CN104054706A - Plant growth conditioner for reducing damage caused by high temperature to rice, and using method and application of plant growth conditioner - Google Patents
Plant growth conditioner for reducing damage caused by high temperature to rice, and using method and application of plant growth conditioner Download PDFInfo
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Abstract
The invention discloses a plant growth conditioner for reducing damage caused by high temperature to rice, and a using method and application of the plant growth conditioner. The conditioner comprises gibberellin and salicylic acid, wherein the weight ratio of gibberellin to salicylic acid is (0.5-1.5):(0.15-0.6). The conditioner can also comprise chitosan oligosaccharide according to a certain ratio. When the conditioner is used, an aqueous solution form is adopted, wherein an aqueous solution is prepared from 50 to 150mg/L of gibberellin, 15 to 60mg/L of salicylic acid and 50 to 200mg/L of chitosan oligosaccharide, and is applied to leaves in a spraying way during the meiosis stage of pollen mother cells of rice, and 30 to 45 liters of aqueous solution is applied to each acre. The plant growth conditioner can be applied to reduce the damage caused by high temperature to rice, and is suitable for popularization and application in a rice culturing region on the middle and lower reaches of Changjiang River, particularly in a region at which the temperature in a flowering period is always high, and high and stable yield of rice is ensured.
Description
Technical field
The present invention relates to plant growth conditioner field, particularly, relate to a kind of plant growth conditioner, its using method and application that alleviates paddy rice high temperature injury.
Background technology
According to statistics, in the loss causing in various natural calamities, the meteorological disasters such as diastrous weather, weather and agrometeorological hazard account for more than 60%, and the direct economic loss that annual meteorological disaster causes to China's agricultural just reaches 10,000,000,000 yuan of left and right, and particularly serious on the impact of rice yield.
Along with the acceleration of global process of industrialization, abnormal temperature constantly increases the occurrence frequency of Rice Production harm, makes each Rice Production area at paddy rice different development stage, especially in the Rice Heading flowering and grouting phase, often suffer the impact of heat evil, cause the significantly underproduction of paddy rice.
High warm evil in 1971 make more than 20 hundred million jin of China's middle and lower reach of Yangtze River rice workspace paddy losses then, after more than 30 year 2003, there is again similar High Temperature Disaster in the middle and lower reach of Yangtze River single cropping rice, approximately 10,000,000,000 kg rice yields are lost in the whole nation therefore, affects grain security and social stablizing.According to the statistics of Department of Agriculture of Hubei Province, from the lasting sudden-heat weather on July 23 to August 9th, 2003, cause semilate rice to concentrate being seriously injured of Jianghan Plain, E Dong, the E Nan in producing region, E Zhongbei 14Ge city paddy rice, general ripening rate decline 10-20%, serious decline 50%, minimum ripening rate only has 13%.800,000 mu of Wuhan City semilate rice, 500,000 mu of average ripening rate less thaies 30% of being heated harmful.More than 700 ten thousand mu of Hubei Province's semilate rice injured areas, account for the more than 40% of the whole province's semilate rice area, and wherein ripening rate has more than 100 ten thousand mu below 30%, average ripening rate 57%, than normal time decline 27%, 300 jin of left and right of average yield per mu loss, the whole province is because of 3,000,000,000 jin of temperatures involved semilate rice losses.Anhui Province's late July-early August, lasting hot weather, meet with the blooming stage of early-maturing variety paddy rice, most paddy rice in Chuzhou, six peaces, Hefei, Chaohu, Anqing, Deng10Ge city, Wuhu are affected, and especially attach most importance to the concentrated yangtse-huaihe region of precocious semilate rice.1,800 ten thousand mu of the whole province's semilate rice sowing areas, wherein 1,000 ten thousand mu of medium varieties early, cause disaster more than 500 ten thousand mu because of the warm evil of height, and the general underproduction 3-5 in the area of causing disaster becomes, and the serious underproduction more than 7 one-tenths, is even had no harvest.The whole province paddy rice is because the warm harmful lost units of height is more than 2,000,000,000 jin according to preliminary estimation.
