CN105210748A - A kind of regulate and control method alleviating paddy rice Climatic regionalization - Google Patents
A kind of regulate and control method alleviating paddy rice Climatic regionalization Download PDFInfo
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- CN105210748A CN105210748A CN201510654687.5A CN201510654687A CN105210748A CN 105210748 A CN105210748 A CN 105210748A CN 201510654687 A CN201510654687 A CN 201510654687A CN 105210748 A CN105210748 A CN 105210748A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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Abstract
The invention discloses a kind of regulate and control method alleviating paddy rice Climatic regionalization, is also specifically a kind of improve Pollen Activity and pollen germination rate under paddy rice high temperature, thus the method for Seed-Setting Percentage in Rice under improving high temperature.Sowed by rice paddy seed in by the end of March and carry out nursery in seedling field, in being transplanted in basin alms bowl by the end of April, in alms bowl, soil is containing organic 23.2gkg
-1, available nitrogen 95.2mgkg
-1, rapid available phosphorus 22.5mgkg
-1, available potassium 82.6mgkg
-1, the strain of every basin 3,2g urea executed by the front every basin of transplanting and 0.5g potassium dihydrogen phosphate makes base manure, and after transplanting, 0.5g urea executed by the every basin of 7d, and 0.6g urea executed by the every basin of Jointing stage.Under the high temperature conditions, start to spray for three days on end simultaneously containing 10g/L in the paddy rice cut phase? ABA, 1.5mmol/L salicylic acid, 10g/L? the adjusting control agent solution of 6-BA, require to be sprayed onto uniformly on rice plant, the amount of sprinkling is as the criterion with the complete moistening whole plant of solution.Paddy pollen vigor and pollen germination rate under high temperature can be significantly improved, thus Seed-Setting Percentage in Rice under significantly improving high temperature, alleviate the harm of high temperature to paddy rice.
Description
Technical field
The invention belongs to the technical field that paddy rice anti contravariance is cultivated, be specifically related to a kind of improve paddy pollen vigor and pollen germination rate under high temperature, thus improve ripening rate, alleviate the regulate and control method of Climatic regionalization.
Background technology
Paddy rice originates from the torrid areas of low latitudes, define the characteristic adapting to high temperature and short-day ecotope, but rice growth needs certain Suitable ranges, and the high temperature that reproductive stage meets more than 35 DEG C will produce paddy rice and endanger.In recent years, with the acceleration of global industry process, earth mean temperature of air raises gradually, and extreme high heat frequency strengthens gradually, duration extension, and high temperature has become the principal element of many regional influence plant growths in the world.Studying according to International Rice, during paddy growth is to environment sensitive, temperature often raises 1 DEG C, causes production loss 10% the most at last.In the overall situation of global warming, the main rice district of south China all suffers the high temperature damage of degree varies every year.If in late July, 2003 is to early August, there is hot weather rarely seen in the history in paddy area in the southern part of China, the hot weather in more than 38 DEG C, part rice district continue for more than 20 day, the maximum air temperature reaches 41.3 DEG C, and this phase is on the occasion of middle rice varieties heading flowering period, make paddy rice suffer serious Climatic regionalization, cause great loss to China's rice yield.According to the preliminary statistics, there are more than 500,000,000 kilogram, more than 700 ten thousand mu of semilate rice damage loss grains in Hubei Province; Paddy rice disaster area, Anhui Province reaches 5,000,000 mu, and lost units is more than 1,000,000,000 kilograms.2006, occur continuous high temperature weather on Chongqing Sichuan, Hubei, Anhui and Jiangsu and other places, wherein the part in Sichuan area maximum air temperature reaches 42.8 DEG C, and high temperature and drought weather continues more than 30 days, the whole province's crop area of being injured reaches 2,087 ten thousand mu, direct economic loss 7,000,000,000 yuan; Chongqing City's highest temperature reaches record-breaking 44.5 DEG C, and crops disaster area is more than 1,900 ten thousand mu, and economic loss is more than 1,900,000,000 yuan.And phase of blossoming and bearing fruit of late-seaon rice and semilate rice often meet with abnormal high temperature weather flowering stage on the south China the Changjiang river, Climatic regionalization has become one of bottleneck that restriction south China rice district rice safety produces.Improve the high temperatures focus having become current rice research of Rice Resistance, stable development lasting to promotion paddy rice has far reaching significance.
