-N (S,S)-paclobutrazol Chemical compound C([C@@H]([C@@H](O)C(C)(C)C)N1N=CN=C1)C1=CC=C(Cl)C=C1 RMOGWMIKYWRTKW-UONOGXRCSA-N 0.000 claims abstract description 36
- 239000005985 Paclobutrazol Substances 0.000 claims abstract description 36
- 238000011282 treatment Methods 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 230000012010 growth Effects 0.000 claims abstract description 12
- 241000209035 Ilex Species 0.000 claims description 32
- 235000003325 Ilex Nutrition 0.000 claims description 24
- 239000003337 fertilizer Substances 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000000618 nitrogen fertilizer Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 230000004720 fertilization Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000004382 potting Methods 0.000 claims description 4
- 238000013138 pruning Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 239000001963 growth medium Substances 0.000 claims description 2
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims 1
- 240000001238 Gaultheria procumbens Species 0.000 abstract description 2
- 235000007297 Gaultheria procumbens Nutrition 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 abstract description 2
- 235000008706 Ilex latifolia Nutrition 0.000 abstract 1
- 244000078118 Ilex latifolia Species 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 241000220289 Pedunculata Species 0.000 description 7
- 235000013399 edible fruits Nutrition 0.000 description 6
- 235000003332 Ilex aquifolium Nutrition 0.000 description 5
- 235000002296 Ilex sandwicensis Nutrition 0.000 description 5
- 235000002294 Ilex volkensiana Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008635 plant growth Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 244000037666 field crops Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229930191978 Gibberellin Natural products 0.000 description 1
- 235000003338 Ilex verticillata Nutrition 0.000 description 1
- 244000188413 Ilex verticillata Species 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 description 1
- 239000003448 gibberellin Substances 0.000 description 1
- 239000007954 growth retardant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000004563 wettable powder Substances 0.000 description 1
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a method for dwarfing and strengthening north american holly potted seedlings, and relates to the technical field of north american holly potted planting. The method for dwarfing and strengthening the north american potted winter green seedlings comprises seedling transplanting and drying, paclobutrazol solution application concentration and spraying method and cultivation management in the first three years. The invention overcomes the defects of the prior art, and adopts a specific paclobutrazol concentration and treatment method to carry out the cultivation and management of the potted plant of the ilex latifolia, and the method can effectively inhibit the plant height, control the growth of branches, shorten the pitch spacing of the branches and ensure the compactness and the robustness of the potted plant type.
Description
Technical Field
The invention relates to the technical field of potted planting of holly in North America, in particular to a method for dwarfing and strengthening the potted seedling of holly in North America.
Background
North America ilex (Ilexverillata) is a well-known fruit-viewing and branch-cutting tree species, the most remarkable feature of which is the dense and bright red fruit with branches. At present, the domestic potted holly products in North America are deficient in cultivation management technology, and have the problems of compact plant type, low fruit density, low fruit bearing quantity and the like. The new shoots of the ilex pedunculata have large growth quantity in North America, and more secondary branches and tertiary branches can cause early crown closing, so that flower bud formation is reduced, and plant type and fruiting condition are seriously affected. If the artificial shaping and pruning are only relied on, a large amount of manpower and material resources are consumed, and the normal growth of plants can be influenced due to the excessive amount of the thinned branches, so that the expected ornamental effect of potted seedlings can not be achieved finally.
Paclobutrazol (Paclokutrazol) as a plant growth retardant can regulate the anabolism of endogenous gibberellin of plants, has the physiological effects of dwarfing plants, delaying plant growth, improving stress resistance of plants and the like, and is widely applied to the production of field crops, fruit trees, vegetables and the like. In field crops, the application of paclobutrazol can reduce plant height, shorten stem length, increase stem thickness, increase leaf number, improve crop yield and reduce crop lodging.
