CN109699645A - A kind of citrus tip killing agent and its preparation, application method and application - Google Patents
A kind of citrus tip killing agent and its preparation, application method and application Download PDFInfo
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- CN109699645A CN109699645A CN201910071176.9A CN201910071176A CN109699645A CN 109699645 A CN109699645 A CN 109699645A CN 201910071176 A CN201910071176 A CN 201910071176A CN 109699645 A CN109699645 A CN 109699645A
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- citrus
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- killing agent
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Abstract
The invention belongs to cultivation of fruit tree and plant protection fields, and in particular to a kind of citrus tip killing agent and its preparation, application method and application.The citrus tip killing agent is made of the modified trisiloxanes of ethyoxyl, dioctyl sodium sulfosuccinate, Oxyfluorfen, paclobutrazol and water, the citrus tip killing agent of preparation using when tender shoots is sprayed, sprayed again every 15 days second.For the citrus tip killing agent compared with existing tip killing agent, ingredient is simple, and pesticides application is few, therefore friendly to man and nature；And mature leaf is not damaged, the normal growth of citrus is not influenced, and cutting diaphorina citri oviposition link reduces diaphorina citri worm sources, substantially reduces the incidence of yellow twig；Application method is simple and easy, and sprays standard and define, and is conducive to the extensive utilization in agricultural production.
Description
Technical field
The invention belongs to cultivation of fruit tree and plant protection fields, and in particular to a kind of citrus tip killing agent and its preparation, application method
And application.
Background technique
Citrus Huanglongbing pathogen is caused by a kind of gramnegative bacterium for being limited to bast endoparasitism, can infect including
A variety of rutaceaes such as Citrus, Poncirus, Fortunella and kamuning.Citrus Huanglongbing pathogen is the destructiveness on world's Orange Producing
Disease, the disease are mainly distributed on nearly 50 countries and regions in Asia, Africa, Oceania, South America and North America, 19, China
Orange Producing, which saves in (city, autonomous region), has 11 by the evil of being critically ill, the serious sound development for restricting Citrus Industry.
Citrus Huanglongbing pathogen occurs seriously, and the influence to global Citrus Industry is very big.Take at present is to surgery sick tree and answer
The method of the communication media diaphorina citri of yellow twig is killed with insecticide.But it surgeries sick tree and expends huge, killing diaphorina citri,
Plain or the place for having typhoon etc., it is extremely difficult to prove effective, be unable to control its extension.
Diaphorina citri need to feeding and oviposition on citrus tender leaf, kill the tip fruit retention volume increase be exactly young sprout top is cut off, it is not prosperous
It is long, nutrient consumption, thickening and promotion growth of young are reduced, prosperous tree vigo(u)r and fruit retention volume increase are reached.Tip killing agent is that one kind can remove
The medicament of fruit tree and vegetable (need to remove young sprout one cuts plant) young sprout, it can selectively kill young sprout (not needing the tip),
Crop nutrition is kept, but adverse effect is not generated to climax leaves, the tip (the result tip) and developmental flower, fruit.
Patent CN201310355452.7 discloses a kind of Novel tip killing agent, components by weight percent are as follows: 5- nitro guaiaretic acid
Sodium: 0.1~0.3, sodium onitrophenol: 0.2~0.5, Sodium p-nitrophenoxide: 0.3~0.7,24% fluoroglycofen-ethyl: 15~
25, methanol: 40~60, emulsifier 2201:8~12, diphenyl phosphate azide: 2~3, water: 10~20.The ingredient of the tip killing agent
Complexity, formulation of pesticide component ratio is excessive, all has an impact to human body and environment.
Patent CN201610869664.0 discloses a kind of method for preventing and treating Citrus Huanglongbing pathogen, and the method is sprinkling medicine
Object, the drug include following raw material: 120-150 parts of folium artemisiae argyi, 100-120 parts of paulownia sawdust, 90-110 parts of Sophora alopecuroide, Cortex Magnoliae Officinalis
80-100 parts, 60-90 parts of China tree, 55-86 parts of Celastrus angulatus, 52-78 parts of tree-of-heaven, the ingredients such as 45-68 parts of lettuce.The same patent is public
The ingredient opened is more complicated, is more unable to control its influence to human body and environment.
Therefore in conclusion researching and developing that a kind of ingredient is simple, pesticides application is few and kills tip effect good citrus tip killing agent has very much
It is necessary.
