CN106659116A - Coated rice seed and method for producing same - Google Patents
Coated rice seed and method for producing same Download PDFInfo
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- CN106659116A CN106659116A CN201580039330.4A CN201580039330A CN106659116A CN 106659116 A CN106659116 A CN 106659116A CN 201580039330 A CN201580039330 A CN 201580039330A CN 106659116 A CN106659116 A CN 106659116A
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- rice
- calcium carbonate
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Abstract
Disclosed is a coated rice seed having a coating layer on the surface of a rice seed, wherein: the coating layer includes calcium carbonate, and at least one type of copolymer selected from the group consisting of styrene-butadiene copolymers and methyl methacrylate-butadiene-styrene copolymers; and the content of said calcium carbonate is 30-90 wt% to 100 wt% of said coated rice seeds. Thus, it is possible to provide coated seeds that are less susceptible to bird damage, and that do not have the problem of reduced germination rate as in conventional iron coatings.
Description
Technical field
The present invention relates to coated rice seed (rice of coating, coated rice seed) and preparation method thereof.
Background technology
Paddy rice directly sows cultivation and represents that by directly sowing rice to the cultural method in rice field it has saving agriculture
The advantage of industry work, because the method does not need some nursery and rice transplanting work.However, the method has easily receiving by birds such as duck
The shortcoming of the impact of the harm of ingesting (i.e. bird pest) of son and sparrow.By planting percent (establishment caused by bird pest
Percent) reduce making revenue decline, and accordingly, there is a need for avoiding the strategy of bird pest.As for avoiding the routine of bird pest
Strategy, it has been proposed that the method for preventing bird pest using water management.However, it is necessary to type change of the method according to bird
Management system (see, e.g., non-patent literature 1).
Furthermore it is known that iron coating irrigation directly sow as it is a kind of be used for by being coated with iron powder (coating or cladding,
Coating) rice is suppressing floating of the seed in soil surface sowing come the skill of the harm that prevents from being ingested caused by by sparrow
Art means (see, e.g., non-patent literature 2).However, because the technological means consolidating using iron powder (being attributed to its oxidation)
Change, there are heat and some germination percentages reductions that the sub burdensome task of some management coated rice seeds is produced if desired for release by oxidation
Problem, except non-management is sufficient.The known scheme for solving the problem is using the polyvinyl alcohol with high saponification value and bag
Coating method of the clothing material such as iron oxide to rice (referring to patent document 1).
Quote inventory
Patent document
Patent document 1：JP 2013-146266 A1
Non-patent literature
Non-patent literature 1：Nagao SAKAI and three other staff, " Prevention of bird damage in
(flowing paddy rice directly sows bird pest in cultivation to the flowed paddy rice direct sowing cultivation
Prevention) ", The Hokuriku Crop Science, the Crop Science Society of Japan, in March, 1999
31 days, Vol.34, p.59-61.
Non-patent literature 2：Minoru YAMAUCHI, " A manual for direct sowing of iron-
Coated rice on a flooded paddy field 2010 (on irrigation rice field iron coating rice direct sowing handbook
2010) ", The National Agriculture and Food Research Organization, Western Region
Agricultural Research Center, in March, 2010.
Summary of the invention
(the problem to be solved in the present invention)
It is an object of the invention to provide solving the problems, such as the coated rice seed that germination percentage is reduced in conventional iron coated rice seed
Son, it is less susceptible to be affected by bird pest.
(means of solve problem)
The present inventor in depth studied to find such coated rice seed, and consequently found that has
Coated rice seed of coatings (clad, coating layer), wherein the coatings contain calcium carbonate and selected from benzene
At least one copolymerization in the group of ethylene-butadiene copolymer and MBS composition
Thing, and the content of calcium carbonate is 30-90 weight % relative to the coated rice seed of 100 weight %, coated rice seed
It is less susceptible to be affected by bird pest.
The present invention includes embodiments below.
[1] a kind of coated rice seed, coated rice seed has coatings on the surface of rice, wherein the bag
Clothing layer contains calcium carbonate and selected from SB and MBS copolymerization
At least one copolymer in the group of thing composition, and the content of the calcium carbonate is relative to the coating rice of 100 weight %
Seed is 30-90 weight %.
[2] coated rice seed described in [1], wherein the glass transition point of the copolymer is less than 10 DEG C.
[3] a kind of method for preparing coated rice seed, the method comprising the steps of；
(1) by calcium carbonate and selected from SB latex and methyl methacrylate-butadiene-
At least one copolymer emulsion in the group of styrene copolymer latices composition is added in rice, while moving the seed
Move and roll (rotate, moving and rolling) that calcium carbonate is attached to the surface of the rice, and (2) will be aforementioned
The seed drying obtained in step.
[4] method described in [3], wherein the step of carrying out the step (1) to repeat addition calcium carbonate and addition
The step of copolymer emulsion, while moving rice and rolling that calcium carbonate is attached to the surface of the rice.
The single addition (single addition amount) of [5] method described in [4], wherein calcium carbonate is
The 1 to 1/20 of rice weight, and when the weight of the copolymer is scaled, the single addition of the copolymer emulsion
For the 1/10 to 1/1000 of rice weight.