At present, researches and results of applying plant growth retarders in cultivation and management of potted seedlings of North American ilex pedunculata are few, and although the application of paclobutrazol directly to the potted North American ilex pedunculata plays a role in dwarfing plants to a certain extent, the application of paclobutrazol also easily causes uneven growth of the North American ilex pedunculata and seriously affects ornamental value of the potted plants, and patent No. 201610038623.7 discloses a fertilizing method for increasing fruit diameter and improving quality of the potted plants of the North American ilex pedunculata by a specific paclobutrazol fertilizing mode, so that the potted fruits are large and dense, but the effect of the paclobutrazol on the dwarfed seedlings of the North American ilex pedunculata is not mentioned, namely, the regulation effect of the potted plants cannot be determined.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for dwarfing and strengthening potted seedlings of North American ilex, which adopts a specific fertilization method to carry out the potted planting of North American ilex, and the fertilization method can effectively inhibit plant height, control branch growth, shorten branch section distance and make the potted plant type compact and robust.
In order to achieve the above object, the technical scheme of the present invention is realized by the following technical scheme:
a method for dwarfing and strengthening north american holly potted seedlings, which comprises the following steps:
(1) Basin on north american ilex seedling: selecting 1-year-old North American ilex seedlings which grow well and have consistent growth vigor, and transplanting the seedlings into root-controlling pots, wherein each pot is 1 plant;
(2) Paclobutrazol administration: cutting off the trunk of the ilex plant to 10-15cm before spring beginning in the first year, when the newly germinated branches grow to 4-5cm in spring, applying paclobutrazol solution for the 1 st time by adopting a foliar spray treatment method, applying again at intervals of 7 days, treating for 3 times in total, and applying 15ml each time to each pot;
(3) And (3) fertilization management: applying a compound nitrogen fertilizer for 1 time in 4 months of the first year, applying a slow release fertilizer for 1 time from the bottom of 8 months to the last 9 months, and applying a long-acting slow release fertilizer before winter;
(4) And (5) management in the second year: pruning again before spring in the next year, leaving annual branches for 5cm, spraying paclobutrazol solution 3 times according to the mode of the step (2) when annual branches sprout for 4-5cm, wherein each time is separated by 7 days, and fertilization management is the same as that of the step (3);
(5) And (3) management in the third year: in the third year, the male-female ratio of 1:9 is adopted for matched planting, and the compound nitrogen fertilizer is applied for 1 time from the bottom of 8 months to the last 9 months.
Preferably, the root-controlling basin transplanted in the step (1) is a container with the specification of 30cm multiplied by 25cm, and the potting matrix is nutrient soil.
Preferably, the concentration of the paclobutrazol dissolved solution is 1000mg/L, and the spraying time is that after four afternoon, a pressure type spray can is selected for application.
Preferably, in the step (5), the fertilizer is not applied before the third year of potted plants bloom, so that the culture medium is in a low-fertilizer state.
Preferably, in the step (5), the male plants are uniformly distributed in the female plants during the matched planting.
Preferably, the pot culture period of the North American ilex is 3 years.
Preferably, the planting and fertilizing mode of the north american holly pot cultivated in the three years in the step (5) in the fourth year is the same as that in the step (3).
The invention provides a method for dwarfing and strengthening north american holly potted seedlings, which has the advantages compared with the prior art that:
the method for dwarfing and strengthening the potted seedling of the North American ilex provided by the invention can effectively inhibit the longitudinal growth of the winter green seedling, reduce the plant height, shorten the newly germinated branches, strengthen the stems of the plants, effectively and uniformly adjust the column shape of the North American ilex, and promote the beauty and ornamental value of the potted plant.
Drawings
FIG. 1 is a bar chart of plant height of a North American ilex winter red potted plant after paclobutrazol treatment according to the embodiment of the present invention;
FIG. 2 shows the conditions of branch length (a), internode length (b) and stem thickness (c) of the potted plant of North American ilex winter red after paclobutrazol treatment according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
test materials: 1-year-old North American ilex pedunculata ' (Ilex verticillata ' winter Red ') seedlings with good growth and consistent growth vigor are selected and transplanted into root-controlling pots, the container specification is 30cm multiplied by 25cm, and potting matrix is nutrient soil, and each pot is 1 plant.
