CN103271145A - Low-dosage chemical bactericide used for controlling postharvest diseases of fruits - Google Patents
Low-dosage chemical bactericide used for controlling postharvest diseases of fruits Download PDFInfo
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- CN103271145A CN103271145A CN2013102274340A CN201310227434A CN103271145A CN 103271145 A CN103271145 A CN 103271145A CN 2013102274340 A CN2013102274340 A CN 2013102274340A CN 201310227434 A CN201310227434 A CN 201310227434A CN 103271145 A CN103271145 A CN 103271145A
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Abstract
The invention discloses a low-dosage chemical bactericide used for controlling the postharvest diseases of fruits. The effective components of each liter of the low-dosage chemical bactericide comprise 1-10mg of imazalil, 1-10mg of prochloraz and 1-10mg of iminoctadine tris(albesilate). When the low-dosage chemical bactericide is practically used, the surface sprinkling (just fruit surface wetting) or postharvest immersion for 1-5min of the preharvest orange fruits by or in the low-dosage chemical bactericide can control the penicilliosis of the orange fruits.
Description
Technical field
The present invention relates to postharvest diseases of fruit Prevention Technique field, more particularly a kind of preservation technique of preventing and treating the citrusfruit postharvest disease.
Background technology
The citrusfruit postharvest disease that is caused by various disease funguses accounts for about 50% of citrusfruit total losses.At present, the major measure of controlling the oranges and tangerines postharvest disease both at home and abroad remains and depends on chemical bactericide.Chemical bactericide has that the mechanism of action is clear and definite, tire height and effect stability, and can control the advantages such as pathogen of adopting preceding latent infection, so remain one of main method of controlling postharvest disease up to now.Chinese invention patent (application number 200910028802.2, a kind of citrus preservative) provides the number of chemical bactericide that can control citrus disease, comprises thiophanate methyl, carbendazim.Chinese invention patent (application number 200910028804.1) provides the chemical bactericide that can control citrus disease, comprises 2,4-D sodium salt, thiophanate.Chinese invention patent (application number 201110209305.X) provide the number of chemical bactericide that can control citrus disease, comprises kresoxim-methyl, azoles bacterium amine fat, oxime bacterium ester, Enestroburin etc.
Because long-term widely-used a kind of bactericide can cause serious pathogenic microorganism drug resistance problem traditionally, not only cause the effectiveness of bactericide to reduce, and can strengthen the demand of the use amount that improves bactericide and the demand of development of new bactericide.But the cost of developing a new type bactericide is very high, approximately needs 1.84 ~ 200,000,000 dollars exploitation funds the America and Europe.
But mould azoles (Imazalil) series bactericidal agent, Prochloraz (Prochloraz) series bactericidal agent, biguanides three octyl benzene sulfonates (Iminoctadine tris) series bactericidal agent are the chemical bactericides that can be used for the fruit anti-corrosive fresh-keeping at present; But when using separately, all need to reach the valid density of 200-500mg/kg, could realize the effective inhibition to citrusfruit penicilliosis disease.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of low dosage chemical bactericide for control oranges and tangerines postharvest disease.
In order to solve the problems of the technologies described above, the invention provides a kind of low dosage chemical bactericide for control oranges and tangerines postharvest disease, the active ingredient in every L low dosage chemical bactericide is made up of the component of following content:
Press down 1 ~ 10 milligram of mould azoles (Imazalil),
1 ~ 10 milligram of Prochloraz (Prochloraz),
1 ~ 10 milligram of biguanides three octyl benzene sulfonate (Iminoctadine tris).
Improvement as the low dosage chemical bactericide for control oranges and tangerines postharvest disease of the present invention: every L low dosage chemical bactericide by contain 1 ~ 10 milligram press down mould azoles press down mould azoles fungicide, contain 1 ~ 10 milligram of Prochloraz the Prochloraz series bactericidal agent, contain the biguanides three octyl benzene sulfonate series bactericidal agents of 1 ~ 10 milligram of biguanides three octyl benzene sulfonate and form as the water of surplus.
Further improvement as the low dosage chemical bactericide for control oranges and tangerines postharvest disease of the present invention: the active ingredient of every L low dosage chemical bactericide is grouped into by the one-tenth of following content:
Press down 10 milligrams of mould azoles (Imazalil),
10 milligrams of Prochlorazs (Prochloraz),
10 milligrams of biguanides three octyl benzene sulfonates (Iminoctadine tris).