The single addition of [6] method described in [4], wherein calcium carbonate is 5 relative to the rice of 100 weight portions
To 100 weight portions, and when the weight of the copolymer is scaled, the single addition of the copolymer emulsion relative to
The rice of 100 weight portions is 0.1 to 10 weight portion.
[7] method described in any one of [3] to [6], relative to the rice of 100 weight portions, methods described makes
With the calcium carbonate of 100 to 1200 weight portions.
[8] coated rice seed that prepared by a kind of method by described in any one of [3] to [7].
[9] a kind of method for cultivated rice, methods described is included the coated rice seed described in [1], [2] or [8]
The step of son is directly sowed to rice field.
Brief description
[Fig. 1] is used to illustrate the program prepared for determining the test sample of the hardness of coated rice seed of the present invention
Schematic diagram.
[Fig. 2] is used to illustrate the schematic diagram for determining the program of the hardness of coated rice seed of the present invention.
[Fig. 3] is used to illustrate the schematic diagram of the simple seed coating machine for being used for coated rice seed in embodiment.
For implementing the mode of the present invention
Coated rice seed (hereinafter referred to as " coated rice seed of the present invention ") of the present invention has on the surface of rice
There are coatings, the coatings contain calcium carbonate and selected from SB and methyl methacrylate-fourth two
At least one copolymer (hereinafter referred to as " present copolymer ") of the group of alkene-styrol copolymer composition.
As used in this article, rice is intended to mean that the seed of the rice varieties of usual cultivation.The example bag of kind
Include such as the species of Jing (Japonica) subspecies and Xian (Indica) subspecies, preferably with high lodging resistance (lodging
Resistance) and germination percentage mutation.
Commercially available calcium carbonate (CaCO can in the present invention be used3).The example of commercially available calcium carbonate
The calcium carbonate manufactured including the calcium carbonate manufactured by Sankyo seifun co.ltd and by Nitto funka kogyo K.K..
Additionally, calcium carbonate is generally used in powder form, and in (D90-D10)/D50, the granularity of calcium carbonate preferably 1.0 to
In the range of 8.0, and more preferably in the range of 2.0 to 6.0, wherein D10, D50 and D90 are defined as corresponding to from utilization
The 10% of the small diameter area side of the channel zapping based on volume that laser diffraction/scatter-type particle size distribution analysis instrument determines tires out
The granularity of product, 50% accumulation and 90% accumulation.The example of laser diffraction/scattering particle size distribution analysis instrument include LA-950V2 (by
HORIBA, Ltd. are manufactured), and afterwards, can be by the measurement being distributed on the particle of calcium carbonate using the analyzer in water
Method, i.e. wet sample measurement method are determining D10, D50 and D90.
Relative to coated rice seed of the present invention of 100 weight %, the content of calcium carbonate is in the range of 30 to 90 weight %.
The effect that can realize being less susceptible to be affected by bird pest by above-mentioned calcium carbonate contents more than 30 weight %.Meanwhile, calcium carbonate
Content is preferably in the range of 50 to 90 weight %, 60 to 90 weight % and 60 to 80 weight %.As used in this article,
The weight of coated rice seed of the present invention represents being dried rice, calcium carbonate, present copolymer and to be included before coating
Any optional components gross weight, wherein any optional components to be included include pesticide activity component cited below
(killing harmful organism active component, pesticidally active ingredient), colouring agent and surfactant.
Copolymer that SB is made up of styrene and 1,3-butadiene and SBR is abbreviated as, its
Commonly known as synthetic rubber.MBS is also commonly known, and be by
The terpolymer of methyl methacrylate, 1,3-butadiene and styrene composition, it is abbreviated as MBS.As made herein
, respectively, SBR can be as the SBR with carboxyl (- COOH) in the molecule (hereinafter referred to as " carboxy-modified
SBR ") use, and MBS can be as the MBS with carboxyl (- COOH) in the molecule (hereinafter referred to as " carboxy-modified
MBS ") use.Additionally, the glass transition point (Tg) of present copolymer is generally below 10 DEG C, preferably -50 DEG C to 10
DEG C, in the range of more preferably -30 DEG C to 0 DEG C.
As used in this article, present copolymer is used in the form of latex (latex).Latex is that polymer is micro-
The aqueous liquid dispersion of grain, and the particle mean size of particulate is usually less than 1 μm.Used herein, in such as latex
The particle mean size of polymer particles is determined using laser diffraction/scatter-type particle size distribution analysis instrument, and represents it based on body
The granularity of 50% accumulated frequence is reached in long-pending channel zapping.The content (solids content) of the polymer in latex is usually
About 40 to 70% (relative to weight % of latex).Commercially available SBR latex and MBS latex can serve as being total to for the present invention
Polymers latex, and the example of commercially available SBR latex and MBS latex includes that NALSTAR SR103 are (carboxy-modified
MBS latex, Tg；7 DEG C, manufactured by NIPPON A＆L INC.) and NALSTAR SR140 (carboxy-modified MBS latex, Tg；-12
DEG C, manufactured by NIPPON A＆L INC.).
