CN112088884A - Middle and later stage drought-resistant agent for rice and application thereof - Google Patents
Middle and later stage drought-resistant agent for rice and application thereof Download PDFInfo
- Publication number
- CN112088884A CN112088884A CN202011078148.9A CN202011078148A CN112088884A CN 112088884 A CN112088884 A CN 112088884A CN 202011078148 A CN202011078148 A CN 202011078148A CN 112088884 A CN112088884 A CN 112088884A
- Authority
- CN
- China
- Prior art keywords
- drought
- rice
- agent
- water
- resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
- A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/02—Sulfur; Selenium; Tellurium; Compounds thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a middle and later stage drought-resistant agent for rice and application thereof. The fertilizer is sprayed 5-7 days before the jointing of the rice, so that the drought resistance of the rice in the middle and later periods can be improved, the number of grains per spike can be improved, the grain weight can be increased, the yield can be improved, the loss caused by drought can be reduced, the water for irrigating the rice can be saved, and the water resource can be protected.
Description
Technical Field
The invention belongs to the field of drought-resistant agents for rice, and particularly relates to a drought-resistant agent for rice in middle and later periods and application thereof.
Background
China is a developing country with a large population and a small per capita ploughing area, resources accounting for less than 7% of the world survive population accounting for 22% of the world, and make a great contribution to world food safety. Meanwhile, the importance of the grain safety to China is also explained. More than 65% of people in China use rice as staple food, so the rice is the most important grain crop in China, the current rice planting area accounts for about 27.5% of the grain crop planting area, the rice yield accounts for more than 37% of the total grain yield, the rice consumption accounts for about 50% of the total grain consumption, and more than 85% of the produced rice is consumed as grain. The demand of food in China is continuously increased, once the rice is not supplied enough, the life of people is affected, the grain price and the whole price fluctuate due to small changes of the rice supply and demand, and the rice safety is directly related to the national food safety.
Extreme weather frequently occurs due to factors such as global climate warming, seasonal drought frequently occurs in main rice production areas in China due to uneven spatial and temporal distribution of water resources, extreme high-temperature drought climate in rice growing areas in Yangtze river basin gradually changes from sporadic nature to normalized nature, Jiangsu province in 2019 encounters serious drought which is not encountered for decades in rice production seasons, and rainfall of parts of the areas is less than 10 millimeters in 60 continuous days from 9 months, so that the areas belong to severe drought weather. The rice is a crop sensitive to water, the water consumption is large during the cultivation, the shortage of water can cause the growth of plants to be reduced, the maturing rate and the thousand seed weight to be reduced, the yield is reduced, and further the grain safety in China is influenced. Therefore, related preparations for improving drought resistance of rice are urgently needed.
Disclosure of Invention
The invention mainly aims at seasonal drought of rice, particularly drought in the late growth period, and provides a drought-resistant agent for the middle and later periods of rice.
Another purpose of the invention is to provide application of the drought resistant agent.
The purpose of the invention is realized by the following technical scheme:
a drought-resistant agent for middle and later period of rice is prepared from prohexadione-calcium, brassinolide, sodium hydrogen sulfite, root promoter, disperser and water through mixing. The obtained mixture contains the following effective components in mass ratio: 0.75-1.0% of prohexadione calcium, 0.0001-0.0002% of brassinolide, 2-5% of sodium bisulfite, 0.001-1% of root promoting agent, 2-5% of dispersing agent and the balance of water.
As a preferred embodiment of the present invention, the drought resistant agent comprises: 1% of prohexadione calcium, 0.0001% of brassinolide, 3% of sodium bisulfite, 0.3% of root promoting agent, 3.5% of dispersing agent and the balance of water.
As a preferred embodiment of the invention, the root promoting agent is one or more of indoleacetic acid, indolebutyric acid, naphthylacetic acid sodium salt and rooting powder;
in a preferred embodiment of the invention, the dispersant is one or more of sodium lignosulfonate, alkyl ether, nekal and QS-8206.
The manufacturing process of the invention comprises the following steps:
proportionally adding the prohexadione calcium, the brassinolide, the sodium bisulfite, the root promoting agent, the dispersing agent and the water into a stirrer, fully and uniformly stirring, quantitatively packaging finished products, and sealing and storing.
