CN110915561A - Dormant overwintering method for Australia water lily - Google Patents
Dormant overwintering method for Australia water lily Download PDFInfo
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- CN110915561A CN110915561A CN201911077997.XA CN201911077997A CN110915561A CN 110915561 A CN110915561 A CN 110915561A CN 201911077997 A CN201911077997 A CN 201911077997A CN 110915561 A CN110915561 A CN 110915561A
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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
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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 dormant overwintering method of a Australian water lily, which comprises the steps of digging out the roots of Australian water lily plants and planting the roots in a flowerpot A, and keeping the rest parts of the Australian water lily plants still in the original growing environment; when the diameter of the leaf area floating on the water surface is small, the roots of the Australian water lily plants are taken out respectively and planted in flowerpots which are reduced in volume and contain culture mediums, when the flowerpots are changed, supports are arranged at the bottoms of the flowerpots in a padded mode, and salt stress is carried out on the periphery of the roots of the plants through solid inorganic salt. According to the invention, the growth environment and growth space of the roots of the plants of the Australian water lily are changed, the growth of the roots is weakened, the nutrient supply from the roots to the stems and leaves of the flowers is weakened, and the stems and leaves of the flowers transmit nutrients to the roots along with the weakening of the growth of the roots, so that the roots form dormant balls to protect tissues, store nutrients, and differentiate a plurality of lateral buds to proliferate, thus the cold resistance is improved, and the survival rate of the Australian water lily is greatly improved.
Description
Technical Field
The invention belongs to the technical field of agricultural planting, and particularly relates to a dormant overwintering method for Australia water lily.
Background
The water lily is a general name of Nymphaeaceae (Nymphaeaceae) Nymphaea (TV/fflpAaea) plants, and is a perennial aquatic herbaceous plant with flower leaves, rich flower color, long flowering period and extremely high ornamental value; the roots of the water lily can absorb toxic substances such as lead, mercury, phenol and the like in water, and are rare water body purification plants; in addition, the water lily also has certain medicinal value. Water lily is mainly distributed in subtropical and temperate regions. When the water lily grows, flowers and leaves float on the water surface, the stem part is positioned in the water, and the root part is positioned in the soil under the water.
The Australian water lily belongs to a subgenus of water lily, the root system of the Australian water lily which is directly planted in soil in an open air environment is developed to form underground fleshy rhizome, the nutrition of the Australian water lily is mainly conveyed from the root to the parts of stems and leaves, so that the parts of the stems and leaves grow vigorously, and when the Australian water lily is in a adverse environment, such as in cold weather in winter, the Australian water lily cannot sleep to form protective tissues, so that the Australian water lily is often killed by freezing injury. Therefore, how to avoid death of the Australian water lily caused by freezing injury is important for the reproduction of the Australian water lily to improve the overwintering survival rate of the Australian water lily.
Disclosure of Invention
The invention provides a method for dormancy and overwintering of Australia water lily, which improves the overwintering survival rate of the Australia water lily.
The technical scheme of the invention is as follows: a method for dormancy overwintering of the Australia water lily comprises the following steps:
(1) digging out the roots of the Australian water lily plants growing in the open air from soil, keeping the rest parts of the Australian water lily plants still in the original growing environment, and then planting the dug-out roots of the Australian water lily plants in a flowerpot A filled with a culture medium;
(2) when the diameter size of the leaf area floating on the water surface is reduced by 10-40 cm, the roots of the Australian water lily plants are taken out respectively and planted in flowerpots with reduced volume and containing culture bases, namely, the flowerpot is changed until the leaves on the water surface disappear, the roots are stopped to be taken out for the operation of changing the flowerpot for planting, when the flowerpot is changed, a support is arranged at the bottom of the flowerpot in a padded mode, the distance between the top of the flowerpot and the water surface is 8-12 cm, and salt stress is carried out on the periphery of the roots of the plants by using solid inorganic salt.