Relative to coated rice seed of the present invention of 100 weight %, the content of present copolymer is generally in 0.1 to 6 weight
In the range of amount % and preferably 0.25 to 6 weight %, 1 to 6 weight % and 2 to 4 weight %.
Coatings can contain pesticide activity component.The example of pesticide activity component includes that active insecticidal components, sterilization are living
Property composition, herbicidal active component and plant growth regulating activity composition.
The example of active insecticidal components includes clothianidin (clothianidin), imidacloprid (imidacloprid) and thiophene
Worm piperazine (thiamethoxam).
The example of fungicide active ingredient includes isotianil (isotianil) and furametpyr (furametpyr).
The example of herbicidal active component includes imazosulfuron (imazosulfuron) and bromobutide
(bromobutide)。
The example of plant growth regulating activity composition includes uniconazole P P (uniconazole P).
As used in this article, pesticide activity component can be used directly as former state, or can be with solid carrier such as
Clay mixes, and is optionally ground for use as abrasive flour with grinder such as dry mill.The granularity of pesticide activity component is usual
For less than 200 μm, preferably less than 100 μm.As used in this article, the granularity of pesticide activity component means to spread out using laser
Penetrate/scatter-type particle size distribution analysis instrument determine granularity, based on volume channel zapping in reach its accumulated frequence
100%.When pesticide activity component mixes with solid carrier, the granularity of pesticide activity component represents the granularity of mixture.Laser
The example of diffraction/scatter-type particle size distribution analysis instrument includes LA-950V2 (by HORIBA, Ltd. manufactures), and the analyzer is used
In by the way that the particle of pesticide activity component is distributed in water, i.e. wet sample measurement method is determining granularity.
When coatings contain pesticide activity component, the total content of pesticide activity component relative to 100 weight % this
Bright coated rice seed is generally in the range of 0.01 to 10 weight %, preferably 0.05 to 5 weight %.
Coatings can contain colouring agent.The example of colouring agent include pigment, dyestuff and stain, and it is particularly preferred to
Pigment.Pigment is preferably red or blue pigment such as Nubix G-58 (blue pigment is manufactured by nubiola Inc.) and TODA
COLOR-300R (red pigment is manufactured by TODA KOGYO CORP.).
When coatings contain colouring agent, the total content of smears is sub relative to the coated rice seed of the present invention of 100 weight %
Generally in the range of 0.01 to 10 weight %, preferably 0.1 to 5 weight %, more preferably 0.5 to 5 weight %.
Additionally, surfactant can be attached to the surface of coatings.Surfactant is preferably non-ionic surface active
Agent, and nonionic surfactant is preferably polyoxyethylene styryl phenyl ether.When coated rice seed of the present invention is wherein
Surfactant is attached to the coated rice seed period of the day from 11 p.m. to 1 a.m of the coating layer surface of coated rice seed of the present invention, the total content of surfactant
It is sub generally in 0.001 to 3 weight %, the scope of preferably 0.01 to 2 weight % relative to the coated rice seed of the present invention of 100 weight %
It is interior.
Coatings can be prepared in the following manner：Calcium carbonate and present copolymer latex are added in mobile and
The rice of rolling condition so that calcium carbonate to be attached to the surface of rice, and by seed drying.
Method (hereinafter referred to as " preparation method of the present invention ") for preparing coated rice seed of the present invention includes adding
Plus calcium carbonate and present copolymer latex, while moving rice and rolling that calcium carbonate is attached to the surface of rice
The step of (hereinafter referred to as " step 1 "), and by abovementioned steps obtain seed be dried the step of (below
In, referred to as " step 2 ").
In the preparation process in accordance with the present invention, seed was generally soaked before step 1 is carried out.In detail, dry rice is put
Enter in bag such as rice bag and soak in water.It is preferred that seed is soaked three to four days to prepare tool in water at 15 to 20 DEG C
There is coated rice seed of bud rate occurred frequently.Rice is reclaimed from water, and is generally stood or Rotary drying is removing on surface
Excessive water.
Step 1 is carried out using the rice for obtaining.Step 1 is included to the rice (1- in mobile and rolling condition
1) the step of the step of adding calcium carbonate (hereinafter referred to as " step 1-1 ") and (1-2) addition present copolymer latex
(hereinafter referred to as " step 1-2 ").Step 1-1 can be carried out, step 1-2 is then carried out, and can be with switch step 1-1
With the order of step 1-2 without hell and high water.Step 1-1 and step 1-2 can be carried out simultaneously.
Device for moving rice and to roll is known device such as coating machine.The total addition level of calcium carbonate
100 to 1,200 weight portions are usually relative to the dry rice of 100 weight portions, and preferred scope includes 150 to 1,200 weights
Amount part, 150 to 1,000 weight portions, 150 to 500 weight portions and 190 to 400 weight portions.Total addition of present copolymer latex
Measure the rice that is dried relative to 100 weight portions and be usually 1 to 100 weight portion, and preferred scope include 5 to 50 weight portions, 5
To 20 weight portions and 8 to 16 weight portions.In addition, the weight ratio of present copolymer and calcium carbonate is generally 1: 10 to 1: 100, it is excellent
Select in the range of 1: 25 to 1: 50.
