CN104782628A - Plant growth regulator for greenhouse paddy, preparation method and application of plant growth regulator - Google Patents
Plant growth regulator for greenhouse paddy, preparation method and application of plant growth regulator Download PDFInfo
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- CN104782628A CN104782628A CN201510129303.8A CN201510129303A CN104782628A CN 104782628 A CN104782628 A CN 104782628A CN 201510129303 A CN201510129303 A CN 201510129303A CN 104782628 A CN104782628 A CN 104782628A
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- plant growth
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- paddy
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- prohexadione calcium
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Abstract
The invention provides a plant growth regulation composition for greenhouse paddy. The plant growth regulation composition is prepared from prohexadione calcium and brassinolide. The invention further provides a plant growth regulator for the greenhouse paddy. The plant growth regulator is prepared from prohexadione calcium, brassinolide and an auxiliary material. The invention further provides a preparation and application of the plant growth regulator for the greenhouse paddy. According to the invention, prohexadione calcium and brassinolide are combined to be used so as to play the synergistic interaction function, promote paddy tillering, enable the paddy stalks to be short and strong, increase chlorophyll content in the leaves, and increase the yield of the paddy; indicated by the experimental results, the plant growth regulator provided by the invention plays the stunt effect on the greenhouse paddy, shows up the increased trend on spike number, maturing rate and thousand seed weight per cluster of paddy, and can remarkably increase the yield of paddy.
Description
Technical field
The invention belongs to plant growth regulator technical field, particularly relate to a kind of greenhouse paddy rice plant growth regulator, its preparation method and application thereof.
Background technology
In order to accelerate research progress, especially rice breeding speed, the chamber planting development of paddy rice in recent years rapidly.Take chamber planting paddy rice can utilize the long period in winter to spring, add for breeding rice material for breeding or seed produces.But the rice plant of chamber planting is often more weak, often occurs as excessive growth, rareness of tillering, easily lodging, infect the rough sledding such as damage by disease and insect, cause that the few fringe of fringe is little, ripening rate and thousand kernel weight lowly, finally cause the underproduction.Therefore, how to cultivate the bottle diameter that the healthy and strong colony of greenhouse paddy rice becomes puzzlement paddy rice greenhouse culture development, research invention cultivates the technology and method of the healthy and strong colony of greenhouse paddy rice just in order to solve above-mentioned research and production actual conditions.
Summary of the invention
The object of the present invention is to provide a kind of greenhouse paddy rice plant growth regulator, its preparation method and application thereof, plant growth regulator provided by the invention is by using rice shoot, can short strong rice plant, excite the immune system of paddy rice individuality, cultivate the healthy and strong colony of greenhouse paddy rice, finally improve rice yield.
The invention provides a kind of greenhouse paddy rice plant growth regualting composition, be made up of Prohexadione calcium and brassin lactones.
In plant growth regualting composition provided by the invention, Prohexadione calcium can effective short strong rice plant, promotes to tiller in early days, improves the ability of plant opposing adverse circumstance (as the low light level, high humidity, disease etc.), also acts on obviously promotion Root Growth of Rice.Brassin lactones is plant growth active substance, and Main Function is Promoting plant growth, improves the ability of plant resistant abiotic stress, more outstanding to the facilitation of the overground part of rice strain.The application by Prohexadione calcium and brassin lactones with the use of, one is short strong paddy rice overground part plant, promotes root growth, accelerates the generation of effective tiller; Two is the abilities improving plant opposing adverse circumstance (low light level, high humidity, disease etc.), delays rice milking stage later stage Senescence of Root System, maintains sword-like leave and the stronger photosynthetic efficiency of other functional leaf.Prohexadione calcium and brassin lactones with the use of, can Synergistic, promote rice tillering, short strong Culm of Rice, increase blade Determination of Chlorophyll content, increase rice yield.
In the present invention, the mass ratio of described Prohexadione calcium and brassin lactones is preferably 0.5 ~ 5.0:0.001 ~ 0.01, is more preferably 4.995:0.005.