The applied retarder is paclobutrazol (15% wettable powder, sichuan optical agrochemicals Co.).
And (3) test design: the test has total 4 paclobutrazol treatment concentrations of 1000mg/L (PP 1), 2000mg/L (PP 2), 3000mg/L (PP 3) and 4000mg/L (PP 4), and clear water treatment (CK) is used as a control group.
The operation steps are as follows: before germination in spring, cutting off the trunk of the ilex plant to 10-15cm, and when the newly germinated branches in spring grow to 4-5cm, applying paclobutrazol for the 1 st time, applying again at intervals of 7 days, and treating for 4 times. Adopting a foliar spraying treatment method, wherein the spraying time is 4 pm, a pressure spray can is selected for carrying out the spraying, each basin is applied with 15ml, each basin is treated, and the spraying is repeated for 3 times;
applying a compound nitrogen fertilizer for 1 time in 4 months of the first year, applying a slow release fertilizer for 1 time from the bottom of 8 months to the last 9 months, and applying a long-acting slow release fertilizer before winter;
pruning again before spring beginning in the second year, leaving annual branches for 5cm, adopting a foliar spraying treatment method when annual branches sprout for 4-5cm, wherein the spraying time is 4 pm in the morning, adopting a pressure spray can for spraying, each time of spraying 20ml of medicine for each pot, and each time of treating 10 pots for 3 times; and applying a compound nitrogen fertilizer for 1 time in 4 months of the next year, applying a slow release fertilizer for 1 time from the bottom of 8 months to the last 9 months, and applying a long-acting slow release fertilizer before winter;
in the third year, the male-female ratio of 1:9 is adopted for matched planting, and the compound nitrogen fertilizer is applied for 1 time from the bottom of 8 months to the last 9 months.
The growth vigor of the potted north american ilex is detected:
the experiment shows that the paclobutrazol can effectively inhibit the growth of the potted plant of the winter red of the North American ilex, the plant height is obviously shortened, the length of a new branch is obviously shortened, and the stem is obviously thickened by applying the paclobutrazol according to the method, which proves that the paclobutrazol can effectively inhibit the growth of the ilex Miao Zongxiang, so that the plant height is reduced, the new sprouted branch is shortened, and the stem of the plant can be strengthened.
Meanwhile, the treatment of different paclobutrazol concentrations has no obvious difference, the plant height of the paclobutrazol sprayed at the concentration of 1000mg/L is reduced by 15.79%, which indicates that the potting dwarfing of the holly in North America can be successfully realized by applying paclobutrazol at the low concentration (1000 mg/L).
As can be seen from fig. 1, the plant height (P < 0.05) can be significantly reduced by the paclobutrazol spray leaf treatment at different concentrations compared with the control, and the dwarfing effect difference between the different treatments is not significant. When the concentration of paclobutrazol is 1000mg/L, the plant height is reduced by 15.79 percent, and when the concentration of paclobutrazol is 4000mg/L, the plant height is reduced by 20.42 percent, and in general, the dwarfing effect of treating the potted plant seedlings of the holly by adopting the paclobutrazol spraying method is better.
