CN110235903A - A kind of rice growth regulator and its application and application method - Google Patents
A kind of rice growth regulator and its application and application method Download PDFInfo
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- CN110235903A CN110235903A CN201910478041.4A CN201910478041A CN110235903A CN 110235903 A CN110235903 A CN 110235903A CN 201910478041 A CN201910478041 A CN 201910478041A CN 110235903 A CN110235903 A CN 110235903A
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- 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
- A01N43/14—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 six-membered rings
- A01N43/16—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 six-membered rings with oxygen as the ring hetero atom
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- 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
- A01N59/08—Alkali metal chlorides; Alkaline earth metal chlorides
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Abstract
The present invention provides a kind of rice growth regulator and its application and application method, is related to rice cultivating technical field, and rice growth regulator of the present invention includes 150~250mmol/L glucose and 5~10mmol/L potassium chloride.Experiments indicate that, the glucose and potassium chloride of external source have significant correlation with clever Floral differentiation number and existing number, the glucose and potassium chloride of 15~20d supplemented with exogenous can significantly improve Non-Structural Carbohydrate (NSC) content before Rice Heading in nutrition organs, C/N ratio before heading, and then is conducive to young fringe Floret differentiation, reduces and degenerate, and then realize the purpose stablized and improve rice yield.
Description
Technical field
The present invention relates to rice cultivating technical field more particularly to a kind of rice growth regulator and its application and users
Method.
Background technique
In recent years some large spike super hybridization rices because its grain husk spend the characteristic that more, storage capacity is big, Productive Potential is good be usually used in high yield or
Super-high-yielding creation.But it while finding that the type kind shows huge yield potential in production application, spends there are secondary grain husk and easily moves back
Change, pollen abortion or sterile problem cause grain husk that existing number, grain number per spike and setting percentage is spent to exist and make a variation by a relatively large margin, and yield is unstable
Fixed, potentiality cannot play very well.Existing research confirms Floret differentiation, degenerating not only is controlled by heredity, while also raw vulnerable to environment
The regulation of state and cultivation condition.
Sugar is the important regulatory factor of plant growth and development and gene expression, it is not only energy source and structural material,
And there is primary courier's effect of similar hormone in signal transduction, it is many in the growth of plant, development, maturation and aging etc.
Has regulating and controlling effect in the process.Riou-Khamlichi etc. has found concentration of glucose and has during studying arabidopsis cotyledon development
The activity of silk division is related, and glucose is adjusted as the expression of development motivating factor cell cycle protein D gene
(Riou-Khamlichi C, Menges M, Healyj M, Murrayj A.Sugar control o fthe plant cell
Cycle:differential regulation of Arabidopsis D~type cyclin gene expression
[J] .Mo1.CellBio1., 2000,20:4513-4521.)；Hendrix research obtain bloom before fringe levulan accumulation and
The formation of consumption figure and young fringe has close correlation, it is believed that fringe Fructan metabolism has important physiological significance
(Hendrix, JE, Linden, JC, Smith, DH, Ross, CW, Park, IK.Relationship of pre-anthesis
fructan metabolism to grain numbers in winter wheat(Triticum aestivum L.)
.Functional Plant Biology,1986,13(3):391-398.)；King etc. research shows that before wheat flower in about 8d,
Concentration of reduced sugar is higher in fringe, and this phase concentration of reduced sugar and final floret bears also have Close relation, it is believed that this phase little Hua hair
Educating has apparent dependence to reduction sugar level in fringe, this phase fringe reduced sugar mostlys come from the hydrolysis of levulan and the drop of sucrose
(shading is to fringe carbohydrate metabolism and endogenous before the adjusting II of Wang Zhimin, Wang Shuan, Su Baolin wheat grains per spike is bloomed for solution
The influence North China Agricultural Journal of hormonal readiness, 1997,12 (4): 42-47.).The studies above show as NSC important component can
Dissolubility sugar and the differentiation and development of seed or young fringe cell division and organ are in close relations, they serve not only as energy matter, and
A kind of important semiochemicals.But it is fresh about NSC and its component and rice young panicle Floret differentiation, the relationship of degeneration and adjustment effect
There is relevant report, it is still the hot spot of current research that inherent mechanism is still unintelligible, is worth further investigated.
Summary of the invention
It is raw to provide a kind of rice in order to overcome the problems, such as that existing rice grain husk spends easily degeneration, yield unstable by the present invention
Long regulator and its application and application method, Floret differentiation can be effectively improved by applying rice growth regulator of the present invention
With existing number, the grain number per spike and setting percentage of rice are improved, and then stablizes and improves rice yield.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of rice growth regulators, including 150~250mmol/L glucose and 5~10mmol/L
Potassium chloride.