Present invention also offers a kind of greenhouse paddy rice plant growth regulator, comprise Prohexadione calcium, brassin lactones and auxiliary material.Described Prohexadione calcium and brassin lactones and auxiliary material are mixed with preparation by the present invention, and specifically, described plant growth regulator comprises:
The Prohexadione calcium of 0.5wt% ~ 5.0wt%;
The brassin lactones of 0.001wt% ~ 0.01wt%;
Surplus is auxiliary material.
Described plant growth regulator more preferably comprises:
The Prohexadione calcium of 4.995wt%;
The brassin lactones of 0.005wt%;
Surplus is auxiliary material.
In the present invention, described plant growth regulator can be wetting powder, and now, described auxiliary material comprises wetting agent, dispersant and farm chemical carrier.
In the present invention, described wetting agent is Nekal BX (sodium butylnaphthalenesulfonate), and its content is 5%; Described dispersant is HK-2302, and its content is 5%; Described farm chemical carrier is precipitated calcium carbonate, and its content is for supplying 100%.
Present invention also offers the preparation method of a kind of greenhouse paddy rice plant growth regulating wetting powder, comprise the following steps:
Prohexadione calcium and brassin lactones are mixed, obtains active ingredient mixture;
Wetting agent, dispersant and farm chemical carrier are mixed, obtains auxiliary material mixture;
Active ingredient mixture and auxiliary material mixture are mixed, obtains plant growth regulating wetting powder.
Plant growth regualting composition provided by the invention or plant growth regulator can be used for cultivating the healthy and strong colony of greenhouse paddy rice, spike number, heading can be increased neatly after plant growth regualting composition described in rice application or plant growth regulator, later stage delays functional leaf and Senescence of Root System, increase intensity that is resistant to lodging and opposing disease, and alleviate the injury that high/low temperature or Low Light Density Stress cause, improve ripening rate and thousand kernel weight, increase yield.
Specifically, plant growth toner composition provided by the invention or plant growth regulator can adopt the mode of foliar spray to use, Dressing date is 1 week (transplanting rice) and tillering regularity administered twice after rice transplanting, or after planting (direct seading rice) 4 weeks and tillering regularity administered twice.
When its for active ingredient be 5% wetting powder (wherein Prohexadione calcium is 4.995%, brassin lactones is 0.005%), can after rice transplanting 1 week with tillering regularity administered twice (be suitable for transplanting rice), or after planting (be suitable for direct seading rice) 4 weeks and tillering regularity administered twice, every mu each 30 grams, amount of liquid medicine is 30 ~ 45 liters/mu, foliar spray.
Safety used by plant growth regulator provided by the invention, easy to use, and benefit directly perceived is obvious, uses rear dark green leaf color, and stem stalk is short strong, can significantly improve the output of paddy rice; The Local Adaptation of plant growth regulator provided by the invention is wide, be suitable for various rice varieties (or Hybrid Rice Combination) type, be suitable for transplanting rice or Direct-seeding Rice, be suitable for season morning, noon and afternoon rice work, be suitable for the paddy rice of greenhouse culture, be also applicable to field rice and produce.Experimental result shows, plant growth regulator provided by the invention has Dwarf Effect on Dwarf to greenhouse paddy rice, every clump, paddy rice spike number, ripening rate and thousand kernel weight is shown to the trend of increase, obviously can increase the output of paddy rice.
Embodiment
Below in conjunction with the subordinate list in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The Prohexadione calcium (active ingredient) of 4.995 mass parts and the brassin lactones (active ingredient) of 0.005 mass parts are mixed, obtains active ingredient mixture;
The dispersant of the wetting agent of 5 mass parts, 5 mass parts and the farm chemical carrier precipitated calcium carbonate of 85 mass parts are mixed, obtains auxiliary material mixture;
Active ingredient mixture and auxiliary material mixture are mixed, obtains plant growth regulating wetting powder.