Summary of the invention
In view of this, one of the objects of the present invention is to provide a kind of citrus tip killing agent, the citrus tip killing agent ingredient letter
Single, pesticides application is few, can effectively kill the short tip, to largely reduce wood louse worm sources, advantageously reduces the generation of yellow twig.
To achieve the goals above, the present invention uses following scheme:
The citrus tip killing agent is by ethyoxyl modified trisiloxanes, dioctyl sodium sulfosuccinate, Oxyfluorfen, multiple-effect
Azoles and water composition.
Further, the ethyoxyl is modified trisiloxanes, dioctyl sodium sulfosuccinate, Oxyfluorfen and paclobutrazol
Mass ratio is 50~80:50~80:2~3:1~2.
Preferably, the ethyoxyl is modified trisiloxanes, dioctyl sodium sulfosuccinate, Oxyfluorfen and paclobutrazol
Mass ratio is 60~70:60~70:2.5:1.5.
Oxyfluorfen, English common name oxyfluorfen, chemical name are chloro- 4- trifluoromethyl-the 3 '-hydroxyls of 2-
Base -4- nitrobenzophenone ether, is mainly used for before the crop fields bud or broad-leaved and gramineae weed are prevented and kill off in application after bud, has degrass spectrum
Extensively, the features such as lasting period is long, high to citrus the growing tips of the plant activity.Oxyfluorfen is general as the concentration of herbicide are as follows:
It is recommended that 30% Oxyfluorfen prometryn wettable powder is for preventing and treating garlic weeds in field, 450~900a.i.g/ of medication
Hm2, (unit is the dosage of per hectare, and dosage is different per acre for heterogeneity stoste various concentration) is before garlic after planting germinates
Disposable soil is spraying.Single dose such as is recommended to use 24% oxyfluorfen EC, 750mL/hm2 effect is good, 5 before rice transplanting
The application of~7d pesticide-clay mixture method keeps 3~5cm of water layer, but mixed effect is better than single dose use.14% humulone Oxyfluorfen cream
Oil prevents and kill off cotton field weed suitable application period are as follows: before emerging after sowing cotton seed, weeds carry out soil envelope before being not yet unearthed
Processing is closed, recommendation dosage is 336~504a.i.g/hm2.
The modified trisiloxanes of the ethyoxyl is surfactant, and the dioctyl sodium sulfosuccinate is bleeding agent.
The second object of the present invention is to provide a kind of preparation method of citrus tip killing agent.
To achieve the above object, the present invention uses following scheme:
The preparation method comprises the following steps:
1) the modified trisiloxanes of ethyoxyl and dioctyl sodium sulfosuccinate are proportionally sufficiently mixed, and are diluted to molten
Liquid 1；
2) by being added to Oxyfluorfen and paclobutrazol in the solution 1 of step 1), after mixing evenly up to the citrus
Tip killing agent.
Further, the diluted multiple is 1000 times.
The third object of the present invention is to provide a kind of application method of citrus tip killing agent, and the application method is simply easy
Row, and mark sprays standard and defines, and is conducive to the extensive utilization in agricultural production.
To achieve the above object, the present invention uses following scheme:
Tender shoots is sprayed with the citrus tip killing agent, and was sprayed again every 15 days second.
Further, tender shoots can also again spray tender shoots progress third time every 15 days after spraying second.
Further, described spray sprays for fine day, spraying time 12:00-15:00.
Further, the tender shoots is uniformly squirted and is dripped without extra tip killing agent, the desinsection of diaphorina citri can also be cooperated
Agent uses, and is more advantageous to the generation for reducing yellow twig.
The fourth object of the present invention is to provide a kind of citrus tip killing agent and is killing citrus tender tip and/or reducing wood louse
Application in worm sources and/or reduction Citrus Huanglongbing pathogen.
Further, the citrus tip killing agent can enhance the citrus tip killing agent with the application of diaphorina citri insecticide combination and exist
It kills citrus tender tip and/or reduces wood louse worm sources and/or reduce the application in Citrus Huanglongbing pathogen.
Citrus tip killing agent of the present invention sprays citrus tip killing agent by 2-3 times to kill tender tip, but does not damage maturation
Blade does not influence the normal growth of citrus, to destroy the ground that diaphorina citri is depended on for existence.Diaphorina citri can be cooperated in agricultural operation
Insecticide use.