Preferably, the rice growth regulator includes 200mmol/L glucose and 8mmol/L potassium chloride.
The present invention also provides rice growth regulators described in above-mentioned technical proposal in point for promoting rice branch stalk and grain husk flower
Change, the application in the degeneration that reduction rice branch stalk and grain husk are spent.
The present invention also provides rice growth regulators described in preceding solution to improve the application in rice yield.
The present invention also provides a kind of application methods of rice growth regulator described in preceding solution, including following step
It is rapid:
The morning 6~8 point or afternoon 5~7 point of 15~20d before Rice Heading, with the rice growth regulator to water
Rice carries out foliage-spray；Same day requirement is sprayed without rain.
Preferably, the mode that sprays is to spray by spraying.
Preferably, the sprayed dose of the rice growth regulator is the cave 5~8ml/.
Preferably, the number that sprays of the rice growth regulator is 1~2 time.
Compared with prior art, beneficial effects of the present invention:
The present invention provides a kind of rice growth regulators, including 150~250mmol/L glucose and 5~10mmol/L
Potassium chloride.Experiments indicate that the glucose and potassium chloride of external source have significant correlation with clever Floral differentiation number and existing number,
The glucose and potassium chloride of 15~20d supplemented with exogenous can significantly improve the non-knot before Rice Heading in nutrition organs before heading
Structure carbohydrate (NSC) content, C/N ratio, and then be conducive to young fringe Floret differentiation, reduce and degenerate, and then realize and stablize
Improve the purpose of rice yield.
It applies rice growth regulator of the present invention and is also adjustable the efficiency that assimilation quotient operates in stem sheath, promote seed
Grouting is enriched；Also have effects that adjust rice yield, improves Seed-Setting Percentage in Rice, increases rice mass of 1000 kernel.
For rice growth regulator of the present invention to people and animals and other beneficial organisms safety, non-environmental-pollution is a kind of system
It is standby simple, without especial equipment requirements and safe and efficient rice growth regulator.
Detailed description of the invention
Fig. 1 is the correlativity of Floret differentiation number and existing number and concentration of glucose；
Fig. 2 is the correlativity of Floret differentiation number and existing number and potassium chloride concentration.
Specific embodiment
The present invention provides a kind of rice growth regulators, including 150~250mmol/L glucose and 5~10mmol/L
Potassium chloride；It preferably include 200mmol/L glucose and 8mmol/L potassium chloride.The present invention is studies have shown that clever Floral differentiation, move back
Change it is related to the C N metabolism of rice Jointing stage nutrition organs, i.e., with the unstructuredness carbon content of Jointing stage, carbon-nitrogen ratio phase
It closes.Shown in test as shown in the embodiment of the invention, before rice growth regulator of the present invention is remarkably improved Rice Heading
The carbon-nitrogen ratio of nutrition organs is also remarkably improved the running rate and contribution rate of NSC.
In the present invention, the solvent of the rice growth regulator includes but is not limited to water；The rice growth regulator
It may also include the auxiliary materials such as stabilizer, preservative, protective agent, according to conventional technical means in the art is determining and addition, belong to
Rice growth regulator of the present invention.
In the present invention, the preparation method of the rice growth regulator includes: by concentration by glucose, sodium chloride and molten
Agent mixes to get rice growth regulator.
Test shown in the embodiment of the present invention is it is also shown that the concentration of Exogenous Glucose and potassium chloride and rice Floret differentiation
There are the correlativities of conic section for several, existing number.In the concentration range that limits of the present invention, glucose and potassium chloride concentration with
Clever Floral differentiation number, existing number related coefficient reach extremely significant level.
The present invention also provides rice growth regulators described in above-mentioned technical proposal in point for promoting rice branch stalk and grain husk flower
Change, the application in the degeneration that reduction rice branch stalk and grain husk are spent.Experiments have shown that, applied of the present invention shown in the embodiment of the present invention
After rice growth regulator, the branch stalk and clever Floral differentiation number of rice are significantly increased relative to blank control, branch stalk and grain husk flower
Degeneration number have significant decrease relative to blank control.
The present invention also provides rice growth regulators described in preceding solution to improve the application in rice yield.Such as
Experiments have shown that, after applying rice growth regulator of the present invention, the mass of 1000 kernel of rice is enriched described in the embodiment of the present invention
Degree, setting percentage and yield are significantly increased compared to blank control, that is, have been respectively increased 3.98%, 2.97% and 7.20%.
The present invention also provides providing a kind of application method of rice growth regulator described in preceding solution, including
Following steps:
The morning 6~8 point or afternoon 5~7 point of 15~20d before Rice Heading, with the rice growth regulator to water
Rice carries out foliage-spray, sprays same day requirement without rain.
