CN100584202C - Antifreeze for Prunus armeniaca L flowers and fruits - Google Patents
Antifreeze for Prunus armeniaca L flowers and fruits Download PDFInfo
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- CN100584202C CN100584202C CN200710019196A CN200710019196A CN100584202C CN 100584202 C CN100584202 C CN 100584202C CN 200710019196 A CN200710019196 A CN 200710019196A CN 200710019196 A CN200710019196 A CN 200710019196A CN 100584202 C CN100584202 C CN 100584202C
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Abstract
The invention discloses a flower and fruit anti-freezing agent of kernel apricot, the flower and fruit anti-freezing agent of the kernel apricot is mixed by abscisic acid, brassinolide, cerous nitrate and water, wherein, the concentration of abscisic acid is 10 mg/L, the concentration of brassinolide is 1.6mg/L, and the concentration of cerous nitrate is 0.8mg/L. The invention has advantages of reasonable medicament compatibility, high medicament utilization rate, obviously reduced percentage of frosted flower and increased percentage of fertile fruit of almond-apricot. The plant using the medicament has the reduced percentage of frosted flower by 38 percent-66 percent compare with clear water and has the increased percentage of fertile fruit by 103.8 percent compare with clear water. The materials used by the invention has advantages of high permeability, internal absorption, high efficiency, broad spectrum, low toxicity and safety, low making cost and convenient use. The invention is suitable for various kernel apricots, and other fruit trees can also take the invention for reference.
Description
Technical field
The invention belongs to freezing protection for fruit tree agent technical field, relate to a kind of flowers and fruits antifreezing agent, particularly a kind of being applicable to prevents flowering fruit bearing stage freeze injury, the raising benevolence benevolence of apricot percentage of fertile fruit apricot flowers and fruits antifreezing agent.
Background technology
Benevolence is mountain area greening and the desirable seeds that increase masses' income with apricot, has good economy, society and ecological benefits.Thereby in the project of conceding the land to forestry that country implements in recent years, benevolence has obtained large tracts of land with apricot in the northern area of China and has planted, and the large-scale production base has been built up in many areas, and only northwest, North China, the Northeast's benevolence just reach more than 1,000 ten thousand mu with the apricot area.But because benevolence is bloomed early with apricot, florescence late frost harm is serious, and the annual production loss that causes because of the flowering fruit bearing stage freeze injury has become restriction benevolence with the apricot restriction on industry development factor about 30%-40%.
In known technology, the existing benevolence that prevents has freeze injury to execute with the medicament of apricot flowering fruit bearing stage freeze injury and day reaches-2116, but freeze injury must be executed and the sky reaches-2116 pairs of benevolence apricot cold resistance influence instability, on the other hand, because the distinctive biological property of blooming earlier and afterwards coming into leaves of apricot, the mode that these medicines adopt tree crowns to spray in flower early stage is used, because the poor ability of this stage tree bulk absorption medicament, thereby caused the loss of medicament and the reduction of antifreezing effect.Therefore, for preventing that benevolence from the freeze injury of apricot flowering fruit bearing stage, improving benevolence has further raising with the technical problems such as percentage of fertile fruit of apricot latency.
Summary of the invention
The objective of the invention is to, a kind of benevolence apricot flowers and fruits antifreezing agent is provided, to solve benevolence with the freeze injury of apricot at flowering fruit bearing stage, improve benevolence apricot percentage of fertile fruit, this benevolence is easy to use with apricot flowers and fruits antifreezing agent, compatibility reasonable, cost is lower, and effect is remarkable.
In order to realize above-mentioned task, the technical solution that the present invention takes:
A kind of benevolence apricot flowers and fruits antifreezing agent, it is characterized in that, make this benevolence and mixed by abscisic acid, study on brassinolide, cerous nitrate and water with apricot flowers and fruits antifreezing agent and form, wherein, the concentration of abscisic acid is that the concentration of 10mg/L, study on brassinolide is that the concentration of 1.6mg/L, cerous nitrate is 0.8mg/L.
Above-mentioned benevolence with apricot flowers and fruits antifreezing agent is the period of using: bloom with apricot in benevolence and use once in previous week, use once with the florescence of apricot in benevolence, adopt tree crown to spray or the trunk injection mode when using, wherein, the consumption of trunk injection mode is to spray 20% of consumption.