The application of the middle and later stage drought-resistant agent for rice in improving the drought-resistant capability of rice is disclosed; preferably in improving the drought resistance of the rice in the late growth period.
The use method of the invention comprises the following steps:
the drought-resisting agent is used in the middle and later periods of rice growth, a thin water layer is firstly coated in the field 5-7 days before the joint of the rice is pulled out, 300ml of the drought-resisting agent in the middle and later periods of rice is used per mu, 30Kg of water is added, and the drought-resisting agent is uniformly sprayed. The rice is used only once every season.
Has the advantages that:
the middle and later stage drought-resistant agent for rice is sprayed once before jointing, so that the yield loss caused by drought can be effectively reduced. The lower the rate of yield loss with increasing drought time. On the other hand, by spraying the middle and later stage drought-resistant agent for rice, the water consumption for field irrigation can be saved, the cost is saved, and the input-output rate is high.
Detailed Description
The present invention is further illustrated by the following specific examples.
Example 1:
accurately weighing 10 g of prohexadione calcium, 0.001 g of brassinolide, 30 g of sodium bisulfite, 3 g of sodium naphthaleneacetate, 35 g of nekal and 921.999 g of water, and adding the above substances into a stirrer to be fully and uniformly stirred to obtain the drought-resistant medicament for the middle and later periods of rice.
The test site is selected from a test field of an agricultural institute in the region of the lower river of Jiangsu, Jiangzhou, Bay Town, Jiangzhou, Jiangsu, the test time is 2018 years, the variety to be tested is Yangzjing 805, and the drought-resistant agent in the middle and later periods of the rice is sprayed according to the amount of 300 g of water and 30kg of water per mu 7 days before jointing after the rice seedlings are transplanted into the field; and spraying the prohexadione calcium with the amount of 3 g of water added by 30kg per mu, spraying the brassinolide with the amount of 0.0003 g of water added by 30kg per mu, spraying the sodium bisulfite with the amount of 9 g of water added by 30kg per mu, and spraying clear water as a contrast.
Two irrigation modes are provided, one mode is a long-term arid region, a rainproof greenhouse is built before application, irrigation is not carried out after application, and rainwater is isolated until harvesting; the other is a short-term arid area which is not irrigated for 30 days continuously in the open air after application and is irrigated normally after 30 days.
The test result shows that: the middle and later stage drought-resistant agents of rice, prohexadione calcium, brassinolide, sodium bisulfite and other agents are adopted to treat the rice in different drought modes, and the yield is increased to different degrees compared with the yield increased by spraying clear water for contrast treatment; compared with other drought-resistant medicament treatment and clear water control, the yield increase of the drought-resistant medicament in the middle and later periods of rice reaches a remarkable level. Under the condition of long-term drought, the theoretical yield and the actual yield of the treated rice are respectively increased by 5.8%, 7.5%, 9.2%, 10.9% and 6.8%, 7.8%, 9.0% and 12.0% compared with the treatment of prohexadione calcium, brassinolide, sodium bisulfite and clear water by drought-resistant medicament treatment in the middle and later periods, and the theoretical yield and the actual yield are respectively increased by significant levels; under the condition of short-term drought, the theoretical yield and the actual yield are respectively increased by 5.6 percent, 6.5 percent, 8.8 percent, 10.0 percent, 5.5 percent, 6.0 percent, 7.1 percent and 8.8 percent, which reach obvious levels and have obvious drought resistance.
TABLE 1 influence of middle and late stage drought-resistant chemical on Yangjing 805 yield and yield structure of rice (2018)
Example 2:
accurately weighing 10 g of prohexadione calcium, 0.002 g of brassinolide, 33 g of sodium bisulfite, 10 g of rooting powder, 40 g of nekal and 906.998 g of water, and producing the above substances according to the production process to obtain the drought-resistant medicament for the middle and later periods of rice.
The test site is selected in a test field of an agricultural institute in the region of the lower river of Jiang Su, Li and Town, Bay Touzu, Jiangzhou, Jiangsu province, the test time is 2019, the variety to be tested is Yangzjing 805, and the drought-resistant medicament in the middle and later periods of rice is sprayed according to 300 g of water and 30kg of water per mu 7 days before jointing after the rice seedlings are transplanted into the field, and the spraying of clear water is used as a control.
