CN103636666A - Method for inhibiting germination of seeds on rice spikes - Google Patents
Method for inhibiting germination of seeds on rice spikes Download PDFInfo
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- CN103636666A CN103636666A CN201310620345.2A CN201310620345A CN103636666A CN 103636666 A CN103636666 A CN 103636666A CN 201310620345 A CN201310620345 A CN 201310620345A CN 103636666 A CN103636666 A CN 103636666A
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Abstract
The invention provides a method for inhibiting the germination of seeds on rice spikes and provides main components, a formula and an application method of a mixed type spike germination inhibiting agent. The application method comprises the following steps: from a middle soft dough stage to an initial yellow ripe stage of rice seeds, spraying the mixed type spike germination inhibiting agent at sunny days or non-rainy days; before spraying, adding 2-6 drops of a surfactant, such as Tween 80, into each liter of the mixed type spike germination inhibiting agent, and uniformly shaking; spraying 20-30 liters of the mixed type spike germination inhibiting agent into each Mu of a rice crossbreed seed farm; and uniformly spraying the mixed type spike germination inhibiting agent on rice spike layers.
Description
Technical field
The invention belongs to rice paddy seed production field, specifically belong to a kind of method that suppresses seed sprouting on Rice Panicle.
Background technology
In general, after paddy rice pollination finishes about 10 days, the most of embryo of its seed was grown completely, possesses the ability of sprouting.And the rice paddy seed maturing stage meet sometimes continuous rainy weather and cause the moisture of seed higher, and maturing stage temperature is also higher, make seed be in hot and humid weather conditions, cause seed also not gather in the crops and just on spike of rice, sprout or rudiment, greatly reduce seed quality, cause larger loss to seed manufacturing enterprise.Therefore, by adopting certain method to reduce the seed maturity moisture of harvest time, seed moisture content is not reached the required minimum moisture standard of sprouting, thereby reduce on seed fringe, sprout or germinate, improving the quality of seed.
Summary of the invention
For the rice paddy seed maturing stage, meeting sometimes continuous rainy weather causes the moisture of seed higher, and due to maturing stage temperature also higher cause, cause seed on spike of rice, to sprout or rudiment, affect the problems such as seed quality, the present invention presses down fringe and sprouts agent by spray mixed type in the rice paddy seed maturing stage, pressing down fringe sprouts in agent containing promoting the compositions such as seed fast dewatering and growth inhibitor, by reducing seed moisture content, make it not reach the required minimum moisture requirement of sprouting, suppress seed germination growth simultaneously, thereby reach efficient inhibition seed sprouts or germinates on spike of rice, improve the object of percentage of seedgermination.
The object of this invention is to provide and a kind ofly by dehydration on fringe, the accelerating mixed type of seed sprouting that combines with growth inhibition on compound inhibition Rice Panicle, press down fringe and sprout agent.
Described accelerating and the main component of growth inhibitor are 10%S-abscisic acid (LongMang Fusheng Technology Co., Ltd, Sichuan produces, aqua) and ethrel; Switzerland Xian Zhengda crop protection Co., Ltd) and NaCL the main component of dehydrating agent is weed killer herbicide as vertical paddy (trade name, the effective ingredient: 20% diquat, aqua, manufacturing enterprise: received.
Described mixed type presses down fringe to sprout the formula of agent be that the 10%S-abscisic acid, 0.25g left and right ethrel, 8～20g NaCL and the 5ml left and right weed killer herbicide that add 0.2～0.8g in every premium on currency solution is vertical receives paddy, mixes.
Another object of the present invention is to provide a kind of method that suppresses rice paddy seed head sprouting, mainly comprises the following steps: 1) at rice paddy seed middle dough stage to the yellow maturity initial stage, select fine day or non-rainy day to spray above-mentioned mixed type and press down fringe and sprout agent;
?2) every liter of this mixed type, pressing down fringe before spraying adds 2～6 surfactants in sprouting agent and shakes up after as Tween 80;
3) every mu of paddy rice hybrid seed farm sprays this mixed type and presses down fringe and sprout 20～30 liters of agent, preferably 25 liters;
4) method spraying is with electronic or manual sprayer or aircraft, mixed type to be pressed down to fringe to sprout agent and spray equably at Rice Panicle layer.
beneficial effect
Vertical receipts paddy belongs to plant growth regulator, and active ingredient is diquat, gathers in the crops front use after crop maturation, can make crop dewater rapidly in field.But vertical receipts paddy can not accelerate crop maturation, and while being used in separately on jejune crop seed, the germination rate of immature seed and output may be impaired.Mixed type provided by the invention presses down fringe and sprouts agent on the basis of vertical receipts paddy, added the medicament of the promotion seed development maturations such as 10%S-abscisic acid, ethrel, NaCL, after spraying, can make seed moisture content remain on below 20%, blade is completely not withered again simultaneously, does not affect the maturation of seed.
