CN104068027B - A kind ofly cultivate seed soaking agent and the using method thereof that the many tillers of paddy rice strengthen seedling - Google Patents
A kind ofly cultivate seed soaking agent and the using method thereof that the many tillers of paddy rice strengthen seedling Download PDFInfo
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Abstract
The invention discloses and a kind ofly cultivate seed soaking agent and the using method thereof that the many tillers of paddy rice strengthen seedling, seed soaking agent comprises uniconazole P, brassin lactones and S-abscisic acid, calculate by weight ratio, described uniconazole P: brassin lactones: S-abscisic acid is 30-100:0.025-0.10:0.1-0.5, also can comprise the ClO of certain proportioning
2; During use, described seed soaking agent adopts the aqueous solution, and wherein, uniconazole P is 30mg/L-100mg/L, and brassin lactones is 0.025mg/L-0.10mg/L, ClO
2100-200mg/L, S-abscisic acid is 0.1mg/L-0.5mg/L, and the weight proportion of rice paddy seed and the seed soaking agent aqueous solution is 1:1 ~ 2.Seed soaking agent of the present invention can make rice seed germination healthy and strong healthy, seedling growth after regulation and control bud, promotes early tiller estranged, rice shoot short strong many tillers during seedling, well developed root system, and fast, the root of hair and tillering early of turning green after shoot transplanting equipment, is suitable for China's rice workspace and cultivates paddy rice seedling strengthening.
Description
Technical field
The present invention relates to plant growth conditioner field, particularly, relate to and a kind ofly cultivate seed soaking agent and the using method thereof that the many tillers of paddy rice strengthen seedling.
Background technology
Cultivate paddy rice many tillers and strengthen seedling, promoting early to send out after planting is the basis of rice high yield, and in the main rice workspace of China, especially middle and lower reach of Yangtze River double rice cropping district, double cropping late rice limits because of crops for rotation, and during early rice seedling, temperature is on the low side, easily causes chilling injury; And the late rice rice shoot length of time rice seedlings grow is partially long, seedling is worth midsummer again, and seedling growth is rapid, and during transplanting, seedling body is excessive, loses seedling, tardy, incur loss through delay season, affect output after cultivation.Two sections of seedling can alleviate above-mentioned contradiction, but along with the adjustment of the structure of rural undertaking, labour is rised in value, and farming is painstaking, and the enthusiasm of application by peasants two sections of seedling-cultivation techniques declines gradually.Cultivate paddy rice many tillers and strengthen a great problem that the medicament of seedling and application technology thereof just in time solve this long-standing problem China Rice Production.
After China's structural readjustment of rural industry, it is gradually few that South Rice Region of China rice makes working feature, and the research and extension of cultivation technique has become the advanced subject of China's rice cultivation technique.The reform of seedling transplantation technique becomes the emphasis that rice does to reform, and wherein transplanting and rice transplanting require very high to seedling quality, and traditional seedling-cultivation technique is difficult to satisfied new requirement.
In addition, early rice seedling phase low temperature needs nylon to cover, single evening or connect late childbirth seedling then to meet temperature high, often causes bakanae disease and excessive growth.Rice shoot excessive growth after bakanae disease shoot transplanting equipment to land for growing field crops, thin and weak, until dead, cause the underproduction.
Therefore, a kind of many tillers of paddy rice of cultivating how are provided to strengthen the seed soaking agent of seedling and using method has become this area urgent problem.
Summary of the invention
The object of the present invention is to provide and a kind ofly cultivate seed soaking agent and the using method thereof that the many tillers of paddy rice strengthen seedling, with easy labour-saving method, cultivate the healthy short strong rice shoot of the many tillers of paddy rice, transplanting to hinder that rate is low opportunity, and rice shoot is turned green soon, root of hair and tillering morning.
For achieving the above object, the present invention adopts following technical scheme:
Cultivate the seed soaking agent that the many tillers of paddy rice strengthen seedling, comprise uniconazole P, brassin lactones and S-abscisic acid, calculate by weight ratio, uniconazole P: brassin lactones: S-abscisic acid is 30-100:0.025-0.10:0.1-0.5.
Further, also ClO is comprised
2, calculate by weight ratio, described uniconazole P: brassin lactones: ClO
2: S-abscisic acid is 30-100:0.025-0.10:100-200:0.1-0.5.
Further, calculate by weight ratio, described uniconazole P: brassin lactones: ClO
2: S-abscisic acid is 50:0.05:100:0.2.
