CN102204551A - Carbendazim and bromothalonil compounded fungicide - Google Patents
Carbendazim and bromothalonil compounded fungicide Download PDFInfo
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- CN102204551A CN102204551A CN2011100256669A CN201110025666A CN102204551A CN 102204551 A CN102204551 A CN 102204551A CN 2011100256669 A CN2011100256669 A CN 2011100256669A CN 201110025666 A CN201110025666 A CN 201110025666A CN 102204551 A CN102204551 A CN 102204551A
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Abstract
The invention discloses a carbendazim and bromothalonil compounded fungicide, and relates to a compounded pesticide for controlling anthracnose. The carbendazim and bromothalonil compounded fungicide comprises carbendazim and bromothalonil, wherein a weight ratio of the carbendazim to the bromothalonil is 1:0.5-40, and most preferably 1:1-20, and the optimal weight ratio is 1:3-6. The carbendazim and bromothalonil compounded fungicide can be made into a plurality of formulations such as a wettable powder, a suspending agent, a water dispersible granule and a suspending emulsion. After being diluted with water, the carbendazim and bromothalonil compounded fungicide is sprayed on crops during use. With the present invention, after compounding the two effective ingredients, obvious synergism is provided by using different action mechanisms and complementary advantages of the two effective ingredients; the carbendazim and bromothalonil compounded fungicide has a excellent control efficiency for the anthracnose, a long persistent period and resistance delaying, and can control plant disease producing the resistance to other pesticides. The carbendazim and bromothalonil compounded fungicide further has advantages of safe use and low cost.
Description
Technical field
The present invention relates to a kind of bactericide agricultural chemicals, relate in particular to a kind of complex agent type formula and prevent and treat the agricultural chemicals of anthracnose.
Background technology
Anthracnose (anthracnose) is mainly in the warm moist area, infects multiple draft and woody plant, is often to send out one of multiple emphasis disease on vegetables, fruit tree, the forest in recent years.In agricultural production, anthracnose can cause that fallen leaves, branch are withered, fruit rot and shedding, and fruit is everlasting and is taken place to rot during the storing in spite of illness, is a kind of important postharvest disease.In ornamental plant plantation, mainly the cause harm blade of plant of anthracnose, also cause harm sometimes stem and spray are caused harm when serious, reduce plants ' aesthetics and are worth, even cause plant death.This disease generally is difficult for being found because the feature of latent infection is arranged in early days, therefore, usually can lose the early prevention and treatment chance sometimes, causes certain loss.
Carbendazim is a kind of broad-spectrum germicide, and various crop is had control efficiency by the disease that fungi (as imperfect fungus, many sac fungis) causes, is the high-efficiency low-toxicity systemic fungicide, inhales treatment and protective effect in having.Multiple diseases such as the powdery mildew of various crop such as main control fruit tree, vegetables, eqpidemic disease, anthracnose, stalk break, fusarium wilt, damping off.Bromothalonil is the bactericide of a kind of wide spectrum, efficient, low toxicity, can suppress and root out fungi, bacterium, algae grows, and corps diseases is had the better prevention effect, and anthracnose is had special efficacy.Be widely used in various crop such as fruit tree, grape, vegetables, cotton, peanut, watermelon, tobacco, tea tree, flowers, prevent and treat multiple fungoid, bacteroidal diseases such as anthracnose, scab, shot hole, powdery mildew, rust, damping off, damping off, root stem rot, canker, bacterial wilt, angular leaf spot.
Regardless of being carbendazim, bromothalonil or other efficient germicide, long-term dependent single use makes the pesticide resistance of these diseases strengthen, and the time that produces resistance shortens, and causes dosage increasing, preventive effect to reduce.Carbendazim or bromothalonil and other bactericide compounded use are also arranged, but to the control efficiency of anthracnose all not obvious.Therefore, people press for a kind of good to the anthracnose control efficiency, and it is long that quick-acting reaches the lasting period well, the bactericide of delaying drug resistance.
Summary of the invention
At the problems referred to above, the invention provides a kind of carbendazim and composite bactericide of bromothalonil that is used to prevent and treat anthracnose, it is remarkable to have synergy, and it is long that quick-acting reaches the lasting period well, high-efficiency low-toxicity, resistance risk is low, the low characteristics of control cost.