Obstacle by a high temperature can betide paddy rice whole breeding time, but the high temperature damage of paddy rice reproductive stage far overweights vegetative growth phase, and existing research shows, first tricky time of paddy rice to high temperature is heading flowering period, is secondly that microspore development is early stage.Reproductive stage meets with high temperature, and Senescence of Rice accelerates on the one hand, and sword-like leave chlorophyll is lost, and photosynthetic capacity declines.More importance is that reproductive stage meets with the processes such as the pollination of temperatures involved paddy rice, fertilization.Research shows water suction and the fast expansion of full heading time high temperature major effect lodicule, thus causes anther dehiscence bad, and column cap pollination number reduces; Secondly affect the activity of pollen, cause pollen on column cap, sprout difficulty, pollen tube growth is obstructed, and thus normally cannot complete fertilization process, causes ripening rate to decline.Therefore, Seed-Setting Percentage in Rice under raising high temperature, reduces the loss of output, significant to promoting that China's rice safety is produced.
About alleviating the research of paddy rice Climatic regionalization, some scholars think, can alleviate high temperature damage by methods such as Rational Irrigation, adjustment date of seeding, the rational application of fertilizer, spray plant growth regulators.But up to the present also there is no a kind of general, effective, applicable method practice in alleviating paddy rice Climatic regionalization.
Summary of the invention
Technical problem solved by the invention is to provide a kind of regulate and control method alleviating paddy rice high temperature damage, being specially provides a set of and obviously can alleviate the best adjustment processing scheme of paddy rice Climatic regionalization and corresponding training method, thus provides a kind of effective method for alleviating the harm of high temperature to paddy rice.
Technical problem solved by the invention realizes by the following technical solutions:
Alleviate a regulate and control method for paddy rice Climatic regionalization, meet hot environment, the adjusting control agent solution simultaneously containing 9-11g/LABA, 1.4-1.6mmol/L salicylic acid, 9-11g/L6-BA is sprayed to rice plant.ABA concentration 10g/L, Determination of Salicylic Acid 1.5mmol/L, 6-BA concentration 10g/L in preferred adjusting control agent solution.
The described regulate and control method alleviating paddy rice Climatic regionalization, after seedling cultivation of rice, seedling replanting, sprays adjusting control agent solution from the paddy rice cut phase.Specifically within continuous 2-5 days from the paddy rice cut phase, spray adjusting control agent solution, preferably spray adjusting control agent solution for three days on end.Every day, fountain height was every mu of 50-60kg, and every mu of planting density is 18000-22000 strain, required to be sprayed onto uniformly on rice plant, was as the criterion with the complete moistening whole plant of solution.
The described regulate and control method alleviating paddy rice Climatic regionalization, carries out vernalization by after rice paddy seed strong chlorine oil solution seed soaking during seedling cultivation of rice, carrying out being seeded in seedling field, broadcasting rear plastic film epiphragma in robbing fine day by the end of March.
Seedling cultivation of rice detailed process: rice paddy seed clear water is dipped into few 24 hours, then change in the strong chlorine oil solution of 250-350 times of liquid and be dipped into few 12 hours, after clean with tap water, continue seed soaking one day, vernalization is carried out after seed soaking terminates, carrying out being seeded in seedling field in robbing fine day by the end of March, broadcasting rear plastic film epiphragma.
After seedling cultivation of rice in by the end of April by shoot transplanting equipment in basin alms bowl, basin alms bowl diameter 266-300mm, high 190-220mm, the in-built soil about 11-13kg that sieves.