Describe step 1 in detail.For step 1-1, by calcium carbonate be added to rice in mobile and rolling condition with
Calcium carbonate is set to spray in rice.For step 1-2, present copolymer latex dilute with water and is added as needed
To the rice in mobile and rolling condition so that present copolymer latex is sprayed in rice.When by copolymerization of the present invention
During thing latex dilute with water, latex is diluted to allow the solids content of latex 20 to 65%, preferably 30 to 60%, more
It is preferred that in the range of 30 to 40%.Method for adding present copolymer latex includes being added dropwise and sprays.Additionally, of the invention
Preparation method allow by make rice move and roll while repeat step 1-1 and step 1-2 and in seed rice
Uniform coatings are formed on the surface of son.When step 1 is by repeating step while rice is moved and is rolled
Rapid 1-1 and 1-2 and when the step of calcium carbonate being attached to the surface of rice, present copolymer latex and calcium carbonate individually add
Plus.In this case, the single addition of calcium carbonate is usually about the 1 to 1/20 of drying of rice seed weight, i.e., with about 1/20,
Preferably from about 1/2 to 1/6 suitable amount, and when the weight of present copolymer is scaled, the list of present copolymer latex
Secondary addition is usually and is dried about 1/10 to 1/1,000, preferably from about 1/10 to 1/200, more preferably from about the 1/50 to 1/ of rice
150.That is, the single addition of calcium carbonate is typically about 5 to 100 weight portions relative to the drying of rice seed weight of 100 weight portions,
Preferably from about 16.7 to 50 weight portions, and when the weight of present copolymer is scaled, the single of present copolymer latex
Addition is usually 0.1 to 10 weight portion relative to the drying of rice seed weight of 100 weight portions, preferably 0.5 to 10 weight portion, more
It is preferred that 0.67 to 2 weight portion.Here, as used in this article, the single addition of present copolymer latex is represented
For the single addition of calcium carbonate to be attached to the total addition level of rice.Any one in step 1-1 and step 1-2 can
To be carried out according to the state of coating, without alternately step 1-1 and step 1-2.In the excellent of preparation method of the invention
In selecting embodiment, step 1-1 and step 1-2 are repeated in the scope of 8 to 16 times.In the preparation process in accordance with the present invention,
Water can only be added as needed.The total addition level (weight) of water generally calcium carbonate total addition level (weight) 1/2 to 1/
In the range of 100, preferably 1/3 to 1/30.Meanwhile, the total addition level of water includes the water for being used for diluting present copolymer latex
Amount.
In step 1, when calcium carbonate is attached to the inwall of device, be able to will be added by scraping calcium carbonate with scraper
Plus the amount of substantially all of calcium carbonate be attached to the surface of rice.When pesticide activity component and colouring agent is added, carbonic acid
Calcium generally adds in step 1 together with which.Additionally, by the calcium carbonate of specified rate is attached to rice surface it
Surfactant is added to the rice in mobile and rolling condition afterwards, surfactant can be attached in rice
Surface on formed coatings surface.
After step 1, step 2 is carried out.Specifically, after step 1, rice is reclaimed from device, is placed in children
Thinly extending wherein and stand with drying in seedling box.Generally by the water content (phase of rice drying to less than 20%
For weight % of coated rice seed).As used in this article, the water content of coated rice seed is represented by by 10g
Sample in 105 DEG C of dryings one hour afterwards using the value of infrared humidifier measurement.By Kett Electric Laboratory
The FD-610 of manufacture can serve as infrared humidifier.In step 2, it is possible to use straw mattress or vinyl pieces replace seedling case with
Thinly extend thereon and stand with drying.
Because coatings are generated in the coatings that moisture state has certain hardness, coated rice seed made above
Rice on irrigation rice field (paddy field, flooded paddy field) is less susceptible to the effect affected by bird pest in directly sowing.Make
Hardness of the coatings of coated rice seed of the present invention under moisture state is can determine with following procedure.
(I) coated rice seed under drying regime (less than 20% water content) is cut into half with cutter.Now,
Along arrow a cutting rices b as shown in FIG. 1.
(II) brown rice part is removed from coated rice seed of cutting half, to obtain what is be only made up of coatings and rice husk
Test film.
(III) test film is put in petri diss (petri dish) to be completely sunk in the water, is being completely soaked
30 minutes are stood under state, and is reclaimed from water, then wipe the water for being attached to test film surface, obtained under moisture state
Test film c.
(IV) for the test film c under moisture state, according to following procedure, using by TsutsuiScientific
The simple pellet hardness testing machine of Instrument co., ltd manufacture determines hardness, and condition is in measure used herein
Used in taper pressure rod.
(IV-I) as shown in Figure 2, test film c is placed on sample stage d so that cutting section can be towards downward
Direction place, and rotate pressurized handle in the case of remove pressure rod test film c is centrally positioned in part.
(IV-II) record when test film c is crushed and returns pointer by slow swing handle afterwards by pointer
The hardness of instruction.
(IV-III) other six test film c determined as outlined above, and by by addition to maximum and minimum of a value
The arithmetic mean of instantaneous value of five point calculating is defined as the hardness of coatings.
The hardness of the coatings of coated rice seed of the present invention determined by above method is usually more than 500g, and excellent
Select 500 to 2,500g and 700 to 1,500g.
