CN109090141A - A kind of bactericidal composition comprising pyrimethanil and its application - Google Patents
A kind of bactericidal composition comprising pyrimethanil and its application Download PDFInfo
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- CN109090141A CN109090141A CN201710475101.8A CN201710475101A CN109090141A CN 109090141 A CN109090141 A CN 109090141A CN 201710475101 A CN201710475101 A CN 201710475101A CN 109090141 A CN109090141 A CN 109090141A
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- Prior art keywords
- component
- pyrimethanil
- bactericidal composition
- copper
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
Abstract
The invention belongs to field of pesticide preparation, and more particularly, to a kind of bactericidal composition comprising pyrimethanil and its application, the bactericidal composition comprising pyrimethanil includes component A and component B, the component A are pyrimethanil, and the component B is inorganic copper fungicide；The weight ratio of the component A and component B is 45:5 ~ 10:80.Bactericidal composition provided by the present invention comprising pyrimethanil is applied to the control of plant disease of vegetable and fruit, for preventing and treating gray mold, downy mildew, epidemic disease and bacterial disease.
Description
Technical field
The invention belongs to field of pesticide preparation, more particularly, to a kind of bactericidal composition comprising pyrimethanil and its application.
Background technique
Pyrimethanil is a kind of new type bactericide, belongs to anilino-pyrimidine, and the mechanism of action is unique, by inhibiting germ leaching
The generation of dye enzyme is to prevent infecting and killing germ for germ.Its mechanism of action is different from other fungicide, therefore, pyrimethanil
It is especially effective to the germ that commonly non-anilino-pyrimidine fungicide has developed drug resistance, no interactions resistance.Pyrimethanil is same
When have Uptake and translocation and fumigation action, the position that flower, young fruit of plant etc. are unable to reach by spraying is rapidly reached after application and is killed
Dead germ, drug effect are faster, more stable.Pyrimethanil has crop diseases therapeutic effect, the quick-acting such as relatively good gray mold fine.
But pyrimethanil is more sensitive to certain crops, and effective ingredient consumption is more than 90g/ hectares, will cause serious phytotoxicity.If pyrimethanil
Easily there is phytotoxicity on crop in improper use, will appear many dark brown spots, in irregular shape or blade on blade
Jaundice falls off.When there is phytotoxicity spot, many vegetable growers also with for crop occur " spot defoliation ", as a result again medication and add
Phytotoxicity has a large amount of phytotoxicity accident to report every year again, is using 20% pyrimethanil SC in Shandong Shouguang vegetable-growing area, peasant within such as 2016
When single dose, more than 1000 mu of harvest time tomato fallen leaves shedding phenomenon is caused, peasant household suffers heavy losses.Peasant household to pyrimethanil not only pain but also
Love, preventive effect is ideal, but phytotoxicity is very risky.
Copper agent can prevent and treat fungoid, bacillary and Disease, a small number of kinds can also weeding, kill the children of pest
Worm or mollusk.Due to copper fungicide have the characteristics that toxicity it is low, it is nuisanceless, conducive to environmental protection, become production green
The excellent fungicide of first choice of food, Organic Fruit and pollution-free food.The inorganic copper agent developed at present mainly has alkali formula sulfuric acid
4 kinds of copper, copper oxychloride, cuprous oxide, Kocide SD etc., it is widely used in the disease control of various vegetables.Copper agent single dose is to thin
Fungal disease effect is ideal, but there was only preventive effect to gray mold, downy mildew, epidemic disease etc., and does not treat to crop has been infected
Effect.
Practical experience shows that the different compound of two mechanism of action is mixed, can effectively reduce a certain or two kinds of medicines
The dosage of agent, to achieve the effect that reduce certain Ingredient Amount.Meanwhile it repeating and a kind of single use reactive compound is prevented
It controls disinfect pathogen in many cases and will lead to the fast selective of germ, it is logical at present in order to reduce the harm of resistance selectable
The mixture of different activities compound is often used to prevent and treat disinfect pathogen, by that there will be the reactive compound of different role mechanism
It is combined object, can be generated with delaying drug resistance, usage amount is reduced, reduces the cost of prevention and treatment, reduce the harm of generation.
