CN107087637A - A kind of nematicide containing methyl jasmonate and fosthiazate - Google Patents
A kind of nematicide containing methyl jasmonate and fosthiazate Download PDFInfo
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- CN107087637A CN107087637A CN201710450150.6A CN201710450150A CN107087637A CN 107087637 A CN107087637 A CN 107087637A CN 201710450150 A CN201710450150 A CN 201710450150A CN 107087637 A CN107087637 A CN 107087637A
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- Prior art keywords
- fosthiazate
- methyl jasmonate
- root
- nematicide
- knot
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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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/26—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-nitrogen bonds
- A01N57/32—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-nitrogen bonds containing heterocyclic radicals
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of nematicide containing methyl jasmonate and fosthiazate, active ingredient is made up of fosthiazate and methyl jasmonate, and the weight ratio of fosthiazate and methyl jasmonate is 1 20:1.Synergistic of the present invention, energy effectively preventing root knot nematode disease, advantageously reduces the usage amount of drug cost and chemical pesticide, delays the resistance of root-knot nematode, extends the life cycle of fosthiazate.
Description
Technical field
The present invention relates to agricultural technology field, specifically related to a kind of nematicide containing methyl jasmonate and fosthiazate.
Background technology
Meloidogyne incognita (Meloidogyneincognita) be in one of main nematode of China parasitic plant, with
China's agricultural production and the development of rural economy, vegetable at protected field sown area and multiple crop index are improved constantly, and due to plantation
Single varieties, cultivated area is limited, causes crop rotation and the rotation of crops difficult, and root knot nematode disease harm is on the rise.
The harm of root-knot nematode is mainly manifested in two aspects, and one is to be invaded with larva from plant root tip separate living tissue, is invaded
Secreted after entering by esophagus and form a kind of enzyme and plant hormone, stimulate host cell division, form megabacterium, and then form root
Knot, causes very big injury to the conducting system of root, have impact on the normal transport of moisture and nutrient, cause overground part normal
Growth.Two be that larva invades the wound to be formed, and is conducive to the intrusion of other pathogens, thus cause droop, damping-off etc. its
The generation of his disease.Nematode typically results in crop failure 10%~40%, and 80% underproduction, or even total crop failure can be caused when serious,
Larger adverse effect is brought to production.
Fosthiazate, English name：Fosthiazate, is that a kind of contact and inner sucting conduction type kills nematicide, with low dose
Amount can just hinder the activity of nematode, prevent invasion of the nematode to root, and crop has been invaded while can be absorbed to kill by plant roots
Root forms the root-knot nematode of root nodule.
Methyl jasmonate (Methyl Jasmonate, abbreviation JA_Me), is the derivative of a class aliphatic acid, is present in height
Deng the endogenous growth regulators matter in plant.Jasmonic is a kind of hormone, is prevalent in various plants, with extensive
Physiological function, is presently believed to be the endogenous growth regulators matter in higher plant body, and plant is participated in as endogenous signal molecule
Degeneration-resistant reaction under the conditions of mechanical wounding, pest and disease damage, arid, high temperature, low temperature etc..On methyl jasmonate in Plant nematode
Using the upper report for having had a correlation, such as Liu Qingan, what Gan Li armies etc. delivered《Methyl jasmonate and salicylic acid are to cucumber root tie lines
The preventing and treating of worm》Confirm that Exogenous Methyl Jasmonate can preferably prevent and treat Cucumber root-knot nematode disease.
In the real process of agricultural production, controlling disease worm is easiest to generate the problem that the generation of disease and insect resistance.
And the farm chemical ingredients mixture of different mechanism of action is used, it is the common methods for preventing and treating resistance pest and disease damage.Screened by formulation of pesticide,
Show that mixture has synergistic function in certain ratio range between heterogeneity, it is possible to increase actual prevention effect, is to control
Manage the important means of pest and disease damage resistance.
Used in view of fosthiazate is frequently single for a long time in the preventing and treating of root-knot nematode, occur in that nematode resistance increases, medication
Amount increase but the phenomenon of drug effect reduction, necessity delay the resistance of root-knot nematode in appropriate method, extend the life of fosthiazate
Cycle.
At present, the control of nematode medicament using fosthiazate and methyl jasmonate as active ingredient is also without related report.
The content of the invention
It is an object of the invention to provide a kind of nematicide containing methyl jasmonate and fosthiazate, to improve root-knot nematode
Prevention effect, delays root-knot nematode to the resistance of single medicament, reduces cost accounting, extend the life cycle of fosthiazate.