Embodiment 2
Test site in China Paddy Rice Inst (Fuyang City of Zhejiang Province) greenhouse, base, greenhouse temperature 30 DEG C/25 DEG C (daytime/night), natural lighting.Rice varieties is spring river 119 (japonica rice conventional variety), and test material was sowed on November 27th, 2012, and December 23 transplanted, and inserts 2 for every clump.
1 week and tillering regularity administered twice after rice transplanting, every mu of plant growth regulator various dose process at every turn using embodiment 1 to prepare, amount of liquid medicine is 45 liters/mu, foliar spray.Main result is in table 1.
Effect of increasing production is used in table 1 greenhouse paddy rice (transplanting rice)
* plot area=7 square metre.In same row, different letter representation 5% level difference is remarkable.
As can be seen from Table 1, under this experimental condition, the plant growth regulator treatment that embodiment 1 provides shows Dwarf Effect on Dwarf to Plant Height of Rice, every clump, paddy rice spike number, ripening rate and thousand kernel weight are shown to the trend of increase, the application dosage of 10 ~ 20 grams every mu also shows the trend of increase to Defined daily doses; The plant growth regulator spraying 20 ~ 30 grams/acre of dosage significantly increases rice yield, and the plant growth regulator amount of increase in production of 30 grams/acre of dosage is maximum.
Embodiment 3
Test site in China Paddy Rice Inst (Fuyang City of Zhejiang Province) greenhouse, base, greenhouse temperature 30 DEG C/25 DEG C (daytime/night), natural lighting.Rice varieties is spring river 119 (japonica rice conventional variety), and test material is sowing on November 25th, 2013 (Direct-seeding Rice).
28 days and tillering regularity administered twice after rice growing, every mu of plant growth regulator treatment at every turn provided by embodiment 1, amount of liquid medicine is 45 liters/mu, and foliar spray, main result is in table 2.
Effect of increasing production is used in table 2 greenhouse paddy rice (Direct-seeding Rice)
* plot area=7 square metre.In same row, different letter representation 5% level difference is remarkable.
As can be seen from Table 2, under this experimental condition, the plant growth regulator treatment that embodiment 1 provides is to the direct seading rice plant height performance Dwarf Effect on Dwarf of chamber planting, every clump, paddy rice spike number, ripening rate and thousand kernel weight are shown to the trend of increase, the application dosage of 10 ~ 40 grams every mu also shows the trend of increase to Defined daily doses; The plant growth regulator that the embodiment 1 spraying 20 ~ 30 grams/acre of dosage provides significantly increases rice yield, and the plant growth regulator amount of increase in production of 30 grams/acre of dosage is maximum.
Embodiment 4
Test site in China Paddy Rice Inst (Fuyang City of Zhejiang Province) greenhouse, base, greenhouse temperature 30 DEG C/25 DEG C (daytime/night), natural lighting.Rice varieties is spring river 119 (japonica rice conventional variety), and test material is sowing on November 25th, 2013 (Direct-seeding Rice).
After rice growing 28 days with tillering regularity administered twice, every mu of plant growth regulator treatment at every turn provided by embodiment 1, and Prohexadione calcium and brassin lactones, amount of liquid medicine is 40 liters/mu, and foliar spray, main result is in table 3.
Effect of increasing production is used in table 3 greenhouse paddy rice (Direct-seeding Rice)
* plot area=7 square metre.In same row, different letter representation 5% level difference is remarkable.
As can be seen from Table 3, under this experimental condition, the plant growth regulator that embodiment 1 provides 30 grams/acre of dosage process are to the direct seading rice plant height performance Dwarf Effect on Dwarf of chamber planting, and ripening rate and thousand kernel weight show the trend of increase, significantly increase rice yield.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a greenhouse paddy rice plant growth regualting composition, is made up of Prohexadione calcium and brassin lactones.
