CN106900747A - Bactericidal composition containing potassium phosphite - Google Patents
Bactericidal composition containing potassium phosphite Download PDFInfo
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- CN106900747A CN106900747A CN201710267962.7A CN201710267962A CN106900747A CN 106900747 A CN106900747 A CN 106900747A CN 201710267962 A CN201710267962 A CN 201710267962A CN 106900747 A CN106900747 A CN 106900747A
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- potassium phosphite
- disease
- bactericidal composition
- composition
- cucumber
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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
- A01N59/26—Phosphorus; Compounds thereof
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
- A01N43/42—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings condensed with carbocyclic rings
Abstract
The invention provides a kind of Synergistic biocidal composition containing potassium phosphite, it is characterised in that including active components A and B, wherein, A is potassium phosphite, and B is Quinofumelin, also the auxiliary agent including that can be used in Pesticide formulation, conventional pesticidal preparations are made, and are applied to controlling plant diseases.
Description
Technical field
The invention belongs to pesticides application technical field, it is related to a kind of composition pesticide, it is specifically a kind of to contain phosphorous acid
The bactericidal composition of potassium, is applied to controlling plant diseases.
Background technology
In agricultural production process, there is serious, the position such as harm plant roots, stem, leaf, and fruit, kind in plant disease
The organs of multiplication such as son, stem tuber, influence photosynthesis of plant and plant strain growth, influence Leaf-feeding insects outward appearance, crop yield is fallen sharply,
Quality decline is serious.When disease occurs serious, crop is caused to be had no harvest.Therefore, plant disease has important in produce reality
Meaning is prevented and treated, bactericide is the most economic, the quick and effective method of controlling plant diseases.
Single bactericide using easily develop immunity to drugs or prevent and treat compose it is limited, in can not well solving produce reality
Plant disease endangers.Mixture bactericide has can expand preventing and treating spectrum, enhancing preventive effect, delay the advantages such as the phytopathogen resistance to the action of a drug,
Turn into most popular application form in production practices.Especially there is the bactericide of synergy, each effective group of bactericide
Divide interphase interaction, make combination aging fruit better than the theoretical summation of exclusive use effect, thus thing can be played when actually used
The effect of half work(times, is more favored by user.
Potassium phosphite is interpreted as with formula PO3Phosphorous acid sylvite, including but not limited to potassium phosphite
(K2HPO3), potassium dihydrogen phosphite (KH2) or its mixture etc. PO3.It is various that potassium phosphite is mainly used in preventing and treating fruit and vegetables etc.
Oomycetes disease on crop, such as late blight of potato, cucumber downy mildew, downy mildew of garpe, can also prevent and treat various fungal diseases,
Such as alternaria leaf spot of apple, scab of apple, mango anthracnose.Quinofumelin is a kind of broad-spectrum germicide, to many
The plant disease planted on crop shows excellent preventive effect.
The present invention is studied by substantial amounts of formulation screening test and found, when potassium phosphite and Quinofumelin are combined
When, show surprising bactericidal effect, that is, good synergy is shown, actual bactericidal effect is substantially better than individually to be made
Theoretical summation, has application prospect widely in production.
The content of the invention
The present invention relates to Synergistic biocidal composition, including active components A and B, described active components A is potassium phosphite,
Described active component B is Quinofumelin.Additionally, also including the auxiliary agent that can be used in Pesticide formulation.
The composition can be especially good effect be used to prevent and treat plant disease in various useful crops, it is described useful
Crop includes but is not limited to conventional breeding crop, genetically modified crops, asexually propagated crop and asexual propagation material, domesticating and cultivating
Wild plant etc., is particularly well-suited to preventing and treating potato, tomato, cucumber, grape, lettuce, Chinese cabbage, wild cabbage, cauliflower, capsicum, grass
The crop diseases such as the certain kind of berries, apple, wheat.