The invention can select the Australia water lily plant with developed root system and vigorous growth vigor of stems and leaves, keep the Australia water lily plant in the original growth environment, namely, the flower leaves are continuously kept on the water surface of the original environment, the stem part is continuously kept in the water, the root part under the water surface is dug out and planted in the flowerpot A, namely, the root part grows in a pot culture mode, after the root part changes the growth environment, compared with the original growth environment, the pot culture mode reduces the growth space of the root part, can play a role in controlling the growth of the root part, and can play a role in weakening the nutrient supply of the root part to the stem and leaf part of the flower after the growth of the root.
After the diameter of the blade area is reduced, the root is dug out of the flowerpot A and planted in the flowerpot with the volume smaller than that of the flowerpot A, when the length is reduced by a section, the flowerpot is continuously changed according to the diameter of the blade area, the root growth space is further reduced in the flowerpot, the root gradually shrinks and becomes small, a dormant ball is formed, the nutrient of the root cannot continuously supply nutrient to the stems and leaves on the upper portion of the plant, and the stems and leaves on the upper portion are converted to convey nutrient to the root on the lower portion of the plant. In addition, the height in the flowerpot is raised, so that the position of the root is raised, and the root is subjected to salt stress treatment, so that the effect of promoting nutrients to flow back and be conveyed to the root from the stem and leaf part of the flower can be achieved.
The nutrient of the flower stem and leaf is continuously supplied to the root, the upper part of the flower stem and leaf gradually withers and disappears, finally the root is dug out of the flowerpot and planted in the flowerpot for overwintering storage, the volume of the flowerpot is smaller than that of the last planted flowerpot, and when the flowerpot is used for overwintering storage, dormant ball protective tissues are formed at the root in the flowerpot, a plurality of lateral buds are differentiated and proliferated, the nutrient is stored, and the cold resistance is improved.
In the present invention, the number of times of changing the flowerpot in the step (2) is changed according to the diameter of the leaf area floating on the water surface, and preferably, in the step (2), the flowerpot changing operation is performed at least twice.
Preferably, when the plant is planted in the flowerpot A in the step (1), the diameter of the leaf area of the Australian water lily plant is 100-120 cm.
Preferably, in the step (2), when the diameter of the leaf area floating on the water surface is 70-80 cm, taking out the roots of the Australian water lily plants from the flowerpot A, and carrying out the first flowerpot changing operation; when the diameter of the leaf area floating on the water surface is 50-60 cm, carrying out the second flowerpot replacement operation; when the diameter of the leaf area floating on the water surface is 40-50 cm, carrying out the third flowerpot replacement operation; and when the diameter of the leaf area floating on the water surface is 20-30 cm, carrying out the fourth flowerpot replacement operation. The flowerpot is changed for four times, so that the roots are sequentially shrunk and reduced, and finally a dormant ball for storing nutrients is formed to protect tissues for overwintering storage.
Preferably, the diameter of the flowerpot A is 55cm, and the height of the flowerpot A is 30 cm; in the step (2), twice flowerpot replacement operations are carried out, the replaced flowerpots are a flowerpot B and a flowerpot C respectively, the diameter of the flowerpot B is 30cm, and the height of the flowerpot B is 25 cm; the diameter of the flowerpot C is 20cm, and the height of the flowerpot C is 18 cm.
Preferably, the flowerpot A is filled with a culture medium, and the culture medium is soil. The invention keeps the original growth soil of the roots, reduces the volume of the flowerpot, and can play a role in controlling the growth of the roots while supplying nutrient components to the Australian water lily plants.
Preferably, the culture medium filled in the flowerpot replaced in the step (2) is soil.
Preferably, the solid inorganic salt is formed by mixing potassium sulfate and calcium superphosphate according to a mass ratio of 2-6: 1-4. In the range of the mixture ratio, the effect of promoting the return flow and the transmission of nutrients from the flower stem and leaf parts to the roots is better.
Preferably, the salt stress is performed by using 40g of the inorganic salt solid around the roots of the water lily australia, and the salt stress is performed three times continuously every 5 days.