Summary of the invention
The first purpose of this invention is, is applied alone for solution pyrimethanil and be easy to cause phytotoxicity safety issue, provides
A kind of bactericidal composition comprising pyrimethanil.
For this purpose, above-mentioned purpose of the invention is achieved through the following technical solutions:
A kind of bactericidal composition comprising pyrimethanil, the bactericidal composition comprising pyrimethanil include component A and component
B, the component A are pyrimethanil, and the component B is inorganic copper fungicide；The weight ratio of the component A and component B be 45:5~
10:80。
In order to obtain further technical effect, the present invention can also be using technical solution further below:
The component B is any one in copper oxychloride, Kocide SD, basic copper sulfate and cuprous oxide.
When the component B is copper oxychloride, the weight ratio of component A and component B are as follows: 45:10~10:80.
When the component B is Kocide SD, the weight ratio of component A and component B are as follows: 45:5~10:60.
When the component B is basic copper sulfate, the weight ratio of component A and component B are as follows: 45:10~10:70.
When the component B is cuprous oxide, the weight ratio of component A and component B are as follows: 45:15~10:80.
The dosage form of bactericidal composition is wettable powder, water dispersion granule, aqueous dispersion tablets, any one in suspending agent
Kind.
It is another object of the present invention to provide a kind of applications of bactericidal composition comprising pyrimethanil, for phonetic
Mould amine is therapeutic to gray mold good, and preventive effect is poor, and feature at high cost is applied in combination with copper agent, expands fungicidal spectrum, improves
Control efficiency.
For this purpose, above-mentioned purpose of the invention is achieved through the following technical solutions:
A kind of application of the mentioned-above bactericidal composition comprising pyrimethanil, the bactericidal composition are used for vegetable and fruit
Control of plant disease.
In order to obtain further technical effect, the present invention can also be using technical solution further below:
The microbicide compositions comprising pyrimethanil are for preventing and treating gray mold, downy mildew, epidemic disease and bacterial disease.
The amount of application of bactericidal composition comprising pyrimethanil is 600~3000g/ public with the total weight of component A and component B
Hectare.
The present invention provides a kind of bactericidal composition comprising pyrimethanil and its application, has following advantages:
(1) bactericidal composition provided by the present invention comprising pyrimethanil can reduce phytotoxicity wind caused by pyrimethanil
Danger；
(2) bactericidal composition provided by the present invention comprising pyrimethanil can be improved to gray mold, downy mildew, epidemic disease and
The control efficiency of the diseases such as bacterial disease；
(3) bactericidal composition provided by the present invention comprising pyrimethanil can reduce the dosage of drug, to reduce agriculture
People's control cost.
Specific embodiment
Present invention is further described in detail with reference to embodiments.
It combines pyrimethanil with several copper agents, and campaign has been done in the prevention and treatment of graw mold of tomato, test process is as follows:
Ash arrhizus bacteria PSA culture medium, i.e. potato 20~25%, sucrose 2%, agar powder 0.9~1.2% and water, pH
For 6.5-7.5.By peeling potatoes, it is cut into small pieces, is boiled in water-bath half an hour, double gauze filtering adds sucrose, agar powder is molten
Constant volume after solution.Conical flask is dispensed, 121 DEG C, after high pressure sterilization, pours into plane ware, every ware 18ml, solidification is followed by into gray mold
Bacterium, culture strain is spare after being placed in 26~27 DEG C or so incubators.
In greenhouse, tomato seedling is cultivated, until one heart stage of two leaves.Each embodiment is diluted to 1000 times of solution,
It is even to be sprayed on tomato seedling.After application 4 hours, gray mold mycelia block is inoculated on tomato seedling, mycelia block 5mm is being located at blade just
Center.After inoculation, it is placed in culture in the illumination box of humidity 85% or so.After three days, after blank control stable disease, i.e.,
It can carry out the measurement of Spot expansion degree.
