CN108719304B - Growth regulator for cultivating strong seedlings of photinia serrulata and method for cultivating strong seedlings - Google Patents
Growth regulator for cultivating strong seedlings of photinia serrulata and method for cultivating strong seedlings Download PDFInfo
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- CN108719304B CN108719304B CN201810487415.4A CN201810487415A CN108719304B CN 108719304 B CN108719304 B CN 108719304B CN 201810487415 A CN201810487415 A CN 201810487415A CN 108719304 B CN108719304 B CN 108719304B
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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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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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
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/26—Phosphorus; Compounds thereof
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Abstract
The invention provides a growth regulator for cultivating strong seedlings of a photinia fraseri and a method for cultivating strong seedlings, wherein the growth regulator special for the photinia fraseri is prepared by using 1L of distilled water, 0.05-0.1g of paclobutrazol, 0.05-0.1g of sodium silicate and 0.05-0.1g of monopotassium phosphate. The seedling strengthening method comprises the following steps: (1) selecting 1-year-old sowing seedlings; (2) preparing a mixed growth regulator; (3) in 3 months, 5 months, 7 months and 9 months of each year, 350ml of mixed growth regulator is irrigated into the roots of each seedling of the photinia serrulata; (4) spraying 0.015-0.025g/L gibberellin solution to the whole plant of the Phoebe sinensis seedling every 4 months, 6 months, 8 months and 10 months; (5) meanwhile, shading treatment is carried out when the daily average temperature in summer reaches 30 ℃ every year until the daily average temperature is lower than 30 ℃; the strong seedling method is continuously implemented for 3 years, the survival rate of the photinia fraseri seedlings can be greatly improved, and the strong photinia fraseri seedlings can be cultivated.
Description
Technical Field
The invention belongs to the technical field of plant cultivation, and particularly relates to the field of strong seedling cultivation of plants.
Background
The Phoebe Photinia is evergreen tree species of Phoebe of Lauraceae, is a more cold-resistant one of the Machilus, and is naturally distributed in mountain broad-leaved forest with south-sea level of 1000m below Yangtze river basin. The phoebe nanmu is not only known to be excellent in material, but also is an excellent landscaping tree species.
At present, research on the photinia serrulata is less at home and abroad, reports on how to cultivate strong seedlings of the photinia serrulata are less, and popularization and application of the photinia serrulata are restricted. In the prior art, only the technology of cultivating and fertilizing the photinia fraseri is adopted, but the survival rate of the photinia fraseri seedlings is only 10% -15%, the survival rate is too low, the cultivation technology of strong photinia fraseri seedlings is lacked, and serious defects exist.
Disclosure of Invention
In order to solve the problems, the invention discloses a technology for improving the survival rate of the photinia fraseri seedlings and cultivating the stronger photinia fraseri seedlings.
A growth regulator for cultivating strong seedlings of photinia serrulata comprises the following components: 1L of distilled water, 0.05-0.1g of paclobutrazol, 0.05-0.1g of sodium silicate and 0.05-0.1g of monopotassium phosphate. The mass ratio of the paclobutrazol to the sodium silicate to the monopotassium phosphate is 1:1: 1.
A method for cultivating strong seedlings by using Phoebe sheareri comprises the following steps:
(1) selecting nursery stocks: selecting 1-year-old sowing seedlings;
(2) preparation of mixed growth regulator: dissolving 0.05-0.1g of paclobutrazol, 0.05-0.1g of sodium silicate and 0.05-0.1g of monopotassium phosphate into 1L of distilled water together to prepare a mixed growth regulator with the concentration of 0.15-0.3 g/L;
(3) root irrigation mixed growth regulator: in 3 months, 5 months, 7 months and 9 months of each year, selecting evening in non-rainy days, and irrigating 350ml of mixed growth regulator for the roots of each seedling of the photinia serrulata;
(4) spray treatment: 4, 6, 8 and 10 months per year, namely 1 month after the root irrigation mixed growth regulator in the step (3), spraying the whole plant of the Photinia fraseri seedling by adopting 0.015-0.025g/L gibberellin solution in the evening of non-rainy days;
(5) shading treatment: shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃; the light-shielding treatment intensity was 35%.
