CN102626087B - Kasugamycin and tebuconazole compounded bactericide - Google Patents
Kasugamycin and tebuconazole compounded bactericide Download PDFInfo
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- CN102626087B CN102626087B CN201210062290.3A CN201210062290A CN102626087B CN 102626087 B CN102626087 B CN 102626087B CN 201210062290 A CN201210062290 A CN 201210062290A CN 102626087 B CN102626087 B CN 102626087B
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Abstract
The invention discloses a kasugamycin and tebuconazole compounded bactericide and belongs to the technical field of pesticides. The kasugamycin and tebuconazole compounded bactericide contains, by weight, 0.1-50% of kasugamycin and 0.1-70% of tebuconazole. By the complex formulation of kasugamycin and tebuconazole, the above kasugamycin and tebuconazole compounded bactericide has a good control effect and its control rate can reach more than 96% through a field experiment; the bactericide has strong persistence and is used to control and treat paddy rice and wheat magnaporthe grisea; after the bactericide is used for 14 days, its control rate can reach more than 90%.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of kasugarnycin and Tebuconazole composite bactericide that can be used for preventing and treating the various crop diseases such as rice blast.
Background technology
Rice blast claims again rice blast, burns pest, the pest of kowtowing.Be distributed in national Ge Dao district, the blade of mainly causing harm, stem stalk, fringe portion.Because of the period of causing harm, position difference, be divided into seedling pest, leaf pest, joint pest, panicle blast, grain pest.Rice blast is one of important disease of paddy rice, can cause the significantly underproduction, the underproduction 40%～50% when serious, and even No kernels or seeds are gathered, as in a year of scarcity.All there is generation in Ge Dao district, the world.All there is generation Ben Bing China various places, wherein with leaf portion, joint portion, occur as manyly, after generation, can cause the underproduction in various degree, and especially panicle blast or joint pest occur early and weigh, can cause dead ears so that have no harvest.In recent years, Guangdong rice blast year area occurs and be no less than 500,000 mu, and occur increasing year by year trend, local great outburst is much, and at present, rice blast may occur in any days in province territory, any season.For the control of China's rice blast, 20% Tricyclazole, 40% Hinosan emulsion, 50% carbendazim or 50% thiophanate-methyl wetting powder etc. are in premorbid or their early stage spraying control.But the common defect of alone this series bactericidal agent when control rice blast is that control efficiency is not so good, also less stable.Because rice blast needs only temperature in rice plant of tillering stage to the maturing stage of earing, humidity is suitable, all can occur, emergence period is long, and the control efficiency of control medicament is also not ideal, so need repeatedly, dosage sprays medicine, to maintain the control effect to rice blast.Increased like this peasant's production cost, also strengthened environmental influence, also agricultural product quality has been formed to considerable influence simultaneously.
Kasugarnycin is agricultural antibiotic series bactericidal agent, has very strong interior suction permeability, has preventive and therapeutic action simultaneously, and its therapeutic action is more remarkable.The mechanism of action of kasugarnycin is to disturb the esterase system of pathogen metabolism of amino acid; destroy the biosynthesis of protein; the growth that suppresses mycelia also causes cell granulations, makes pathogen lose breeding and infection ability, thereby reaches kill pathogenic bacteria, prevent and treat the object of disease.As a kind of biopesticide, kasugarnycin control rice blast has special efficacy.Through domestic rice industry, use for many years, preventive effect is general all more than 85%, and some places are up to 90%.Kasugarnycin is not only for preventing and treating rice blast, and also, for preventing and treating cladosporium leaf and fruit mould of tomato, canker, angular leaf spot of cucumber, fusarium wilt, anthracnose, citrus ulcer, bacterial spot of pepper etc., effect is fairly obvious.Particularly because it is nontoxic to people and animals, noresidue, pollution-free, meet modern environmental requirement, being applicable to producing the pollution-free foods such as vegetables uses, be favourably welcome, by GFDC, be recommended as AA level pollution-free food production data, by the Ministry of Agriculture, classified as Agricultural product without pollution and recommend agricultural chemicals, by Shanghai City, classified as the first-elected bactericide of Vegetable Standardization engineering.Equal this agricultural chemicals of import such as Japan, every country in Southeast Asia, South America abroad, in November, 2000 is on Bangkok, THA " 21 century farming and animal husbandry scientific and technological achievement fair ", kasugarnycin is won outstanding product Golden Elephant prize, in March, 2008, kasugarnycin, two kinds of biopesticides of Avermectin are assessed as Chinese brand name product by the Chinese Famous Brand Strategy propelling committee.