Except Hubei, Anhui two outside the province, the rice earing stage in the south rice main product provinces such as Jiangsu, Guangdong, Zhejiang, Sichuan, Hunan is also subject to the warm evil of height in various degree, causes single cropping rice ripening rate low, the underproduction is serious.
According to the nearly 20 years meteorological data statistics in Zhejiang Province, in the high warm evil of paddy rice occurring in Zhejiang Province, there is more than 35 DEG C hot weather in mid-August in 40% time, still there are 35 DEG C of hot weathers in late August to early September in approximately 20% time, occur that the time of more than 33 DEG C weather is up to more than 70% mid-August, the time of the more than 33 DEG C weather of late August to early September appearance up to 45%, is not difficult to find out thus, alleviates rice and do harmful research day of heat to show important.
The CO that human social development produces
2isothermal chamber gas, causes global warming and has become indisputable fact.The assessment report of the inter-governmental climatic variation of the United Nations is pointed out; in 1906 to 2005 100 years; earth's surface, whole world temperature raises 0.7 DEG C; if temperature raises 2 DEG C, human society just there will be huge environmental disaster, not only causes part coastal cities to be submerged because sea level rise; climate warming will make agricultural productivity reduce; exacerbate water crisis of resource, the species of 20-30% will become extinct, and human development falls back unprecedented experience.Produce with China rice, the scope of Summer High Temperature weather and frequency will further increase, such as 1971 with within 2003, occur in more than 38 DEG C weather that China's rice district, Yangtze river basin Rice Flowering productive phase occurs, continue more than 20 days, the maximum air temperature reaches more than 40 DEG C, this area's paddy rice underproduction then 30-40%.In macroscopic view, the whole mankind makes great efforts to reduce greenhouse gas emissions, controls global warming process, and the every profession and trade industry countermeasure that design and research acclimatization is warmed is very urgent.In the face of high temperature stress hazard weather, alleviating research that rice makes heat evil has become China rice and has done the advanced subject of development in science and technology.
Along with the continuous aggravation of global air temperature warming and the adjustment of Rice cropping systems, the risk that abnormal temperature produces harm to paddy rice is also along with continuous increase.Carry out abnormal high temperature guard technology and product research, seem particularly urgent, to promoting the continual and steady great significance of Rice Production.
Summary of the invention
The object of the invention is to be subject to the serious phenomenon of high temperature injury for paddy rice in prior art, a kind of plant growth conditioner and using method thereof that alleviates paddy rice high temperature injury is provided.
Another object of the present invention is to provide the application of a plant growth conditioner.
For achieving the above object, the present invention adopts following technical scheme:
A plant growth conditioner that alleviates paddy rice high temperature injury, comprises gibberellin and salicylic acid, calculates by weight ratio gibberellin: salicylic acid is 0.5-1.5:0.15-0.6.
Further, also comprise chitosan oligosaccharide, calculate by weight ratio gibberellin: salicylic acid: chitosan oligosaccharide is 0.5-1.5:0.15-0.6:0.5-2.
Further, calculate by weight ratio gibberellin: salicylic acid: chitosan oligosaccharide is 0.6:0.3:1.
The using method of the above-mentioned plant growth conditioner that alleviates paddy rice high temperature injury is: described plant growth conditioner adopts the aqueous solution, wherein, gibberellin 50mg/L～150mg/L, salicylic acid 15mg/L～60mg/L, in paddy pollen mother cell foliage-spray meiosis stage, 30～45 liters/mu of consumptions.
Further, the described aqueous solution also contains chitosan oligosaccharide 50mg/L～200mg/L.
Further, described gibberellin is 60mg/L, and salicylic acid is 30mg/L, and chitosan oligosaccharide is 100mg/L.
Further, the described aqueous solution is in Flag Leaves in Rice pulvinus distance+2-3 centimetre, or the front foliage-spray that carries out for 5-8 days of paddy rice beginning fringe.
Above-mentioned plant growth conditioner can be applicable to alleviate paddy rice high temperature injury.