As can be seen from figure 2, each treatment with paclobutrazol significantly reduced the length of the shoots (P < 0.05) compared to the control, the treatment with different concentrations had a minimum length of 40.87mm and a maximum length of 45.07mm. Compared with the control, the internode number of the branches under the paclobutrazol treatment is not significantly different, the internode length is shortened by 25.67% -29.69%, and the internode length of the branches under the 4000mg/L paclobutrazol treatment is significantly shortened (P < 0.05). For stem thickness, paclobutrazol treatment significantly increased stem thickness (P < 0.05), and increased stem thickness by 20.20% -26.06%.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The method for dwarfing and strengthening the north american holly potted seedling is characterized by comprising the following steps of:
(1) Basin on north american ilex seedling: selecting 1-year-old North American ilex seedlings which grow well and have consistent growth vigor, and transplanting the seedlings into root-controlling pots, wherein each pot is 1 plant;
(2) Paclobutrazol administration: cutting off the trunk of the ilex plant to 10-15cm before spring beginning in the first year, when the newly germinated branches grow to 4-5cm in spring, applying paclobutrazol solution for the 1 st time by adopting a foliar spray treatment method, applying again at intervals of 7 days, treating for 3 times in total, and applying 15ml each time to each pot;
(3) And (3) fertilization management: applying a compound nitrogen fertilizer for 1 time in 4 months of the first year, applying a slow release fertilizer for 1 time from the bottom of 8 months to the last 9 months, and applying a long-acting slow release fertilizer before winter;
(4) And (5) management in the second year: pruning again before spring in the next year, leaving annual branches for 5cm, spraying paclobutrazol solution 3 times according to the mode of the step (2) when annual branches sprout for 4-5cm, wherein each time is separated by 7 days, and fertilization management is the same as that of the step (3);
(5) And (3) management in the third year: in the third year, the male-female ratio of 1:9 is adopted for matched planting, and the compound nitrogen fertilizer is applied for 1 time from the bottom of 8 months to the last 9 months.
2. The method for dwarfing and strengthening north american holly pot seedlings according to claim 1, wherein the method comprises the following steps: the root control basin transplanted in the step (1) is a container with the specification of 30cm multiplied by 25cm, and the potting matrix is nutrient soil.
3. The method for dwarfing and strengthening north american holly pot seedlings according to claim 1, wherein the method comprises the following steps: the concentration of the paclobutrazol dissolved solution is 1000mg/L, and the spraying time is that the paclobutrazol is applied by selecting a pressure type spray can after four pm days.
4. The method for dwarfing and strengthening north american holly pot seedlings according to claim 1, wherein the method comprises the following steps: and (3) in the step (5), fertilizer is not applied before flowering of the potted plant in the third year, so that the culture medium is in a low-fertilizer state.
5. The method for dwarfing and strengthening north american holly pot seedlings according to claim 1, wherein the method comprises the following steps: and (3) uniformly distributing the male plants in the female plants in the step (5) during the matched planting.
6. The method for dwarfing and strengthening north american holly pot seedlings according to claim 1, wherein the method comprises the following steps: the culture period of the potted North American ilex is 3 years.
7. The method for dwarfing and strengthening north american holly pot seedlings according to claim 1, wherein the method comprises the following steps: and (3) the planting and fertilizing mode of the cultivated North American ilex potted plant in the third year in the step (5) is the same as that in the step (3).
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105493726A (en) * | 2016-01-21 | 2016-04-20 | 杭州润土园艺科技有限公司 | Fertilization method for enlarging fruits and improving quality of potted ilex verticillata |
| CN109328814A (en) * | 2018-09-28 | 2019-02-15 | 中南林业科技大学 | A kind of ilex verticillata method for potted |
| CN112997795A (en) * | 2021-03-04 | 2021-06-22 | 云南海达新生态环境建设有限公司 | Method for improving branch drawing rate of ilex verticillata |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105493726A (en) * | 2016-01-21 | 2016-04-20 | 杭州润土园艺科技有限公司 | Fertilization method for enlarging fruits and improving quality of potted ilex verticillata |
| CN109328814A (en) * | 2018-09-28 | 2019-02-15 | 中南林业科技大学 | A kind of ilex verticillata method for potted |
| CN112997795A (en) * | 2021-03-04 | 2021-06-22 | 云南海达新生态环境建设有限公司 | Method for improving branch drawing rate of ilex verticillata |
Non-Patent Citations (3)
| Title |
|---|
| 兰雪涵;苑景淇;付聪;于忠亮;李成宏;马秀梅;杜凤国;: "北美冬青研究现状及开发利用对策", 南方农业, no. 11, 15 April 2020 (2020-04-15), pages 21 * |
| 王三根: "植物生长调节剂在林果生产中的应用", vol. 1, 31 August 2003, 金盾出版社, pages: 50 * |
| 蔡建国等: "多效唑对盆栽北美冬青的矮化效应", 福建林业科技, vol. 41, no. 3, 30 September 2014 (2014-09-30), pages 36 - 39 * |
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