By by coated rice seed of the present invention son directly sow to rice field to carry out the present invention in the method for cultivated rice
(hereinafter referred to as " cultural method of the present invention ").As used in this article, rice field represent irrigation rice field (paddy field,
Any one of flooded paddy field) and draining rice field (drained paddy field).Specifically, according to
Minoru Yamauchi, " A manual for direct sowing of iron-coated rice on a flooded
Paddy field 2010 (the direct sowing handbook 2010 of the rice of iron coating on irrigation rice field) ", The National
Agriculture and Food Research Organization, Western Region Agricultural
Research Center, the method described in March, 2010 is sowed.At this point it is possible to using directly broadcasting for iron coating
Plant machine such as Tetsumakichan (name of product) (being manufactured by Kubota Corporation).After sowing, by maintaining mark
Quasi- cultivation condition and realize good cultivation.
The present invention cultural method in, can before planting, sowing while or sowing after-applied agricultural chemicals and fertilizer
Material.Agricultural chemicals includes fungicide, insecticide and herbicide etc..
Embodiment
The present invention is more fully described by embodiment.
First, describe preparation example and compare preparation example.
For following preparation example and preparation example is compared, unless otherwise stated, using hinohikari kinds seed as
Rice and it is prepared process under room temperature (about 15 DEG C).
Additionally, in preparation example and to compare trade name used in preparation example as follows.
G-100：Calcium carbonate, is manufactured by Sankyo Seifun Co., Ltd.s.
SS#80：Calcium carbonate, is manufactured by Nitto Funka Kogyo K.K..
NALSTAR SR140：Carboxy-modified MBS latex, Tg；- 12 DEG C, solids content；48.5%, by NIPPON A＆L
INC. manufacture.
NALSTAR SR103：Carboxy-modified SBR latex, Tg；7 DEG C, solids content；48.2%, by NIPPON A＆L
INC. manufacture.
TODACOLOR 300R：Red pigment, is manufactured by TODA KOGYO CORP..
Nubix G-58：Blue pigment, is manufactured by nubiola Inc..
SHOKOZAN CLAY S：Agalmatolite (talcum, agalmatlite), by SHOKOZAN MINING Co., Ltd.s system
Make.
KURARAY POVAL PVA117S：Polyvinyl alcohol, saponification degree；98.0 to 99.0 moles of %, by KURARAY CO.,
LTD. manufacture.
Mowinyl 180E：The copolymer emulsion being made up of vinyl acetate and ethene, Tg；- 15 DEG C, solids content；
55%, manufactured by Nippon Synthetic Chemical Industry Co., Ltd.s.
Mowinyl 6485：The copolymer emulsion being made up of acrylate and styrene, Tg；- 22 DEG C, solids content；
55%, manufactured by the Nippon Synthetic Chemical Industry Co., Ltd.
Preparation example 1
First, the simple seed coating machine for being coated with the rice for being used on a small quantity is built.As shown in Figure 3,
Simple seed coating machine is built in the following manner：The cup 2 with 500mL capacity by made by polyethylene is fixed to into axle 1
Tip, is inserted into the drive shaft of vibrator 3 (3 1 motors are manufactured by Shinto Scientific Co., Ltd.s), and
And be fixed on base 4 so that vibrator 3 can be opened with 45 degree of the elevation angle.
Then, the SS#80 of the G-100 of 60.0 weight portions and 20.0 weight portions is mixed, to obtain calcium carbonate mixture A.
(D90-D10)/D50 in calcium carbonate mixture A is shown as 2.7.
Additionally, the water of the NALSTAR SR140 and 3g of 6.6g is mixed, it is dilute with the NALSTAR SR140 water for obtaining 9.6g
Release solution.
To in the cup with 200mL capacity by made by polyethylene, the water of about 100mL is poured into, and be added to 20g
Be dried rice, afterwards soak 10 minutes.Reclaim rice from water afterwards, remove attachment excessive water on the surface,
During rice to be then loaded into the cup by made by polyethylene 2 of the simple seed coating machine for being fixed to constructed.In vibrator 3
In rotating speed 130 simple seed coating machine is run to 140rpm, afterwards using dropper by the NALSTAR of 9.6g
While about 1/16 (about 0.6g) of SR140 water dilute solutions is added dropwise over the surface to rice, the calcium carbonate of 80g is mixed
About 1/16 (the about 5g) of thing A adds to rice surface, and calcium carbonate is attached to into rice.When calcium carbonate mixture A attachments
During the inwall of cup 2, scrape calcium carbonate mixture A to mix in the calcium carbonate added by single with scraper to by made by polyethylene
The amount of the substantially all of compound A is attached to rice.Under conditions of simple seed coating machine is rolled, will about using dropper
While the NALSTAR SR140 water dilute solutions of 0.6g are added dropwise over to rice, by the calcium carbonate mixture A of addition about 5g
Operation sequence repeat amount to 16 times, the calcium carbonate mixture A of 80g is attached to into the surface of rice.By coated rice seed
Launch in stainless steel pallet not overlap and be dried overnight, so as to coated rice seed 1 for obtaining the present invention (hereinafter, claims
For " coated rice seed 1 of the present invention ").The present invention of calcium carbonate and the respective content of present copolymer relative to 100 weight %
Coated rice seed 1 is respectively 77.5 weight % and 3.1 weight %, and the coatings in coated rice seed 1 of the present invention is hard
Spend for 908g.