Benevolence of the present invention apricot flowers and fruits antifreezing agent, solved benevolence effectively and frozen the fruit problem with the flower that freezes in the apricot industry development, significantly improved the fruit-setting rate of benevolence with apricot, in the Wuqi County in Shaanxi, benevolence such as Zhidan, Ansai with the apricot producing region through the multiple years test, result of the test shows: it compared with prior art, it is reasonable to have the medicament compatibility, can significantly reduce benevolence and freeze colored rate with apricot, can obviously improve the percentage of fertile fruit of benevolence with apricot.Use the plant of this medicament to freeze colored rate comparison clear water reduction by 38%～66%, percentage of fertile fruit improves 103.8% than clear water; Use the plant of this medicament to freeze colored rate than " freeze injury must be executed " reduction by 31.7%～62%, percentage of fertile fruit improves 61.5% than " freeze injury must be executed "; Use the plant of this medicament to freeze colored rate than " sky reaches-2116 " reduction by 36.3%～65.8%, percentage of fertile fruit improves 100% than " sky reaches-2116 ".Benevolence of the present invention apricot flowers and fruits antifreezing agent, strong, the interior absorption of raw materials used infiltration, efficient, wide spectrum, safety low-poison, low cost of manufacture, easy to use.Benevolence of the present invention is applicable to that with apricot flowers and fruits antifreezing agent various benevolence use apricot, and other fruit tree also can be with reference to use.
Embodiment
The present invention is described in further detail with concrete experiment below in conjunction with embodiment.
According to technical scheme of the present invention, a kind of benevolence apricot flowers and fruits antifreezing agent, making this benevolence is made up of abscisic acid, study on brassinolide, cerous nitrate and water mixing with apricot flowers and fruits antifreezing agent, wherein, the concentration of abscisic acid is that the concentration of 10mg/L, study on brassinolide is that the concentration of 1.6mg/L, cerous nitrate is 0.8mg/L.
Above-mentioned benevolence will mix by proportioning by abscisic acid, study on brassinolide, cerous nitrate and water with the preparation method of apricot flowers and fruits antifreezing agent, and method constant volume is routinely checked at last, packed, and is benevolence apricot flowers and fruits antifreezing agent.The preparation method is simple, no specific (special) requirements.
Benevolence of the present invention is according to physiology of reproduction, cold-resistant physiology, botany, the biological property of benevolence with apricot with apricot flowers and fruits antifreezing agent, through for many years repeatedly after the orthogonal experiment of multiple spot, having optimized with abscisic acid, study on brassinolide, these three kinds of medicaments of cerous nitrate is that raw material is made, and the characteristic of each component is in the prescription:
Abscisic acid (Abscisic Acid) is called for short ABA, is a kind of plant hormone, chemistry 3-methyl-5-(1 '-hydroxyl-4 '-oxo-2 ', 6 ', 6 '-trimethyl-2-cyclohexene-1 '-alkyl) by name-2-cis, and 4-is trans-the eleventh of the twelve Earthly Branches dienoic acid.It mainly acts on is to promote the reserve substance, particularly storage protein of seed, fruit and the accumulation of sugar part, is the sprouting savings nutrition of crop seed.Execute ABA at seed and fruit development in early days, can reach the purpose that improves crop and output of the fruit tree greatly; ABA is a kind of effective inhibitor of completely reversibility of seed germination, with the aqueous solution of its extremely low concentration to plant seed particularly the higher economic crops seed of added value implement to help after the simple process long term storage of seed, thereby avoided because the improper seed that causes of condition of storage germinates too early and goes mouldy, effect is remarkable.And germination capacity of seeds can recover immediately fully after simple drip washing, and is nontoxic free from environmental pollution; ABA can improve the cold-resistant antifreeze ability of crop, is used to help the low temperature freezing-disaster during crops and economic crops opposing early spring and cultivates the strong crop varieties of new cold hardiness.Many countries of the U.S. and European Union extensively are applied to prevent the freeze injury of high-grade lawn such as golf course lawn; ABA can significantly improve drought resistance and the salt tolerant alkali ability of plant, helps to make full use of because the natural environment variation uses the arid day by day and desertization that is caused, the degeneration of salinization of soil to plough with a large amount of chemical fertilizer are long-term; ABA controls flower bud differentiation in addition, regulates the florescence, the effect of hestening rooting.
Study on brassinolide (BR), English name is Brassinolide, is by people such as U.S. doctor Mirchell 1970 isolated steroidal substances from rape pollen at first.It mainly acts on:
(1) efficient: the activity of natural rape element is 1000-10000 a times of growth hormone, and it can improve seed vitality, promotes root system development, improves water, fertile availability; Increase chlorophyll content, improve photosynthetic efficiency.
