CN106719751A - A kind of apple anthrax leaf blight special sterilizing composition and its application - Google Patents
A kind of apple anthrax leaf blight special sterilizing composition and its application Download PDFInfo
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- CN106719751A CN106719751A CN201611044486.4A CN201611044486A CN106719751A CN 106719751 A CN106719751 A CN 106719751A CN 201611044486 A CN201611044486 A CN 201611044486A CN 106719751 A CN106719751 A CN 106719751A
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- Prior art keywords
- pyraclostrobin
- ziram
- leaf blight
- apple anthrax
- apple
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/26—Oxidation products of dithiocarbamic acid derivatives, e.g. thiuram sulfides
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
Abstract
The present invention relates to a kind of apple anthrax leaf blight special sterilizing composition and its application, the bactericidal composition with ziram and pyraclostrobin as principle active component, wherein, the weight ratio of pyraclostrobin and ziram is (1~6)：(1~6).The present invention is by different types of bactericide; protective fungicide and systemic fungicide; especially pyraclostrobin and ziram are compounded by a certain percentage; and certain formulation is configured to, prevention effect can be significantly improved to anthrax leaf blight, especially to apple anthrax leaf blight (Glomerella leaf spot; GLS) prevention effect is optimal; it is high to crop safety with obvious synergistic effect, have wide practical use in production.
Description
Technical field
The present invention relates to a kind of apple anthrax leaf blight special sterilizing composition and its application, belong to technical field of pesticide.
Background technology
Pyraclostrobin, also known as pyraclostrobin, English common name：Pyraclostrobin, chemical name：N-[2-[[1-
(4- chlorphenyls) pyrazole-3-yl] oxygen methyl] phenyl]-N- methoxy carbamate methyl esters.Pyraclostrobin belongs to methoxy propyl
Alkene bactericide of phosphate (phosphinium) ester, mainly acts on the cytochrome b el compounds in the mitochondrial respiratory chain of fungi, prevents electron transmission
So as to suppress fungi growth.Pyraclostrobin can prevent and kill off all types of fungal pathogens, and wide sterilization spectrum is mainly used in preventing and treating Portugal
Grape powdery mildew, downy mildew；Wheat powdery mildew, rust；Leaf rust of barley；The black leaf cecospora spot of banana；The diseases such as tomato morning, late blight
Evil.Pyraclostrobin is effective to multiple diseases of the various crop including wheat class, grape, fruit tree, vegetables.
Ziram (ziram), double-(dimethyl-thiocarbamic acid) zinc, it is organic sulfur to belong to a kind of broad spectrum protection good fortune U.S.A
Bactericide, main mechanism is that arsenic atom is had an effect with the enzyme containing-SH bases in germ body in preparation, the normal metabolism of destruction
Various fungus-caused diseases are had inhibitory action by effect, and the especially anthracnose to various crop has special efficacy, can be used to prevent and treat apple
Really, the disease effect is significant such as anthracnose, shot hole of the diversified economy crop such as citrus, peach, persimmon, apricot, grape, vegetables.
The development difficulty of bactericide new varieties than larger, and at present due to the abuse of bactericide cause it is existing it is many it is sterilized into
Point generate the resistance to the action of a drug gradually, and single sterilization component due to mechanism of action it is single, usually will not disposably eradicate protection
All diseases of crop, thus increase the labour cost of peasant.Our field control effectiveness test shows, between bactericide
Compounding can not only mitigate the resistance to the action of a drug, can also improve drug effect.Meanwhile, bactericide compounded development cost is well below new varieties
Development cost, the economic pressures for developing new sterilization component can be alleviated, while preferable bactericidal effect can be received again.