2. composition according to claim 1, is characterized in that, the mass ratio of described Prohexadione calcium and brassin lactones is 0.5 ~ 5.0:0.001 ~ 0.01.
3. composition according to claim 2, is characterized in that, the mass ratio of described Prohexadione calcium and brassin lactones is 4.995:0.005.
4. a greenhouse paddy rice plant growth regulator, comprises Prohexadione calcium, brassin lactones and auxiliary material.
5. plant growth regulator according to claim 4, is characterized in that, comprising:
The Prohexadione calcium of 0.5wt% ~ 5.0wt%;
The brassin lactones of 0.001wt% ~ 0.01wt%;
Surplus is auxiliary material.
6. plant growth regulator according to claim 5, is characterized in that, comprising:
The Prohexadione calcium of 4.995wt%;
The brassin lactones of 0.005wt%;
Surplus is auxiliary material.
7. the plant growth regulator according to claim 4 ~ 6 any one, is characterized in that, it is wetting powder, and described auxiliary material comprises wetting agent, dispersant and farm chemical carrier.
8. a preparation method for greenhouse paddy rice plant growth regulator, comprises the following steps:
Prohexadione calcium and brassin lactones are mixed, obtains active ingredient mixture;
Wetting agent, dispersant and farm chemical carrier are mixed, obtains auxiliary material mixture;
Active ingredient mixture and auxiliary material mixture are mixed, obtains plant growth regulating wetting powder.
9. the application in the healthy and strong colony of greenhouse paddy rice cultivated by the plant growth regualting composition described in claims 1 to 3 any one or the plant growth regulator described in claim 4 ~ 7 any one.
10. application according to claim 9, is characterized in that, described plant growth regualting composition or plant growth regulator adopt the mode of foliar spray to use.
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| CN201510129303.8A CN104782628B (en) | 2015-03-24 | 2015-03-24 | A kind of greenhouse rice plant growth regulator, preparation method and its application |
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| CN201510129303.8A CN104782628B (en) | 2015-03-24 | 2015-03-24 | A kind of greenhouse rice plant growth regulator, preparation method and its application |
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| CN104782628B CN104782628B (en) | 2018-11-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109221132A (en) * | 2018-09-13 | 2019-01-18 | 江西鑫邦科技有限责任公司 | A kind of flourishing controlling and production increasing medicament composition for making between corn soybean |
| CN110810180A (en) * | 2019-11-22 | 2020-02-21 | 扬州大学 | Method for regulating rice plant type, promoting photosynthetic production and improving yield |
| CN112088884A (en) * | 2020-10-10 | 2020-12-18 | 江苏里下河地区农业科学研究所 | Middle and later stage drought-resistant agent for rice and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103518719A (en) * | 2013-09-13 | 2014-01-22 | 郑州郑氏化工产品有限公司 | Fruit tree growth regulator composition and application thereof |
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2015
- 2015-03-24 CN CN201510129303.8A patent/CN104782628B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518719A (en) * | 2013-09-13 | 2014-01-22 | 郑州郑氏化工产品有限公司 | Fruit tree growth regulator composition and application thereof |
Non-Patent Citations (2)
| Title |
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| 张丰转等: "５％调环酸钙在水稻上的应用效果", 《现代化农业》 * |
| 汤洪等: "0.0040%芸苔素内酯AS对水稻的调节作用", 《安徽农业科学》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109221132A (en) * | 2018-09-13 | 2019-01-18 | 江西鑫邦科技有限责任公司 | A kind of flourishing controlling and production increasing medicament composition for making between corn soybean |
| CN110810180A (en) * | 2019-11-22 | 2020-02-21 | 扬州大学 | Method for regulating rice plant type, promoting photosynthetic production and improving yield |
| CN112088884A (en) * | 2020-10-10 | 2020-12-18 | 江苏里下河地区农业科学研究所 | Middle and later stage drought-resistant agent for rice and application thereof |
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| CN104782628B (en) | 2018-11-06 |
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