(2) wide spectrum: natural rape element is applicable to all cereal crops, oil crop and economic crops such as grain, cotton, oil (soybean, rape etc.), tea, mulberry, cigarette, melon, fruit tree, vegetables, flowers, medicinal material.
(3) convenient: natural rape element can use by any vegetative stage in crop growth period, also can be in different regions, Different Climatic Zones uses.It can also be used with any medicine, fertilizer except that alkaline agricultural chemicals, fertilizer, and medicine, fertilizer efficiency are really doubled, and availability improves.
(4) improve quality: natural rape element can effectively improve the quality of crop and fruit, improves the content (as protein, vitamin etc.) of the organic matter of agricultural product.
(5) strengthen anti-adversity ability: natural rape element can improve the anti-adversity ability of crop greatly.Disease-resistant, anti-bad change, drought resisting, cold-resistant, waterlogging-resistant, anti-saline and alkaline and resistant to lodging.
(6) improve the plant immune function: natural rape element can effectively be prevented and treated the various crop virus disease.
(7) remove poisoning: natural rape element can in time be removed the poisoning that agricultural chemicals such as weed killer herbicide causes crop.
(8) nontoxic, nuisanceless, noresidue: natural rape element is the all-natural product that extracts from plant, to the people, animal safety non-toxic, imposes on and feeds silkworm behind the mulberry leaf, can reduce disease silkworm lethality.
Cerous nitrate, English name: cerium nitrate.Cerium is a kind of rare earth element, and what be used for agricultural mainly is nitrate joint product, i.e. nitric acid rare earth. it mainly acts on and is:
(1) promote root growth, root system volume increases, and the root system dehydrase improves.
(2) improving plant nitrogen pool, particularly ammoniacal nitrogen increases, and the nitrate reductase of doing in the object improves, and nitrate nitrogen reduces, and ammoniacal nitrogen increases, and total nitrogen increases.
(3) under certain condition, rare earth can promote the absorption of crop to N, P, K in the soil, promotes the running of N, P, K in the plant corpus, particularly promotes the absorption and the running of phosphorus element, has strengthened the nutrition supply of fructification, helps solid process.
(4) rare earth of doses can improve the chlorophyll content of plant, improves the functional effect of blade, prolongs functional period, improves photo-reduction activity and photosynthetic intensity, promotes that photosynthetic product turns round to fructification, helps solid process.
(5) can improve crop anti-adversity.The OH free radical belongs to active oxygen radical, has strong oxidation, can damage body in vivo. cerous nitrate middle rare earth ion Ce3+ has the characteristic of appraising at the current rate, be easier to realize the transformation between trivalent and the tetravalence, thereby and can with the OH radical reaction. effectively remove the OH free radical in the plant corpus under the low temperature stress, strengthen the resistance of plant corpus.
The benevolence that above-mentioned these three kinds of material combinations are made is with apricot flowers and fruits antifreezing agent, through tree crown spray or trunk injection after, mensuration by Physiological Indices of Cold-tolerance and Endogenous Hormone Contents in Vitro as can be known, this benevolence can improve endogenous aba content and the ABA/GA of benevolence with apricot bud, flower, young fruit with apricot flowers and fruits antifreezing agent
3Value, the endogenous GA that reduces
3Content impels its soluble sugar, soluble protein to improve, and SOD, POD enzymic activity strengthen, and impels benevolence to reduce with the electrolyte leaching rate and the MDA content of apricot bud, flower, young fruit, improves benevolence apricot cold resistance.
Below be the test example on probation that the inventor provides:
Zhidan County Li Jia gulf, Shaanxi Province experimental field in, growing way benevolence medium, no damage by disease and insect is set as test with apricot in selection " excellent one " kind, spraying " benevolence with apricot flowers and fruits antifreezing agent " of the present invention, conventional antifreezing agent " freeze injury must be executed " and " sky reaches-2116 " respectively at bud expanding stage and florescence, is control group with the clear water.If 3 times are repeated, 5 strain sub-districts.
According to different disposal and repetition, to test tree marking mark.And in the southwest of every test tree to 1 branch selecting the growth golden mean of the Confucian school, no damage by disease and insect as the standard branch, and paint mark.Adopt tree crown to spray mode when using.Behind the complete stool spray medicine, by flower quantity on the strain investigation statistics standard branch.At the young fruit expanding stage of Xie Huahou, by the young fruit quantity on the strain investigation statistics standard branch.And calculating percentage of fertile fruit.