The present invention studies have shown that whens 20 days to 15 days before Rice Heading apply rice growth regulator of the present invention
Rice grain husk Floral differentiation can be significantly improved, reduces and degenerates, and then improves rice yield.And the 25d application before Rice Heading
Rice growth regulator cannot achieve the present invention since 25d or so can play opposite regulating effect to NSC before Rice Heading
Purpose.
The present invention selection 6 points~8 points of the morning or afternoon 5~7 point application rice growth regulator the purpose is to reduce
Adverse effect of the high temperature to spraying effect.
It is the absorption in order to promote stem sheath and leaf to rice growth regulator that the present invention, which selects foliage-spray,.In the present invention
In, the spraying method of the rice growth regulator preferably sprays by spraying, and the present invention is to the device by spraying without special
It limits, using spraying device known in the art.In the present invention, the sprayed dose of the rice growth regulator
In the present invention, the sprayed dose of the rice growth regulator is preferably the cave 5~8ml/, more preferably 6~
The cave 7ml/.
In the present invention, the number that sprays of the rice growth regulator is preferably 1~2 time, and more preferably 2 times.At this
In invention, if repeatedly being sprayed, the adjacent interval time sprayed twice is preferably 5d.
Technical solution provided by the invention is described in detail below with reference to embodiment, but they cannot be understood
For limiting the scope of the present invention.
Embodiment 1
The preparation method of the present embodiment rice growth regulator, is made of the following steps:
The first step calculates separately grape by the proportionate relationship according to concentration of glucose 200mmol/L, potassium chloride concentration 8ml
Then the dosage of sugar and potassium chloride weighs glucose and potassium chloride respectively；
Second step, by after weighing glucose and potassium chloride be placed in container, be dissolved in water after mixing, obtain grape
The rice growth regulator of sugared glucose 200mmol/L, potassium chloride concentration 8ml.
The application method of the present embodiment rice growth regulator: 20 days before Rice Heading~heading preceding 15 day morning 6~8
Point or afternoon 5~7 point spray 1~2 time to rice leaf with spray pattern, if spraying 2 times, each time interval 5d.Spray
Applying ought be day by day without rain.
This experiment is arranged in the experimental plot of Academy of Agricultural Sciences, Suzhou City, and experimental field soil is clay, preceding stubble wheat, rice
Sowing on May 15, transplanting on June 20, time of infertility applied nitrogen 18Kg, the rice is doing well when test.
6 cells, plot area 6m × 2m=12m is arranged in experimental plot2, seeding row spacing 13cm × 30cm, every cell about 300
Cave, 3 repetitions, random alignment.Rice growth regulator prepared by embodiment 1 is 20 days and heading first 15 days before Rice Heading
The morning 6~8 point spray 2 times to rice leaf with spray pattern, and each cell sprays the use of rice growth regulator every time
Amount is 2000ml, using clear water as blank control.25 days~heading stage takes average stem every 5 days and in the maturity period before heading
3 cave of single cave of tiller number, finish in 105 DEG C of constant temperature ovens 60min after stem sheath, greenery and the fringe above it are separated, and then exists
Weighing is dried in 80 DEG C；Stem sheath and blade dry sample are pulverized and sieved with miniature high-speed pulverizer, for measuring plant nutrition organ
Total nitrogen content and unstructuredness carbon (soluble sugar+starch) content of (stem sheath and greenery).The measurement of total nitrogen content uses kelvin
Nitriding；The measurement of unstructuredness carbon content uses anthrone colorimetry.
Non-Structural Carbohydrate (NSC) cumulant (kg.hm-2)=single plant dry biomass × unstructuredness carbon content
× number of plants per unit area
Stem sheath NSC Transport Rate (%)=(heading stage stem sheath NSC cumulant-maturity period stem sheath NSC cumulant)/heading stage stem
Cumulant × 100 sheath NSC
Stem sheath NSC contribution rate (%)=(heading stage stem sheath NSC cumulant-maturity period stem sheath NSC cumulant)/maturity period seed
Grain dry mass × 100
In heading stage, (fringe extraction 2/3) chooses growing way consistent listed stem 10 for branch stalk and Floret differentiation, degeneration
Measurement, observe and record every cladus stalk and the degeneration number and existing number of raw grain husk flower thereon.Point of every cladus stalk and grain husk flower
Change the summation that number is degeneration number and existing number.
Degradation ratio (%)=branch stalk (grain husk flower) degeneration number/branch stalk (grain husk flower) differentiation number × 100
It takes 3 cave of single cave of average spike number in the maturity period, investigates empty empty grain number, mass of 1000 kernel, calculate every total grain panicle number, solid
Rate, circularity and theoretical yield, and paid meter produces.