A large amount of biological activity research show: Tebuconazole (Tebuconazole) is to belong to triazole bactericidal agent, it is sterol demethylation inhibitor, its bactericidal mechanism, for suppressing the demethylation of ergosterol on pathogen cell membrane, makes pathogen cannot form cell membrane, thus kill pathogenic bacteria.Be for the seed treatment of Important Economic crop or the efficient germicide of foliage spray, can effectively prevent and treat Erysiphe, Puccinia, Rhynchosporium spp．, nuclear cavity Pseudomonas and the germ disease of Septoria of cereal crop.Tebuconazole is a kind of efficient, wide spectrum, interior absorption triazole bactericidal agent, has protection, treats, roots out three large functions, and fungicidal spectrum is wide, the lasting period is long.This product not only preventive effect is good, and have resistant to lodging, the feature such as production-increasing function is obvious.Become one of emerging broad-spectrum germicide Representative Cultivars of widely used triazole type in the world.Tebuconazole belongs to low toxicity bactericide, under experimental condition, has no teratogenesis, carcinogenic, mutagenesis.
But while using separately kasugarnycin or Tebuconazole, exist lasting effect short, the shortcoming such as taking effect property is slow.
Summary of the invention
The problem existing for prior art, the object of the invention is to that design provides that a kind of lasting effect is long, control efficiency good, quick-acting fast and control rice blast kasugarnycin that cost is low and the technical scheme of Tebuconazole composite bactericide.
Described a kind of kasugarnycin and Tebuconazole composite bactericide, is characterized in that containing kasugarnycin 0.1～50%, Tebuconazole 0.1～70%.
Described a kind of kasugarnycin and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 0.5～45%, the content of Tebuconazole is 0.5～65%.
Described a kind of kasugarnycin and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 0.5～40%, the content of Tebuconazole is 0.5～40%.
Described a kind of kasugarnycin and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 0.5～30%, the content of Tebuconazole is 1～30%.
Described a kind of kasugarnycin and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 1～20%, the content of Tebuconazole is 2～25%.
Described a kind of kasugarnycin and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 1～15%, the content of Tebuconazole is 2～20%.
Described a kind of kasugarnycin and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 2～10%, the content of Tebuconazole is 2～15%.
Described kasugarnycin is known substance, by Yanbian, Jilin Province spring thunder Bioceuticals Inc., is produced and is provided.
Described Tebuconazole is produced and provides for known substance ，You Jiangsu Jiannong Agrochemical Co., Ltd..
Described a kind of kasugarnycin and Tebuconazole composite bactericide can be mixed with the conventional formulations of pesticide with existing conventional auxiliary agent and filling, as wetting powder, suspending agent etc.
Described a kind of kasugarnycin and Tebuconazole composite bactericide for the method for preventing and treating rice blast are: at rice blast initial stage of origination, according to the consumption of 10～600 grams of kasugarnycin in per hectare and Tebuconazole total amounts, be watered 450～900 kilograms of thick mists of spray.
Together with above-mentioned a kind of kasugarnycin is composite with Tebuconazole by kasugarnycin with Tebuconazole composite bactericide, control efficiency is good, through its control rate of field trial, can reach more than 96%; Continuation is strong, and after control paddy rice, the medication of wheat rice blast 14 days, its control rate can reach more than 90%.
The proportioning relating in the present invention is the percentage by weight of the pure material of active ingredient.
Embodiment
By the following specific examples further illustrate the invention.Recompounded pesticide of the present invention can adopt following proportioning to produce:
Formula one: kasugarnycin 0.1%, Tebuconazole 70%.
Formula two: kasugarnycin 0.5%, Tebuconazole 65%.
Formula three: kasugarnycin 0.5%, Tebuconazole 40%.
Formula four: kasugarnycin 1%, Tebuconazole 25%.
Formula five: kasugarnycin 3%, Tebuconazole 8%.
Formula six: kasugarnycin 4%, Tebuconazole 11%.
Formula seven: kasugarnycin 6%, Tebuconazole 14%.
Formula eight: kasugarnycin 7%, Tebuconazole 18%.
Formula nine: kasugarnycin 20%, Tebuconazole 10%.
Formula ten: kasugarnycin 45%, Tebuconazole 0.5%.
Fill a prescription 11: kasugarnycin 50%, Tebuconazole 0.1%.
Configuration technique is:
One, wetting powder mixes kasugarnycin and Tebuconazole according to the above ratio, then adds conventional auxiliary agent dodecyl sodium naphthalene sulfonate, bitter edible plant sulfonic acid and formaldehyde, white carbon, fine particle calcium carbonate etc., after fully mixing, after ultra-fine pulverizer disintegrating, has both obtained wetting powder.