Three drought modes are designed, wherein one drought mode is a long-term drought area, and irrigation is not carried out after application until harvesting; secondly, the water is not irrigated for 20 days continuously in the open air after being applied after being dried for 20 days, and normal irrigation management is carried out after 20 days; thirdly, the water is not irrigated for 30 days in the open air after being applied after the drought for 30 days, and normal irrigation management is carried out after 30 days. Normal irrigation was used as control.
TABLE 2 influence of middle and late stage drought-resistant chemical on Yangjing 805 yield and yield structure of rice (2019)
The results show that: the yield of the rice is increased by adopting the middle and later stage drought-resistant agent of the rice under different drought conditions compared with the yield of the rice sprayed with clear water. Under the condition of long-term drought, the theoretical yield and the actual yield of the fertilizer are respectively increased by 5.8 percent and 5.9 percent; drought is treated for 30 days, and the treatment time is respectively increased by 2.6 percent and 3.8 percent; drought for 20 days, the treatment rate is increased by 1.3 percent and 3.0 percent respectively; normal irrigation treatment, 1.6% and 1.6% increase, respectively. The drought resistance effect is analyzed, and the effective spike number is similar with the prolonging of the drought time and the treatment of spraying the drought resistance agent, but the grain number, the seed setting rate and the weight average of thousand grains per spike are increased, and the yield increasing effect is more obvious when the drought time is longer.
In different treatments of spraying the drought-resistant agent and the clear water, the effective spike number, the grain number per spike, the setting rate and the thousand-grain weight average show a descending trend along with the prolonging of the drought time, and the yield is also reduced, but the descending trend can be reduced by spraying the drought-resistant agent, so that the yield loss rate is reduced.
Claims (7)
1. A middle and later stage drought-resistant agent for rice is characterized in that the drought-resistant agent is prepared by mixing six components of prohexadione calcium, brassinolide, sodium bisulfite, a root promoting agent, a dispersing agent and water, and the obtained mixture contains the following effective components in percentage by mass: 0.75-1.0% of prohexadione calcium, 0.0001-0.0002% of brassinolide, 2-5% of sodium bisulfite, 0.001-1% of root promoting agent, 2-5% of dispersing agent and the balance of water.
2. The drought resistant agent of claim 1, wherein the drought resistant agent comprises: 1% of prohexadione calcium, 0.0001% of brassinolide, 3% of sodium bisulfite, 0.3% of root promoting agent, 3.5% of dispersing agent and the balance of water.
3. The drought resistant agent according to claim 1 or 2, wherein the root growth promoter is one or more of indoleacetic acid, indolebutyric acid, naphthylacetic acid sodium salt and rooting powder.
4. The drought resistant agent according to claim 1 or 2, wherein the dispersant is one or more of sodium lignosulfonate, alkyl ether, nekal, QS-8206.
5. The method for preparing the agent for resisting drought in the middle and later stages of rice as claimed in claim 1 or 2, wherein the agent is prepared by mixing the prohexadione calcium, brassinolide, sodium bisulfite, root growth promoter, dispersant and water in proportion.
6. The application of the middle and later stage drought-resistant agent for rice of claim 1 or 2 in improving the drought-resistant capacity of rice.
