CN104068027A - Seed soaking agent capable of cultivating multi-tiller robust seedlings of rice and use method thereof - Google Patents
Seed soaking agent capable of cultivating multi-tiller robust seedlings of rice and use method thereof Download PDFInfo
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Abstract
The invention discloses a seed soaking agent capable of cultivating multi-tiller robust seedlings of rice and a use method thereof. The seed soaking agent comprises the components in percentage by weight: 30-100 percent of uniconazole, 0.025-0.10 percent of brassinolide and 0.1-0.5 percent of S-abscisic acid, and further comprises certain percentage of ClO2. During use, an aqueous solution is adopted for the seed soaking agent, in which the uniconazole is 30-100mg/L, the brassinolide is 0.025-0.10mg/L, the ClO2 is 100-200mg/L and the S-abscisic acid is 0.1-0.5mg/L; the weight ratio of rice seeds to the seed soaking agent aqueous solution is 1: (1-2). The seed soaking agent disclosed by the invention can enable the rice seeds to sprout robustly and healthily; seedlings grow after sprouts are adjusted and controlled; tillering in a seeding stage is promoted; during seedling generation, the seedlings are stocky and have multiple tillers, and the roots are developed; after being transplanted, the seedlings are high in re-greening speed and are rooted and tillered early; the seed soaking agent is suitable for robusting the seedlings of rice cultivated in a paddy field in China.
Description
Technical field
The present invention relates to plant growth conditioner field, particularly, relate to a kind of seed soaking agent and using method thereof of cultivating the strong seedling of the many tillers of paddy rice.
Background technology
Cultivate the strong seedling of paddy rice many tillers, after promoting to plant, early sending out is the basis of rice high yield, in the main rice workspace of China, and especially middle and lower reach of Yangtze River double rice cropping district, double cropping late rice is limited because of crops for rotation, and when 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 when transplanting, seedling body is excessive, loses seedling, tardy after cultivation, incurs loss through delay season, affects output.Two sections of seedling can be alleviated above-mentioned contradiction, but along with the adjustment of the structure of rural undertaking, labour's increment, farming hard work, the enthusiasm of two sections of seedling-cultivation techniques of application by peasants declines gradually.Medicament and the application technology thereof of cultivating the strong seedling of the many tillers of paddy rice just in time solve this long-term a great problem that perplexs China's Rice Production.
After China's structural readjustment of rural industry, South Rice Region of China rice does work and drops into gradually less, 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 rice and makes the emphasis of reforming, and wherein transplanting and rice transplanting are very high to seedling quality requirement, and traditional seedling-cultivation technique is difficult to meet new requirement.
In addition, early rice seedling phase low temperature needs nylon to cover, and single evening or connect late childbirth seedling to meet temperature high, often causes bakanae disease and excessive growth.Bakanae disease shoot transplanting equipment is to rice shoot excessive growth, thin and weak behind land for growing field crops, until dead, cause the underproduction.
Therefore, how to provide a kind of seed soaking agent and using method thereof of cultivating the strong seedling of the many tillers of paddy rice to become this area urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of seed soaking agent and using method thereof of cultivating the strong seedling of the many tillers of paddy rice, with easy labour-saving method, cultivate the short strong rice shoot of the many tillers of healthy paddy rice, transplanting hinders 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:
A seed soaking agent of cultivating the strong seedling of the many tillers of paddy rice, comprises uniconazole P, brassin lactones and S-abscisic acid, calculates by weight ratio uniconazole P: brassin lactones: S-abscisic acid is 30-100:0.025-0.10:0.1-0.5.
Further, also comprise ClO
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 of the seed soaking agent of the strong seedling of the many tillers of above-mentioned cultivation paddy rice 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, stirs 2-3 time during this time, and seed soaking finishes rear with 1-3 rear normal vernalization of clear water flushing seed.
Compared with prior art, the present invention has following beneficial effect:
1, seed soaking agent of the present invention, has two kinds of functions of degeneration-resistant border and growth regulation, for rice paddy seed seed soaking, can make rice seed germination healthy and strong healthy, and seedling growth after regulation and control bud, promotes early tiller estranged.The short strong many tillers of rice shoot when seedling, well developed root system.Turn green after shoot transplanting equipment fast, root of hair and tillering early.Be suitable for China's 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 seedling of place formula drought.
2, the reasonable using method of above-mentioned seed soaking agent can be cultivated the strong seedling of the many tillers of paddy rice, increases the ability of rice seedling opposing biology and abiotic stress, confirms through experiment, and when transplanting, every strain increases tiller number 0.5-1.1, amount of increase in production 5%-9% when results.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
The present invention is intended to promote the development of raising rice seedlings technology, taking medicament seed soaking technology as point of penetration, taking seedbed seedling or plate rice breeding as platform, sets about from cultivating strong seedling, improves seedling quality.