The Hybrid Rice Combinations seed farms such as excellent No. 1, II excellent 1681 are tested within 2012 to 2013 continuous 2 years, to have selected Y two.At middle dough stage, by the amount of 25L/ mu, spraying this mixed type presses down fringe and sprouts agent, if spraying this mixed type presses down after fringe is sprouted agent and meets continuous rainy weather, can suppress fringe and sprout, it is lower by 18.2% than spraying separately vertical receipts paddy processing (contrast 1) that its fringe is sprouted rate, lower by 54.8% than untreated seed production field (contrast 2).If spray this mixed type, press down after fringe is sprouted agent and do not meet continuous rainy weather, can reduce seed moisture content but not affect seed development, spray this mixed type and press down fringe and sprout germination rate that agent processes mature seed than spraying separately vertical (contrast 1) high 20.5 % that paddy is processed that receive; Not remarkable with the germination rate difference of untreated seed production field (contrasting 2) seed.Spraying this mixed type presses down fringe and sprouts thousand grain weigth average specific that agent processes and spray separately and vertically receive paddy and process (contrast 1) high 1.35g; Not remarkable with the thousand grain weigth difference in untreated seed production field (contrasting 2).
Embodiment
Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
This mixed type of using the excellent No. 1 hybrid seeding seed of embodiment 1 Hybrid Rice Combinations Y two presses down fringe and sprouts the result of use of agent.
1, test in 2012 hybrid seeding fields, Dongxiang town, Chenzhou City Zixing county, Nian Hunan Province.Before seed middle dough stage, all field management are all by the Routine Management of paddy rice cross breeding seed farm.
2, at seed middle dough stage, in same location, mark 9 blocks, 0.5 mu/block, establish 3 processing, repeat/process for 3 times.Process I: spray as follows mixed type of the present invention and press down fringe and sprout agent; Process II (contrast 1): by vertical receipts paddy (diquat) operation instruction of Switzerland Xian Zhengda crop protection Co., Ltd, spray the vertical paddy of receiving; Process III (contrast 2): untreated seed production field.
3, mixed type of the present invention presses down fringe and sprouts agent and every liter of this mixed type, press down after fringe adds 4～6 surfactant Tween 80s in sprouting agent and shake up before spraying.
4, by the amount of 25L/ mu, spray this mixed type and press down fringe and sprout agent, mixed type is pressed down to fringe and sprout agent and spray equably at Rice Panicle layer.Process contrast simultaneously.
5, after seed maturity, gather in the crops seed, the seed of results contrast simultaneously.
At middle dough stage, by the amount of 25L/ mu, spray this mixed type and press down fringe and sprout agent, spray this mixed type and press down after fringe is sprouted agent and within the 3rd day, work the rainy weather of meeting continuous 8 days.Result shows, it is 55.2% that the fringe of untreated seed production field (contrast 2) is sprouted rate; And spray this mixed type, press down fringe and sprout fringe that agent processes to sprout rate be only 0.4%; Spray separately and vertical receive paddy and process the fringe of (contrast 1) to sprout rate be 18.6%.Spraying this mixed type presses down fringe and sprouts thousand grain weigth that agent processes and vertically receive paddy and process (contrast) high 1.2g than spraying separately; Not remarkable with the thousand grain weigth difference in untreated seed production field (contrasting 2).
Embodiment 2
2013 Tong Jinpu town, Cili County, Nian Zhangjiajie of Hunan Province cities select the excellent 1681 hybrid seeding fields of II to carry out in the above described manner identical test, by mixed type of the present invention, press down fringe and sprout agent, by using method of the present invention, spraying this mixed type presses down fringe and sprouts agent, with contrast on the same day results, spray the water content of rear survey seed, after results, survey respectively germination rate and the thousand kernel weight of its seed.Spraying this mixed type presses down after fringe is sprouted agent and does not run into continuous rainy weather.Result shows, sprays this mixed type and presses down fringe and sprout the water content that plays seed after agent on the 3rd day and be reduced to 27.5%, is reduced to 18.6% to the water content of the 5th day seed; Spray separately and vertical receive paddy and process the water content that (contrast) play seed on the 3rd day and be reduced to 28.6%, be reduced to 22.5% to the water content of the 5th day seed; And the water content of untreated seed production field seed is 30% left and right always.Spraying this mixed type presses down fringe and sprouts percentage of seedgermination that agent processes and vertically receive paddy and process (contrast 1) high 20.5 % than spraying separately; Not remarkable with the germination rate difference of untreated seed production field (contrasting 2) seed.Spraying this mixed type presses down fringe and sprouts thousand grain weigth that agent processes and vertically receive paddy and process (contrast) high 1.5g than spraying separately; Not remarkable with the thousand grain weigth difference in untreated seed production field (contrasting 2).
Claims (3)
1. the mixed type that suppresses seed sprouting on Rice Panicle presses down fringe and sprouts an agent, it is characterized in that:
Described mixed type presses down fringe to sprout the formula of agent be that the 10%S-abscisic acid, 0.25g left and right ethrel, 8～20g NaCL and the 5ml left and right weed killer herbicide that add 0.20～0.8g in every premium on currency solution is vertical receives paddy, mixes.