Preferably, the distance between the top of the flowerpot B and the water surface is 10 cm. When the distance is 10cm, the effect of promoting the return flow and the transportation of nutrients from the flower stem and leaf part to the root part is better.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention can select the Australia water lily plant with developed root system and vigorous growth vigor of stems and leaves, keep the Australia water lily plant in the original growth environment, namely, the flower leaves are continuously kept on the water surface of the original environment, the stem part is continuously kept in the water, the root part under the water surface is dug out and planted in the flowerpot A, namely, the root part grows in a pot culture mode, after the root part changes the growth environment, compared with the original growth environment, the pot culture mode reduces the growth space of the root part, can play a role in controlling the growth of the root part, and can play a role in weakening the nutrient supply of the root part to the stem and leaf part of the flower after the growth of the root. After the diameter of the blade area is reduced, the root is dug out of the flowerpot A and planted in the flowerpot with the volume smaller than that of the flowerpot A, when the length is reduced by a section, the flowerpot is continuously changed according to the diameter of the blade area, the root growth space is further reduced in the flowerpot, the root gradually shrinks and becomes small, a dormant ball is formed, the nutrient of the root cannot continuously supply nutrient to the stems and leaves on the upper portion of the plant, and the stems and leaves on the upper portion are converted to convey nutrient to the root on the lower portion of the plant. The roots of the plants of the Australian water lily are shrunk and reduced by changing the growing environment and the growing space of the roots of the Australian water lily plants, so that the nutrient supply from the roots to the stems and leaves of the flowers is weakened, the stems and leaves of the flowers transmit nutrients to the roots along with the weakening of the growth of the roots, the roots form dormancy balls to protect tissues, the nutrients are stored, and a plurality of lateral buds are differentiated and proliferated, so that the cold resistance is improved, and the survival rate of the Australian water lily is greatly improved.
(2) The invention also raises the height of the root, can shorten the distance between the root and the water surface, and also raises the height of the stem and the leaf, so that the growth environment is changed to a certain extent, and the salt stress treatment is carried out on the root, thereby promoting the return and transportation of the nutrients from the stem and the leaf to the root and improving the survival rate of the Australian water lily.
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FIG. 1 is a schematic diagram of one embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention without inventive step, are within the scope of the invention.
Example 1
A method for dormancy overwintering of the Australia water lily comprises the following steps:
(1) digging out the roots of the Australian water lily plants growing in the open air from soil, then planting the dug-out roots of the Australian water lily plants in a flowerpot A, and keeping the rest parts of the Australian water lily plants in the original growing environment, wherein the culture medium in the flowerpot A is soil.
(2) When the diameter of a leaf blade floating on the water surface is 40cm, digging out the root of a Australian water lily plant from a flowerpot A, planting the Australian water lily plant in a flowerpot B filled with a culture medium (soil), and laying a support at the bottom of the flowerpot B to enable the distance between the top of the flowerpot B and the water surface to be 10cm, carrying out salt stress on the periphery of the root of the plant by using solid inorganic salt, wherein when carrying out salt stress, 40g of inorganic salt solid is used for carrying out salt stress on the periphery of the root of each Australian water lily, and carrying out salt stress once every 5 days for three times, wherein the solid inorganic salt is formed by mixing potassium sulfate and calcium superphosphate according to the mass ratio of 2-6: 1-4, and the mixing mode of 2:1 is adopted in the embodiment.
(3) The leaves gradually disappear, the roots of the Australian water lily plants are dug out from the flowerpot B, the flowerpot C is placed on the support, and then the Australian water lily plants are planted in the flowerpot C filled with the culture medium for overwintering storage.
In addition, the volume of the flowerpot A is larger than that of the flowerpot B, the volume of the flowerpot B is larger than that of the flowerpot C, and the diameter of the flowerpot A is 55cm and the height of the flowerpot A is 30cm in the embodiment; the diameter of the flowerpot B is 30cm, and the height of the flowerpot B is 25 cm; the diameter of the flowerpot C is 20cm, and the height of the flowerpot C is 18 cm.