7. The use according to claim 6, characterized in that the use of the agent for middle and late stage drought resistance of rice according to claim 1 or 2 for improving the late stage drought resistance of rice in fertility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011078148.9A CN112088884A (en) | 2020-10-10 | 2020-10-10 | Middle and later stage drought-resistant agent for rice and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011078148.9A CN112088884A (en) | 2020-10-10 | 2020-10-10 | Middle and later stage drought-resistant agent for rice and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112088884A true CN112088884A (en) | 2020-12-18 |
Family
ID=73783772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011078148.9A Pending CN112088884A (en) | 2020-10-10 | 2020-10-10 | Middle and later stage drought-resistant agent for rice and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112088884A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102326545A (en) * | 2011-06-20 | 2012-01-25 | 中国农业大学 | Drought-resistant agent and application thereof |
| CN104782628A (en) * | 2015-03-24 | 2015-07-22 | 中国水稻研究所 | Plant growth regulator for greenhouse paddy, preparation method and application of plant growth regulator |
| CN105875612A (en) * | 2016-06-02 | 2016-08-24 | 中国水稻研究所 | Plant growth regulator for enhancing drought resistance of rice and preparation method and application thereof |
| CN106565319A (en) * | 2016-10-26 | 2017-04-19 | 江西省农业科学院土壤肥料与资源环境研究所 | Seasonal drought-relieving and yield-increasing compound agent for double cropping rice and application method thereof |
-
2020
- 2020-10-10 CN CN202011078148.9A patent/CN112088884A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102326545A (en) * | 2011-06-20 | 2012-01-25 | 中国农业大学 | Drought-resistant agent and application thereof |
| CN104782628A (en) * | 2015-03-24 | 2015-07-22 | 中国水稻研究所 | Plant growth regulator for greenhouse paddy, preparation method and application of plant growth regulator |
| CN105875612A (en) * | 2016-06-02 | 2016-08-24 | 中国水稻研究所 | Plant growth regulator for enhancing drought resistance of rice and preparation method and application thereof |
| CN106565319A (en) * | 2016-10-26 | 2017-04-19 | 江西省农业科学院土壤肥料与资源环境研究所 | Seasonal drought-relieving and yield-increasing compound agent for double cropping rice and application method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 孙颖等: "《植物保护技术手册》", 31 May 2017, 山西经济出版社 * |
| 张传忍: "《农作物高产优质高效新技术120种》", 30 June 1993, 天津教育出版社 * |
| 郑先福: "《植物生长调节剂应用技术 第2版》", 30 June 2013, 中国农业大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104839160B (en) | A kind of drought-resistant maize seed-soaking liquid and preparation method thereof | |
| CN111662121A (en) | Slow-release type bulk blending fertilizer | |
| CN105237102A (en) | Compound preparation for improving drought resistance of wheat and use method therefor | |
| CN106961974A (en) | A kind of plantation of selenium-rich rice and production method | |
| CN118324574B (en) | Saline-alkali resistant synergistic agent composition, preparation method thereof and seed dressing method | |
| CN110856469A (en) | Cultivation method for direct seeding and half-period dry farming of rice | |
| CN102731203B (en) | Soil conditioner for old ginseng fields | |
| CN107056424A (en) | A kind of live growth promotion granule of rice machine and its preparation method and application | |
| CN104591854A (en) | Compound high-efficiency wheat seed coating agent | |
| CN111466268B (en) | High-yield high-quality simplified fertilization method for preventing rice from premature senility in yellow river old sidewalk region | |
| CN111410572A (en) | Water-fertilizer integrated drip irrigation water-soluble fertilizer for corn and fertilizing method | |
| CN109303058B (en) | Low-temperature-resistant regulating agent for rice seedlings and preparation method and application thereof | |
| CN112088884A (en) | Middle and later stage drought-resistant agent for rice and application thereof | |
| CN110183276A (en) | It is a kind of promote plant growth small organic molecule formula and its application | |
| CN110240516A (en) | Add the liquid fertilizer and its preparation method and application of lignosulfonates synthesis urea phosphate | |
| AU2020104407A4 (en) | A method of cultivating rapeseed for feed in saline-alkali land | |
| CN103964940A (en) | Growth regulating agent for promoting tillering before winter and smooth overwintering of wheat | |
| CN107173015A (en) | A kind of vegetable plot nutrient emission reduction and the method for improving vegetables commodity property | |
| CN105481596A (en) | Solanaceous vegetable nutrient controlled release type ecological seedling culture substrate | |
| CN111149541A (en) | Efficient drought-resistant agent for rice | |
| CN104557276A (en) | Double-effect double-element water-soluble powder fertilizer | |
| CN110235741A (en) | Vegetable seedling substrate sustained release colloid and its preparation method and application | |
| CN108849450A (en) | A kind of soilless culture of flowers method | |
| CN104705298B (en) | A kind of special promoter of under-film drip irrigation Oryza sativa L. and its application | |
| CN109400268A (en) | It is long-acting to exempt from top dressing material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201218 |