Preparation example 2
The SS#80 of the G-100 of 30: 1 (30.0) weight portion and 9.0 weight portions is mixed, to obtain calcium carbonate mixing
Thing B.(D90-D10)/D50 in calcium carbonate mixture B is shown as 3.2.By the calcium carbonate mixture B of 39 (39) g and
The TODACOLOR 300R mixing of 1g, to obtain the mixture B of 40g.
Additionally, the water of the NALSTAR SR140 and 1.5g of 3.3g is mixed, to obtain the NALSTAR SR140 water of 4.8g
Dilute solution.
Coated rice seed 2 of the present invention is obtained (hereinafter referred to as " present invention bag according to the program similar to preparation example 1
Clothing rice 2 "), difference is that the above NALSTAR SR140 water dilute solution for using 4.8g replaces 9.6g
NALSTAR SR140 water dilute solutions, and the calcium carbonate mixture A of the thing B mixed above replacement 80g using 40g.However,
In addition, under conditions of simple seed coating machine is rolled, using dropper by the NALSTAR SR140 water dilute solutions of 4.8g
About 1/8 (about 0.6g) while be added dropwise over the surface to rice, will addition 40g calcium carbonate mixture B about 1/8
The operation sequence of (about 5g) repeats to amount to 8 times, and the mixture B of 40g is attached to into the surface of rice.Calcium carbonate and the present invention
The respective content of copolymer is respectively 63.3 weight % and 2.6 weights relative to coated rice seed of the present invention 2 of 100 weight %
Amount %, and the hardness of the coatings in coated rice seed 2 of the present invention is 805g.
Preparation example 3
The SS#80 of the G-100 of 60: 1 (60.0) weight portion and 19.0 weight portions is mixed, to obtain calcium carbonate mixing
Thing C.(D90-D10)/D50 in calcium carbonate mixture C is shown as 2.3.By the calcium carbonate mixture C of 79 (79) g and
The Nubix G-58 mixing of 1g, to obtain mixture C.
Coated rice seed 3 of the present invention is obtained (hereinafter referred to as " present invention bag according to the program similar to preparation example 1
Clothing rice 3 "), difference is to use thing C mixed above to replace calcium carbonate mixture A.Calcium carbonate and present copolymer
Respective content is respectively 76.5 weight % and 3.1 weight % relative to coated rice seed of the present invention 3 of 100 weight %, and
The hardness of the coatings in coated rice seed 3 of the present invention is 1,020g.
Preparation example 4
By (E) -1- (the chloro- 1,3-thiazoles -5- bases-methyl of the 2-) -3- methyl -2- nitros of 70: 1 (70.0) weight portion
The SHOKOZAN CLAY S of guanidine (nitroguanizine) and 30.0 weight portions mix and are ground with centrifugal grinder, to obtain
Agricultural chemicals A must be ground.The granularity of the grinding agricultural chemicals A determined using LA-950V2 (by HORIBA, Ltd. manufactures) wet method is 68.0 μm.
By the grinding agricultural chemicals A mixing of the calcium carbonate mixture C and 0.086g of 80 (80) g obtained in preparation example 3, to obtain
80.086g mixture D.
Coated rice seed 4 of the present invention is obtained (hereinafter referred to as " present invention bag according to the program similar to preparation example 1
Clothing rice 4 "), difference is the calcium carbonate mixture A of the thing D mixed above replacement 80g for using 80.086g.Calcium carbonate
With the respective content of present copolymer relative to 100 weight % coated rice seed of the present invention son 4 be respectively 76.5 weight % and
3.1 weight %, and the hardness of the coatings in coated rice seed 4 of the present invention is 972g.
Preparation example 5
The water of the NALSTAR SR103 and 4.3g of 6: 6 (6.6) g is mixed, to obtain the NALSTAR of 10.9g
SR103 water dilute solutions.
Coated rice seed 5 of the present invention is obtained (hereinafter referred to as " present invention bag according to the program similar to preparation example 1
Clothing rice 5 "), difference is that the above NALSTAR SR103 water dilute solution for using 10.9g replaces 9.6g
NALSTAR SR140 water dilute solutions.The present invention of calcium carbonate and the respective content of present copolymer relative to 100 weight %
Coated rice seed 5 is respectively 77.5 weight % and 3.1 weight %, and the coatings in coated rice seed 5 of the present invention is hard
Spend for 752g.
Preparation example 6
The SS#80 of the G-100 of 90: 1 (90.0) weight portion and 30.0 weight portions is mixed, to obtain calcium carbonate mixing
Thing D.(D90-D10)/D50 in calcium carbonate mixture D is shown as 2.7.
Additionally, the water of the NALSTAR SR140 and 3.7g of 9.9g is mixed, to obtain the NALSTAR SR140 water of 13.6g
Dilute solution.