The main technical schemes that the present invention adopts is: the bactericide that a kind of carbendazim and bromothalonil are composite, its characteristics are: include carbendazim and bromothalonil, the weight ratio of carbendazim and bromothalonil is 1:0.5～40.
Optimized technical scheme of the present invention is: the preferred weight ratio of described carbendazim and bromothalonil is 1:1～20.
The technical scheme of the best of the present invention is: the optimum weight ratio of described carbendazim and bromothalonil is 1:3～6.
Carbendazim has another name called No. 44, carbendazol, benzene well imidazoles; chemical name is: N-(2-benzimidazole base)-and methyl carbamate; the mechanism of action is the formation of imitative hammer body in the mitosis of disturbing bacterium; thereby influence cell division; it is a kind of broad-spectrum germicide; various crop there is control efficiency by the disease that fungi (as imperfect fungus, many sac fungis) causes, is the high-efficiency low-toxicity systemic fungicide, inhale treatment and protective effect in having.Multiple diseases such as the powdery mildew of various crop such as main control fruit tree, vegetables, eqpidemic disease, anthracnose, stalk break, fusarium wilt, damping off.
Bromothalonil has another name called tektamer, and chemical name is: 2-bromo-2 bromomethyl glutaronitriles are bactericide of a kind of wide spectrum, efficient, low toxicity, can suppress and root out fungi, bacterium, algae grows, and corps diseases is had the better prevention effect, and anthracnose is had special efficacy.
The percentage by weight of how clever bacterium of contained total active ingredient and bromothalonil is 20%～45% in the bactericide of the present invention.
The present invention is with active ingredient carbendazim and bromothalonil, adding auxiliary agent (wetting agent, dispersant, bleeding agent, stabilizing agent etc.) and carrier is mixed and processed, can be mixed with formulations such as wetting powder, suspending agent, water dispersible granules, suspension emulsion, oil-suspending agent, spray on crop behind the dilute with water during use.
The invention has the beneficial effects as follows: after two kinds of effective ingredients are composite, utilize different mechanism of action, have complementary advantages, have obvious synergistic effect, good to the anthracnose control efficiency, the lasting period is long, delaying drug resistance, can prevent and treat simultaneously other medicament disease that develops immunity to drugs, and safe in utilization, cost is low.
Embodiment
The present invention is further described below in conjunction with embodiment, but embodiment does not limit the present invention, and umber described in the embodiment all by weight.
Embodiment 1 25% carbendazim bromothalonil wetting powder
5 parts of carbendazim
20 parts of bromothalonils
5 parts of sodium lignin sulfonates
5 parts of lauryl sodium sulfate
Kaolin complements to 100 parts.
Load weighted carbendazim, bromothalonil and sodium lignin sulfonate, lauryl sodium sulfate kaolin are mixed together evenly,, get 25% carbendazim bromothalonil wetting powder after mixing once more through the ultra micro comminution by gas stream.
Can obtain embodiment 2-embodiment 4 by identical process.
Embodiment 2 35% carbendazim bromothalonil wetting powders
5 parts of carbendazim
30 parts of bromothalonils
5 parts of sodium lignin sulfonates
8 parts of lauryl sodium sulfate
Kaolin complements to 100 parts.
Embodiment 3 20% carbendazim bromothalonil wetting powders
5 parts of carbendazim
15 parts of bromothalonils
5 parts of sodium lignin sulfonates
4 parts of lauryl sodium sulfate
Kaolin complements to 100 parts.
Embodiment 4 30% carbendazim bromothalonil wetting powders
5 parts of carbendazim
25 parts of bromothalonils
5 parts of sodium lignin sulfonates
6 parts of lauryl sodium sulfate
Kaolin complements to 100 parts.
Embodiment 5 30% carbendazim bromothalonil suspending agents
20 parts of carbendazim
10 parts of bromothalonils
3 parts of SOPA
1.5 parts of AEO
0.2 part of xanthans
0.2 part of Sodium Benzoate
5 parts of propane diols
Water complements to 100 parts.
Embodiment 6 20% carbendazim bromothalonil oil-suspending agents
10 parts of carbendazim
10 parts of bromothalonils
3 parts of SOPA
5 parts of AEO
10 parts of polyoxyethylene nonylphenol ether phosphates (NP-10)
3 parts of emulsifier 500#
1.6 parts of organobentonites
Vegetable oil complements to 100 parts.