Rice seedling is transplanted in soil containing organic 22-24gkg
-1, available nitrogen 93-96mgkg
-1, rapid available phosphorus 21-23mgkg
-1, available potassium 81-83mgkg
-1, every basin 2-4 strain, 1-3g urea executed by the front every basin of transplanting and 0.2-0.6g potassium dihydrogen phosphate makes base manure, and after transplanting, 0.3-0.7g urea executed by the every basin of 7d, and 0.5-0.7g urea executed by the every basin of Jointing stage, and all the other manage high-yield culturing routinely.
Containing organic 23.2gkg in preferred paddy rice seedling replanting soil
-1, available nitrogen 95.2mgkg
-1, rapid available phosphorus 22.5mgkg
-1, available potassium 82.6mgkg
-1, the strain of every basin 3,2g urea executed by the front every basin of transplanting and 0.5g potassium dihydrogen phosphate makes base manure, and after transplanting, 0.5g urea executed by the every basin of 7d, and 0.6g urea executed by the every basin of Jointing stage, and all the other manage high-yield culturing routinely.
The described regulate and control method alleviating paddy rice Climatic regionalization, described hot environment refers to that daytime natural environment temperature is more than 35 DEG C, time remaining scope more than 5 days.
Beneficial effect:
The present invention can significantly improve paddy pollen vigor and pollen germination rate under high temperature, thus improves Seed-Setting Percentage in Rice, thus obviously alleviates the impact of hot weather on paddy rice, reaches and improves the megathermal effect of Rice Resistance.
Embodiment
The technological means realized to make the present invention, creation characteristic, reach object and effect is easy to understand, giving an actual example below describes the present invention, and can not form limiting the scope of the invention.
Seedling cultivation of rice: rice paddy seed clear water is soaked 24 hours, then changes in the strong chlorine oil solution of 300 times of liquid and immerses 12 hours, after clean with tap water, continue seed soaking one day, carry out vernalization after seed soaking terminates, carrying out being seeded in seedling field in robbing fine day by the end of March, broadcasting rear plastic film epiphragma.Management manages by general rice seedling bed.
Seedling cultivation of rice transplant: adopt method for culturing and transplanting seedlings, in by the end of April by shoot transplanting equipment in basin alms bowl, basin alms bowl diameter 266mm, high 190mm, the in-built soil about 12kg that sieves, containing organic 23.2gkg
-1, available nitrogen 95.2mgkg
-1, rapid available phosphorus 22.5mgkg
-1, available potassium 82.6mgkg
-1, the strain of every basin 3,2g urea executed by the front every basin of transplanting and 0.5g potassium dihydrogen phosphate makes base manure, and after transplanting, 0.5g urea executed by the every basin of 7d, and 0.6g urea executed by the every basin of Jointing stage.All the other manage high-yield culturing routinely.
Manual simulation's high temperature and adjusting control agent process: when paddy growth is to the cut phase, 5g/L, 10g/L, 20g/L, 30g/LABA will be contained respectively, 1.0mmol/L, 1.5mmol/L, 2.0mmol/L, 2.5mmol/ salicylic acid and 5g/L, 10g/L, 20g/L, 30g/L6-BA dissolution homogeneity be sprayed onto on rice plant, the amount of spraying is as the criterion with the complete moistening whole plant of solution, sprays 3 days continuously from the cut phase.Fringe same day beginning, rice material is moved into phytotron and carry out manual simulation's high temperature treatment (8:00-17:00,38 DEG C, 17:00-8:00,30 DEG C), material was moved to outdoor continued growth after 7 days by process continuously.Measure Pollen Activity and pollen germination rate in the Rice Flowering phase of containing, maturing stage investigation ripening rate simultaneously.Result shows, when ABA, salicylic acid, 6-BA concentration are respectively 10g/L, 1.5mmol/L, 10g/L paddy rice Pollen Activity and pollen germination rate is maximum relative to control treatment (clear water) increase rate, effect is best, Pollen Activity improves 20.64% respectively, and 25.58%, 18.59%, pollen germination rate improves 19.44% respectively, 23.79%, 17.38%, and ripening rate improves 13.83% respectively, 15.22%, 12.78%.