In the embodiment, the Australia water lily plant with a developed root system and vigorous growth vigor of stems and leaves is selected and kept in the original growth environment, namely the flower leaves are continuously kept on the water surface of the original environment, the stem part is continuously kept in the water, the root part under the water surface is dug out and planted in the flowerpot A, then the flowerpot B is transplanted in the flowerpot C, and finally the flowerpot C is transplanted in the flowerpot C for overwintering storage. In addition, the heights of the flowerpot B and the flowerpot C are raised in the embodiment, so that the position of the root is raised, and the root is subjected to salt stress treatment, so that the effect of promoting the nutrients to flow back and be conveyed to the root from the flower stem and leaf part can be achieved.
Example 2
A method for dormancy overwintering of the Australia water lily comprises the following steps:
(1) digging out the roots of the Australian water lily plants growing in the open air from soil, then planting the roots of the dug-out Australian water lily plants in a flowerpot A, and keeping the rest parts of the Australian water lily plants in the original growing environment, wherein the culture medium in the flowerpot A is soil which is the same as the original growing environment of the roots.
(2) When the diameter of a leaf blade floating on the water surface is 40cm, digging out the root of a Australian water lily plant from a flowerpot A, planting the Australian water lily plant in a flowerpot B (soil) containing a culture medium, and laying a support at the bottom of the flowerpot B to enable the distance between the top of the flowerpot B and the water surface to be 10cm, carrying out salt stress on the periphery of the root of the plant by using solid inorganic salt, wherein when carrying out salt stress, 40g of inorganic salt solid is used for carrying out salt stress on the periphery of the root of each Australian water lily, and carrying out salt stress once every 5 days for three times continuously, wherein the solid inorganic salt is formed by mixing potassium sulfate and calcium superphosphate according to the mass ratio of 2-6: 1-4, and the mixing mode of 4:1 is adopted in the embodiment.
(3) The leaves gradually disappear, the roots of the Australian water lily plants are dug out from the flowerpot B, the flowerpot C is placed on the support, and then the Australian water lily plants are planted in the flowerpot C filled with the culture medium for overwintering storage.
In the embodiment, the Australia water lily plant with a developed root system and vigorous growth vigor of stems and leaves is selected and kept in the original growth environment, namely the flower leaves are continuously kept on the water surface of the original environment, the stem part is continuously kept in the water, the root part under the water surface is dug out and planted in the flowerpot A, then the flowerpot B is transplanted in the flowerpot C, and finally the flowerpot C is transplanted in the flowerpot C for overwintering storage.
Example 3
A method for dormancy overwintering of the Australia water lily comprises the following steps:
(1) digging out the roots of the Australian water lily plants growing in the open air from soil, then planting the dug-out roots of the Australian water lily plants in a flowerpot A, and keeping the rest parts of the Australian water lily plants in the original growing environment, wherein the culture medium in the flowerpot A is soil.
(2) When the diameter of a leaf blade floating on the water surface is 40cm, digging out the root of a Australian water lily plant from a flowerpot A, planting the Australian water lily plant in a flowerpot B (soil) containing a culture medium, and laying a support at the bottom of the flowerpot B to enable the distance between the top of the flowerpot B and the water surface to be 10cm, carrying out salt stress on the periphery of the root of the plant by using solid inorganic salt, wherein when carrying out salt stress, 40g of inorganic salt solid is used for carrying out salt stress on the periphery of the root of each Australian water lily, and carrying out salt stress once every 5 days for three times, wherein the solid inorganic salt is formed by mixing potassium sulfate and calcium superphosphate according to the mass ratio of 2-6: 1-4, and the mixing mode of 3:2 is adopted in the embodiment.
(3) The leaves gradually disappear, the roots of the Australian water lily plants are dug out from the flowerpot B, the flowerpot C is placed on the support, and then the Australian water lily plants are planted in the flowerpot C filled with the culture medium for overwintering storage.