The instantiation that can be mentioned that is the representative plant disease that some can use composition for preventing and controlling of the invention, the example
It is not limited to specified genus kind.It should be noted that the invention is not limited in example in detail below, can also prolong in the same manner
Other plant diseases are reached, bracket indicates its cause of disease Latin name：
Potato, tomato late blight (Phytophthora infestans), cucumber downy mildew
(Pseudoperonospora cubensis), downy mildew of garpe (Plasmopara viticola), lettuce, Chinese cabbage, wild cabbage,
Cauliflower downy mildew (Peronospora parasitica), downy mildew (Peronospora destructor), capsicum
Epidemic disease (Phytophthora capsic), strawberry epidemic disease (Phytophthora cactorum), alternaria leaf spot of apple
(Alternaria alternata), scab (Venturia inaequalis), mango anthracnose (Colletotrichum
Gloeosporioides), ornamental plant corruption mildew (Pythium splendens), fusarium disease (Fusarium spp.)：
Such as wheat scab (Fusarium graminearum), root rot (Fusarium oxysporum), rhizoctonia disease
Evil (Rhizoctonia spp.)：Such as wheat sharp eyespot (Rhizoctonia cerealis), black scurf of potato
(Rhizoctonia solani), tomato, capsicum early blight (Alternaria solani), powdery mildew of cucumber
(Sphaerotheca fuliginea), cucumber, Kidney bean, grape, graw mold of tomato (Botrytis cinerea) etc..
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that and is achieved：
The present composition component A and B can be with arbitrary proportion mixtures, and a kind of usual active component content is higher than rest activity
Composition, preferably mixing ratio are 100：1 to 1：100 or 50：1 to 1：50.
The present composition can mix by by active component with the auxiliary agent that can be used in Pesticide formulation, with known
Method is prepared as conventional preparation, such as aqua, suspending agent, solvable pulvis, soluble granule, granule.Typically contained in preparation
The active component of 0.1~95% weight, the preferably active component of 0.5~90% weight.
The auxiliary agent that can be used in Pesticide formulation is included but is not limited to：Water, solvent, filler, various surfactants
(emulsifying agent, dispersant, wetting agent etc.), adhesive, film forming agent, colouring agent, antifreezing agent, thickener, suspending agent, disintegrant, disappear
Infusion, bleeding agent, synergist, stabilizer, wall capsule material, pH adjusting agent, preservative etc..Also, suitably, in order to improve to spy
Ordered goods tolerance, can be properly added safener；Or sometimes for crop growth is promoted, can add in mixture composition
Plus conventional agriculture fertilizer, it is made medicament-fertilizer mixture.These auxiliary agents are all to commonly use in pesticidal preparations or allow the composition for using, and have no spy
Do not limit, one or more auxiliary agents may be selected and constitutes, specific composition and consumption are tested according to recipe requirements by simple
It is determined that.
The production technology of the various application forms of composition belongs to existing known technology, will not be repeated here.
The present composition can be used in a variety of ways, be such as watered spraying in a usual manner and used, or directly spread fertilizer over the fields or ditch
Apply, or mix pesticide-clay mixture and spread fertilizer over the fields, when plant seeding, emerge before, emerge after vegetative growth phase and reproductive stage can be used.With
Dose can change in relative broad range, and depending on the situation of soil, application method, crop, plant disease kind to be prevented and treated
Class and seedling age size, weather conditions at that time and other factors.The present composition is generally with 0.001~0.5kg active components
The consumption of mixture/hectare is applied, it is further preferable that being applied with the consumption of 0.01~0.3kg mixture of active principles/hectare.
The present invention compared with prior art, has the following technical effect that：
1st, mixture composition has good synergy, and application effect is substantially better than single dose theoretical effect summation, that is, has
There is super superposition, plant disease occurrence injury can be better controled over；
2nd, there is good complementarity in control of plant disease spectrum between mixture composition active component, can expands very well
Preventing and treating spectrum, it is comprehensive effectively to control various plant disease occurrence injuries；
3rd, mixture composition has good synergy, can reduce medicament usage amount, reduces use cost and environment is dirty
Dye, improves the security to crop.
Specific embodiment
Specific embodiment of the invention given below is, it is necessary to explanation is the invention is not limited in implementing in detail below
Example, all equivalents done on the basis of technical scheme each fall within protection scope of the present invention.
Embodiment 1：15% aqua
Being formulated composition is：Active components A is 5%, and active component B is 10%, surfactant APES
6%, water complements to 100%.
Preparation method is：By in all materials input modulation kettle, stirring and dissolving after chemical examination is qualified, is shifted to fully transparent
It is filling to storage tank.
Embodiment 2：26% suspending agent
Being formulated composition is：Active components A is 10%, and active component B is 16%, wetting agent methyl acrylate ring
Oxidative ethane and propylene oxide copolymer block 4%, dispersant lignosulfonates 3%, antifreezing agent glycerine 5%, thickener xanthan
Glue 0.3%, water complements to 100%.