Control efficiency (%)=(control Spot expansion summation-processing Spot expansion summation) ÷ compares Spot expansion summation *
100%,
See whether yellow symptom of chemical damage occur simultaneously, phytotoxicity classification of severity indicates:
0 grade: without symptom of chemical damage；
1 grade: a small amount of dark brown spot, blade normal growth occur；
2 grades: dark brown spot is more, and leaf margin yellow occurs；
3 grades: integrated plate blade yellow；
4 grades: yellowing leaf simultaneously stops growing, and withers.
Germicidal solution is configured to after bactericidal composition in each embodiment is diluted with water, the dosage of water is bactericidal composition
300~2000 times of weight；The bactericidal composition is uniformly sprayed onto crop surface；It is primary every sprinkling in 7-15 days.
It is the bactericidal composition of pyrimethanil and copper oxychloride in table 1 to the control efficiency and safety results of graw mold of tomato
Table 1
The test result of Examples 1 to 8 is shown: when pyrimethanil is applied alone, times amount processing, preferably to the processing of gray mold preventive effect,
But there is phytotoxicity spot, phytotoxicity rank is 1 grade.Copper oxychloride is applied alone, and has inhibitory effect to gray mold, but preventive effect is compared with pyrimethanil
It is low.After pyrimethanil is mixed with copper oxychloride, in the case where there is not phytotoxicity spot, drug effect can be increased to 90% or more, prevent
It imitates highest processing group and is combined into pyrimethanil: copper oxychloride=30:35.
It is the bactericidal composition of pyrimethanil and basic copper sulfate in table 2 to the control efficiency and safety knot of graw mold of tomato
Fruit
Table 2
The test result of embodiment 9~16 shows: basic copper sulfate is mixed with pyrimethanil, is superior to the preventive effect of gray mold
The two is applied alone, while the appearance without finding phytotoxicity.The highest combination of preventive effect appears in basic copper sulfate: pyrimethanil=35:
30。
It is the bactericidal composition of pyrimethanil and Kocide SD in table 3 to the control efficiency and safety results of graw mold of tomato
Table 3
The test result of embodiment 17~24 shows: the activity of Kocide SD is higher than copper oxychloride and basic copper sulfate, hydrogen
Copper oxide is mixed with pyrimethanil, is superior to the two to the preventive effect of gray mold and is applied alone, in experiment, also without the appearance of discovery phytotoxicity.
The highest combination of preventive effect appears in Kocide SD: pyrimethanil=15~20:30~35.
It is the bactericidal composition of pyrimethanil and cuprous oxide in table 4 to the control efficiency and safety results of graw mold of tomato
Table 4
The test result of embodiment 25~32 shows: cuprous oxide is mixed with pyrimethanil, is superior to the preventive effect of gray mold
The two, which is used alone, to be used, and in experiment, in addition to the pyrimethanil processing of high dose, does not observe the group of cuprous oxide and pyrimethanil
There is phytotoxicity in conjunction.The highest combination of preventive effect appears in cuprous oxide: pyrimethanil=50:25.
Main disease is gray mold in green cucumber, and bacterial angular leaf spot is secondary disease.In the base of Examples 1 to 32
On plinth, bactericidal composition employed in selection example 3, embodiment 12, embodiment 20 and embodiment 28 has carried out field respectively
Between pharmacodynamic test.Correlation test situation is as follows:
Test site is Tianjin academy of agricultural sciences proving ground, and cucumber variety is that gold helps 35#, starts to be administered in gray mold morbidity,
It is administered using spray-on process, medical fluid dosage is 1125L/hm2, left and right processing is primary every other week, is continuously administered 2~3 times, emphasis spray
Colored and sugar-preserved gourd.Incidence, grade scale are investigated by staging are as follows: 0 grade, disease-free spot；1 grade, remain flower morbidity；3 grades, areola portion
Morbidity；5 grades, scab length accounts for 10% or less fruit；7 grades, scab length accounts for the 11~25% of fruit；9 grades, scab length accounts for fruit
26% or more.Control efficiency is calculated according to disease index.Investigate gray mold simultaneously, observation blade bacterial angular leaf spot incidence.