Compared with prior art, the present invention has following beneficial effect:
1, plant growth conditioner of the present invention is mainly used in defending the harm of Rice Flowering pustulation period abnormal high temperature, except having the effect that prevents paddy rice high temperature injury, there is the effect that promotes improving activity of root system, Delaying Leaf-Senescence, raising Rice Photosynthesis and increase output simultaneously, the rice that is stable high yield makes new technology, being applicable to area is middle and lower reach of Yangtze River rice workspace, especially often runs into the area of high temperature in flowering stage.
2, confirm through experiment, correctly use this plant growth conditioner and can significantly alleviate high temperature injury, increase every total grain panicle number, improve ripening rate and thousand kernel weight, increase rice yield 2-12%.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Embodiment 1
2012, China Paddy Rice Inst of Fuyang City of Zhejiang Province test site, kind: spring river 119.In paddy pollen mother cell meiosis stage (sword-like leave pulvinus distance ± 2-3 centimetre, or before beginning fringe 5-8 days), the hot weather of long-term 35 DEG C of left and right, sprays the plant growth conditioner of variable concentrations, 30～45 liters/mu of consumptions, shown in its experimental result table 1:
Table 1, gibberellin and the impact of salicylic acid Different Weight proportioning on megathermal period rice yield
| Numbering | Gibberellin mg/L | Salicylic acid mg/L | Plant height (cm) | Output (kg/ mu) |
| 1 | 0 | 0 | 112.74d | 654.4b |
| 2 | 50 | 15 | 117.13c | 677.4a |
| 3 | 50 | 30 | 116.35c | 688.1a |
| 4 | 50 | 45 | 117.16c | 678.9a |
| 5 | 60 | 30 | 123.01ab | 700.0a |
| 6 | 70 | 30 | 124.58a | 678.1a |
| 7 | 80 | 30 | 126.25b | 671.4a |
| 8 | 50 | 0 | 117.93c | 665.5ab |
| 9 | 0 | 30 | 112.91d | 668.9ab |
Note: have same letter person to be illustrated in 5% level difference in every column data not remarkable.Community area=18m
2.
Result shows, in high temperature period, the plant growth conditioner of different formulations all shows increases the effect of Photosynthetic Rate and the effect that increases output, different proportionings to the amount of increase in production of rice yield at 2.0%-7.0%.
Embodiment 2
On the basis of the small plot experiment in 2012 of embodiment 1, within 2013, carry out confection great district comparative trial at same test site, in confection, one pack system concentration is as table 2.Dispenser is that paddy pollen mother cell meiosis stage (is sword-like leave pulvinus distance+2-3 centimetre period, or the front 5-8 days of beginning fringe), the hot weather of long-term 35 DEG C of left and right, establishing 8 communities is medicine processing, 2 communities are clear water contrast, and every per mu yield is amounted in community after gathering in the crops respectively.From table 2, by calculating, the average yield per mu of medicine processing is 670.3 kilograms, and the average yield per mu of clear water contrast is 612.0 kilograms, and medicine is processed than the average volume increase 9.2% of clear water contrast.Wherein recommend proportioning (process 5 in table 2, process 6), the average yield per mu of " gibberellin 60mg/L+ salicylic acid 30mg/L+ chitosan oligosaccharide 100mg/L " confection processing is 683.5 kilograms, contrasts and compares with clear water, and volume increase level is 11.7%.
Table 2 gibberellin, salicylic acid, the impact of chitosan oligosaccharide Different Weight proportioning on megathermal period rice yield
As can be seen here, under this experimental condition, the plant growth conditioner that sprays different proportionings can be avoided the injury of high temperature to paddy rice generation, and significantly increases rice yield.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a plant growth conditioner that alleviates paddy rice high temperature injury, is characterized in that, comprises gibberellin and salicylic acid, calculates by weight ratio gibberellin: salicylic acid is 0.5-1.5:0.15-0.6.
2. the plant growth conditioner that alleviates paddy rice high temperature injury according to claim 1, is characterized in that, also comprises chitosan oligosaccharide, calculates by weight ratio gibberellin: salicylic acid: chitosan oligosaccharide is 0.5-1.5:0.15-0.6:0.5-2.