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, prevent 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 when use, seed soaking agent adopts the aqueous solution, is the mixed liquor of above-mentioned four components, the wherein concentration range 30mg/L-100mg/L of uniconazole P, brassinolide concentration range 0.025mg/L-0.10mg/L, ClO
2concentration range 100-200mg/L, the concentration range 0.1mg/L-0.5mg/L of S-abscisic acid.
Embodiment 1
Adopt the seed soaking agent aqueous solution (uniconazole P concentration 50mg/L, brassin lactones concentration 0.05mg/L, ClO
2concentration 100mg/L, the concentration 0.2mg/L of S-abscisic acid) rice paddy seed to be processed, seed soaking agent aqueous solution seed soaking 36 hours, stirs 2 times during this time, and seed soaking finishes to rinse seed 2 times normal vernalization 36 hours afterwards with clear water afterwards.
In year October in May, 2012 to 2012, test is carried out in base, China Paddy Rice Inst Fuyang, selects smooth homogeneous, irrigation and drainage field easily, and quantitatively sowing, transplanted to land for growing field crops when 25 days length of time rice seedlings grow routinely, inserts 1, community area 20m for every clump
2, repeat for 4 times.Field liquid manure management and disease pest and weed are prevented and treated with conventional Production of Large Fields.In the time of 25 day length of time rice seedlings grow, investigated, shown in investigation result following table (table 1):
The impact on rice seedling bed seedling quality of soaking seed of table 1, the seed soaking agent aqueous solution
* seed: seed-soaking liquid=1:1.5
Table 1 can find out, the processing of the seed soaking agent aqueous solution has reduced the height of rice shoot, has increased the tiller number of every strain rice shoot, has increased root length, weight of root system and the overground part dry weight of rice shoot, and from the appearance, the rice shoot of processing is more healthy and stronger.
The impact on rice shoot improving activity of root system of soaking seed of table 2, the seed soaking agent aqueous solution
| Kind/combination | Tetrazole reduction intensity (ug/gh) | ％CK |
| The excellent No. 1-processing in middle Zhejiang | 0.32190 | +7.3％ |
| The excellent No. 1-ck in middle Zhejiang | 0.30011 | / |
| The extensive 5-of middle Zhejiang A/ processes | 0.32284 | +6.6％ |
| The extensive 5-ck of middle Zhejiang A/ | 0.30287 | / |
| Spring, excellent 84-processed | 0.31001 | +9.2 |
| Excellent 84-ck of spring | 0.28401 | / |
| Spring river 119-processes | 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 is expressed parameter, it shown in table 2, is the measurement result (table 2) of 4 kinds (combination) rice shoot improving activity of root system including hybrid rice and conventional Rice, 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, i.e. seed soaking agent aqueous solution processing has the effect that strengthens rice root vigor.
The impact (kind: spring river 119) on rice shoot plant height and output of table 3, the seed soaking agent aqueous solution and grain weight different proportion
| 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: have same letter person to be illustrated in 5% level difference in every column data not remarkable.
As can be seen from Table 3,6 kinds of processing that design under this experimental condition, each processing of different seed/aqueous solution ratios all can suppress rice seedling height, and can significantly improve the Seed-Setting Percentage in Rice while results, thereby significantly increase cell production, amount of increase in production is 5%-9%, effect of increasing production the best of seed: the aqueous solution=1:1.5.
Embodiment 2
On the basis of small plot experiment in 2012, within 2013, carried out seed soaking agent aqueous solution great district comparative trial 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
2concentration 100mg/L, the concentration 0.2mg/L of 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 4 equal communities of area of matrix pattern, 0.9 mu of every community, and wherein 2 communities are transplanted the seed soaking agent aqueous solution and are processed rice shoot, and 2 communities are clear water contrast.The output of every mu is amounted in community after gathering in the crops respectively, the seed soaking agent aqueous solution is processed the output of 2 communities and is amounted to per mu yield and be 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 that seed soaking agent aqueous solution great Qu processes is 7.3%.
The impact (embodiment 2) on rice seedling bed seedling quality of soaking seed of table 4, the seed soaking agent aqueous solution
Parameter when 25 days length of time rice seedlings grow transplanted *, amounts to every per mu yield when * * results; In the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 50mg/L, brassin lactones concentration 0.05mg/L, the concentration 0.2mg/L of 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, brassin lactones concentration 0.1mg/L, the concentration 0.1mg/L of S-abscisic acid.Seed: the seed soaking agent aqueous solution=1:1.5, in the time of 25 day length of time rice seedlings grow, investigated, confirm through experiment, the processing of the seed soaking agent aqueous solution has reduced the height of rice shoot, increase the tiller number of every strain rice shoot, the root length, weight of root system and the overground part dry weight that have increased rice shoot, from the appearance, the rice shoot of processing is more healthy and stronger; In addition, experiment confirms, also significantly increases (table 5), than contrast volume increase 5.3% through seed soaking agent aqueous solution cell production after treatment.