The selection of adjusting control agent spraying time and number of days: in Rise's boot period, the cut phase, fringe phase beginning (heading 10-15%), by simultaneously containing these three kinds of adjusting control agents (10g/LABA+1.5mmol/L salicylic acid+10g/L6-BA) dissolution homogeneity be sprayed onto on rice plant, the amount of spraying is as the criterion with the complete moistening whole plant of solution, spray number of days and be set to 1 day, 2 days, 3 days, 4 days, 5 days, fringe same day beginning, rice material is moved into phytotron and carry out manual simulation's high temperature treatment (8:00-17:00, 38 DEG C, 17:00-8:00, 30 DEG C), material was moved to outdoor continued growth after 7 days by continuous process.Measure Pollen Activity and pollen germination rate in the Rice Flowering phase of containing, maturing stage investigation ripening rate simultaneously.Result shows, with the cut phase, the continuous sprinkling Pollen Activity of 3 days and pollen germination rate is maximum relative to control treatment (clear water) increase rate, effect is best, Pollen Activity and pollen germination rate improve 24.65% and 22.78% respectively, and ripening rate improves 16.78%.
The selection of adjusting control agent consumption and formula: according to above-mentioned result, when paddy growth is to the cut phase, by respectively containing 10g/LABA, 1.5mmol/L salicylic acid, 10g/L6-BA and simultaneously containing these three kinds of adjusting control agents (10g/LABA+1.5mmol/L salicylic acid+10g/L6-BA) dissolution homogeneity be sprayed onto on rice plant, the amount of spraying is as the criterion with the complete moistening whole plant of solution, sprays 3 days continuously from the cut phase.Fringe same day beginning, rice material is moved into phytotron and carry out manual simulation's high temperature treatment (8:00-17:00,38 DEG C, 17:00-8:00,30 DEG C), material was moved to outdoor continued growth after 7 days by process continuously.Measure Pollen Activity and pollen germination rate in the Rice Flowering phase of containing, maturing stage investigation ripening rate simultaneously.The amplitude that when result shows to spray 3 kinds of adjusting control agent solution simultaneously, Pollen Activity and pollen germination rate improve relative to independent sprinkling a kind of adjusting control agent solution is larger, Pollen Activity and pollen germination rate improve 26.81% and 24.39% respectively, and ripening rate improves 16.25%.
Visible, under the high temperature conditions, from the paddy rice cut phase, spray the adjusting control agent solution simultaneously containing 10g/LABA, 1.5mmol/L salicylic acid, 10g/L6-BA for three days on end, be conducive to improving Pollen Activity and pollen germination rate, improve Seed-Setting Percentage in Rice, thus alleviate the harm of high temperature to paddy rice.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. alleviate a regulate and control method for paddy rice Climatic regionalization, it is characterized in that, meet hot environment, the adjusting control agent solution simultaneously containing 9-11g/LABA, 1.4-1.6mmol/L salicylic acid, 9-11g/L6-BA is sprayed to rice plant.
2. the regulate and control method alleviating paddy rice Climatic regionalization according to claim 1, is characterized in that, ABA concentration 10g/L, Determination of Salicylic Acid 1.5mmol/L, 6-BA concentration 10g/L in adjusting control agent solution.
3. the regulate and control method alleviating paddy rice Climatic regionalization according to claim 1, is characterized in that, after seedling cultivation of rice, seedling replanting, sprays adjusting control agent solution from the paddy rice cut phase.