Two, suspending agent mixes kasugarnycin and Tebuconazole according to the above ratio, then adds conventional auxiliary agent methyl naphthalene sulfonate formaldehyde condensate, White Carbon black, ethylene glycol, silicone, water, in sand mill, mills, and has both obtained suspending agent.
Test example
One, in vitro biological activity test
In vitro biological activity determination all adopts toxic dielectric method, in PD^ medium, adds respectively quantitative reagent agent (test dose is by active ingredient), and cooling rear inoculation test pathogen is cultivated under 25 ℃ of dark conditions.When blank colony diameter grows to 40～50mm, measure respectively the colony growth diameter of different disposal, calculate bacteriostasis rate and ECso value that each is processed.Result of the test: the in vitro biologically active of mixture, apparently higher than two contrast single doses, has obvious synergistic effect, refers to example 1-4.
Example 1 rice blast control
Example 2 rice blast controls
Example 3 rice blast controls
Example 4 rice blast controls
Through test, other formulas in the present invention carry out in vitro biological activity determination, also can reach the technique effect identical with formula three, five, seven, nine.
Two, field control effect test
Under test field condition, carry out the agricultural production routinely of the cultivation management of trial crops.The reagent agent that field efficacy is measured is all established 3 dosage, establishes the blank of not dispenser, repeats for 4 times.Conventionally in medicament, active constituent content is expressed as g/hm
2(gram/ha).Test is not fallen ill in field or their early stage dispenser, and spraying equipment is knapsack hand sprayer.Natural occurrence is carried out result investigation when the blank of not dispenser is fully fallen ill.
Disease scale, preventive effect computational methods are all carried out State Standard of the People's Republic of China's ［ pesticide field efficacy medicine test criterion
?.Result of the test shows that kasugarnycin and Tebuconazole composite bactericide have very excellent preventive and therapeutic effect to disease, refer to example 5-8.
The field efficacy of example 5 65.5% WP on Rice rice blast (filling a prescription two)
The field efficacy of example 6 26% WP on Rice rice blast (filling a prescription four)
Example 7 15% suspending agents are to the field efficacy of rice blast (filling a prescription six)
The field efficacy of example 8 45.5% WP on Rice rice blast (filling a prescription ten)
Through test, other formulas in the present invention carry out field control effect test, also can reach the technique effect identical with formula two, four, six, ten.
Claims (6)
1. kasugarnycin and a Tebuconazole composite bactericide, is characterized in that active ingredient is kasugarnycin and Tebuconazole, and the content of kasugarnycin is 0.5～40%, and the content of Tebuconazole is 0.5～40%.
2. a kind of kasugarnycin as claimed in claim 1 and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 0.5～30%, the content of Tebuconazole is 1～30%.
3. a kind of kasugarnycin as claimed in claim 1 and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 1～20%, the content of Tebuconazole is 2～25%.
4. a kind of kasugarnycin as claimed in claim 1 and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 1～15%, the content of Tebuconazole is 2～20%.
5. a kind of kasugarnycin as claimed in claim 1 and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 2～10%, the content of Tebuconazole is 2～15%.
6. a kind of kasugarnycin as claimed in claim 1 and Tebuconazole composite bactericide, the content that it is characterized in that kasugarnycin is 4～8%, the content of Tebuconazole is 5～15%.
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| CN201210062290.3A CN102626087B (en) | 2012-03-12 | 2012-03-12 | Kasugamycin and tebuconazole compounded bactericide |
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| CN201210062290.3A CN102626087B (en) | 2012-03-12 | 2012-03-12 | Kasugamycin and tebuconazole compounded bactericide |
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| CN102626087A CN102626087A (en) | 2012-08-08 |
| CN102626087B true CN102626087B (en) | 2014-03-12 |
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| CN103404534B (en) * | 2013-08-16 | 2014-10-22 | 陕西绿盾生物制品有限责任公司 | Pesticide composition containing tebuconazole and nikkomycins |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828564A (en) * | 2010-06-02 | 2010-09-15 | 陕西上格之路生物科学有限公司 | Agricultural sterilizing composite containing thifluzamide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828564A (en) * | 2010-06-02 | 2010-09-15 | 陕西上格之路生物科学有限公司 | Agricultural sterilizing composite containing thifluzamide |
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Address after: 311500, No. 311, Tanggu Road, Tonglu County, Hangzhou, Zhejiang Patentee after: ZHEJIANG TONGLU HUIFENG BIOSCIENCE CO., LTD. Address before: 311500, No. 311, Tanggu Road, Tonglu County, Hangzhou, Zhejiang Patentee before: Zhejiang Tonglu Huifeng Biochemistry Co., Ltd. |