The technical solution used in the present invention is:A kind of nematicide containing methyl jasmonate and fosthiazate, active ingredient
It is made up of fosthiazate and methyl jasmonate, the weight ratio of fosthiazate and methyl jasmonate is 1-20:1, it is preferred that fosthiazate and jasmine
The weight ratio of jasmine acid methyl esters is 5-10:1.
Further, the weight ratio of fosthiazate and methyl jasmonate is 8:1.
Described nematicide, percentage by weight of the fosthiazate in nematicide is 2.5-15%, and methyl jasmonate exists
Percentage by weight in nematicide is 0.5-5%.
Described nematicide can according to the method for Pesticide formulation prepare agriculturally acceptable any formulation,
It is preferred that granule, be prepared into granule need the adjuvant added include filler, binding agent, dispersant, wetting agent, disintegrant,
Sustained release agent, stabilizer or it is other be beneficial to active component in the formulation stablize and drug effect play material, be all agriculture field system
The various composition used is commonly used or allowed in agent.
The present invention has advantages below and notable technique effect：
(1) active ingredient methyl jasmonate and fosthiazate Synergistic of the invention, use with, can reduce in the reasonable scope
The amount of application of each single dose, advantageously reduces the usage amount of drug cost and chemical pesticide.
(2) active ingredient methyl jasmonate of the present invention is different with the mechanism of action of fosthiazate, and methyl jasmonate can also be improved
The resistance of aggrieved diseased plant, delays the resistance of root-knot nematode, extends the life cycle of fosthiazate.
Embodiment
Technical scheme and beneficial effect are described further with reference to embodiments, of the present invention hundred
Ratio is divided to be weight percentage.
First, indoor joint toxicity measuring test
The indoor joint toxicity measuring test of fosthiazate, methyl jasmonate and its mixed agent, with fosthiazate, methyl jasmonate
And its mixed agent dilutes 5 concentration by active constituent content gradient series, is compared with sterilized water, test with Meloidogyne incognita
Second instar larvae is test worm, sets blank control, fosthiazate, methyl jasmonate single dose and its mixture preparation are used into dip method, entered
Row toxicity test simultaneously does statistical analysis.
The synergistic effect of pharmacy mix, i.e. CTC≤80 are evaluated with the co-toxicity coefficient method (CTC) of the abundant methods of Sun Yun for antagonism to make
With 80<CTC<120 be summation action, and CTC >=120 are synergistic effect.
Result of the test is shown in Table 1.
The Toxicity Determination table of the fosthiazate of table 1, methyl jasmonate and its mixed agent to cucumber root-knot nematode
The measurement result of indoor co-toxicity shows that fosthiazate compares 1-20 with methyl jasmonate with weight:During 1 mixture, altogether
Malicious coefficient (CTC) is is all higher than 120, with synergistic function.When the weight of fosthiazate and methyl jasmonate compares 5-10:When 1,
Synergistic effect is more notable, there is fine guiding value in field test.
2nd, embodiment is prepared
Embodiment 1：4.5% fosthiazate methyl jasmonate granule
Formula：Fosthiazate 4.0%, methyl jasmonate 0.5%, AEO 2.0%, dodecane are weighed according to quantity
Base sodium sulphate 2.5%, polyvinyl alcohol 1.5%, carboxymethyl cellulose 2.5%, kaolin complements to 100%.
Embodiment 2：12.0% fosthiazate methyl jasmonate granule
Formula：Fosthiazate 10.0%, methyl jasmonate 2.0%, carboxymethyl cellulose 2.5%, dodecyl are weighed according to quantity
Sodium sulphate 2.5%, polyvinyl alcohol 1.5%, attapulgite 15%, kaolin complements to 100%.
Embodiment 3：3.0% fosthiazate methyl jasmonate granule
Formula：Fosthiazate 2.5%, methyl jasmonate 0.5%, naphthalenesulfonate formaldehyde condensation compound 2.5%, 12 are weighed according to quantity
Sodium alkyl sulfate 1.5%, polyvinyl alcohol 2.5%, attapulgite 5%, bentonite complements to 100%.
Embodiment 4：10.5% fosthiazate methyl jasmonate granule
Formula：Fosthiazate 10.0%, methyl jasmonate 0.5%, naphthalenesulfonate formaldehyde condensation compound 3.5%, ten are weighed according to quantity
Sodium dialkyl sulfate 2.5%, polyethylene glycol 2.0%, bentonite supplies 100%.
Embodiment 5：20.0% fosthiazate methyl jasmonate granule
Formula：Fosthiazate 15.0%, methyl jasmonate 5.0%, lauryl sodium sulfate 3.5%, carboxymethyl are weighed according to quantity
Cellulose 4.5%, diatomite 15%, bentonite supplies 100%.