Preparation method is：By in active component and wetting agent, dispersant, antifreezing agent and water input stirred tank, it is sufficiently stirred for
Afterwards, material is pumped into sand mill and is fully ground, after the completion of grinding, be pumped into high-speed shearing machine, after adding thickener, entered
Row high speed shear, is obtained suspending agent after the completion of shearing.
Embodiment 3：50% solvable pulvis
Being formulated composition is：Active components A is 15%, and active component B is 35%, wetting agent AEO 3%,
To methoxyl group fatty acyl anilinesulfonic acid 4%, filler bentonite complements to 100% to dispersant.
Preparation method is：Active component and each auxiliary agent are well mixed, just smashing is carried out in the mechanical disintegrating machine of input, afterwards
Crushed through airslide disintegrating mill, remix uniform, i.e., prepared solvable pulvis.
Embodiment 4：70% soluble granule
Being formulated composition is：Active components A is 25%, and active component B is 45%, wetting agent sulfosuccinic acid monooctyl ester sodium salt
4%, dispersant lignosulfonates 5%, filler diatomite complements to 100%.
Preparation method is：After all materials are well mixed, crushed through airslide disintegrating mill, be well mixed again, then, plus
Enter a certain amount of water to mediate this mixture, extruder grain is sieved through drying, that is, obtain soluble granule.
Embodiment 5：7% granule
Being formulated composition is：Active components A is 4%, and active component B is 3%, wetting agent APES 0.8%,
Dispersant APES formaldehyde condensation product sulfonate 0.9%, colouring agent carbon black 0.2%, filler attapulgite is supplied
To 100%.
Preparation method is：After all materials are well mixed, a certain amount of water is added to mediate this mixture, extruding is made
Grain, sieves through drying, that is, obtain granule.
Application effect example：
1st, test method
(1) bioactivity of Phytophthora infestans, phytophthora capsici and botrytis cinerea
Reference《NYT 1156.2-2006 farm-chemical indoor determination test rule bactericide part 2s：Suppress cause of disease true
Bacterium mycelial growth tests Plating》Carry out.
With phytophthora infestans (Phytophthora infestans), phytophthora capsici (Phytophthora
Capsic) or botrytis cinerea (Botrytis cinerea) be for examination pathogen.
Incidence of leaf is gathered from field, laboratory isolates and purifies, be seeded on culture medium and cultivate, culture to colony diameter reaches
6cm or so is standby, and (phytophthora infestans oat medium culture, phytophthora capsici and botrytis cinerea are cultivated with PDA
Base culture).
It is standby after the sterilizings such as culture medium, deionized water, line triangular flask, culture dish, pipette tips, card punch, inoculator.
Under aseptic technique, the sterilising medium that thawing in advance is cooled to about 50 DEG C is quantitatively adding sterilizing line three
In the bottle of angle, make culture medium concordant with (60mL) at line, then draw 600 μ L liquids successively from low concentration to high concentration, respectively
Add in above-mentioned triangular flask, fully shake up, rear equivalent is poured into 4 culture dishes (Φ 9cm), be made 5 concentration gradient band medicines and put down
Plate.And set the treatment without medicament and make blank.Will on culture medium cultured pathogen, aseptically with sterilizing
Card punch (Φ 5mm) cuts bacteria cake from the same circumference of colony edge, with inoculator by pure culture biscuits involvng inoculation in pastille flat board center, bacterium
Silk face down, cover ware lid, in incubator dark culturing (phytophthora infestans in 19 DEG C culture, phytophthora capsici and kind
Solanum cinerea bacterium is cultivated in 25 DEG C).According to mycelial growth situation in blank ware, kind of calliper colony diameter is used.Each bacterium
Fall to using crossing method vertical survey, take its average value, calculate the inhibiting rate to mycelial growth.
Each concentration for the treatment of is calculated to mycelial growth inhibition rate by formula (1), (2), and unit is percentage (%), result of calculation
Retain 2 significant digits.
D=D1-D2…………………………………………(1)
In formula：
D-bacterium colony increases diameter, and unit is millimeter (mm)；
D1- colony diameter, unit is millimeter (mm)；
D2- bacteria cake diameter, unit is millimeter (mm).
In formula：
I-mycelial growth inhibition rate, unit is percentage (%)；
D0- blank bacterium colony increases diameter, and unit is millimeter (mm)；
Dt- chemicals treatment bacterium colony increases diameter, and unit is millimeter (mm).