Preferably, in the step (4), the spraying is stopped when the solution flows down along the leaves and the stems of the phoebe nanmu during the spraying treatment.
Preferably, the method is carried out for 3 years, namely, the 1-year-old phoebe nanmu seedlings are subjected to strong seedling treatment according to the method until the seedlings are 4-year-old seedlings.
The growth regulator for cultivating strong seedlings of the photinia fraseri and the method for cultivating strong seedlings provided by the invention have the following beneficial effects:
(1) the growth regulator is developed aiming at the characteristics of the Phoebe sheareri seedlings, and is prepared by mixing paclobutrazol, sodium silicate and potassium dihydrogen phosphate with distilled water according to a certain proportion; the preparation process of the regulator is simple, and the used raw materials are low in price, so that the low price of the regulator can be ensured; meanwhile, the regulator can achieve the effect of strengthening seedlings;
(2) the method for cultivating strong seedlings of the photinia fraseri is provided, and the survival rate of the photinia fraseri seedlings can be greatly improved by shading in the growing season;
(3) in the growing season, the alternate treatment of root irrigation mixed growth regulator and gibberellin spraying is carried out, so that the increase of the ground diameter of the photinia fraseri seedlings can be promoted, and the inhibition effect of the mixed growth regulator on the height of the photinia fraseri seedlings can be counteracted to the maximum extent;
(4) in the growing season, the alternate treatment of root irrigation mixed growth regulator and gibberellin spraying is carried out while shading treatment is carried out, so that the survival rate of the photinia fraseri seedlings can be greatly improved, and robust photinia fraseri seedlings can be cultivated.
Detailed Description
Example one
A method for cultivating strong seedlings by using Phoebe sheareri comprises the following steps:
(1) selecting nursery stocks: selecting 1-year-old sowing seedlings;
(2) preparation of mixed growth regulator: dissolving 0.05g of paclobutrazol, 0.05g of sodium silicate and 0.05g of monopotassium phosphate in 1L of distilled water together to prepare a mixed growth regulator with the concentration of 0.15 g/L;
(3) root irrigation mixed growth regulator: in 3 months, 5 months, 7 months and 9 months of each year, in the evening of non-rainy days, filling 300ml of mixed growth regulator into the roots of each young seedling of the photinia serrulata;
(4) spray treatment: 4, 6, 8 and 10 months each year, namely 1 month after the root irrigation mixed growth regulator in the step (3), spraying the whole plant of the Phoebe guianensis seedling by adopting 0.02g/L gibberellin solution in the evening of non-rainy days, and stopping spraying when the leaves and the stem of the Phoebe guianensis along the solution flow downwards;
(5) shading treatment: shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃, and the shading intensity in the whole process is 15%;
(6) treatment time: the treatment was continued for 3 years according to the method.
Example two
The cultivation steps (1) - (4) of the method for cultivating strong seedlings of the photinia fraseri are the same as those in the first embodiment, the shading strength of the whole cultivation step (5) is 25%, and the rest is the same as those in the first embodiment.
EXAMPLE III
The cultivation steps (1) - (4) of the method for cultivating strong seedlings of the photinia fraseri are the same as those in the first embodiment, the whole shading intensity in the cultivation step (5) is 35%, and the rest is the same as those in the first embodiment.
Example four
The cultivation steps (1) - (4) of the method for cultivating strong seedlings of the photinia fraseri are the same as those in the first embodiment, the shading strength of the whole cultivation step (5) is 45%, and the rest is the same as those in the first embodiment.
EXAMPLE five
The cultivation steps (1) - (4) of the method for cultivating strong seedlings of the photinia fraseri are the same as those in the first embodiment, the whole shading intensity in the cultivation step (5) is 55%, and the rest is the same as those in the first embodiment.