Apple anthrax leaf blight (Glomerella leaf spot, GLS) is by a kind of microbial disease of anthrax, mainly
Infect Apple Leaves and fruit.Infection process blade primarily forms the scab of black, edge blurry, is taken off quickly after blade morbidity
Fall, fruit forms the dark brown scab of a large amount of 1~2mm of diameter on fruit face after being infected, have a strong impact on the yield and product of fruit
Matter.Apple anthrax leaf blight finds that germ can produce the shell of ascus and ascospore, root on sick leaf most earlier than 1988 in Brazil
Named according to sexual spore is G.cingulata.1998, the U.S. was in Tennessee State (Tennes-see), the Georgia State
And the North Carolina state (NorthCarolina) is it has also been found that this kind of disease (Georgia).China in 2011 in Jiangsu Feng County and
Anhui Dangshan finds anthrax leaf blight.Anthrax leaf spoting bacteria mainly infect loud, high-pitched sound, the kind such as Jin Guan, Qin Guan, Qiao Najin, cause apple
The a large amount of fallen leaves of fruit, Fuji, red magnitude kind anti-anthrax leaf blight high.Apple anthrax leaf blight is a kind of serious, popular harm
Extremely strong disease, occurs mainly in 7, August part high temperature and rainy season, is largely come off in blade morbidity one week after, and defoliation yield is general
More than 90%, heavy economic losses is caused to apple production.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides the bactericidal composition with synergistic effect and safety and environmental protection, realizes
Improve drug effect, reduce pollution, the purpose of reduces cost, specially a kind of apple anthrax leaf blight special sterilizing composition.
A kind of apple anthrax leaf blight special sterilizing composition, the bactericidal composition is based on ziram and pyraclostrobin
Active ingredient is wanted, wherein, pyraclostrobin is (1~6) with the weight ratio of ziram：(1~6).
Currently preferred, pyraclostrobin is (1~4) with the weight ratio of ziram：(1~4).
Currently preferred, pyraclostrobin is (1~2) with the weight ratio of ziram：(1~4).
Currently preferred, pyraclostrobin is (1~2) with the weight ratio of ziram：(1~2).
The present invention is highly preferred, and pyraclostrobin is 2 with the weight ratio of ziram：1.
The application of above-mentioned apple anthrax leaf blight special sterilizing composition, is applied after bactericidal composition is diluted with water
With the concentration of pyraclostrobin is (31.25~125) mg/L after dilution, and the concentration of ziram is (31.25~500) mg/L.
Currently preferred, the concentration of pyraclostrobin is 125mg/L after dilution, the concentration of ziram for (31.25~
62.5)mg/L。
Currently preferred, the concentration of pyraclostrobin is 125mg/L after dilution, and the concentration of ziram is 62.5mg/L.
The application of above-mentioned apple anthrax leaf blight special sterilizing composition, for preventing and treating apple anthrax leaf blight
(Glomerella leaf spot, GLS).
Currently preferred, concrete application method is as follows：
After bactericidal composition is diluted with water to fall ill apple tree branch, blade face spray, spray with branch, blade face
On there is liquid to drip to be advisable.
Currently preferred, pyraclostrobin is active compound or 25% pyraclostrobin missible oil, and ziram is active compound or 72%
Thiram wettable powder.
The present inventor has been surprisingly found that, by different types of bactericide, protective fungicide and systemic fungicide,
Especially pyraclostrobin and ziram are compounded by a certain percentage, and are configured to certain formulation, can be significantly to anthrax leaf blight
Improve prevention effect and extend the preventing and treating time, it is especially anti-to apple anthrax leaf blight (Glomerella leaf spot, GLS)
Control effect optimal, it is high to crop safety with obvious synergistic effect, have wide practical use in production.
Advantages of the present invention is as follows：
1st, instant component compounding is reasonable, and bactericidal effect is good, especially to apple anthrax leaf blight (Glomerella
Leaf spot, GLS) prevention effect is optimal, and its activity and bactericidal effect are not the simple superposition of each component activity, and single
Preparation is compared, and in addition to significant bactericidal effect, and has significant synergistic effect, extends the lasting period of drug effect, to crop
Security is good.
2nd, composition of the invention has significant synergistic effect.Additionally, the advantage of the bactericidal composition is also manifested by group
Division is managed, and has treatment and protective effect concurrently, and bactericidal effect is good, and drug cost is low, good to crop safety.
Specific embodiment
Below by specific embodiment, the present invention will be further described, but not limited to this.
Raw material in embodiment is commercial products, wherein 25% pyraclostrobin missible oil, BASF China
It is on sale；72% thiram wettable powder, Shanxi Hengtian Chemical Industry Co., Ltd. is on sale.