(2) to the bioactivity of bacterium of downy mildew of cucumber
Reference《The part of NYT 1156.7-2006 farm-chemical indoor determination test rules bactericide the 7th：Preventing and treating cucumber cream
Mildew experiment basin cuts out method》Carry out.
It is that laboratory is seeded in cucumber for examination germ with bacterium of downy mildew of cucumber (Pseudoperonospora cubensis)
Expand numerous standby on seedling.
It is that, for studying thing, laboratory is potted plant with cucumber susceptible variety " Chang Chun Mi Ci ", long to 4~6 leaf periods of seedling
It is standby.
Choose and expand numerous use incidence of leaf, lower blade back side Pseudoperonospora cubensis sporangium is washed with 4 DEG C of distillations, eluent is double-deck
Filtered through gauze, it is 1 × 10 to be made concentration5The sporangia suspension of individual sporangium/mL, its spray inoculation is yellow in " Chang Chun Mi Ci "
Melon seedling vacuum side of blade (Pseudoperonospora cubensis easily infects vacuum side of blade), dark moisturizing culture 24h, the liquid that will be prepared uniformly spray in
Blade face is to whole wettings.Then under the conditions of 17~22 DEG C, 12h alternation of light and darkness, relative humidity is training under conditions of more than 90%
Support.Often treatment sets 4 repetitions, often repeatedly 5 basin, per 2 plants of basin, and sets the treatment without medicament and makees blank.When blank pair
When reaching more than 80% according to the incidence of disease, incidence of investigating is classified.Calculate the disease index and prevention effect of each treatment.
Disease index is calculated by formula (3), and prevention effect is calculated by formula (4), and result of calculation retains 2 significant digits.
In formula：
X-disease index；
Ni- sick the numbers of sheets at different levels；
I-relative value of series；
N-investigation total number of sheets；
9-highest value of series.
In formula：
P-prevention effect, unit is percentage (%)；
CK-blank disease index；
PT-chemicals treatment disease index.
(3) to the bioactivity of cucumber powdery mildew's pathogen
Reference《The part of NYT 1156.11-2008 farm-chemical indoor determination test rules bactericide the 11st：Preventing and treating is melon
Powdery mildew experiment basin cuts out method》Carry out.
It is, for examination germ, to be adopted from field cucumber disease leaf with cucumber powdery mildew's pathogen (Sphaerotheca fuliginea)
Collection, indoor inoculation expands numerous standby on fresh cucumber seedling.
It is that, for studying thing, laboratory is potted plant with cucumber susceptible variety " the close thorn in Xintai City ", long to 2~4 leaf periods of seedling
It is standby.
Choose and expand numerous use incidence of leaf, with the pure water added with a small amount of 0.1% Tween-80, fresh spore is eluted from sick leaf
Son, eluent is filtered with double gauze, and it is 1 × 10 to be made concentration5The spore suspension of individual spore/mL, by its spray inoculation in
On " the close thorn in Xintai City " cucumber leaves.After inoculation 24h, the liquid that will be prepared uniformly is sprayed in blade face to whole wettings.Treat liquid
Natural air drying, moves to growth cabinet culture, is cultivated under the conditions of 20 DEG C, 12h alternation of light and darkness.Often treatment sets 4 repetitions, often
5 basins are repeated, per 2 plants of basin, and the treatment without medicament is set and is made blank.When blank disease leaf rate reaches more than 80%,
Incidence is managed in classification investigation everywhere.Calculate the disease index and prevention effect of each treatment.
Disease index is calculated by formula (5), and prevention effect is calculated by formula (4), and result of calculation retains 2 significant digits.
In formula：
X-disease index；
Ni- sick the numbers of sheets at different levels；
I-relative value of series；
N-investigation total number of sheets；
11-highest value of series.
(4) compositions contemplated activity judges
Judge composition in the transnational agricultural chemicals enterprise formulation patents such as compositions contemplated activity reference Bayer, elder generation just reach, Tao Shi
The method (COLBY methods) of expection activity：COLBY, S.R.：“Calculating Synergistic and Antagonistic
Responses of Herbicide Combinations ", Weeds 15, p.20~22,1967 are carried out.