4. the regulate and control method alleviating paddy rice Climatic regionalization according to claim 3, is characterized in that, within continuous 2-5 days from the paddy rice cut phase, sprays adjusting control agent solution.
5. the regulate and control method alleviating paddy rice Climatic regionalization according to claim 4, is characterized in that, from the paddy rice cut phase, spray adjusting control agent solution for three days on end.
6. the regulate and control method alleviating paddy rice Climatic regionalization according to any one of claim 1-5, is characterized in that, adjusting control agent solution fountain height every day is every mu of 50-60kg, and every mu of planting density is 18000-22000 strain, requires to be sprayed onto uniformly on rice plant.
7. the regulate and control method alleviating paddy rice Climatic regionalization according to claim 3, is characterized in that, carries out vernalization during seedling cultivation of rice by after rice paddy seed strong chlorine oil solution seed soaking, carrying out being seeded in seedling field, broadcasting rear plastic film epiphragma in robbing fine day by the end of March.
8. the regulate and control method alleviating paddy rice Climatic regionalization according to claim 3, is characterized in that, rice seedling is transplanted in soil containing organic 22-24gkg
-1, available nitrogen 93-96mgkg
-1, rapid available phosphorus 21-23mgkg
-1, available potassium 81-83mgkg
-1, every basin 2-4 strain, 1-3g urea executed by the front every basin of transplanting and 0.2-0.6g potassium dihydrogen phosphate makes base manure, and after transplanting, 0.3-0.7g urea executed by the every basin of 7d, and 0.5-0.7g urea executed by the every basin of Jointing stage, and all the other manage high-yield culturing routinely.
9. the regulate and control method alleviating paddy rice Climatic regionalization according to claim 3 or 8, is characterized in that, after seedling cultivation of rice in by the end of April by shoot transplanting equipment in basin alms bowl, basin alms bowl diameter 266-300mm, high 190-220mm, the in-built soil about 11-13kg that sieves.
10. the regulate and control method alleviating paddy rice Climatic regionalization according to claim 1, is characterized in that, described hot environment refers to that daytime natural environment temperature is more than 35 DEG C, time remaining more than 5 days.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106171707A (en) * | 2016-07-21 | 2016-12-07 | 中国水稻研究所 | A kind of method for early warning of Oryza sativa L. Climatic regionalization |
| CN106613905A (en) * | 2016-11-15 | 2017-05-10 | 华中农业大学 | Method for relieving damage of high temperature to rice glumous flower fertility through artificial supplementary pollination |
| CN106962087A (en) * | 2017-04-10 | 2017-07-21 | 李长松 | A kind of regulation rice field and its paddy rice planting method of space temperature |
| CN110317101A (en) * | 2019-07-24 | 2019-10-11 | 世多乐(青岛)农业科技有限公司 | A kind of foliar fertilizer and its preparation method and application improving Seed-Setting Percentage in Rice |
| CN110915563A (en) * | 2019-11-07 | 2020-03-27 | 广东省农业科学院作物研究所 | Application of cytokinin 6-BA in prevention and treatment of high-temperature heat damage of anoectochilus formosanus |
| CN111837841A (en) * | 2020-07-31 | 2020-10-30 | 海南广凌农业集团有限公司 | Cultivation method suitable for hot-zone hybrid rice |
| CN113057165A (en) * | 2021-03-26 | 2021-07-02 | 中国水稻研究所 | Plant growth regulator for preventing high temperature inhibition of rice fertility in flowering phase and use method and application thereof |