The present invention relates to a kind of method based on the compound use control of low dosage chemical bactericide oranges and tangerines postharvest disease.During the actual use of the present invention, to contain 1 ~ 10 milligram and press down after the pressing down mould azoles (Imazalil) series bactericidal agent, contain Prochloraz (Prochloraz) series bactericidal agent of 1 ~ 10 milligram of Prochloraz of mould azoles, biguanides three octyl benzene sulfonates (Iminoctadine tris) series bactericidal agent that contains 1 ~ 10 milligram of biguanides three octyl benzene sulfonate mix, water is settled to 1L; Thereby obtain low dosage chemical bactericide of the present invention.
Provided by the present invention based on pressing down the citrusfruit disease control method that mould azoles, Prochloraz and biguanides three octyl benzene sulfonic acid salt chemical bactericide low dosages are used, compare with the method for single use chemical bactericide, can reduce former working concentration more than 20 to 100 times, thereby reduce the potential harm of using chemical bactericide to exist significantly, and owing to comprised the type of various sterilization agent in the combination of employed low dosage bactericide, also will reduce the possibility that pathogen develops immunity to drugs significantly.In addition because the reduction significantly of institute's working concentration also can significantly reduce the cost that uses chemical bactericide.Therefore, use this method, have advantages such as safe, easy and simple to handle, with low cost, that effect is remarkable, have favorable actual application prospect and value.
During the actual use of low dosage chemical bactericide of the present invention, above-mentioned low dosage chemical bactericide is carried out surface sprinkling (fruit surface is wetting get final product) to citrusfruit before adopting or adopts 1 ~ 5 minute method of back immersion, the penicilliosis that can prevent and treat citrusfruit.Remaining packing and the same prior art of storage mode.
In sum, the present invention can effectively control the postharvest disease of oranges and tangerines under the prerequisite that reduces the chemical bactericide use amount significantly, have the important use promotional value.
The specific embodiment
Experiment 1: the chemical bactericide combination is to the influence of the real penicilliosis of control Pon hesperidium aurantium
1, experiment material:
Fruit is oranges and tangerines, and kind is the Pon mandarin orange.Pathogen: Penicillium digitatum.
The bactericide that uses is:
Dimension is bright, presses down mould azoles (Imazalil) series bactericidal agent, and formulation is 50% missible oil, available from Belgian Yang Sen drugmaker, normally uses recommended density to be per 5 milliliters and adds water 7.5-10 kilogram.
Pounce on mould spirit, Prochloraz (Prochloraz) series bactericidal agent, formulation is suspending agent, available from Israel Maxime chemical company, normally uses recommended density to be 250-500mg/kg.
Hundred can get, biguanides three octyl benzene sulfonates (Iminoctadine tris) series bactericidal agent, and formulation is 40% wettable powder, available from Dainippon Ink. ﹠ Chemicals Inc, normally uses recommended density to be 200-400mg/kg.
2, handle:
(1), sterilized 2 minutes among liquor natrii hypochloritis fruit preliminary treatment: choose that outward appearance is neat, the fruit of no disease and pest, clean with running water earlier, and then immerse the 0.1%(mass concentration), take out, rinse well with running water, the remaining clorox of flush away dries standby again.
(2), anti-corrosive fresh-keeping experiment: with the card punch of sterilization the 3mm of fruit waist puncture homogeneous dark * the wide wound of 6mm.Add the following solution of 30 μ l (that is the corresponding chemical bactericide of following processing) respectively in each wound:
(3), following group is set:
1) handles 1, blank: i.e. water treatment.
2) handle 2, Comparative Examples: every liter of chemical bactericide is bright and form as the water of surplus by containing 1 milligram of dimension that presses down mould azoles.
3) handle 3, Comparative Examples: every liter of chemical bactericide is bright and form as the water of surplus by containing 10 milligrams of dimensions that press down mould azoles.
4) handle 4, Comparative Examples: every liter of chemical bactericide is bright and form as the water of surplus by containing 100 milligrams of dimensions that press down mould azoles.
5) handle 5, Comparative Examples: every liter of chemical bactericide is bright and form as the water of surplus by containing 1000 milligrams of dimensions that press down mould azoles.
6) handle 6, Comparative Examples: every liter of chemical bactericide is by containing the mould spirit of pouncing on of 10 milligrams of Prochlorazs and forming as the water of surplus.
7) handle 7, Comparative Examples: every liter of chemical bactericide is by hundred can forming with the water as surplus of containing 10 milligrams of biguanides three octyl benzene sulfonates.
8) handle 8, low dosage chemical bactericide provided by the invention: every L low dosage chemical bactericide is by containing 10 milligrams of dimension aquatic foods that press down mould azoles, contain the mould spirit of pouncing on of 10 milligrams of Prochlorazs, containing hundred of 10 milligrams of biguanides three octyl benzene sulfonates and can form with the water as surplus.