3. the plant growth conditioner that alleviates paddy rice high temperature injury according to claim 2, is characterized in that, calculates by weight ratio gibberellin: salicylic acid: chitosan oligosaccharide is 0.6:0.3:1.
4. the using method of the plant growth conditioner that alleviates paddy rice high temperature injury according to claim 1, it is characterized in that, described plant growth conditioner adopts the aqueous solution, wherein, gibberellin 50mg/L～150mg/L, salicylic acid 15mg/L～60mg/L, in paddy pollen mother cell foliage-spray meiosis stage, 30～45 liters/mu of consumptions.
5. the using method of the plant growth conditioner that alleviates paddy rice high temperature injury according to claim 4, is characterized in that, the described aqueous solution also comprises chitosan oligosaccharide 50mg/L～200mg/L.
6. the using method of the plant growth conditioner that alleviates paddy rice high temperature injury according to claim 5, is characterized in that, described gibberellin is 60mg/L, and salicylic acid is 30mg/L, and chitosan oligosaccharide is 100mg/L.
7. according to the using method of the plant growth conditioner that alleviates paddy rice high temperature injury described in claim 4-6 any one, it is characterized in that, in Flag Leaves in Rice pulvinus distance+2-3 centimetre, or before paddy rice beginning fringe, within 5-8 days, carry out foliage-spray.
According to the plant growth conditioner described in claim 1-3 any one in the application alleviating in paddy rice high temperature injury.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105210748A (en) * | 2015-10-12 | 2016-01-06 | 湖南农业大学 | A kind of regulate and control method alleviating paddy rice Climatic regionalization |
| CN106889080A (en) * | 2016-12-30 | 2017-06-27 | 新昌县拜特夫农业科技有限公司 | A kind of plant growth conditioner for mitigating paddy rice high temperature injury, its application method and application |
| CN108834713A (en) * | 2018-06-28 | 2018-11-20 | 普定县真源农业开发有限公司 | A method of mitigating apple high temperature injury |
| US10645942B2 (en) | 2018-04-30 | 2020-05-12 | Stoller Enterprises, Inc. | Synergistic formulation including at least one gibberellin compound and salicyclic acid |
| CN111567532A (en) * | 2020-06-15 | 2020-08-25 | 江苏徐淮地区淮阴农业科学研究所 | Rice high-temperature-resistant yield-increasing conditioner and preparation method and application thereof |
| 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 |
| CN113748949A (en) * | 2021-09-15 | 2021-12-07 | 浙江省亚热带作物研究所 | Dianthus superbus standardized propagation production method |
| CN114007417A (en) * | 2019-03-29 | 2022-02-01 | 环球化学股份有限公司 | Crop plant sun protection agent |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105210748A (en) * | 2015-10-12 | 2016-01-06 | 湖南农业大学 | A kind of regulate and control method alleviating paddy rice Climatic regionalization |
| CN105210748B (en) * | 2015-10-12 | 2017-12-05 | 湖南农业大学 | A kind of regulation and control method for mitigating rice Climatic regionalization |
| CN106889080A (en) * | 2016-12-30 | 2017-06-27 | 新昌县拜特夫农业科技有限公司 | A kind of plant growth conditioner for mitigating paddy rice high temperature injury, its application method and application |
| US10645942B2 (en) | 2018-04-30 | 2020-05-12 | Stoller Enterprises, Inc. | Synergistic formulation including at least one gibberellin compound and salicyclic acid |
| CN108834713A (en) * | 2018-06-28 | 2018-11-20 | 普定县真源农业开发有限公司 | A method of mitigating apple high temperature injury |
| CN114007417A (en) * | 2019-03-29 | 2022-02-01 | 环球化学股份有限公司 | Crop plant sun protection agent |
| CN111567532A (en) * | 2020-06-15 | 2020-08-25 | 江苏徐淮地区淮阴农业科学研究所 | Rice high-temperature-resistant yield-increasing conditioner and preparation method and application thereof |
| 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 |
| CN113748949A (en) * | 2021-09-15 | 2021-12-07 | 浙江省亚热带作物研究所 | Dianthus superbus standardized propagation production method |
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