Embodiment 1
A kind of apple anthrax leaf blight special sterilizing composition, the bactericidal composition is based on ziram and pyraclostrobin
Want active ingredient.
Using when, used after bactericidal composition is diluted with water, after dilution the concentration of pyraclostrobin be 125mg/
L, the concentration of ziram is 31.25mg/L.
Embodiment 2
With the apple anthrax leaf blight special sterilizing composition described in embodiment 1, difference is：
The concentration of pyraclostrobin is 125mg/L after dilution, and the concentration of ziram is 62.5mg/L.
Embodiment 3
With the apple anthrax leaf blight special sterilizing composition described in embodiment 1, difference is：
The concentration of pyraclostrobin is 125mg/L after dilution, and the concentration of ziram is 125mg/L.
Embodiment 4
With the apple anthrax leaf blight special sterilizing composition described in embodiment 1, difference is：
The concentration of pyraclostrobin is 125mg/L after dilution, and the concentration of ziram is 250mg/L.
Embodiment 5
With the apple anthrax leaf blight special sterilizing composition described in embodiment 1, difference is：
The concentration of pyraclostrobin is 125mg/L after dilution, and the concentration of ziram is 500mg/L.
Experimental example：
First, Toxicity Determination
The apple anthrax leaf blight (Glomerella leaf spot, GLS) of apple is endangered in agricultural production in order to prevent and treat
Disease, inventor is studied with the synergy that pyraclostrobin and ziram have carried out mutual compounding, and specific method is：
1. reagent agent
(1) the 250mg/L pyraclostrobins aqueous solution；
(2) the 250mg/L ziram aqueous solution；
(3) 200mg/L pyraclostrobins: 50mg/L ziram (4: 1) mixed liquor；
(4) 167mg/L pyraclostrobins: 83mg/L ziram (2: 1) mixed liquor；
(5) 125mg/L pyraclostrobins: 125mg/L ziram (1: 1) mixed liquor；
(6) 83mg/L pyraclostrobins: 167mg/L ziram (1: 2) mixed liquor；
(7) 50mg/L pyraclostrobins: 200mg/L ziram (1: 4) mixed liquor；
(8) clear water control.
2. for examination strain：Apple anthrax leaf spoting bacteria (Glomerella cingulata), picks up from Taian Shandong suburban area
Orchard.
3. assay method and step：
With growth rate method, carry out according to the following steps：
(1) potato-sucrose (PSA) culture medium is prepared, 49ml is dispensed per triangular flask, sterilized standby.
(2) it is interpreted into model needed for measure for parallel times with auxiliary agent control pipette with the sterilizing medicament that goes will first to be participated in the experiment from system water
Interior series concentration is enclosed, i.e.,：250、125、62.5、31.25……mg/L.
(3) draw and be made into the above medicament 1ml of series concentration, be separately added into the PSA culture mediums of 49ml thawings and shake up, i.e.,
Obtain and dilute again 50 times of pastille culture mediums for forming series concentration.Pastille culture medium per concentration 50ml pour into 4 it is a diameter of
The sterile petri dish of 7.5cm forms pastille flat board.
(4) after after culture medium solidifying in culture dish, the mycelia block that one piece of a diameter of 0.8cm is growing is inoculated with per ware.26
Cultivated 48,72 hours under ± 1 DEG C of constant temperature, measure colony diameter.Measured 2 times per bacterium colony right-angled intersection, calculate 4 ware bacterium colonies
Average diameter.
4th, statistical method
(1) compareed by correction of isoconcentration auxiliary agent colony diameter, calculate the bacteriostasis rate of concentration.
(2) it is independent variable to test the logarithm value of drug concentration (mg/L), the probit value for correcting bacteriostasis rate is dependent variable, is built
Vertical virulence regression equation, obtains the EC of each medicament50.Co-toxicity coefficient is calculated by the method for the abundant introductions of Sun Yun.With EC50Co-toxicity coefficient
Size as mixture recipe determination Main Basiss.
CTC is significantly less than 100, has antagonism between each single dose for showing composition mixture；
CTC has summation action between 100 or so between constituting each single dose；
CTC is less than 150 more than 120, has certain synergistic effect between each single dose for constituting mixture；
CTC is more than 150, has notable synergistic to act between each single dose for showing composition mixture.