2. described in claim 1, mixed type presses down fringe and sprouts the using method of agent, comprises the following steps:
1) at rice paddy seed middle dough stage to the yellow maturity initial stage, select fine day or non-rainy day to spray above-mentioned mixed type and press down fringe and sprout agent;
2) every liter of this mixed type, pressing down fringe before spraying adds 2～6 surfactants in sprouting agent and shakes up after as Tween 80;
3) every mu of paddy rice hybrid seed farm sprays this mixed type and presses down fringe and sprout 20～30 liters of agent;
4) method spraying is with electronic or manual sprayer or aircraft, mixed type to be pressed down to fringe to sprout agent and spray equably at Rice Panicle layer.
3. method as claimed in claim 2, is characterized in that every mu of paddy rice hybrid seed farm sprays mixed type but fringe is sprouted 25 liters of agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310620345.2A CN103636666A (en) | 2013-11-29 | 2013-11-29 | Method for inhibiting germination of seeds on rice spikes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310620345.2A CN103636666A (en) | 2013-11-29 | 2013-11-29 | Method for inhibiting germination of seeds on rice spikes |
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| CN103636666A true CN103636666A (en) | 2014-03-19 |
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| CN201310620345.2A Pending CN103636666A (en) | 2013-11-29 | 2013-11-29 | Method for inhibiting germination of seeds on rice spikes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104982438A (en) * | 2015-06-17 | 2015-10-21 | 浙江大学 | Pre-harvest sprouting inhibitor and method for inhibiting rice pre-harvest sprouting |
| CN106106548A (en) * | 2016-06-28 | 2016-11-16 | 广东省农业科学院水稻研究所 | A kind of composite water spike of rice sprouts inhibitor and its preparation method and application |
| CN106135271A (en) * | 2016-07-04 | 2016-11-23 | 中国农业科学院油料作物研究所 | A kind of Semen Brassicae campestris vivipary inhibitor and application thereof |
| CN106172523A (en) * | 2016-06-28 | 2016-12-07 | 广东省农业科学院水稻研究所 | A kind of Green Water spike of rice sprouts inhibitor and its preparation method and application |
| CN107853172A (en) * | 2017-12-11 | 2018-03-30 | 湖南农业大学 | A kind of zero fringe sprouts hybrid rice seeds production method |
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| CN102326545A (en) * | 2011-06-20 | 2012-01-25 | 中国农业大学 | Drought-resistant agent and application thereof |
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2013
- 2013-11-29 CN CN201310620345.2A patent/CN103636666A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102326545A (en) * | 2011-06-20 | 2012-01-25 | 中国农业大学 | Drought-resistant agent and application thereof |
Non-Patent Citations (3)
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| 丁松等: "杂交水稻制种应用穗萌抑制剂试验初报", 《安徽农业科学》, no. 13, 1 May 2008 (2008-05-01), pages 5347 - 5348 * |
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| 吴小蓉等: "20%敌草快在水稻上的催枯技术及试验效果初探", 《上海农业科技》, no. 06, 5 December 2007 (2007-12-05), pages 124 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104982438A (en) * | 2015-06-17 | 2015-10-21 | 浙江大学 | Pre-harvest sprouting inhibitor and method for inhibiting rice pre-harvest sprouting |
| CN104982438B (en) * | 2015-06-17 | 2017-09-08 | 浙江大学 | Fringe sprouts inhibitor and suppresses the method that Rice Panicle is sprouted |
| CN106106548A (en) * | 2016-06-28 | 2016-11-16 | 广东省农业科学院水稻研究所 | A kind of composite water spike of rice sprouts inhibitor and its preparation method and application |
| CN106172523A (en) * | 2016-06-28 | 2016-12-07 | 广东省农业科学院水稻研究所 | A kind of Green Water spike of rice sprouts inhibitor and its preparation method and application |
| CN106172523B (en) * | 2016-06-28 | 2018-09-18 | 广东省农业科学院水稻研究所 | A kind of Green Water spike of rice sprouts inhibitor and its preparation method and application |
| CN106135271A (en) * | 2016-07-04 | 2016-11-23 | 中国农业科学院油料作物研究所 | A kind of Semen Brassicae campestris vivipary inhibitor and application thereof |
| CN106135271B (en) * | 2016-07-04 | 2018-10-30 | 中国农业科学院油料作物研究所 | A kind of rape seed vivipary inhibitor and its application |
| CN107853172A (en) * | 2017-12-11 | 2018-03-30 | 湖南农业大学 | A kind of zero fringe sprouts hybrid rice seeds production method |
| CN107853172B (en) * | 2017-12-11 | 2020-09-15 | 湖南农业大学 | Production method of zero-ear-sprouting hybrid rice seeds |
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Application publication date: 20140319 |