CN111713364A - Ridging method for relieving waterlogging damage of cotton - Google Patents
Ridging method for relieving waterlogging damage of cotton Download PDFInfo
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- CN111713364A CN111713364A CN201910211173.0A CN201910211173A CN111713364A CN 111713364 A CN111713364 A CN 111713364A CN 201910211173 A CN201910211173 A CN 201910211173A CN 111713364 A CN111713364 A CN 111713364A
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- cotton
- hilling
- waterlogging
- ridging
- relieving
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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
- A01G22/50—Cotton
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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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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention relates to a ridging method for relieving waterlogging damage of cotton, and belongs to the technical field of cotton planting. The hilling method comprises the following steps: 1) after cotton seeds are sown, spraying a rooting agent on the base parts of main stems of the cotton in the bud period of the cotton; 2) after a rooting agent is sprayed, hilling, wherein the height of the hilling is 5-10 cm higher than the cotyledon node of the cotton plant; 3) and irrigating water after the hilling. The ridging method disclosed by the invention can effectively promote the generation of adventitious roots when the cotton is subjected to waterlogging stress, replaces the physiological function of a root system which is inhibited from growing under the waterlogging stress, ensures the nutrient and water absorption of a flooded cotton plant, and maintains normal aerobic respiration, thereby effectively relieving the waterlogging damage of the cotton plant.
Description
Technical Field
The invention relates to the technical field of cotton planting, in particular to a ridging method for relieving waterlogging damage of cotton.
Background
With the frequent occurrence of global warming and rain-waterlogging disasters, waterlogging becomes an important restriction factor for damaging the growth of crops. The waterlogging stress is not only unfavorable for the overground growth of the cotton plant root system, so that the cotton plant is easy to fall down, and the root system is forced to be changed from aerobic respiration to anaerobic respiration, so that a large amount of anaerobic respiration products are generated in the cotton plant body, and the overground part is hindered in growth and development due to lack of energy supply, and further the formation of the cotton yield and quality is influenced. In the daily cotton field management of China, intertillage is usually carried out after rainy days, watering and when more weeds occur in the cotton field, and the intertillage is combined for earthing up, so that although the lodging of cotton plants can be effectively prevented, measures of earthing up and supporting seedlings are taken after flooding stress occurs, the damage to root systems can not be relieved at night, the capacity of the root systems for absorbing nutrients and water is reduced, the flooding damage of cotton can not be relieved, and the yield is reduced or even the yield is dead. At present, a ridging method for efficiently relieving waterlogging damage of cotton does not exist.
Disclosure of Invention
The invention aims to provide a ridging method for relieving waterlogging damage of cotton. The ridging method can effectively promote the generation of the adventitious roots of the cotton, particularly can replace the physiological function of the root system which is restrained by the growth of the cotton under the waterlogging stress when the cotton is subjected to the waterlogging stress, ensure the nutrient and water absorption of flooded cotton plants and maintain normal aerobic respiration, thereby effectively relieving the waterlogging damage of the cotton plants.
The invention provides a ridging method for relieving waterlogging damage of cotton, which comprises the following steps:
1) after cotton seeds are sown, spraying a rooting agent on the base parts of main stems of the cotton in the bud period of the cotton;
2) after a rooting agent is sprayed, hilling, wherein the height of the hilling is 5-10 cm higher than the cotyledon node of the cotton plant;
3) and irrigating water after the hilling.
Preferably, the sowing in the step 1) is carried out in 4 months and 20-25 days.
Preferably, the cotton seeds of step 1) comprise delinted coated cotton seeds.
Preferably, the sowing of step 1) is performed at equal row spacing.
Preferably, the row spacing is 76 cm.
Preferably, the rooting agent in step 1) comprises indoleacetic acid, sodium naphthylacetate, nutrient elements and a growth promoter.
Preferably, the hilling in step 2) is: hoeing the cotton plant and the surface soil between the rows to obtain broken soil, and hilling the broken soil to the periphery of the base of the cotton plant.
Preferably, the irrigation in the step 3) is carried out for 20-30 m per mu3。
The invention provides a ridging method for relieving waterlogging damage of cotton. The method disclosed by the invention has the advantages that the ridging time is in the bud emergence period of the cotton, and is 15-20 days earlier than the ridging time in the initial blooming period of the traditional bud filling; before the method is used for hilling, a rooting agent is sprayed on the base of the main stem of the cotton; irrigating water among rows after hilling; can effectively promote the generation and growth of adventitious roots at the base of the main stem. The ridging method disclosed by the invention effectively promotes the generation of adventitious roots by early ridging and irrigation, increases the root quantity and improves the absorption activity of the root system, and can ensure the absorption of nutrients and water by flooded cotton plants when the cotton is stressed by waterlogging, so that the waterlogging damage of the cotton plants is relieved. The test result shows that compared with the traditional intertillage ridging in the full-bud period (6 months at the bottom), the method disclosed by the invention not only can play roles in weeding, warming and lodging prevention, but also can effectively relieve the waterlogging damage of cotton plants.