4. interpretation of result
Toxicity test result see the table below shown in 1, table 2.
Table 1：Pyraclostrobin ziram is to apple anthrax leaf spoting bacteria joint toxicity measuring (48 hours) result
Table 2：Pyraclostrobin ziram is to apple anthrax leaf spoting bacteria joint toxicity measuring (72 hours) result
Result of the test shows：Pyraclostrobin is 2 with the mass ratio of ziram:When 1, its co-toxicity coefficient up to 740.90, with
Unitary agent is compared, and has significant synergistic effect.
2nd, apple anthrax leaf spoting bacteria field test is prevented and treated
1 materials and methods
1.1 experimental field overviews
Experiment is carried out in Tai'an Feicheng Zhang An villages Shandong Fruit-tree Inst. proving ground orchard.Examination tree kind is loud, high-pitched sound
Kind, the age of tree is 18 years, spacing in the rows × line-spacing=3m × 5m, and rich water quality management level is general, and pest and disease damage occurs heavier over the years.
1.2 reagent agents
The 125mg/L pyraclostrobin aqueous solution；The 500mg/L ziram aqueous solution；125mg/L pyraclostrobins+500mg/L
Ziram；125mg/L pyraclostrobin+250mg/L ziram；125mg/L pyraclostrobin+125mg/L ziram；125mg/
L pyraclostrobin+62.5mg/L ziram；125mg/L pyraclostrobin+31.25mg/L ziram；Clear water.
1.3 controlling objects
Apple anthrax leaf blight (Glomerella leaf spot, GLS).
1.4 experimental designs
Experiment sets 8 treatment:(1) 25% pyraclostrobin missible oil 125mg/L；(2) 72% thiram wettable powders
500mg/L；(3) 25% pyraclostrobin missible oil 125mg/L+72% thiram wettable powders 500mg/L；(4) 25% pyrazoles
Kresoxim-methyl missible oil 125mg/L+72% thiram wettable powders 250mg/L；(5) 25% pyraclostrobin missible oil 125mg/L+
72% thiram wettable powder 125mg/L；(6) 25% pyraclostrobin missible oil 125mg/L+72% thiram wettable powders
62.5mg/L；(7) 25% pyraclostrobin missible oil 125mg/L+72% thiram wettable powders 31.25mg/L；(8) clear water pair
According to.
1.5 test methods
Controlling experiment is sprayed on the 11st respectively at July, and experiment is not used before the test of pesticide effectiveness is carried out with tree in 5 months
Cross any bactericide.During experiment, liquid is equably sprayed onto on whole tree with knapsack sprayer, had until on all branches
Untill liquid is flowed down.2 plants of trees are a cell, random district's groups arrangement, are repeated 4 times.To spray clear water as control.
1.6 efficacy surveys and statistical analysis
Morbidity radix is investigated during July first time dispenser on the 11st.July 12 (the 1st day after spray), July 14 are (after spray
The 3rd day), July 17 (the 6th day after spray), July 23 (the 12nd day after spray) and 29 days the (the after spray the 18th July
My god), respectively investigate 1 incidence.Investigated per 2 plants of test trees of cell.Often set random from East, West, South, North, middle different azimuth
Totally 15 branches are extracted, the every onset grade of functional leaf is recorded, pharmacy control efficacy is calculated, Duncan ' is carried out using DPS softwares
S newly answers range test its significance of difference (P ＜ 0.05).
Sick leaf grade scale:0 grade:Disease-free spot；1 grade:Lesion area accounts for less than the 10% of whole leaf area；3 grades:Scab face
Product accounts for the 11%~25% of whole leaf area；5 grades:Lesion area accounts for the 26%~40% of whole leaf area；7 grades:Lesion area
Account for the 41%~65% of whole leaf area；9 grades:Lesion area accounts for more than the 66% of whole leaf area.
a.
b.
2 results and analysis
The field control effectiveness test result of apple anthrax leaf blight is shown in Table 3.