Embodiment 7 41% carbendazim bromothalonil water dispersible granules
1 part of carbendazim
40 parts of bromothalonils
5 parts of lauryl sodium sulfate
3 parts of EFW
10 parts in ammonium sulfate
5 parts of glucose
Water-washed kaoline complements to 100 parts.
Embodiment 8 21% carbendazim bromothalonil suspension emulsions
1 part of carbendazim
20 parts of bromothalonils
15 parts of S-200 solvent naphthas
5 parts of emulsifier 700#
3 parts of polyoxyethylene nonylphenol ether phosphates (NP-10P)
2 parts of BY125
4 parts of propane diols
Water complements to 100 parts.
The biologic test result relevant with above example of formulations is as follows.
Biological enforcement 1.
Carbendazim and bromothalonil are to the indoor joint toxicity measuring of anthracnose.
With the former bacterium of the citrus anthracnose of indoor feeding, adopt the pesticide bioassay method of standard to measure carbendazim, bromothalonil and composite dose of virulence thereof to anthracnose, estimate composite dose synergistic effect with co-toxicity coefficient.The test method of handling anthracnose is to cultivate the former bacterium of citrus anthracnose of 8d, card punch with diameter 5 ㎜ under aseptic condition cuts the bacterium cake from colony edge, with inoculator the bacterium cake is inoculated in the dull and stereotyped central authorities of pastille, and mycelia faces up, cover the ware lid, place 25 ± 1 ℃ of constant incubators to cultivate.Growing state investigation pathogen mycelial growth situation according to bacterium in the blank culture dish, measure colony diameter after promptly cultivating 7d, with the colony diameter in the vernier caliper measurement culture dish, each bacterium colony right-angled intersection is measured two data and is averaged, and calculates mycelial growth inhibition rate.Again according to the concentration logarithm---the mycelial growth inhibition rate probit value is analyzed (Bliss) method, obtains the value of concentration (EC50) in virulence regression equation and the inhibition with DPS 2000 data processing softwares.According to the method for Sun Yunpei (Sun) introduction, obtain the co-toxicity coefficient (CTC) of each mixed agent then.
The toxicity index that toxicity index/theory that co-toxicity coefficient CTC=100 * reality is composite dose is composite dose.
When co-toxicity coefficient obviously greater than 100 the time, showing has synergistic effect; About 100, expression has summation action; Be significantly less than 100 and show that antagonism is arranged.
Mensuration and result of calculation are as shown in table 1.
Table 1 carbendazim, the different proportioning mixtures with 5 kinds of bromothalonil are to the Toxicity Determination result of citrus anthracnose bacterium
Test determination is the result show, carbendazim and bromothalonil are mixed, and the mixture of 5 kinds of different proportionings all has synergistic effect preferably to the citrus anthracnose bacterium, and wherein again with carbendazim: the proportioning synergistic effect maximum of bromothalonil=1: 4, co-toxicity coefficient reaches 184.61.
Biological Examples 2.
50% carbendazol wettable powder (Shandong is won Bang Lunan agricultural chemicals company and produced), 25% bromothalonil wetting powder (Yancheng, Jiangsu dragon jump agricultural chemicals company produce), 25% carbendazim bromothalonil wetting powder (embodiment 1), 35% carbendazim bromothalonil wetting powder (embodiment 2), 20% carbendazim bromothalonil wetting powder (embodiment 3), 30% carbendazim bromothalonil wetting powder (embodiment 4) are to the drug effect test of field zone of mandarin tree anthracnose.
7 processing are established in test, the clear water contrast.As shown in table 2 respectively.