Coated rice seed 6 of the present invention is obtained (hereinafter referred to as " present invention bag according to the program similar to preparation example 1
Clothing rice 6 "), difference be use 120g above calcium carbonate mixture D replacement 80g calcium carbonate mixture A and
Replace the NALSTAR SR140 water dilute solutions of 9.6g using the above NALSTAR SR140 water dilute solution of 13.6g.However,
In addition, under conditions of simple seed coating machine is rolled, using dropper that the NALSTAR SR140 water dilution of 13.6g is molten
While about 1/24 (about 0.6g) of liquid is added dropwise over to rice, by about the 1/24 of the calcium carbonate mixture D of addition 120g (about
Operating process 5g) repeats to amount to 24 times, and the calcium carbonate mixture D of 120g is attached to into the surface of rice.Calcium carbonate and
The respective content of present copolymer is respectively 82.9 weight % and 3.3 relative to coated rice seed of the present invention 6 of 100 weight %
Weight %, and the hardness of the coatings in coated rice seed 6 of the present invention is 1,392g.
Preparation example 7
The SS#80 of the G-100 of 120: 1 (120.0) weight portion and 40.0 weight portions is mixed, to obtain carbonic acid
Calcium compound E.(D90-D10)/D50 in calcium carbonate mixture E is shown as 2.7.
Additionally, the water of the NALSTAR SR140 and 5.5g of 13.2g is mixed, to obtain the NALSTAR SR140 of 18.7g
Water dilute solution.
Coated rice seed 7 of the present invention is obtained (hereinafter referred to as " present invention bag according to the program similar to preparation example 1
Clothing rice 7 "), difference be use 160g above calcium carbonate mixture E replacement 80g calcium carbonate mixture A and
Replace the NALSTAR SR140 water dilute solutions of 9.6g using the above NALSTAR SR140 water dilute solution of 18.7g.However,
In addition, under conditions of simple seed coating machine is rolled, using dropper that the NALSTAR SR140 water dilution of 18.7g is molten
While about 1/32 (about 0.6g) of liquid is added dropwise over to rice, by about the 1/32 of the calcium carbonate mixture E of addition 160g (about
Operating process 5g) repeats to amount to 32 times, and the calcium carbonate mixture E of 160g is attached to into the surface of rice.Calcium carbonate and
The respective content of present copolymer is respectively 85.8 weight % and 3.4 relative to coated rice seed of the present invention 7 of 100 weight %
Weight %, and the hardness of the coatings in coated rice seed 7 of the present invention is 2,592g.
Compare preparation example 1
The KURARAY POVAL PVA117S of the iron oxide of ten (10) g and 0.1g are mixed, to obtain the mixing of 10.1g
Thing E.
The water of about 100mL is poured into in the cup with 200mL capacity by made by polyethylene, and be added to 20g
Be dried rice, afterwards soak 10 minutes.Reclaim rice from water afterwards, remove attachment excessive water on the surface,
Then rice is loaded into and is fixed in the cup by made by polyethylene 2 of the simple seed coating machine built in preparation example 1.
Rotating speed 130 in vibrator 3 runs simple seed coating machine to 140rpm, afterwards same with atomized water spray
When, add about 1/4 (the about 2.5g) of mixture E of 10.1g so that mixture E is attached to into rice.When mixture E be attached to by
Made by polyethylene during the inwall of cup 2, scrape mixture E with spatula to will pass through the big of the calcium carbonate mixture A that single adds
The amount of substantially all is attached to rice.Under conditions of simple seed coating machine is rolled, while atomized water spray is used, will
The operating process of the mixture E of addition about 2.5g repeats to amount to 4 times, and the mixture E of 10.1g is attached to into the table of rice
Face.Using the water for amounting to 1.1g.Coated rice seed is launched in stainless steel pallet afterwards, so as not to overlap and dried
At night, obtain coated rice seed 1 for comparing (hereinafter referred to as " comparing with coated rice seed 1 ").Iron oxide and PVA's
Content is respectively 99.0 weight % and 1.0 weight % relative to the comparison of 100 weight % with coated rice seed 1, and is comparing
Hardness with the coatings in coated rice seed 1 is 70g.
Compare preparation example 2
The water of the Mowinyl 180E and 3.5g of 5: 8 (5.8) g is mixed, to obtain the Mowinyl 180E water of 7.5g
Dilute solution.
Coated rice seed 2 for comparing is obtained (hereinafter referred to as " comparing use according to the program similar with preparation example 1
Coated rice seed 2 "), difference is that the above Mowinyl 180E water dilute solution for using 7.5g replaces 9.6g
NALSTAR SR140 water dilute solutions.Calcium carbonate and the respective content of present copolymer are used relative to the comparison of 100 weight %
Coated rice seed 2 is respectively 77.5 weight % and 3.1 weight %, and hard with the coatings in coated rice seed 2 comparing
Spend for 88g.
Compare preparation example 3
The water of the Mowinyl 6485 of 5: 8 (5.8) g and 3.5g is mixed, to obtain the water of Mowinyl 6485 of 9.3g
Dilute solution.