9) handle 9, low dosage chemical bactericide provided by the invention: every L low dosage chemical bactericide is by containing 5 milligrams of dimension aquatic foods that press down mould azoles, contain the mould spirit of pouncing on of 5 milligrams of Prochlorazs, containing hundred of 5 milligrams of biguanides three octyl benzene sulfonates and can form with the water as surplus.
10) handle 10, low dosage bactericide combination provided by the invention: every L low dosage chemical bactericide is by containing 1 milligram of dimension aquatic foods that press down mould azoles, contain the mould spirit of pouncing on of 1 milligram of Prochloraz, containing hundred of 1 milligram of biguanides three octyl benzene sulfonate and can form with the water as surplus.
11) handle 11, Comparative Examples: every L chemical bactericide is by containing 15 milligrams of dimension aquatic foods that press down mould azoles, containing the mould spirit of pouncing on of 15 milligrams of Prochlorazs and form as the water of surplus.
12) handle 12, Comparative Examples: every L chemical bactericide is by containing 15 milligrams of dimension aquatic foods that press down mould azoles, containing hundred of 15 milligrams of biguanides three octyl benzene sulfonates and can form with the water as surplus.
13) handle 13, Comparative Examples: every L chemical bactericide is by containing the mould spirit of pouncing on of 15 milligrams of Prochlorazs, containing hundred of 15 milligrams of biguanides three octyl benzene sulfonates and can form with the water as surplus.
14) handle 14, Comparative Examples: every L chemical bactericide is by containing 13 milligrams of dimension aquatic foods that press down mould azoles, contain the mould spirit of pouncing on of 13 milligrams of Prochlorazs, containing hundred of 13 milligrams of biguanides three octyl benzene sulfonates and can form with the water as surplus.
15) handle 15, Comparative Examples: every L chemical bactericide is by containing 14 milligrams of dimension aquatic foods that press down mould azoles, contain the mould spirit of pouncing on of 8 milligrams of Prochlorazs, containing hundred of 8 milligrams of biguanides three octyl benzene sulfonates and can form with the water as surplus.
16) handle 16, Comparative Examples: every L chemical bactericide is by containing 8 milligrams of dimension aquatic foods that press down mould azoles, contain the mould spirit of pouncing on of 14 milligrams of Prochlorazs, containing hundred of 8 milligrams of biguanides three octyl benzene sulfonates and can form with the water as surplus.
17) handle 17, Comparative Examples: every L chemical bactericide is by containing 8 milligrams of dimension aquatic foods that press down mould azoles, contain the mould spirit of pouncing on of 8 milligrams of Prochlorazs, containing hundred of 14 milligrams of biguanides three octyl benzene sulfonates and can form with the water as surplus.
(that is, add chemical bactericide after 2 hours) after more than finishing dealing with 2 hours, get 5 * 10
4The Penicillium digitatum bacteria suspension 30 μ l of cfu/ml are seeded in each fruit wound.These treated waters really are placed in 400 * 300 * 200mm plastic crate, cover sealing with the PE preservative film, keep 95% relative humidity.And with it in 25 ℃ of following preservations.Regularly fruit wound disease incidence and scab diameter are observed and added up.The result is with average attack rate (%) and average scab diameter (mm) expression.Every processing repeats 3 times, and each repeats 6 fruits.Whole experiment repeats 3 times.
3, result: as shown in table 1, when pressing down mould azoles and using separately, only when concentration 1000 mg/litre, could produce the effective inhibition to the Pon hesperidium aurantium reality penicilliosis disease incidence of disease, at the disease incidence of disease that can reduce after the processing about 70 percentage points.Only can reduce by 13.3% in the time of only reducing by 26.7%, the 4 day to the incidence of disease of this disease the 3rd day the time when Prochloraz of 10 mg/litre concentration uses separately; And the biguanides three octyl benzene sulfonates during 10 mg/litre concentration almost do not have inhibitory action to the incidence of disease of this disease.
And provided by the inventionly can suppress the disease generation that the Pon hesperidium aurantium inoculates behind the pathogen the 3rd day really fully by pressing down low dosage bactericide combination (handling 8) that concentration that mould azoles, Prochloraz, biguanides three octyl benzene sulfonates form is respectively 10 mg/litre, and the incidence of disease in the time of the 4th day and average scab diameter only be respectively 6.7% and 0.8 millimeter, only is 6.7% and 3.1% of blank; Not only compare with the press down mould azoles, Prochloraz, biguanides three octyl benzene sulfonates of 10 mg/litre concentration of independent use, inhibitory effect increases substantially, and is better than the effect that 1000 mg/litre press down mould azoles.And when the valid density of each composition in this combination is reduced to 5 mg/litre even 1 mg/litre, render a service decline to some extent though compare the controls of disease with processing 8, still can keep the control level higher to this disease, still be better than or press down mould azoles to the control effect of disease (handle 9, handle 10) near 1000 mg/litre.(handle 14) when the valid density of each composition in this combination is elevated to 13 mg/litre, it is close with processing 8 to the higher control level of this disease.