| CN113079985A (en) * | 2021-04-12 | 2021-07-09 | 中国水稻研究所 | Key cultivation method for improving heat resistance of rice and application of key cultivation method in improving heat resistance of rice |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1391802A (en) * | 2001-04-25 | 2003-01-22 | 四川龙蟒福生科技有限责任公司 | Plant growth regulating composition with dwarfing, ripe-ness promoting and resisting functions |
| FR2999385A1 (en) * | 2012-12-14 | 2014-06-20 | Nufarm | Liquid solution, useful for treating plants and vegetables, comprises plant growth regulator e.g. gibberellin A3 and polar aprotic solvent including 1,3-dioxolan-4-yl-methanol compound, 1,3-dioxan-5-ol compound and/or dicarbonyl compound |
| CN103951523A (en) * | 2014-05-18 | 2014-07-30 | 重庆市优胜科技发展有限公司 | Balance growth regulator for plant and preparation method of balance growth regulator |
| CN104054706A (en) * | 2014-07-08 | 2014-09-24 | 中国水稻研究所 | Plant growth conditioner for reducing damage caused by high temperature to rice, and using method and application of plant growth conditioner |
-
2015
- 2015-10-12 CN CN201510654687.5A patent/CN105210748B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1391802A (en) * | 2001-04-25 | 2003-01-22 | 四川龙蟒福生科技有限责任公司 | Plant growth regulating composition with dwarfing, ripe-ness promoting and resisting functions |
| FR2999385A1 (en) * | 2012-12-14 | 2014-06-20 | Nufarm | Liquid solution, useful for treating plants and vegetables, comprises plant growth regulator e.g. gibberellin A3 and polar aprotic solvent including 1,3-dioxolan-4-yl-methanol compound, 1,3-dioxan-5-ol compound and/or dicarbonyl compound |
| CN103951523A (en) * | 2014-05-18 | 2014-07-30 | 重庆市优胜科技发展有限公司 | Balance growth regulator for plant and preparation method of balance growth regulator |
| CN104054706A (en) * | 2014-07-08 | 2014-09-24 | 中国水稻研究所 | Plant growth conditioner for reducing damage caused by high temperature to rice, and using method and application of plant growth conditioner |
Non-Patent Citations (1)
| Title |
|---|
| 汤日圣等: "高温胁迫对稻苗某些生理指标的影响及ABA和6-BA对其的调节", 《江苏农业学报》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106171707A (en) * | 2016-07-21 | 2016-12-07 | 中国水稻研究所 | A kind of method for early warning of Oryza sativa L. Climatic regionalization |
| CN106613905A (en) * | 2016-11-15 | 2017-05-10 | 华中农业大学 | Method for relieving damage of high temperature to rice glumous flower fertility through artificial supplementary pollination |
| CN106962087A (en) * | 2017-04-10 | 2017-07-21 | 李长松 | A kind of regulation rice field and its paddy rice planting method of space temperature |
| CN110317101A (en) * | 2019-07-24 | 2019-10-11 | 世多乐(青岛)农业科技有限公司 | A kind of foliar fertilizer and its preparation method and application improving Seed-Setting Percentage in Rice |
| CN110915563A (en) * | 2019-11-07 | 2020-03-27 | 广东省农业科学院作物研究所 | Application of cytokinin 6-BA in prevention and treatment of high-temperature heat damage of anoectochilus formosanus |
| CN110915563B (en) * | 2019-11-07 | 2022-03-22 | 广东省农业科学院作物研究所 | Application of cytokinin 6-BA in prevention and treatment of high-temperature heat damage of anoectochilus formosanus |
| CN111837841A (en) * | 2020-07-31 | 2020-10-30 | 海南广凌农业集团有限公司 | Cultivation method suitable for hot-zone hybrid rice |
| CN113057165A (en) * | 2021-03-26 | 2021-07-02 | 中国水稻研究所 | Plant growth regulator for preventing high temperature inhibition of rice fertility in flowering phase and use method and application thereof |
| CN113057165B (en) * | 2021-03-26 | 2022-03-15 | 中国水稻研究所 | Plant growth regulator for preventing high temperature inhibition of rice fertility in flowering phase and use method and application thereof |
| CN113079985A (en) * | 2021-04-12 | 2021-07-09 | 中国水稻研究所 | Key cultivation method for improving heat resistance of rice and application of key cultivation method in improving heat resistance of rice |
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