The beneficial effects of the present invention are:
1) for citrus tip killing agent of the present invention compared with existing tip killing agent, ingredient is simple, and pesticides application is few, therefore right
Man and nature are friendly；
2) effect that the citrus tip killing agent described in kills tender tip is good, and does not damage mature leaf, does not influence the normal of citrus
Growth, cutting diaphorina citri oviposition link, reduces diaphorina citri worm sources, substantially reduces the generation of yellow twig；Alternatively, it is also possible to keep away
Exempt from largely to fall off with fruit caused by the fruit of growth and development stage contention nutrient.
3) application method of the citrus tip killing agent is simple and easy, and mark sprays standard and defines, and is conducive in agricultural production
Extensive utilization.
Detailed description of the invention
Fig. 1 is that 3 mandarin tree tender tip of embodiment sprays the effect picture after the citrus tip killing agent.
Fig. 2 is that 4 mandarin tree tender tip of embodiment sprays the effect picture after the citrus tip killing agent
Fig. 3 is that 5 mandarin tree tender tip of embodiment sprays the effect picture after the citrus tip killing agent joint diaphorina citri insecticide.
Specific embodiment
Illustrated embodiment is in order to which preferably the present invention will be described, but is not that the contents of the present invention are limited only to institute
For embodiment.So those skilled in the art according to foregoing invention content to embodiment carry out it is nonessential improvement and
Adjustment, still falls within protection scope of the present invention.
A kind of preparation of the citrus tip killing agent of embodiment 1
It is diluted with water after the dioctyl sodium sulfosuccinate of the modified trisiloxanes of the ethyoxyl of 50g and 50g is sufficiently mixed
It 1000 times, then adds 2g Oxyfluorfen and 1g paclobutrazol stirs and evenly mixs up to the citrus tip killing agent.
A kind of preparation of the citrus tip killing agent of embodiment 2
It is diluted with water after the dioctyl sodium sulfosuccinate of the modified trisiloxanes of the ethyoxyl of 80g and 80g is sufficiently mixed
It 1000 times, then adds 3g Oxyfluorfen and 2g paclobutrazol stirs and evenly mixs up to the citrus tip killing agent.
The application of 3 citrus tip killing agent of embodiment
On May 2nd, 2018, fine day, spraying time 12:00-15:00, the research of place Chinese Academy of Agricultural Sciences citrus
Citrus tip killing agent described in embodiment 1 is started to spray by tested field against citrus tender tip and tender leaf, is squirted uniformly and without extra
Tip killing agent is dripped, and is sprayed again every 15 days second.Complete the effect after observation sprays after 3 days after spraying, top tip as shown in Figure 1
Blade all falls off, dies ack, and biggish tender leaf also gradually falls off, and wood louse is reduced and mature leaf is uninfluenced, observation
The result shows that rushing tip rate is 8%, abloom rate 93% does not influence citrus normal growth, improves recovery rate 16.0~24.0%.
The application of 4 citrus tip killing agent of embodiment
On July 13rd, 2018, fine day, spraying time 12:00-15:00, place: Chinese Academy of Agricultural Sciences's citrus was ground
Study carefully tested field, citrus tip killing agent as described in example 2 is started to spray against citrus tender tip and tender leaf, squirts uniformly and without more
Remaining tip killing agent is dripped, and was sprayed second again every 15 days, was sprayed third time again every 15 days.Effect after observation sprays later, such as Fig. 2 institute
Show, it has been observed that dying ack, biggish tender leaf has also fallen off, and mature leaf is uninfluenced, observation indicate that, rushing tip rate is
9%, abloom rate 91% does not influence citrus normal growth, improves recovery rate 15.0~18.0%.
The use in conjunction of embodiment 5 citrus tip killing agent and diaphorina citri insecticide
On June 7th, 2018, fine day, spraying time 12:00-15:00, place: Yuxi citrus research institute, Yunnan Province
Experimental field, citrus tip killing agent described in embodiment 1 is started to spray against citrus tender tip and tender leaf, squirt uniformly and is killed without extra
Tip agent is dripped, and then sprays diaphorina citri insecticide betacyfluthrin, was sprayed second of citrus again every 15 days and is killed
Tip agent.Effect after observation sprays later, as shown in figure 3, biggish tender leaf has also fallen off, 3mm it has been observed that dying ack
Wood louse in long tender tip almost disappears, and the wood louse in the tender tip of 5-10mm long largely reduces and mature leaf is uninfluenced, sees
Examine the result shows that, rushing tip rate is 6%, and abloom rate 94% does not influence citrus normal growth, improve recovery rate 20.0~
27.0%.