Table 2 mandarin tree anthracnose field plot trial chemicals treatment table
| Numbering | The medicament title | Use concentration |
| 1 | 50% carbendazol wettable powder | 600 times of liquid |
| 2 | 25% bromothalonil wetting powder | 500 times of liquid |
| 3 | 25% carbendazim bromothalonil wetting powder | 500 times of liquid |
| 4 | 35% carbendazim bromothalonil wetting powder | 700 times of liquid |
| 5 | 20% carbendazim bromothalonil wetting powder | 400 times of liquid |
| 6 | 30% carbendazim bromothalonil wetting powder | 600 times of liquid |
| 7 | The CK(contrast) | / |
Concrete test method: in the mandarin tree summer shoot growth ending phase, anthracnose continuous dispenser of popular phase for the second time three times, every dispenser in 10 days once, each is handled by corresponding concentration, adopt workers and peasants-16 type to bear the hand-rail type sprayer, thin water spray evenly sprays on mandarin tree branches and leaves fruit, make leave dual sides fully contact soup, till following of soup.Each sick number of sheets of sub-district 2 mandarin tree anthracnose of investigation and corresponding sick level before the medicine were investigated sick numbers of sheets of those 2 mandarin tree anthracnose and corresponding sick level in 10 days after 10 days and the last dispenser after the dispenser for the first time, calculated preventive effect.Result of the test is as shown in table 3.
Table 3 carbendazim, bromothalonil and composite dose of control mandarin tree anthracnose effect table thereof
| Medicament and processing (times liquid) | 10 days preventive effects (%) behind the medicine for the first time | 10 days preventive effects (%) behind the medicine for the third time |
| 50% carbendazol wettable powder 600 | 33.89 | 75.97 |
| 25% bromothalonil wetting powder 500 | 35.96 | 79.11 |
| 25% carbendazim bromothalonil wetting powder 500 | 43.26 | 85.71 |
| 35% carbendazim bromothalonil wetting powder 700 | 35.44 | 76.88 |
| 20% carbendazim bromothalonil wetting powder 400 | 30.81 | 71.67 |
| 30% carbendazim bromothalonil wetting powder 600 | 34.82 | 74.65 |
| The CK(contrast) | / | / |
The result shows that the composite dose of control efficiency to mandarin tree anthracnose of carbendazim and bromothalonil is good, and particularly the preventive effect of 25% carbendazim bromothalonil wetting powder is more remarkable, and the lasting period is long, and the control cost is lower.Simultaneously, because current mandarin tree anthracnose produces high resistance to carbendazim, break out and rampant more very risky, the carbendazim bromothalonil is the desirable medicament of control resistance mandarin tree anthracnose for composite dose.
Claims (4)
1. carbendazim and the composite bactericide of bromothalonil, it is characterized in that: include carbendazim and bromothalonil, the weight ratio of carbendazim and bromothalonil is 1:0.5～40.
2. a kind of carbendazim according to claim 1 and the composite bactericide of bromothalonil is characterized in that: the weight ratio of described carbendazim and bromothalonil is 1:1～20.
3. a kind of carbendazim according to claim 1 and the composite bactericide of bromothalonil is characterized in that: the weight ratio of described carbendazim and bromothalonil is 1:3～6.
4. according to claim 1,2,3 described a kind of carbendazim and the composite bactericide of bromothalonil, it is characterized in that: described bactericide passes through active ingredient carbendazim and bromothalonil, add auxiliary agent and carrier and be mixed and processed, the formulation that is mixed with is: wetting powder, suspending agent, water dispersible granules, suspension emulsion, oil-suspending agent etc.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102948417A (en) * | 2012-06-07 | 2013-03-06 | 江西正邦生物化工股份有限公司 | Bromothalonil water dispersible granule and preparation method thereof |
| CN105123722A (en) * | 2015-08-03 | 2015-12-09 | 佛山市顺德区宝铜金属科技有限公司 | Composition for seed treatment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101708008A (en) * | 2009-12-23 | 2010-05-19 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708008A (en) * | 2009-12-23 | 2010-05-19 | 深圳诺普信农化股份有限公司 | Bactericidal composition |
Non-Patent Citations (2)
| Title |
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| 《福建农林大学学报(自然科学版)》 20021231 许文耀等 溴菌腈•多菌灵混剂对柑橘炭疽病的防治效果 459-462 1-4 第31卷, 第4期 * |
| 许文耀等: "溴菌腈•多菌灵混剂对柑橘炭疽病的防治效果", 《福建农林大学学报(自然科学版)》, vol. 31, no. 4, 31 December 2002 (2002-12-31), pages 459 - 462 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102948417A (en) * | 2012-06-07 | 2013-03-06 | 江西正邦生物化工股份有限公司 | Bromothalonil water dispersible granule and preparation method thereof |
| CN105123722A (en) * | 2015-08-03 | 2015-12-09 | 佛山市顺德区宝铜金属科技有限公司 | Composition for seed treatment |
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Application publication date: 20111005 |