The using method that the many tillers of above-mentioned cultivation paddy rice strengthen the seed soaking agent of seedling is: described seed soaking agent adopts the aqueous solution, wherein, uniconazole P is 30mg/L-100mg/L, brassin lactones is 0.025mg/L-0.10mg/L, S-abscisic acid is 0.1mg/L-0.5mg/L, and the weight proportion of described rice paddy seed and the seed soaking agent aqueous solution is 1:1 ~ 2.
Further, the weight proportion of described rice paddy seed and the seed soaking agent aqueous solution is 1:1.5.
Further, the described aqueous solution also comprises ClO
2100-200mg/L.
Further, seed soaking time is 24-48 hour, and period stirs 2-3 time, and seed soaking terminates rear clear water and rinses seed 1-3 rear normal vernalization.
Compared with prior art, the present invention has following beneficial effect:
1, seed soaking agent of the present invention, has degeneration-resistant border and growth regulation two kinds of functions, for rice paddy seed seed soaking, rice seed germination can be made healthy and strong healthy, seedling growth after regulation and control bud, promote early tiller estranged.Rice shoot short strong many tillers during seedling, well developed root system.To turn green after shoot transplanting equipment fast, root of hair and tillering early.Be suitable for China rice workspace and cultivate paddy rice seedling strengthening, comprise for the disc type rice shoot of mechanized planting and traditional seedbed, land for growing field crops rice shoot or place formula dry rice seedling.
2, the reasonable employment method of above-mentioned seed soaking agent can be cultivated the many tillers of paddy rice and be strengthened seedling, increases the ability of rice seedling opposing biology and abiotic stress, confirms through experiment, and during transplanting, every strain increases tiller number 0.5-1.1, amount of increase in production 5%-9% during results.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The present invention is intended to the development promoting raising rice seedlings technology, with Medicament soaked seed technology for point of penetration, with seedbed seedling or plate rice breeding for platform, sets about, improve seedling quality from the strong seedling of cultivation.
The seed soaking agent that the present invention adopts is plant growth conditioning material, and main component is plant growth regulator uniconazole P and brassinolide, prevents and kill off bakanae disease of rice bactericide ClO
2, and plant growth active substance S-abscisic acid.
Above-mentioned seed soaking agent is mainly used in rice paddy seed seed soaking, and during use, seed soaking agent adopts the aqueous solution, is the mixed liquor of above-mentioned four components, wherein the concentration range 30mg/L-100mg/L of uniconazole P, brassinolide concentration range 0.025mg/L-0.10mg/L, ClO
2the concentration range 0.1mg/L-0.5mg/L of concentration range 100-200mg/L, S-abscisic acid.
Embodiment 1
Adopt the seed soaking agent aqueous solution (uniconazole P concentration 50mg/L, brassin lactones concentration 0.05mg/L, ClO
2the concentration 0.2mg/L of concentration 100mg/L, S-abscisic acid) rice paddy seed is processed, the seed soaking agent aqueous solution is soaked seed 36 hours, and period stirs 2 times, and seed soaking terminates rear clear water and rinses seed 2 times normal vernalization 36 hours afterwards.
In year October in May, 2012 to 2012, test and carry out in base, China Paddy Rice Inst Fuyang, select smooth homogeneous, irrigation and drainage field easily, quantitatively sow routinely, transplant to land for growing field crops during 25 days length of time rice seedlings grow, insert 1, plot area 20m for every clump
2, repeat for 4 times.Field liquid manure management and disease pest and weed control are with conventional Production of Large Fields.Investigated when 25 day length of time rice seedlings grow, shown in investigation result following table (table 1):
The impact of table 1, seed soaking agent aqueous solution seed soaking on rice seedling bed seedling quality
* seed: seed-soaking liquid=1:1.5
Table 1 can be found out, the process of the seed soaking agent aqueous solution reduces the height of rice shoot, adds the tiller number of every strain rice shoot, adds the root length of rice shoot, weight of root system and overground part dry weight, and from the appearance, the rice shoot of process is more healthy and stronger.