It can be seen from Table 3 that, the 1st day after dispenser, in addition to ziram, 25% pyraclostrobin missible oil and 4 groups of medicament groups
Close 1d after administration and be respectively provided with preferable prevention effect, blade not by the effect of the withered Colletotrichum gloeosporioides Infection of leaf be attained by 90% with
On, wherein 25% pyraclostrobin missible oil 125mg/L+72% thiram wettable powder 62.5mg/L this pharmaceutical agent combinations is anti-
It is 98.42% (P ＜ 0.05) to imitate, and is significantly higher than other pharmacy control efficacies；The 3rd day after dispenser, in addition to ziram, 25% pyrazoles ether bacterium
The prevention effect of emulsifiable concentrate and 4 groups of pharmaceutical agent combinations is held at more than 80%, wherein 25% pyraclostrobin missible oil 125mg/L+
This pharmaceutical agent combinations prevention effect of 72% thiram wettable powder 62.5mg/L is best, is 93.69 (P ＜ 0.05)；After dispenser
6th and the 12nd day, except the preventing and treating of 25% pyraclostrobin missible oil 125mg/L+72% thiram wettable powders 62.5mg/L is imitated
Fruit effect all maintains more than 90%, and other bactericide and antimicrobial combination preventive effect are below 86%；The 18th day after dispenser,
The prevention effect effect of 25% pyraclostrobin missible oil 125mg/L+72% thiram wettable powders 62.5mg/L is still maintained at
88.50% (P ＜ 0.05), hence it is evident that higher than the 39.68% of pyraclostrobin and the 36.94% of ziram and other bactericide
Combination preventive effect.
Field efficacy of the pyraclostrobin of table 3, ziram and its different proportion combination to apple anthrax leaf blight
Claims (10)
1. a kind of apple anthrax leaf blight special sterilizing composition, the bactericidal composition with ziram and pyraclostrobin be main
Active ingredient, wherein, pyraclostrobin is (1~6) with the weight ratio of ziram：(1~6).
2. apple anthrax leaf blight special sterilizing composition according to claim 1, it is characterised in that pyraclostrobin with
The weight ratio of ziram is (1~4)：(1~4).
3. apple anthrax leaf blight special sterilizing composition according to claim 1, it is characterised in that pyraclostrobin with
The weight ratio of ziram is (1~2)：(1~4).
4. apple anthrax leaf blight special sterilizing composition according to claim 1, it is characterised in that pyraclostrobin with
The weight ratio of ziram is (1~2)：(1~2).
5. apple anthrax leaf blight special sterilizing composition according to claim 1, it is characterised in that pyraclostrobin with
The weight ratio of ziram is 2：1.
6. the application of the apple anthrax leaf blight special sterilizing composition described in claim 1, bactericidal composition is diluted with water
After be administered, the concentration of pyraclostrobin is (31.25~125) mg/L after dilution, the concentration of ziram for (31.25~
500)mg/L。
7. the application of apple anthrax leaf blight special sterilizing composition according to claim 6, it is characterised in that after dilution
The concentration of pyraclostrobin is 125mg/L, and the concentration of ziram is (31.25~62.5) mg/L.
8. the application of apple anthrax leaf blight special sterilizing composition according to claim 6, it is characterised in that after dilution
The concentration of pyraclostrobin is 125mg/L, and the concentration of ziram is 62.5mg/L.
9. the application of apple anthrax leaf blight special sterilizing composition according to claim 6, it is characterised in that for preventing
Control apple anthrax leaf blight (Glomerella leaf spot, GLS).
10. the application of apple anthrax leaf blight special sterilizing composition according to claim 6, it is characterised in that specific
Application process is as follows：
The apple tree branch fallen ill, blade face are sprayed after bactericidal composition is diluted with water, sprinkling on branch, blade face having
Liquid drips and is advisable.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260410A (en) * | 2010-12-08 | 2013-08-21 | 巴斯夫欧洲公司 | Pesticidal mixtures |
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2016
- 2016-11-24 CN CN201611044486.4A patent/CN106719751A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260410A (en) * | 2010-12-08 | 2013-08-21 | 巴斯夫欧洲公司 | Pesticidal mixtures |
Non-Patent Citations (1)
| Title |
|---|
| 王冰等: "不同杀菌剂对苹果炭疽叶枯病的防治效果", 《植物保护》 * |
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