Coated rice seed 3 for comparing is obtained (hereinafter referred to as " comparing use according to the program similar with preparation example 1
Coated rice seed 3 "), difference is that the water dilute solution of above Mowinyl 6485 for using 9.3g replaces 9.6g
NALSTAR SR140 water dilute solutions.Calcium carbonate and the respective content of present copolymer are used relative to the comparison of 100 weight %
Coated rice seed 3 is respectively 77.5 weight % and 3.1 weight %, and hard with the coatings in coated rice seed 3 comparing
Spend for 288g.
Next, showing test example.
Test example 1
Nursery box (internal diameter is 57.0x34.5x6.0cm) is filled and irrigation with soil, the coating of 100 is then sowed
Rice.Nursery box is stood in farmland.The quantity of after sowing three days remaining coated rice seed is counted, it
Afterwards surplus ratio (survival rate, remaining rate) is calculated according to below equation.
Quantity/the 100x100 of three days remaining coated rice seed of surplus ratio (%)=after sowing
As a result illustrate in table 1.Rice (as control) is represented and is uncoated rice, and is attributed to by birds such as fiber crops
Ingest caused by sparrow harm, surplus ratio is less than 10%.
[table 1]
| Surplus ratio (%) | |
| Coated rice seed 1 of the present invention | 100 |
| Coated rice seed 2 of the present invention | 98 |
| Coated rice seed 3 of the present invention | 99 |
| Coated rice seed 5 of the present invention | 100 |
| Coated rice seed 6 of the present invention | 100 |
| Coated rice seed 7 of the present invention | 100 |
| Relatively use coated rice seed 1 | ＜ 10 |
| Relatively use coated rice seed 2 | ＜ 10 |
| Relatively use coated rice seed 3 | 20 |
| Rice (as control) | ＜ 10 |
Description of reference numerals
A arrows
B rices
C test films
D sample stages
E pressure rods
1 axle
2 by made by polyethylene cup
3 vibrators
4 bases
Claims (8)
1. a kind of coated rice seed is sub, and coated rice seed has coatings on the surface of rice, wherein the coatings
Containing calcium carbonate and selected from SB and MBS group
Into group at least one copolymer, and the content of the calcium carbonate relative to 100 weight % the coated rice seed
For 30-90 weight %.
2. coated rice seed according to claim 1 is sub, wherein the glass transition point of the copolymer is less than 10 DEG C.
3. a kind of method for preparing coated rice seed, the method comprising the steps of；
(1) by calcium carbonate and selected from SB latex and methyl methacrylate-butadiene-benzene second
At least one copolymer emulsion in the group of alkene copolymer latex composition is added in rice, at the same make seed movement and
Roll that calcium carbonate is attached to the surface of the rice, and the seed drying that (2) will obtain in abovementioned steps.
4. method according to claim 3, wherein the step of carrying out the step (1) to repeat addition calcium carbonate and addition
The step of copolymer emulsion, while moving rice and rolling that calcium carbonate is attached to the surface of the rice.
5. method according to claim 4, wherein the single addition of calcium carbonate are the 1 to 1/20 of rice weight, and
And when the weight of the copolymer is scaled, the single addition of the copolymer emulsion is the 1/10 to 1/ of rice weight
1000。
6. the method according to any one of claim 3 to 5, relative to the rice of 100 weight portions, methods described is used
The calcium carbonate of 100 to 1200 weight portions.
7. coated rice seed that prepared by a kind of method by according to any one of claim 3 to 6.
8. a kind of method for cultivated rice, methods described includes coated rice seed according to claim 1,2 or 7 is straight
The step of sowing is connect to rice field.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-151526 | 2014-07-25 | ||
| JP2014151526 | 2014-07-25 | ||
| PCT/JP2015/070523 WO2016013507A1 (en) | 2014-07-25 | 2015-07-17 | Coated rice seed and method for producing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106659116A true CN106659116A (en) | 2017-05-10 |
Family
ID=55163033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580039330.4A Pending CN106659116A (en) | 2014-07-25 | 2015-07-17 | Coated rice seed and method for producing same |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP6830816B2 (en) |
| KR (1) | KR102458739B1 (en) |
| CN (1) | CN106659116A (en) |
| PH (1) | PH12017500151A1 (en) |
| TW (1) | TW201615083A (en) |
| WO (1) | WO2016013507A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113423262A (en) * | 2019-02-28 | 2021-09-21 | 陶氏环球技术有限责任公司 | Flowable concentrate composition for agricultural seeds |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4284171A1 (en) * | 2021-01-28 | 2023-12-06 | Specialty Operations France | Method for treating rice seed with improved retention of agrochemical, micronutrient and colorant |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113423262A (en) * | 2019-02-28 | 2021-09-21 | 陶氏环球技术有限责任公司 | Flowable concentrate composition for agricultural seeds |
| CN113423262B (en) * | 2019-02-28 | 2023-09-26 | 陶氏环球技术有限责任公司 | Flowable concentrate composition for agricultural seeds |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170039189A (en) | 2017-04-10 |
| JPWO2016013507A1 (en) | 2017-04-27 |
| KR102458739B1 (en) | 2022-10-24 |
| JP6830816B2 (en) | 2021-02-17 |
| WO2016013507A1 (en) | 2016-01-28 |
| TW201615083A (en) | 2016-05-01 |
| PH12017500151A1 (en) | 2017-05-29 |
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