Detailed Description
The invention provides a ridging method for relieving waterlogging damage of cotton, which comprises the following steps:
1) after cotton seeds are sown, spraying a rooting agent on the base parts of main stems of the cotton in the bud period of the cotton;
2) after a rooting agent is sprayed, hilling, wherein the height of the hilling is 5-10 cm higher than the cotyledon node of the cotton plant;
3) and irrigating water after the hilling.
The invention seeds the cotton seeds and sprays the rooting agent at the base of the main stem of the cotton in the bud period of the cotton. In the invention, the sowing is carried out in 20-25 days of 4 months. The invention sprays rooting agent before hilling, which is beneficial to promoting the growth of adventitious root. The selected ridging time is 15-20 days earlier than the traditional bud-bearing initial flowering period in the cotton bud emergence period, and the method is favorable for the generation and growth of adventitious roots at the base of the main stem. In the present invention, the cotton seed preferably comprises a delinted coated cotton seed. In the present invention, the seeding is performed at equal row spacing. In the present invention, the row pitch is preferably 76 cm. In the invention, the rooting agent in the step 1) comprises indoleacetic acid, sodium naphthalene acetate, nutrient elements and a growth promoter. The invention has no special limitation on the types and sources of the nutrient elements, and the nutrient elements added in the conventional rooting agent are adopted; the invention has no special limitation on the type and source of the growth promoter, and the growth promoter which is conventionally added in the rooting agent and is well known to the technical personnel in the field can be adopted.
After the rooting agent is sprayed, the method is used for hilling, and the height of the hilling is 5-10 cm higher than the cotyledon node of the cotton plant. In the present invention, the concrete steps of the hilling are preferably: hoeing the cotton plant and the surface soil between the rows to obtain broken soil, and hilling the broken soil to the periphery of the base of the cotton plant.
After the hilling, the invention carries out irrigation. In the present invention, the irrigation can promote the growth of adventitious roots. In the invention, the irrigation is carried out for 20-30 m per mu3More preferably 25m per mu of irrigation water3。
The method for ridging to alleviate waterlogging damage of cotton according to the present invention is further described in detail with reference to the following embodiments, which include but are not limited to the following embodiments.
Example 1
(1) The method comprises the steps of sowing delinted and coated cotton seeds at 20 months and 76cm at equal row spacing, spraying a rooting agent on the base of a main stem in the bud stage (10 days in 6 months), and then immediately earthing up 15-20 days earlier than the traditional earthing up in the bud initial stage.
(2) The cotton plant and the surface soil between the rows are hoed up, the soil is hilled to the periphery of the base part of the cotton plant, and the hilling height is 5cm higher than the cotyledon node of the cotton plant.
(3) Irrigating water between lines immediately after hilling, and irrigating water 25m per mu3And the occurrence of adventitious roots at the base of the main stem is promoted.
Example 2
(1) And (3) sowing delinted and coated cotton seeds at 25 days in 4 months, planting the cotton seeds at an equal row spacing of 76cm, spraying a rooting agent on the base part of a main stem in the bud stage (13 days in 6 months), and then immediately earthing up 15-20 days earlier than the traditional earthing up in the bud initial flowering stage.
(2) The cotton plant and the surface soil between the rows are hoed up, the soil is hilled to the periphery of the base part of the cotton plant, and the hilling height is 6cm higher than the cotyledon node of the cotton plant.
(3) Irrigating water between lines immediately after hilling, and 22m water per mu3And the occurrence of adventitious roots at the base of the main stem is promoted.
Example 3
(1) The method comprises the steps of sowing delinted and coated cotton seeds at 23 days 4 months, planting the cotton seeds at an equal row spacing of 76cm, spraying a rooting agent on the base of a main stem in the bud stage (11 days 6 months), and then immediately earthing up 15-20 days earlier than the traditional earthing up in the bud initial flowering stage.
(2) The cotton plant and the surface soil between the rows are hoed up, the soil is hilled to the periphery of the base part of the cotton plant, and the hilling height is 8cm higher than the cotyledon node of the cotton plant.
(3) Irrigating water between rows immediately after hilling, and irrigating water of 28m per mu3And the occurrence of adventitious roots at the base of the main stem is promoted.