Experimental result is as follows:
Influence of 1 rice growth regulator of the table processing to Jointing stage nutrition organs C N metabolism
As shown in table 1, prepared rice growth regulator can significantly improve the carbon-nitrogen ratio for preceding nutrition organs of earing, heading
First 15 days, 10 days, 5 days and heading stage rice carbon-nitrogen ratio improve 9.64%, 4.87%, 3.52% and than control respectively
10.60%.
The processing of 2 rice growth regulator of table accumulates the influence with operating to nutrition organs NSC
As shown in table 2, prepared rice growth regulator can significantly improve stem sheath running rate and contribution rate, single stem stem sheath
NSC running rate and contribution rate improve 17.26% and 11.67% than control respectively.
The processing of 3 rice growth regulator of table to branch stalk and clever flower-shape at influence
As shown in table 3, prepared rice growth regulator can significantly improve rice branch stalk and clever Floral differentiation number, reduce
Degeneration number is degenerated several points so that final grain number per spike, branch stalk and clever Floral differentiation number improve 12.9 and 34.0 than control respectively
6.2 and 14.6 are not reduced than control.
Influence of 4 rice growth regulator of the table processing to seed grain weight, circularity, setting percentage and yield
| Processing | Mass of 1000 kernel (g) | Circularity (%) | Setting percentage (%) | Yield (t.hm-2) |
| Regulator processing | 23.5 | 90.2 | 90.7 | 12.35 |
| Blank control | 22.6 | 87.6 | 85.9 | 11.52 |
As shown in table 4, prepared rice growth regulator can significantly improve rice mass of 1000 kernel, circularity, setting percentage and
Yield improves 3.98%, 2.97%, 7.20% than control respectively.
Embodiment 2
The glucose for preparing 5 kinds of concentration levels (0,100mmol/L, 200mmol/L, 300mmol/L, 400mmol/L) is molten
The Klorvess Liquid of liquid and 5 kinds of concentration levels (5mmol/L, 10mmol/L, 15mmol/L, 20mmol/L, 25mmol/L), in water
Rice ears 6 points~8 points of preceding 20 day morning to be sprayed at 3 leaf positions of rice strain top, and cell is arranged with embodiment 1.What branch stalk and grain husk were spent
Measurement and calculation method are the same as embodiment 1.
As shown in Figure 1, clever Floral differentiation number and existing number and Exogenous Glucose be there are the correlativity of conic section, and phase
Relationship number has reached extremely significant level, is convenient concentration range within the scope of 150~250mmol/L.
As shown in Fig. 2, clever Floral differentiation number and existing number and potassium concn be there are the correlativity of conic section, and phase relation
Number has reached extremely significant level, is convenient concentration range within the scope of 5-10mmol/L
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of rice growth regulator, which is characterized in that including 150~250mmol/L glucose and 5~10mmol/L chlorination
Potassium.
2. rice growth regulator according to claim 1, which is characterized in that including 200mmol/L glucose and
8mmol/L potassium chloride.
3. rice growth regulator as claimed in claim 1 or 2 promote rice branch stalk and clever Floral differentiation, reduce rice branch stalk and
Application in the degeneration of grain husk flower.
4. rice growth regulator as claimed in claim 1 or 2 is improving the application in rice yield.
5. a kind of application method of rice growth regulator as claimed in claim 1 or 2, which comprises the following steps:
The morning 6~8 point or afternoon 5~7 point of 15~20d before Rice Heading, with the rice growth regulator to rice into
Row foliage-spray；Same day requirement is sprayed without rain.
6. application method according to claim 5, which is characterized in that the mode that sprays is to spray by spraying.
7. application method according to claim 5, which is characterized in that the sprayed dose of the rice growth regulator is 5
The cave~8ml/.
8. application method according to claim 5, which is characterized in that the number that sprays of the rice growth regulator is 1
~2 times.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990303A (en) * | 2020-09-10 | 2020-11-27 | 苏州市农业科学院 | Method for breeding Australia freshwater crayfishes in paddy field |
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2019
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| CN101142918A (en) * | 2007-11-02 | 2008-03-19 | 祖小力 | Foliage preparation capable of improving rice seed setting in cold area |
| CN102807408A (en) * | 2012-08-16 | 2012-12-05 | 南通兆丰复合肥有限公司 | Earing fertilizer special for rice and production method thereof |
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| ZHANG 等: ""Sugars, antioxidant enzymes and IAA mediate salicylic acid to prevent rice spikelet degeneration caused by heat stress"", 《PLANT GROWTH REGULATION》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990303A (en) * | 2020-09-10 | 2020-11-27 | 苏州市农业科学院 | Method for breeding Australia freshwater crayfishes in paddy field |
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