6 safety testing of embodiment
The tender tip that embodiment 3 sprays after application is taken back, is handled with the dyeing that trypan blue carries out dead cell to tender tip,
Tender tip cutting part shows that the citrus tip killing agent is unable to the Apoptosis at inducing slits position with electron microscope observation, therefore
Illustrate that the citrus tip killing agent does not influence the normal growth of citrus, nonhazardous effect.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of citrus tip killing agent, which is characterized in that the citrus tip killing agent is pungent by the modified trisiloxanes of ethyoxyl, succinic acid two
Ester sodium sulfonate, Oxyfluorfen, paclobutrazol and water composition.
2. citrus tip killing agent according to claim 1, which is characterized in that the ethyoxyl modified trisiloxanes, succinic acid
The solution quality percentage of dioctyl ester sodium sulfonate, Oxyfluorfen and paclobutrazol is 50~80:50~80:2~3:1~2.
3. citrus tip killing agent according to claim 2, which is characterized in that the ethyoxyl modified trisiloxanes, succinic acid
The solution quality percentage of dioctyl ester sodium sulfonate, Oxyfluorfen and paclobutrazol is 60~70:60~70:2.5:1.5.
4. the preparation method of the described in any item citrus tip killing agents of claim 1-3, which comprises the following steps:
1) the modified trisiloxanes of ethyoxyl and dioctyl sodium sulfosuccinate are proportionally sufficiently mixed, and dilute 1000 times at
Solution 1；
2) by being added to Oxyfluorfen and paclobutrazol in the solution 1 of step 1), the tip is killed up to the citrus after mixing evenly
Agent.
5. the application method of the described in any item citrus tip killing agents of claim 1-3, which is characterized in that with the citrus tip killing agent
Tender shoots is sprayed, and was sprayed again every 15 days second.
6. application method according to claim 5, which is characterized in that the length of the tender shoots is at 2-4 centimetres.
7. application method according to claim 5, which is characterized in that described spray sprays for fine day, spraying time 12:
00-15:00。
8. application method according to claim 7, which is characterized in that uniformly squirt the tender shoots and without extra tip killing agent
It drips.
9. the described in any item citrus tip killing agents of claim 1-3 are being killed citrus tender tip and/or reduction wood louse worm sources and/or are being subtracted
Application in few Citrus Huanglongbing pathogen.
10. application according to claim 9, which is characterized in that the citrus tip killing agent and diaphorina citri insecticide combination
Using.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910071176.9A CN109699645A (en) | 2019-01-25 | 2019-01-25 | A kind of citrus tip killing agent and its preparation, application method and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910071176.9A CN109699645A (en) | 2019-01-25 | 2019-01-25 | A kind of citrus tip killing agent and its preparation, application method and application |
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| CN109699645A true CN109699645A (en) | 2019-05-03 |
Family
ID=66263024
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111149802A (en) * | 2020-01-21 | 2020-05-15 | 中国农业科学院植物保护研究所 | Citrus tree tip control composition and application thereof |
| CN115336583A (en) * | 2022-09-02 | 2022-11-15 | 宁波市农业科学研究院 | Application of ammonium acetate as fruit tree shoot killing agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138555A (en) * | 2010-01-28 | 2011-08-03 | 广州农泰生物科技有限公司 | New use and composition of diphenylether pesticide compositions for controlling and killing shoots of citrus crops |
| CN105766525A (en) * | 2016-04-01 | 2016-07-20 | 河源市东兴旺农业发展有限公司 | Method for controlling citrus yellow shoot |
-
2019
- 2019-01-25 CN CN201910071176.9A patent/CN109699645A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138555A (en) * | 2010-01-28 | 2011-08-03 | 广州农泰生物科技有限公司 | New use and composition of diphenylether pesticide compositions for controlling and killing shoots of citrus crops |
| CN105766525A (en) * | 2016-04-01 | 2016-07-20 | 河源市东兴旺农业发展有限公司 | Method for controlling citrus yellow shoot |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111149802A (en) * | 2020-01-21 | 2020-05-15 | 中国农业科学院植物保护研究所 | Citrus tree tip control composition and application thereof |
| CN111149802B (en) * | 2020-01-21 | 2021-04-09 | 中国农业科学院植物保护研究所 | Citrus tree tip control composition and application thereof |
| CN115336583A (en) * | 2022-09-02 | 2022-11-15 | 宁波市农业科学研究院 | Application of ammonium acetate as fruit tree shoot killing agent |
| CN115336583B (en) * | 2022-09-02 | 2023-09-29 | 宁波市农业科学研究院 | Application of ammonium acetate as fruit tree tip killing agent |
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Application publication date: 20190503 |