And use to press down mould azoles, Prochloraz, biguanides three octyl benzene sulfonates in any both combination (handling 11,12 and 13) of 15 mg/litre concentration, the control of disease is renderd a service and handled 8 and compare all and descend significantly.
And compare with the present invention's (handling 8) by handling 15 ~ processing 17, we learn: when the concentration that presses down mould azoles, Prochloraz, biguanides three octyl benzene sulfonates is 1:1:1, render a service best to the control of disease.
Therefore the effectiveness highly significant of the inhibition disease of low dosage bactericide combination provided by the invention, and can reduce the use amount of bactericide significantly.
The combination of table 1 low dosage bactericide is to the control of the real penicilliosis of Pon hesperidium aurantium
At last, it is also to be noted that what more than enumerate only is several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (3)
1. be used for the low dosage chemical bactericide of control oranges and tangerines postharvest disease, it is characterized in that: the active ingredient in every L low dosage chemical bactericide is made up of the component of following content:
Press down 1 ~ 10 milligram of mould azoles,
1 ~ 10 milligram of Prochloraz,
1 ~ 10 milligram of biguanides three octyl benzene sulfonate.
2. the low dosage chemical bactericide for control oranges and tangerines postharvest disease according to claim 1 is characterized in that: every L low dosage chemical bactericide by contain 1 ~ 10 milligram press down mould azoles press down mould azoles fungicide, contain 1 ~ 10 milligram of Prochloraz the Prochloraz series bactericidal agent, contain the biguanides three octyl benzene sulfonate series bactericidal agents of 1 ~ 10 milligram of biguanides three octyl benzene sulfonate and form as the water of surplus.
3. according to claim 1 and 2 for the low dosage chemical bactericide of controlling the oranges and tangerines postharvest disease, it is characterized in that: the active ingredient in every L low dosage chemical bactericide is grouped into by the one-tenth of following content:
Press down 10 milligrams of mould azoles,
10 milligrams of Prochlorazs,
10 milligrams of biguanides three octyl benzene sulfonates.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103583678A (en) * | 2013-11-01 | 2014-02-19 | 广西杨氏鲜果有限公司 | Storage and fresh-keeping method for navel oranges |
| CN108739995A (en) * | 2018-06-11 | 2018-11-06 | 广西东鸣现代农业发展有限公司 | The method of fertile mandarin orange antistaling storing |
| CN108739998A (en) * | 2018-07-07 | 2018-11-06 | 广西农垦国有立新农场 | A kind of citrus plucks rear fresh-keeping method |
Citations (2)
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| CN101272686A (en) * | 2005-09-29 | 2008-09-24 | 詹森药业有限公司 | Synergistic imazalil combinations |
| CN101861871A (en) * | 2010-03-02 | 2010-10-20 | 陕西美邦农资贸易有限公司 | Sterilization compound containing imazalil and prochloraz |
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2013
- 2013-06-06 CN CN201310227434.0A patent/CN103271145B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101272686A (en) * | 2005-09-29 | 2008-09-24 | 詹森药业有限公司 | Synergistic imazalil combinations |
| CN101861871A (en) * | 2010-03-02 | 2010-10-20 | 陕西美邦农资贸易有限公司 | Sterilization compound containing imazalil and prochloraz |
Non-Patent Citations (2)
| Title |
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| WEINING HAO，ETAL.: "Control of citrus postharvest green and blue mold and sour rot by tea saponin combined with imazalil and prochloraz", 《POSTHARVEST BIOLOGY AND TECHNOLOGY》 * |
| 叶琪明等: "百可得与咪唑类杀菌剂混用浸果对柑桔防腐效果试验", 《浙江农业科学》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103583678A (en) * | 2013-11-01 | 2014-02-19 | 广西杨氏鲜果有限公司 | Storage and fresh-keeping method for navel oranges |
| CN108739995A (en) * | 2018-06-11 | 2018-11-06 | 广西东鸣现代农业发展有限公司 | The method of fertile mandarin orange antistaling storing |
| CN108739995B (en) * | 2018-06-11 | 2021-10-12 | 广西东鸣现代农业发展有限公司 | Method for refreshing and storing Or |
| CN108739998A (en) * | 2018-07-07 | 2018-11-06 | 广西农垦国有立新农场 | A kind of citrus plucks rear fresh-keeping method |
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| CN103271145B (en) | 2014-11-05 |
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