Preparation method：Recipe ingredient described in above-described embodiment 1-5 is well mixed, crushed, is fully stirred after the wetting that adds water
Mix uniform, then granulated with screw extruder pelletizer, sieving produces the corresponding granule of methyl jasmonate containing fosthiazate after drying
Preparation.
3rd, products application embodiment
Experiment 1:Prepare the field control effectiveness test that the products obtained therefrom of embodiment 1 carries out cucumber root-knot nematode
Experimental design：In the leaf phase of spring cucumber six, the medicament of each processing is subjected to ditch spread to cucumber seedling, often processing repeats 3
It is secondary, and a blank control (CK) is set.30d counts the root knot number and pieces of an egg on plant disease index, record Cucumber root after medicine
Number, calculates disease index and preventive effect.
Root-knot nematode index stage division is as follows：
0 grade：Formed without root knot and pieces of an egg；I grades：Having has 1-2 root knot on a small number of root knots, root system；II grades：On most of root
Having has 3-30 root knot on root knot, root system；III level：There is 3-100 root knot on the root knot again on insect gall, root system；1V grades：Root
Knot, which is connected with each other, turns into agglomerate, and root knot number is more than 100.
Disease index=∑ (plant number × series at different levels)/(investigation total strain number × 4) × 100%
Preventive effect=(control disease index-processing disease index)/control disease index × 100%
Result of the test is shown in Table 2.
Table 2：4.5% fosthiazate methyl jasmonate granule prevents and treats Cucumber root-knot nematode disease result of the test statistical form
The result of table 2 is shown, 30 days after dispenser, and 4.5% fosthiazate methyl jasmonate granule is 1000g/ mus in consumption
Drug effect than the drug effect of 1500g/ mus of 5% fosthiazate granule, 3000g/ mus of 5% methyl jasmonate granule be higher by 20% with
On, hence it is evident that it is better than control single dose, crops nematode can be prevented and treated well by illustrating the nematicide of the present invention, reduce dosage, drop
Low cost, delays the drug-fast generation of nematode, the life cycle of the conventional medicament fosthiazate of extension.
Experiment 2:Prepare the field control effectiveness test that the products obtained therefrom of embodiment 2 carries out tomato root-knot eelworm
Experimental design：The plot of root-knot nematode harm is selected, when tomato is transplanted, using the medicament of each processing with reference to correspondence
Consumption carry out ditch spread, nursery is carried out using Seedling bag before tomato transplantation of seedlings, it is unified during height of seedling 25-30cm to transplant, often handle weight
It is multiple 3 times, and a blank control (CK) is set.40d counts the root knot number and pieces of an egg in plant disease index, record root knot after medicine
Number, calculates disease index and preventive effect.The computational methods of the classification of root-knot nematode index, disease index and preventive effect are with experiment 1.Experiment knot
Fruit is shown in Table 3.
The fosthiazate methyl jasmonate granule of table 3 12.0% prevents and treats the field test statistical form of tomato root-knot eelworm
As can be seen from Table 3：40 days after dispenser, nematode granule of the invention is in 1000 grams/acre of preventing and treating tomato roots of consumption
The effect of tie lines worm is more than 83.53%, hence it is evident that be better than single dose, illustrates the nematicide of the present invention and there is obvious synergy to make
With can effectively control the harm of root-knot nematode, reduce the dosage of fosthiazate, reduce cost, delay nematode resistance to develop, have
Beneficial to extension fosthiazate upper life cycle is applied in nematode.
Claims (4)
1. a kind of nematicide containing methyl jasmonate and fosthiazate, it is characterised in that active ingredient is by fosthiazate and jasmonic
Methyl esters is constituted, and the weight ratio of fosthiazate and methyl jasmonate is 1-20:1.
2. nematicide according to claim 1, it is characterised in that the weight ratio of fosthiazate and methyl jasmonate is 5-
10:1。
3. nematicide according to claim 2, it is characterised in that the weight ratio of fosthiazate and methyl jasmonate is 8:1.
4. nematicide according to claim 1, it is characterised in that percentage by weight of the fosthiazate in nematicide be
2.5-15%, percentage by weight of the methyl jasmonate in nematicide is 0.5-5%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710450150.6A CN107087637A (en) | 2017-06-15 | 2017-06-15 | A kind of nematicide containing methyl jasmonate and fosthiazate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107683854A (en) * | 2017-10-24 | 2018-02-13 | 天峨县平昌生态农业有限公司 | A kind of nematicide of containing fluopyram and methyl jasmonate |
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