In the embodiment, the Australia water lily plant with a developed root system and vigorous growth vigor of stems and leaves is selected and kept in the original growth environment, namely the flower leaves are continuously kept on the water surface of the original environment, the stem part is continuously kept in the water, the root part under the water surface is dug out and planted in the flowerpot A, then the flowerpot B is transplanted in the flowerpot C, and finally the flowerpot C is transplanted in the flowerpot C for overwintering storage.
Example 4
A method for dormancy overwintering of the Australia water lily comprises the following steps:
(1) digging out roots of the Australian water lily plants (the diameter of leaves floating on the water surface is 100-120 cm) growing in the open air from soil, then planting the roots of the excavated Australian water lily plants in a flowerpot A, and keeping the rest parts of the Australian water lily plants in the original growing environment, wherein the culture medium in the flowerpot A is soil.
(2) When the diameter of a leaf area floating on the water surface is 70-80 cm, 50-60 cm, 40-50 cm and 20-30 cm, the flowerpot is changed, the diameter of the flowerpot is reduced in sequence, the culture medium in the flowerpot is soil, a support is arranged at the bottom of the flowerpot in a cushioning mode, the distance between the top of the flowerpot and the water surface is 8cm, solid inorganic salt is used for carrying out salt stress on the periphery of the root of the plant, when the salt stress is carried out, 40g of inorganic salt solid is used for carrying out salt stress on the periphery of the root of each Australian water lily, salt stress is carried out once every 5 days for three times continuously, wherein the solid inorganic salt is formed by mixing potassium sulfate and calcium superphosphate according to the mass ratio of 2-6: 1-4, and the mixing ratio of 5:2 is adopted in the embodiment.
Comparative example 1
The present comparative example is different from example 1 in that it was always kept overwintering in the pot a after being transplanted into the pot a in the present comparative example.
Comparative example 2
The comparative example is different from example 1 in that after being transplanted into the flowerpot B, the comparative example is directly overwintering stored in the flowerpot B without being transplanted into the flowerpot C for storage.
Comparative example 3
The present comparative example is different from example 1 in that the heights of the pots B and C are not raised in the present comparative example.
Comparative example 4
This comparative example is different from example 1 in that salt stress treatment was not performed in this comparative example.
Comparative example 5
This comparative example is different from example 1 in that salt stress treatment was not performed and the heights of the pots B and C were not raised.
In the same planting area, 9 areas are divided, 100 Australian water lily plants are overwintering stored in the 9 areas according to the methods of examples 1-3 and comparative examples 1-6 respectively, the growth conditions are observed in 5 months in the next year, the survival rate is counted, wherein in the comparative example 6, the plants always keep the original growth mode to overwinter, and the results are shown in table 1. As can be seen from Table 1, the survival rate of the next year of the Australian water lily is greatly improved when the water lily is stored in the modes of examples 1-4 in winter.
TABLE 1
The invention is not limited to the above alternative embodiments, and any other various forms can be made within the teaching of the invention, but any changes in the method steps are within the scope of the invention, and all technical solutions falling within the scope of the invention are within the scope of the claims.
Claims (9)
1. A method for dormancy overwintering of the Australia water lily is characterized by comprising the following steps:
(1) digging out the roots of the Australian water lily plants growing in the open air from soil, keeping the rest parts of the Australian water lily plants still in the original growing environment, and then planting the dug-out roots of the Australian water lily plants in a flowerpot A filled with a culture medium;
(2) when the diameter size of the leaf area floating on the water surface is reduced by 10-40 cm, the roots of the Australian water lily plants are taken out respectively and planted in flowerpots with reduced volume and containing culture bases, namely, the flowerpot is changed until the leaves on the water surface disappear, the roots are stopped to be taken out for the operation of changing the flowerpot for planting, when the flowerpot is changed, a support is arranged at the bottom of the flowerpot in a padded mode, the distance between the top of the flowerpot and the water surface is 8-12 cm, and salt stress is carried out on the periphery of the roots of the plants by using solid inorganic salt.