The results are shown in Table 5 for correlation test:
Table 5
Results of field plot confirms: pyrimethanil is mixed with several copper agents such as copper oxychloride, is guaranteeing stable ideal
Drug effect response situation under, without observe phytotoxicity occur.After increasing copper agent, also have preferably to concurrent bacterial disease
Preventive effect.The two is applied in combination, and can effectively improve preventive effect, reduces application risk, while reducing use cost.
Above-mentioned specific embodiment is used to illustrate the present invention, is merely a preferred embodiment of the present invention, rather than to this
Invention is limited, and within the spirit of the invention and the scope of protection of the claims, to any modification of the invention made, is equal
Replacement, improvement etc., both fall within protection scope of the present invention.
Claims (10)
1. a kind of bactericidal composition comprising pyrimethanil, which is characterized in that the bactericidal composition comprising pyrimethanil includes group
Dividing A and component B, the component A is pyrimethanil, and the component B is inorganic copper fungicide；The weight ratio of the component A and component B
For 45:5 ~ 10:80.
2. the bactericidal composition according to claim 1 comprising pyrimethanil, which is characterized in that the component B is oxychlorination
Any one in copper, Kocide SD, basic copper sulfate and cuprous oxide.
3. the bactericidal composition according to claim 2 comprising pyrimethanil, which is characterized in that the component B is oxychlorination
When copper, the weight ratio of component A and component B are as follows: 45:10 ~ 10:80.
4. the bactericidal composition according to claim 2 comprising pyrimethanil, which is characterized in that the component B is hydroxide
When copper, the weight ratio of component A and component B are as follows: 45:5 ~ 10:60.
5. the bactericidal composition according to claim 2 comprising pyrimethanil, which is characterized in that the component B is alkali formula sulphur
When sour copper, the weight ratio of component A and component B are as follows: 45:10 ~ 10:70.
6. the bactericidal composition according to claim 2 comprising pyrimethanil, which is characterized in that the component B is that oxidation is sub-
When copper, the weight ratio of component A and component B are as follows: 45:15 ~ 10:80.
7. according to claim 1 including the bactericidal composition of pyrimethanil described in any one of -6, which is characterized in that sterilization group
The dosage form of object is closed as any one in wettable powder, water dispersion granule, aqueous dispersion tablets, suspending agent.
8. a kind of application of the bactericidal composition according to claim 1 comprising pyrimethanil, which is characterized in that the sterilization
Composition is used for the control of plant disease of vegetable and fruit.
9. the application of the bactericidal composition according to claim 8 comprising pyrimethanil, which is characterized in that described comprising phonetic mould
The microbicide compositions of amine are for preventing and treating gray mold, downy mildew, epidemic disease and bacterial disease.
10. the application of the bactericidal composition according to claim 8 comprising pyrimethanil, which is characterized in that include pyrimethanil
Bactericidal composition amount of application with the total weight of component A and component B for 600 ~ 3000 g/ hectares.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710475101.8A CN109090141A (en) | 2017-06-21 | 2017-06-21 | A kind of bactericidal composition comprising pyrimethanil and its application |
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| CN201710475101.8A CN109090141A (en) | 2017-06-21 | 2017-06-21 | A kind of bactericidal composition comprising pyrimethanil and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116138271A (en) * | 2022-11-03 | 2023-05-23 | 平顶山市农业科学院 | Bactericidal composition for preventing and controlling gray mold and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106719820A (en) * | 2016-12-26 | 2017-05-31 | 东莞市联洲知识产权运营管理有限公司 | A kind of agricultural bactericidal composition containing triazole bactericidal agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116138271A (en) * | 2022-11-03 | 2023-05-23 | 平顶山市农业科学院 | Bactericidal composition for preventing and controlling gray mold and application thereof |
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