CN101444209A - Composite rice tillering-control agent - Google Patents
Composite rice tillering-control agent Download PDFInfo
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- CN101444209A CN101444209A CNA2008101365943A CN200810136594A CN101444209A CN 101444209 A CN101444209 A CN 101444209A CN A2008101365943 A CNA2008101365943 A CN A2008101365943A CN 200810136594 A CN200810136594 A CN 200810136594A CN 101444209 A CN101444209 A CN 101444209A
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- tillering
- control agent
- rice
- control
- tiller
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Abstract
The invention relates to a composite rice tillering-control agent, comprising the following ingredients: 0.2%-1.0% of gibberellin, 1%-3% of rhodofix, 0.002%-0.008% of brassin, 40%-50% of zinc sulfate and 40%-50% of boric acid. The composite rice tillering-control agent of the invention has obvious tillering-control effect; as long as the agent is spread on rice in the period of proper water, ineffective tillering can be effectively controlled, the growth of rice tiller can be immediately controlled and the influence of soil and climate can be reduced, thus obviously improving the predictability and operability of rice tillering-control.
Description
Technical field
The present invention relates to plant growth regulator, particularly the paddy rice tillering-control agent.
Background technology
Paddy rice is the stooling crop, utilize the requirement that fringe is the rice high yield cultivation of tillering into of paddy rice, but tillering of paddy rice is not can both Cheng Sui, tiller and take place early finally can become effective fringe in the low joint position in early stage, named effective tiller this tillering, and later stage Gao Jiewei is tillered generation late, often can not become effective fringe, thereby be ineffective tillering, ineffective tillering can not form output, and the waste nutrient, influences the field ventilation and penetrating light, easily causes damage by disease and insect and lodging, influences output, thereby the ineffective tillering generation is controlled in requirement as much as possible in the production.Control ineffective tillering measure commonly used at present mainly comprises dry field and control fertilizing amount in early stage, and these two kinds of methods all have all to be needed to implement in advance, and the foresight of implementation result is poor and be subjected to the influence of factors such as soil, weather big.Meet to rain as dry field control tiller and just be difficult to carry out, and the dormant critical moisture content of tillering of different soils type is also different, therefore, the time of beginning dry field is difficult to grasp, then controlling tiller too early often causes effective tiller to be suppressed too early, effectively fringe is few, then controls the ineffective tillering DeGrain after late; Minimizing fertilizing amount in early stage can reduce tillers, and too much can cause the effective tiller generation influenced but reduce; Simultaneously, dry field and minimizing fertilizing amount in early stage all can cause adverse effect to the normal growth of paddy rice.At present, utilize plant growth regulator to promote to tiller to be very mature technique in the growth and be widely used, utilize plant growth regulator such as gibberellin control ineffective tillering that report is also arranged, but single plant growth regulator control ineffective tillering also have unsatisfactory place.
Summary of the invention
The purpose of this invention is to provide composite rice tillering-control agent.
Purpose of the present invention is realized by following technology technical scheme:
Forming of the compound tillering-control agent of the present invention: the gibberellin of 0.2%-1.0%, the methyl of 1%-3%, 0.002%-0.008% rape element, the zinc sulphate of 40%-50%, the boric acid of 40%-50% by following weight ratio.Using method is when the seedling number reaches the plan spike number or reaches the critical leaf age of the effective tiller phase, and every mu of compound tillering-control agent 50-100g of usefulness converts water 50kg and is used for cloudy day or fine evenly spraying on the blade face at dusk, sprays once after 3-5 days again.
Effect of the present invention
As known from Table 1, in the seedling number reached the time range of 80%-120% of plan spike number, different times sprayed compound tillering-control agent and all can control ineffective tillering and take place, and sprayed that more early to control the tiller effect obvious more, sprayed more once spray effective at twice.From yield result, can both increase output after spraying tillering-control agent, amount of increase in production is 3.46%-12.72%, but be not to spray more early well more, reach plan spike number time spray 50g/ mu with the seedling number, the output of spraying 50g/ mu after 3 days again is the highest, secondly be the seedling number when reaching the plan spike number spray best.