EXAMPLE six
A method for cultivating strong seedlings by using Phoebe sheareri comprises the following steps:
(1) selecting nursery stocks: selecting 1-year-old sowing seedlings;
(2) preparation of mixed growth regulator: dissolving 0.1g of paclobutrazol, 0.1g of sodium silicate and 0.1g of monopotassium phosphate in 1L of distilled water together to prepare a mixed growth regulator with the concentration of 0.3 g/L;
(3) root irrigation mixed growth regulator: in 3 months, 5 months, 7 months and 9 months of each year, in the evening of non-rainy days, filling 300ml of mixed growth regulator into the roots of each young seedling of the photinia serrulata;
(4) spray treatment: 4, 6, 8 and 10 months each year, namely 1 month after the root irrigation mixed growth regulator in the step (3), spraying the whole plant of the Phoebe guianensis seedling by adopting 0.02g/L gibberellin solution in the evening of non-rainy days, and stopping spraying when the leaves and the stem of the Phoebe guianensis along the solution flow downwards;
(5) shading treatment: shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃, and the shading intensity in the whole process is 15%;
(6) treatment time: the treatment was continued for 3 years according to the method.
EXAMPLE seven
The cultivation steps (1) - (4) of the method for cultivating strong seedlings of the photinia fraseri are the same as those in the sixth embodiment, the whole shading intensity in the cultivation step (5) is 25%, and the rest is the same as those in the sixth embodiment.
Example eight
The cultivation steps (1) - (4) of the method for cultivating strong seedlings of the photinia fraseri are the same as those in the sixth embodiment, the whole shading intensity in the cultivation step (5) is 35%, and the rest is the same as those in the sixth embodiment.
Example nine
The cultivation steps (1) - (4) of the method for cultivating strong seedlings of the photinia fraseri are the same as those in the sixth embodiment, the whole shading strength in the cultivation step (5) is 45%, and the rest is the same as those in the sixth embodiment.
Example ten
The cultivation steps (1) - (4) of the method for cultivating strong seedlings of the photinia fraseri are the same as those in the sixth embodiment, the whole shading intensity in the cultivation step (5) is 55%, and the rest is the same as those in the sixth embodiment.
In order to verify the effectiveness of the method, 1440 1-year-old Photinia fraseri seedlings are selected and randomly divided into 18 groups, namely, 80 1-year-old Photinia fraseri seedlings in each group. 1440 phoebe nanus seedlings are planted in the same nursery land and are subjected to synchronous fertilization and watering cultivation for 3 years, and the synchronous cultivation technology is specifically referred to as the part of ' 4 forestation ' published in ' nan hui forestry science, 2004, phase 1 ' phoebe cultivation technology '. And counting the survival plants and trees after 3 years, measuring the ground diameter and the height of the seedlings, and calculating the average value. The strong seedlings of 18 groups were treated as follows:
1. control groups 0-1: the nursery land is not shaded in summer, and the plant growth regulator is not applied in the growing period;
2. control groups 0-2: the treatment was carried out by referring to the steps (1) to (4) in example one, but the light was not blocked in summer;
3. control groups 0-3: the treatment was carried out by referring to the steps (1) to (4) in example six, but the light was not blocked in summer.
4. Control group 1: the plant growth regulator is not applied in the growing period, and shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃, and the shading strength in the whole process is 15%;
5. experimental groups 1-1: processing in the manner of example one;
6. experimental groups 1-2: the treatment was carried out in the manner described in example six.
7. Control group 2: the plant growth regulator is not applied in the growing period, and shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃, and the shading strength in the whole process is 25%;
8. experimental group 2-1: the treatment was carried out in the manner described in example two;
9. experimental groups 2-2: the procedure of example seven was used for the treatment.
10. Control group 3: the plant growth regulator is not applied in the growing period, and shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃, and the shading strength in the whole process is 35%;
11. experimental group 3-1: the treatment was carried out in the manner described in example three;
12. experimental groups 3-2: the treatment was carried out in the manner as in example eight.
13. Control group 4: the plant growth regulator is not applied in the growing period, and shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃, and the shading strength in the whole process is 45%;
14. control group 4-1: the treatment was carried out in the manner described in example four;
15. control group 4-2: the procedure is as in example nine.