Just meet low temperature below 0 ℃ in apricot flowering stage, freeze injury has taken place, carried out Investigation on Frost Damage and the standard branch colored quantity surveying of enduring cold, and calculated the colored rate of freezing.Statistics sees Table 1 and table 2 respectively.
The result shows: use the plant of " benevolence apricot flowers and fruits antifreezing agent ", it freezes colored rate and reduces by 38%～66% than control group, and percentage of fertile fruit improves 103.8% than control group; Use the plant of " freeze injury must be executed ", it freezes colored rate and reduces by 4.0%～6.3% than control group, and percentage of fertile fruit improves 42.3% than control group; Use the plant of " sky reaches-2116 ", it freezes colored rate and reduces by 0.2%～1.7% than control group, and percentage of fertile fruit improves 3.8% (referring to table 1, table 2) than control group.
From result of the test as can be seen: above-mentioned 3 kinds of antifreezing agents all have antifreezing effect in various degree, but best with the antifreezing effect of " benevolence with apricot flowers and fruits antifreezing agent " of the present invention.
Also can adopt the trunk injection mode, show through inventor's experiment, adopting its consumption of trunk injection mode is to spray 20% of consumption, can reach above-mentioned technique effect equally.
The cold-resistant material of table 1 influences with apricot " excellent " kind flower freeze injury rate benevolence
The cold-resistant material of table 2 influences with apricot " excellent " kind percentage of fertile fruit benevolence
Claims (2)
1, a kind of benevolence apricot flowers and fruits antifreezing agent, it is characterized in that, make this benevolence and mixed by abscisic acid, study on brassinolide, cerous nitrate and water with apricot flowers and fruits antifreezing agent and form, wherein, the concentration of abscisic acid is that the concentration of 10mg/L, study on brassinolide is that the concentration of 1.6mg/L, cerous nitrate is 0.8mg/L.
2, the described benevolence of claim 1 application process of apricot flowers and fruits antifreezing agent, it is characterized in that, be to bloom with apricot in benevolence to use once in previous week the period of using, use once with the florescence of apricot in benevolence, adopt tree crown to spray or the trunk injection mode when using, wherein, trunk injection mode consumption is to spray 20% of consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710019196A CN100584202C (en) | 2007-11-27 | 2007-11-27 | Antifreeze for Prunus armeniaca L flowers and fruits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710019196A CN100584202C (en) | 2007-11-27 | 2007-11-27 | Antifreeze for Prunus armeniaca L flowers and fruits |
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| Publication Number | Publication Date |
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| CN101199284A CN101199284A (en) | 2008-06-18 |
| CN100584202C true CN100584202C (en) | 2010-01-27 |
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| CN200710019196A Expired - Fee Related CN100584202C (en) | 2007-11-27 | 2007-11-27 | Antifreeze for Prunus armeniaca L flowers and fruits |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102630703A (en) * | 2011-02-11 | 2012-08-15 | 谭汉卿 | Fruit tree disease and freeze preventing agent |
| CN104817405A (en) * | 2015-05-20 | 2015-08-05 | 张达燕 | Plant antifreezing agent |
| CN106386215A (en) * | 2016-09-09 | 2017-02-15 | 安徽省怡果生态科技有限公司 | Fig tree overwintering anti-freezing method |
| CN106386351A (en) * | 2016-09-09 | 2017-02-15 | 安徽省怡果生态科技有限公司 | Management method for prolonging fruiting period of fig tree |
| CN111742941A (en) * | 2020-07-09 | 2020-10-09 | 南京启佑生物科技有限公司 | Nano enzyme preparation-rare earth composite antibacterial agent and application |
| CN112544325B (en) * | 2020-12-08 | 2022-04-29 | 西北农林科技大学 | Method for postponing flowering phase of apples by applying abscisic acid externally |
| CN113133457B (en) * | 2021-04-12 | 2022-05-03 | 北京市科学技术研究院资源环境研究所 | Fruit tree antifreezing agent and preparation and use method thereof |
| CN113575241A (en) * | 2021-09-07 | 2021-11-02 | 山西省林业和草原技术推广总站 | Method for avoiding late frost of kernel apricot, late frost-avoiding solution and preparation method of late frost-avoiding solution |
| CN114044716A (en) * | 2021-12-09 | 2022-02-15 | 中国林业科学研究院经济林研究所 | Apricot blossom and fruit antifreezing agent, preparation and apricot blossom and fruit antifreezing method |
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