2. The method for hibernation and overwintering of the Australian water lily according to claim 1, wherein in the step (2), at least two flowerpot changes are carried out.
3. The method for dormancy overwintering of the plant of the water lily australis as claimed in the claim 1, wherein the diameter of the leaf area of the plant of the.
4. The method for dormant overwintering of the Australian water lily according to the claim 3, wherein in the step (2), when the diameter of the leaf area floating on the water surface is 70-80 cm, the roots of the Australian water lily plants are taken out of the flowerpot A, and the flowerpot is changed for the first time; when the diameter of the leaf area floating on the water surface is 50-60 cm, carrying out the second flowerpot replacement operation; when the diameter of the leaf area floating on the water surface is 40-50 cm, carrying out the third flowerpot replacement operation; and when the diameter of the leaf area floating on the water surface is 20-30 cm, carrying out the fourth flowerpot replacement operation.
5. The method of claim 1, wherein the pot a has a diameter of 55cm and a height of 30 cm; in the step (2), twice flowerpot replacement operations are carried out, the replaced flowerpots are a flowerpot B and a flowerpot C respectively, the diameter of the flowerpot B is 30cm, and the height of the flowerpot B is 25 cm; the diameter of the flowerpot C is 20cm, and the height of the flowerpot C is 18 cm.
6. The method for dormancy overwintering of the water lily australis as claimed in any one of claims 1-5, wherein the flowerpot A is filled with culture medium, the culture medium is soil, and the culture medium filled in the flowerpot replaced in the step (2) is soil.
7. The method for dormancy overwintering of Australian water lily according to claim 6, wherein the solid inorganic salt is formed by mixing potassium sulfate and calcium superphosphate according to a mass ratio of 2-6: 1-4.
8. The method of claim 1 to 5, wherein salt-stressing is performed three times in a manner that salt-stressing is performed with 40g of an inorganic salt solid around the roots of each of the Nymphaea australiana, and salt-stressing is performed every 5 days.
9. The method of claim 8, wherein the distance between the top of the pot B and the water surface is 10 cm.
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| CN112243635A (en) * | 2020-11-11 | 2021-01-22 | 南京工业职业技术大学 | Seedling raising plate and seedling raising method for Australia sleeping lotus seeds |
| CN113317158A (en) * | 2021-06-03 | 2021-08-31 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Seedling raising method for improving rapid seedling formation of Australian water lily seed seedlings |
| CN114631470A (en) * | 2022-02-25 | 2022-06-17 | 中国热带农业科学院海口实验站 | Method for inducing sleep of field of Australia water lily |
| CN115211306A (en) * | 2022-08-01 | 2022-10-21 | 武汉市园林科学研究院 | Tropical water lily dormancy overwintering method |
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| CN112243635A (en) * | 2020-11-11 | 2021-01-22 | 南京工业职业技术大学 | Seedling raising plate and seedling raising method for Australia sleeping lotus seeds |
| CN113317158A (en) * | 2021-06-03 | 2021-08-31 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Seedling raising method for improving rapid seedling formation of Australian water lily seed seedlings |
| CN113317158B (en) * | 2021-06-03 | 2022-06-17 | 广西壮族自治区亚热带作物研究所（广西亚热带农产品加工研究所） | Seedling raising method for improving rapid seedling formation of Australian water lily seed seedlings |
| CN114631470A (en) * | 2022-02-25 | 2022-06-17 | 中国热带农业科学院海口实验站 | Method for inducing sleep of field of Australia water lily |
| CN114631470B (en) * | 2022-02-25 | 2023-08-25 | 中国热带农业科学院热带作物品种资源研究所 | Method for inducing Australian water lily to sleep in field |
| CN115211306A (en) * | 2022-08-01 | 2022-10-21 | 武汉市园林科学研究院 | Tropical water lily dormancy overwintering method |
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