16. Control group 5: the plant growth regulator is not applied in the growing period, and shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃, and the shading strength in the whole process is 55%;
17. control group 5-1: the treatment was carried out in the manner described in example five;
18. control group 5-2: the procedure was followed as in example ten.
The experimental data of each index of the above 18 groups of strong seedlings after the treatment lasts for 3 years are shown in the following table 1:
TABLE 1 comparison of growth indexes of 4-year-old Photinia fraseri seedlings treated differently
As can be seen from table 1, the light shading treatment is not performed, the death of the phoebe nanmu seedlings is easily caused by the direct high-temperature and strong light in summer, the light shading degree is too high, the photosynthesis of the phoebe nanmu seedlings is not facilitated, and the cultivation of sound phoebe nanmu seedlings is not facilitated. The survival rate of the photinia fraseri seedlings can be improved by shading treatment in summer, the shading degree is within the range of 25-35%, and the seedlings grow ideally. Particularly, the light shading treatment is carried out by 35 percent, the survival rate of the photinia fraseri seedlings is 100 percent, and the treatment is superior to other light shading treatment and contrast.
In the growing season, the alternate action of the mixed growth regulator of root irrigation and the spraying of gibberellin obviously promotes the increase of the ground diameter of the photinia fraseri seedlings, and also counteracts the inhibiting effect of the mixed growth regulator on the plant height of the photinia fraseri seedlings to the maximum extent. The test result shows that the ground diameter of the seedlings is thinner without applying the mixed growth regulator, and the plant height is obviously inhibited although the ground diameter thickening effect is good when the concentration of the mixed growth regulator is too high. In conclusion, the application of the mixed growth regulator with the concentration of 0.05g/L and the matching of spraying gibberellin can greatly promote the increase of the ground diameter and reduce the plant height, so the method is a relatively suitable treatment method.
In conclusion, the treatment of shading for 35% in summer, the mixed growth regulator with the concentration of 0.05g/L is irrigated to roots in 3 months, 5 months, 7 months and 9 months every year, and gibberellin is sprayed in 4 months, 6 months, 8 months and 10 months every year, so that relatively strong photinia fraseri seedlings can be successfully cultured.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, i.e., all equivalent changes and modifications made in the specification should be considered as being covered by the present invention.
Claims (3)
1. A use method of a growth regulator for cultivating strong seedlings of Photinia serrulata is characterized by comprising the following steps:
(1) selecting nursery stocks: selecting 1-year-old sowing seedlings;
(2) preparation of mixed growth regulator: dissolving 0.05-0.1g of paclobutrazol, 0.05-0.1g of sodium silicate and 0.05-0.1g of monopotassium phosphate into 1L of distilled water together to prepare a mixed growth regulator with the concentration of 0.15-0.3 g/L; the mass ratio of the paclobutrazol to the sodium silicate to the potassium dihydrogen phosphate is 1:1: 1;
(3) root irrigation mixed growth regulator: in 3 months, 5 months, 7 months and 9 months of each year, selecting evening in non-rainy days, and irrigating 350ml of mixed growth regulator for the roots of each seedling of the photinia serrulata;
(4) spray treatment: 4, 6, 8 and 10 months per year, namely 1 month after the root irrigation mixed growth regulator in the step (3), spraying the whole plant of the Photinia fraseri seedling by adopting 0.015-0.025g/L gibberellin solution in the evening of non-rainy days;
(5) shading treatment: shading treatment is carried out when the daily average temperature reaches 30 ℃ in summer every year until the daily average temperature is lower than 30 ℃; the light-shielding treatment intensity was 35%.
2. The method of using a growth regulator for culturing sound seedlings of photinia fraseri according to claim 1, wherein in the step (4), the spraying is stopped when the solution flows down the leaves and stems of photinia fraseri during the spraying treatment.
3. The method for using the growth regulator for cultivating sound seedlings of photinia fraseri as claimed in claim 1, wherein the method is carried out for 3 years.
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| 紫楠培育技术;段凤芝;《安徽林业科技》;20040331;第31-32页 * |
| 闽楠栽培生理生态基础研究;葛永金;《中国博士学位论文全文数据库农业科技辑》;20150331;第49-51页 * |
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