The impact of table 2, seed soaking agent aqueous solution seed soaking on rice shoot improving activity of root system
| Kind/combination | Tetrazole reduction intensity (ug/gh) | ％CK |
| Excellent No. 1 of middle Zhejiang-process | 0.32190 | +7.3％ |
| The excellent No. 1-ck in middle Zhejiang | 0.30011 | / |
| The extensive 5-process of middle Zhejiang A/ | 0.32284 | +6.6％ |
| The extensive 5-ck of middle Zhejiang A/ | 0.30287 | / |
| Spring excellent 84-process | 0.31001 | +9.2 |
| Spring excellent 84-ck | 0.28401 | / |
| Spring river 119-process | 0.31623 | +9.0 |
| Spring river 119-clear water ck | 0.29012 | / |
* seed: seed-soaking liquid=1:1.5
Tetrazole reduction intensity is that the tradition of rice root vigor expresses parameter, it is the measurement result (table 2) of 4 kind (combination) the rice shoot improving activity of root systems comprising hybrid rice and conventional Rice shown in table 2, can find out, the rice root of seed soaking agent aqueous solution seed soaking is to the reduction intensity of tetrazole all higher than the respective value of contrast root system, and namely the process of the seed soaking agent aqueous solution has the effect strengthening rice root vigor.
Table 3, the seed soaking agent aqueous solution and grain weight different proportion are on the impact (kind: spring river 119) of rice shoot plant height and output
| Numbering | Seed/aqueous solution ratio | Plant height (cm) | Ripening rate (%) | Cell production (kg) |
| 1 | Clear water | 30.12a | 83.37b | 17.33b |
| 2 | Seed: the aqueous solution=1:0.5 | 26.15b | 84.52b | 17.45b |
| 3 | Seed: the aqueous solution=1:0.8 | 24.25b | 84.93b | 17.82b |
| 4 | Seed: the aqueous solution=1:1.0 | 22.12b | 85.63a | 18.57a |
| 5 | Seed: the aqueous solution=1:1.5 | 21.86b | 85.34a | 18.92a |
| 6 | Seed: the aqueous solution=1:2.0 | 20.27b | 85.52a | 18.90a |
Note: difference is not remarkable in 5% level to have same letter person to represent in every column data.
As can be seen from Table 3, the 6 kinds of process designed under this experimental condition, each process of different seed/aqueous solution ratio all can suppress rice seedling height, and Seed-Setting Percentage in Rice when can significantly improve results, thus significantly increase cell production, amount of increase in production is 5%-9%, seed: the effect of increasing production of the aqueous solution=1:1.5 is best.
Embodiment 2
On the basis of small plot experiment in 2012, within 2013, carried out the great Qu comparative trial of the seed soaking agent aqueous solution at same test site, kind is conventional japonica rice spring river 119, in the seed soaking agent aqueous solution, the concentration of an one pack system is, uniconazole P concentration 50mg/L, brassin lactones concentration 0.05mg/L, ClO
2the concentration 0.2mg/L of concentration 100mg/L, S-abscisic acid, the seed treatment mode small plot experiment of same 2012.Whole experimental field area is 3.6 mu, and rectangle is divided into the community of matrix pattern 4 area equation, 0.9 mu, every community, and wherein seed soaking agent aqueous solution process rice shoot is transplanted in 2 communities, and 2 communities are clear water contrast.Community amounts to into every mu output after gathering in the crops respectively is, the output of seed soaking agent aqueous solution process 2 communities is amounted to per mu yield and is respectively 629.1 and 632.2kg, the output of clear water control plot is respectively 591.7 and 583.8kg (table 4), as can be seen here, the average volume increase level of seed soaking agent aqueous solution great Qu process is 7.3%.
The impact (embodiment 2) of table 4, seed soaking agent aqueous solution seed soaking on rice seedling bed seedling quality
Parameter when 25 days length of time rice seedlings grow transplanted *, amounts to every per mu yield when * * gathers in the crops; In the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 50mg/L, the concentration 0.2mg/L of brassin lactones concentration 0.05mg/L, S-abscisic acid, ClO
2concentration 100mg/L.Seed: the seed soaking agent aqueous solution=1:1.5.
Embodiment 3
Difference from Example 1 is, in the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 30mg/L, the concentration 0.1mg/L of brassin lactones concentration 0.1mg/L, S-abscisic acid.Seed: the seed soaking agent aqueous solution=1:1.5, investigated when 25 day length of time rice seedlings grow, confirm through experiment, the process of the seed soaking agent aqueous solution reduces the height of rice shoot, add the tiller number of every strain rice shoot, add the root length of rice shoot, weight of root system and overground part dry weight, from the appearance, the rice shoot of process is more healthy and stronger; In addition, experiment confirms, the cell production after the process of the seed soaking agent aqueous solution also significantly increases (table 5), than contrast volume increase 5.3%.