Table 1. tillering-control agent using method is to the control effect of rice ineffective tillering
| Application process | The highest seedling number (root/strain) | Ineffective tillering number (root/strain) | The percentage of earbearing tiller (%) | Output (kg/hm 2) |
| Spray 100g/ mu when the seedling number reaches plan spike number 80% | 11.4 | 2.6 | 77.19 | 7770 |
| Spray 100g/ mu when the seedling number reaches the plan spike number | 12.8 | 3.5 | 72.66 | 8340 |
| Spray 100g/ mu when the seedling number reaches plan spike number 120% | 12.8 | 4.3 | 66.41 | 7930 |
| Spray 50g/ mu sprayed 50g/ mu again when the seedling number reached plan spike number 80% after 3 days | 11.7 | 2.1 | 82.05 | 8011.5 |
| Spray 50g/ mu sprayed 50g/ mu again when the seedling number reached the plan spike number after 3 days | 12.9 | 3 | 76.74 | 8465 |
| Spray 50g/ mu sprayed 50g/ mu again when the seedling number reached plan spike number 80% after 6 days | 12.3 | 2.8 | 77.24 | 7900 |
| Spray 50g/ mu sprayed 100g/ mu again when the seedling number reached plan spike number 80% after 3 days | 11.6 | 2.2 | 81.03 | 8165 |
| Spray clear water (CK) | 13.9 | 4.6 | 66.91 | 7510 |
Composite rice tillering-control agent of the present invention, control tiller effect is obvious, just can effectively control the ineffective tillering generation as long as spray in paddy rice suitable period in hydration, just can control the growth of rice tillering immediately, be not subject to soil and climatic influences, can obviously improve the predictable and operability of paddy rice control tiller.
Specific embodiment
Specific embodiments of the invention 1
The compound tillering-control agent of the present invention is made up of following weight ratio: 0.2% gibberellin, 1% methyl, 0.002% rape element, 40% zinc sulphate, 40% boric acid.Using method is when the seedling number reaches the plan spike number or reaches the critical leaf age of the effective tiller phase, and every mu of compound tillering-control agent 50g of usefulness converts water 50kg and is used for cloudy day or fine evenly spraying on the blade face at dusk, sprays once after 3 days again.
Specific embodiments of the invention 2
The compound tillering-control agent of the present invention is made up of following weight ratio: 1.0% gibberellin, 3% methyl, 0.006% rape element, 45% zinc sulphate, 50% boric acid.Using method is when the seedling number reaches the plan spike number or reaches the critical leaf age of the effective tiller phase, and every mu of compound tillering-control agent 100g of usefulness converts water 50kg and is used for cloudy day or fine evenly spraying on the blade face at dusk, sprays once after 5 days again.
Claims (2)
1, a kind of composite rice tillering-control agent is characterized in that: be made up of following weight ratio: the gibberellin of 0.2%-1.0%, the methyl of 1%-3%, 0.002%-0.008% rape element, the zinc sulphate of 40%-50%, the boric acid of 40%-50%.
2, composite rice tillering-control agent according to claim 1 is characterized in that: be made up of following weight ratio: 1.0% gibberellin, 3% methyl, 0.006% rape element, 45% zinc sulphate, 50% boric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101365943A CN101444209A (en) | 2008-12-23 | 2008-12-23 | Composite rice tillering-control agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101365943A CN101444209A (en) | 2008-12-23 | 2008-12-23 | Composite rice tillering-control agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101444209A true CN101444209A (en) | 2009-06-03 |
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ID=40740322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101365943A Pending CN101444209A (en) | 2008-12-23 | 2008-12-23 | Composite rice tillering-control agent |
Country Status (1)
| Country | Link |
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| CN (1) | CN101444209A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503692A (en) * | 2011-11-04 | 2012-06-20 | 武汉普瑞丰生物科技有限公司 | Granular preparation for promoting rice tillering |
| CN104509547B (en) * | 2015-01-19 | 2017-07-07 | 四川省农业科学院生物技术核技术研究所 | Spray type tomato fruit-setting agent |
-
2008
- 2008-12-23 CN CNA2008101365943A patent/CN101444209A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503692A (en) * | 2011-11-04 | 2012-06-20 | 武汉普瑞丰生物科技有限公司 | Granular preparation for promoting rice tillering |
| CN104509547B (en) * | 2015-01-19 | 2017-07-07 | 四川省农业科学院生物技术核技术研究所 | Spray type tomato fruit-setting agent |
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Open date: 20090603 |