Compositions contemplated activity is calculated by (6) formula：
In formula：
Preventive effect or inhibiting rate when the consumption of X-bactericide 1 is P；
Preventive effect or inhibiting rate when the consumption of Y-bactericide 2 is Q；
Actual preventive effect or inhibiting rate after E-bactericide 1 is mixed according to the above ratio with bactericide 2, i.e. mixture bactericide
Substantial activity；
E0The consumption of-bactericide 1 is the theoretical preventive effect or inhibiting rate, i.e. mixture bactericide when the consumption of P+ bactericide 2 is Q
Expection activity.
As E ＞ E0When, if that is, the substantial activity of Mixed Pharmacy exceedes calculated expection activity, the combination just has
Super superposition, that is, act synergistically.
2nd, result of the test
Result of the test refers to table 1~5, it is seen then that active components A (potassium phosphite) and active component B (Quinofumelin)
After mixture, substantial activity is all higher than expection activity, illustrates that potassium phosphite has synergy with Quinofumelin mixtures.
Potassium phosphite (the K of table 12HPO3) with the synergy effect of Quinofumelin mixture Phytophthora infestans
Potassium phosphite (the K of table 22HPO3) with Quinofumelin mixtures to the synergy effect of phytophthora capsici
Potassium phosphite (the KH of table 32PO3) with Quinofumelin mixtures to the synergy effect of botrytis cinerea
Potassium phosphite (the K of table 42HPO3) with Quinofumelin mixtures to the synergy effect of bacterium of downy mildew of cucumber
Potassium phosphite (the KH of table 52PO3) with Quinofumelin mixtures to the synergy effect of cucumber powdery mildew's pathogen
Claims (5)
1. bactericidal composition, it is characterised in that including active components A and B.
2. bactericidal composition as claimed in claim 1, it is characterised in that described active components A is potassium phosphite.
3. bactericidal composition as claimed in claim 1, it is characterised in that described active component B is Quinofumelin.
4. the bactericidal composition as described in claim 1,2 or 3, it is characterised in that in addition to active components A and B, also including agriculture
The auxiliary agent that can be used in medicine preparation processing.
5. the bactericidal composition as described in claim 1,2,3 or 4, it is characterised in that be applied to controlling plant diseases.
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| CN201710267962.7A CN106900747A (en) | 2017-04-22 | 2017-04-22 | Bactericidal composition containing potassium phosphite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710267962.7A CN106900747A (en) | 2017-04-22 | 2017-04-22 | Bactericidal composition containing potassium phosphite |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104336036A (en) * | 2014-10-14 | 2015-02-11 | 沈阳化工研究院有限公司 | Fungicidal composition and application thereof |
| CN104754943A (en) * | 2012-09-07 | 2015-07-01 | 拜耳农作物科学股份公司 | Active compound combinations |
| CN104754940A (en) * | 2012-09-07 | 2015-07-01 | 拜耳农作物科学股份公司 | Active compound combinations |
| CN106172497A (en) * | 2016-06-30 | 2016-12-07 | 江苏新农化工有限公司 | Containing zinc thiazole and the bactericidal composition of phosphite and preparation thereof and application |
| WO2017016922A1 (en) * | 2015-07-24 | 2017-02-02 | Syngenta Participations Ag | Pesticidally active heterocyclic derivatives with sulphur containing substituents |
| AU2016334757A1 (en) * | 2015-10-09 | 2018-04-12 | Nippon Soda Co., Ltd. | Agricultural and horticultural fungicidal composition |
-
2017
- 2017-04-22 CN CN201710267962.7A patent/CN106900747A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754943A (en) * | 2012-09-07 | 2015-07-01 | 拜耳农作物科学股份公司 | Active compound combinations |
| CN104754940A (en) * | 2012-09-07 | 2015-07-01 | 拜耳农作物科学股份公司 | Active compound combinations |
| CN104336036A (en) * | 2014-10-14 | 2015-02-11 | 沈阳化工研究院有限公司 | Fungicidal composition and application thereof |
| WO2017016922A1 (en) * | 2015-07-24 | 2017-02-02 | Syngenta Participations Ag | Pesticidally active heterocyclic derivatives with sulphur containing substituents |
| AU2016334757A1 (en) * | 2015-10-09 | 2018-04-12 | Nippon Soda Co., Ltd. | Agricultural and horticultural fungicidal composition |
| CN106172497A (en) * | 2016-06-30 | 2016-12-07 | 江苏新农化工有限公司 | Containing zinc thiazole and the bactericidal composition of phosphite and preparation thereof and application |
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