The impact (embodiment 3) of table 5, seed soaking agent aqueous solution seed soaking on rice seedling bed seedling quality
Parameter when 25 days length of time rice seedlings grow transplanted *, amounts to every per mu yield when * * gathers in the crops; In the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 30mg/L, the concentration 0.1mg/L of brassin lactones concentration 0.1mg/L, S-abscisic acid, ClO
2concentration 100mg/L.Seed: the seed soaking agent aqueous solution=1:1.5.
Embodiment 4
Be with the difference of embodiment 1, in the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 80mg/L, brassin lactones concentration 0.025mg/L, ClO
2the concentration of concentration 150mg/L, S-abscisic acid, 0.5mg/L.Seed: the seed soaking agent aqueous solution=1:1.5, investigated when 25 day length of time rice seedlings grow, confirm through experiment, the process of the seed soaking agent aqueous solution reduces the height of rice shoot, add the tiller number of every strain rice shoot, add the root length of rice shoot, weight of root system and overground part dry weight, from the appearance, the rice shoot of process is more healthy and stronger; In addition, experiment confirms, the cell production after the process of the seed soaking agent aqueous solution is than contrast increase by 5.1% (table 6).
The impact (embodiment 4) of table 6, seed soaking agent aqueous solution seed soaking on rice seedling bed seedling quality
Parameter when 25 days length of time rice seedlings grow transplanted *, amounts to every per mu yield when * * gathers in the crops; In the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 80mg/L, brassin lactones concentration 0.025mg/L, ClO
2the concentration of concentration 150mg/L, S-abscisic acid, 0.5mg/L.Seed: the seed soaking agent aqueous solution=1:1.5
Embodiment 5
Be with the difference of embodiment 1, in the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 100mg/L, brassin lactones concentration 0.075mg/L, ClO
2the concentration 0.4mg/L of concentration 200mg/L, S-abscisic acid.Seed: the seed soaking agent aqueous solution=1:1.5, investigated when 25 day length of time rice seedlings grow, confirm through experiment, the process of the seed soaking agent aqueous solution reduces the height of rice shoot, add the tiller number of every strain rice shoot, add the root length of rice shoot, weight of root system and overground part dry weight, from the appearance, the rice shoot of process is more healthy and stronger; In addition, experiment confirms, the cell production after the process of the seed soaking agent aqueous solution also significantly increases.
The impact (embodiment 5) of table 7, seed soaking agent aqueous solution seed soaking on rice seedling bed seedling quality
Parameter when 25 days length of time rice seedlings grow transplanted *, amounts to every per mu yield when * * gathers in the crops; In the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 100mg/L, brassin lactones concentration 0.075mg/L, ClO
2the concentration 0.4mg/L of concentration 200mg/L, S-abscisic acid.Seed: the seed soaking agent aqueous solution=1:1.5.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. cultivate the using method that the many tillers of paddy rice strengthen the seed soaking agent of seedling, it is characterized in that, described seed soaking agent adopts the aqueous solution, the described seed soaking agent aqueous solution comprises: uniconazole P 30mg/L-100mg/L, brassin lactones 0.025mg/L-0.10mg/L, S-abscisic acid 0.1mg/L-0.5mg/L, ClO
2100-200mg/L, the weight proportion of described rice paddy seed and the seed soaking agent aqueous solution is 1:1.5.
2. the many tillers of cultivation paddy rice according to claim 1 strengthen the using method of the seed soaking agent of seedling, and it is characterized in that, seed soaking time is 24-48 hour, and period stirs 2-3 time, and seed soaking terminates rear clear water and rinses seed 1-3 rear normal vernalization.
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| CN113854090B (en) * | 2021-10-18 | 2023-04-18 | 广西壮族自治区农业科学院 | Seedling raising method for improving perennial root performance of sugarcane |
| CN115777712B (en) * | 2022-12-12 | 2024-02-13 | 四川海润作物科学技术有限公司 | Compound preparation for improving amylose content of rice grains and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318300A (en) * | 2001-04-25 | 2001-10-24 | 四川龙蟒福生科技有限责任公司 | Plant growth regulating method using dormin |
| CN101081029A (en) * | 2006-06-02 | 2007-12-05 | 宋红安 | Applicating of chlorine dioxide in the preventing and curing of disease for paddy rice |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1318300A (en) * | 2001-04-25 | 2001-10-24 | 四川龙蟒福生科技有限责任公司 | Plant growth regulating method using dormin |
| CN101081029A (en) * | 2006-06-02 | 2007-12-05 | 宋红安 | Applicating of chlorine dioxide in the preventing and curing of disease for paddy rice |
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