Example 4
K638 is used as a test material in the test, and is developed in an electric rain shelter of a Linqing test station of Shandong cotton research center. The test setup protocol was: the method is characterized in that non-flooding treatment (CK) and flooding stress treatment (WL) of 10d are set in the cotton boll stage, and traditional intertillage ridging treatment (1 intertillage ridging in 25 days of 6 months) and the method ridging (same as example 1) are respectively carried out, and the steps are repeated for 3 times, and the total number of cells is 12. Sowing the seeds in 20 days after 4 months, and performing other management measures like conventional field sowing. After the flooding treatment is finished, 6 cotton seedlings are randomly selected every 7 days, the dry weight of each part is measured after the 6 cotton seedlings are dried, the cotton boll number of each cell is investigated after the cotton boll entering period, and the yield is investigated in the boll opening period.
Test results show that the method can effectively promote the generation of the adventitious roots of the cotton, and under the condition of no flooding, compared with the cotton subjected to traditional ridging, the method increases the accumulated amount of the dry weight of the root system of the cotton by 14.7 percent and increases the total dry weight by 9.6 percent after the ridging; when the cotton plants are subjected to flooding stress, compared with the cotton cultivated by the traditional method, the method has the advantages that the accumulated dry weight of the cotton roots is increased by 15.8 percent after cultivation, and the total dry weight is increased by 7.4 percent; the method can obviously promote the growth of cotton plants, effectively relieve the waterlogging damage of cotton, and can be widely popularized in cotton planting areas prone to waterlogging.
TABLE 1 comparison of Cotton root characteristics after ridging with yield and yield characteristics
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A ridging method for relieving waterlogging damage of cotton comprises the following steps:
1) after cotton seeds are sown, spraying a rooting agent on the base parts of main stems of the cotton in the bud period of the cotton;
2) after a rooting agent is sprayed, hilling, wherein the height of the hilling is 5-10 cm higher than the cotyledon node of the cotton plant;
3) and irrigating water after the hilling.
2. The method according to claim 1, wherein the sowing of step 1) is performed in 4 months for 20-25 days.
3. The method of claim 1, wherein said seeds of step 1) comprise delinted coated seeds.
4. The method of claim 1 wherein said seeding of step 1) is performed at equal row spacing.
5. The method of claim 4, wherein the row spacing is 76 cm.
6. The method of claim 1, wherein said rooting agent of step 1) comprises indoleacetic acid, sodium naphthaleneacetate, nutrient elements, and growth promoters.
7. The method of claim 1, wherein the hilling of step 2) is: hoeing the cotton plant and the surface soil between the rows to obtain broken soil, and hilling the broken soil to the periphery of the base of the cotton plant.
8. The method according to claim 1, wherein the irrigation in step 3) is 20-30 m per mu3。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910211173.0A CN111713364A (en) | 2019-03-20 | 2019-03-20 | Ridging method for relieving waterlogging damage of cotton |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910211173.0A CN111713364A (en) | 2019-03-20 | 2019-03-20 | Ridging method for relieving waterlogging damage of cotton |
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| CN111713364A true CN111713364A (en) | 2020-09-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293209A (en) * | 2011-06-21 | 2011-12-28 | 新疆农业科学院核技术生物技术研究所 | Low-temperature resistance cotton seed coating agent |
| CN105532269A (en) * | 2015-12-31 | 2016-05-04 | 湖南农业大学 | Method for adjusting and controlling nicotine content of tobacco |
| CN106818258A (en) * | 2016-12-15 | 2017-06-13 | 长江大学 | A kind of method for improving Resistance Strain of Cotton water logging stress |
| CN108575624A (en) * | 2018-03-27 | 2018-09-28 | 南通科技职业学院 | A kind of taro efficiency cultivation technology for high |
-
2019
- 2019-03-20 CN CN201910211173.0A patent/CN111713364A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293209A (en) * | 2011-06-21 | 2011-12-28 | 新疆农业科学院核技术生物技术研究所 | Low-temperature resistance cotton seed coating agent |
| CN105532269A (en) * | 2015-12-31 | 2016-05-04 | 湖南农业大学 | Method for adjusting and controlling nicotine content of tobacco |
| CN106818258A (en) * | 2016-12-15 | 2017-06-13 | 长江大学 | A kind of method for improving Resistance Strain of Cotton water logging stress |
| CN108575624A (en) * | 2018-03-27 | 2018-09-28 | 南通科技职业学院 | A kind of taro efficiency cultivation technology for high |
Non-Patent Citations (8)
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| 克鲁日林: "《灌溉作物生物学》", 31 January 1958, 财政经济出版社 * |
| 张艳军: "棉花对不同生育期淹水胁迫的差异响应及其生理学机制", 《中国博士学位论文全文数据库-农业科技辑》 * |
| 张艳军等: "棉花对淹水胁迫的适应机", 《棉花学报》 * |
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| 李增玖: "《棉花的栽培》", 31 July 1964, 湖南人民出版社 * |
| 段留生等: "《作物化学控制原理与技术》", 31 May 2005, 中国农业大学出版社 * |
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