The impact (embodiment 3) on rice seedling bed seedling quality of soaking seed of table 5, the seed soaking agent aqueous solution
Parameter when 25 days length of time rice seedlings grow transplanted *, amounts to every per mu yield when * * results; In the seed soaking agent aqueous solution, the concentration of single component is: uniconazole P concentration 30mg/L, brassin lactones concentration 0.1mg/L, the concentration 0.1mg/L of 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
2concentration 150mg/L, the concentration of S-abscisic acid, 0.5mg/L.Seed: the seed soaking agent aqueous solution=1:1.5, in the time of 25 day length of time rice seedlings grow, investigated, confirm through experiment, the processing of the seed soaking agent aqueous solution has reduced the height of rice shoot, increase the tiller number of every strain rice shoot, the root length, weight of root system and the overground part dry weight that have increased rice shoot, from the appearance, the rice shoot of processing is more healthy and stronger; In addition, experiment confirms, increases by 5.1% (table 6) through seed soaking agent aqueous solution cell production after treatment than contrast.
The impact (embodiment 4) on rice seedling bed seedling quality of soaking seed of table 6, the seed soaking agent aqueous solution
Parameter when 25 days length of time rice seedlings grow transplanted *, amounts to every per mu yield when * * results; 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
2concentration 150mg/L, the concentration of 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
2concentration 200mg/L, the concentration 0.4mg/L of S-abscisic acid.Seed: the seed soaking agent aqueous solution=1:1.5, in the time of 25 day length of time rice seedlings grow, investigated, confirm through experiment, the processing of the seed soaking agent aqueous solution has reduced the height of rice shoot, increase the tiller number of every strain rice shoot, the root length, weight of root system and the overground part dry weight that have increased rice shoot, from the appearance, the rice shoot of processing is more healthy and stronger; In addition, experiment confirms, also significantly increases through seed soaking agent aqueous solution cell production after treatment.
The impact (embodiment 5) on rice seedling bed seedling quality of soaking seed of table 7, the seed soaking agent aqueous solution
Parameter when 25 days length of time rice seedlings grow transplanted *, amounts to every per mu yield when * * results; 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
2concentration 200mg/L, the concentration 0.4mg/L of S-abscisic acid.Seed: the seed soaking agent aqueous solution=1:1.5.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a seed soaking agent of cultivating the strong seedling of the many tillers of paddy rice, is characterized in that, comprises uniconazole P, brassin lactones and S-abscisic acid, calculates by weight ratio uniconazole P: brassin lactones: S-abscisic acid is 30-100:0.025-0.10:0.1-0.5.
2. the seed soaking agent of the strong seedling of the many tillers of cultivation paddy rice according to claim 1, is characterized in that, also comprises ClO
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.
3. the seed soaking agent of the strong seedling of the many tillers of cultivation paddy rice according to claim 2, is characterized in that, calculates by weight ratio described uniconazole P: brassin lactones: ClO
2: S-abscisic acid is 50:0.05:100:0.2.
4. the using method of the seed soaking agent of the strong seedling of the many tillers of cultivation paddy rice according to claim 1, it is characterized in that, 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, and 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.
5. the using method of the seed soaking agent of the strong seedling of the many tillers of cultivation paddy rice according to claim 4, is characterized in that, the weight proportion of described rice paddy seed and the seed soaking agent aqueous solution is 1:1.5.
6. according to the using method of the seed soaking agent of the strong seedling of the many tillers of cultivation paddy rice described in claim 4 or 5, it is characterized in that, the described aqueous solution also comprises ClO
2100-200mg/L.
7. the using method of the seed soaking agent of the strong seedling of the many tillers of cultivation paddy rice according to claim 6, is characterized in that, seed soaking time is 24-48 hour, stirs 2-3 time during this time, and seed soaking finishes rear with 1-3 rear normal vernalization of clear water flushing seed.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107926348A (en) * | 2017-12-18 | 2018-04-20 | 湖南农业大学 | A kind of vigor optimization agent for improving Seed Vigor of Hybrid Rice and application method |
| CN113854090A (en) * | 2021-10-18 | 2021-12-31 | 广西壮族自治区农业科学院 | Seedling raising method for improving perennial root performance of sugarcane |
| CN115777712A (en) * | 2022-12-12 | 2023-03-14 | 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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| 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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Patent Citations (2)
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107926348A (en) * | 2017-12-18 | 2018-04-20 | 湖南农业大学 | A kind of vigor optimization agent for improving Seed Vigor of Hybrid Rice and application method |
| CN107926348B (en) * | 2017-12-18 | 2020-05-12 | 湖南农业大学 | Vigor optimizing agent for improving vigor of hybrid rice seeds and using method |
| CN113854090A (en) * | 2021-10-18 | 2021-12-31 | 广西壮族自治区农业科学院 | Seedling raising method for improving perennial root performance of sugarcane |
| CN115777712A (en) * | 2022-12-12 | 2023-03-14 | 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 |
| 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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