CN102487968B - Plant source sterilization preparation and application thereof in prevention and treatment of rice sheath blight - Google Patents

Plant source sterilization preparation and application thereof in prevention and treatment of rice sheath blight Download PDF

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Publication number
CN102487968B
CN102487968B CN2011104001936A CN201110400193A CN102487968B CN 102487968 B CN102487968 B CN 102487968B CN 2011104001936 A CN2011104001936 A CN 2011104001936A CN 201110400193 A CN201110400193 A CN 201110400193A CN 102487968 B CN102487968 B CN 102487968B
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preparation
plant source
thymol
sheath blight
source sterilization
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CN102487968A (en
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石志琦
薛延丰
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Jiangsu Academy of Agricultural Sciences
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Jiangsu Academy of Agricultural Sciences
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract

The invention discloses a plant source sterilization preparation which comprises the following components in percentage by weight: 0.1-50% of thymol, 5-30% of emulsifying agent, 0.1-20% of azone, 10-60% of ethanol and 0.1-84.8% of water. The invention also discloses a preparation method of the plant source sterilization preparation and the application of the plant source sterilization preparation in prevention and treatment of rice sheath blight. The effective components of the plant source sterilization preparation based on thymol are from plants with a disinsection function and extracts thereof, thus the plant source sterilization preparation not only can be used for effectively preventing and treating the rice sheath blight, but also has multiple efficacies of promoting the growth and development of plants, increasing the yield and income, improving the quality, improving the nutrient utilization, preventing and treating pests, ensuring no pollution, and the like, and is suitable for the production of non-polluted, green and organic agricultural products. The preparation disclosed by the invention has the advantages of significant application effect, easily available raw materials, simple production process, great market potential, obvious economic benefits and social benefit and very wide application prospect.

Description

A kind of plant resource biocide preparation and the application in preventing and treating rice sheath blight disease thereof
Technical field
The invention belongs in the agricultural production crop disease prevention technical field of curing the disease, be specifically related to a kind of plant resource biocide preparation and the application in preventing and treating rice sheath blight disease thereof.
Background technology
Rice sheath blight disease popular name " flower foot lever ", " mashed pin pest ", " moire disease ", belonging to the torrid zone is disease, is the often property sent out and one of repeating transmission venereal disease evil of paddy rice.The mid-90 in 20th century, the survey showed that to rice district, China south: the onset area of rice sheath blight disease is 2.07 times of rice blast, the loss that causes is 1.97 times of rice blast, the extent of injury takes place considerably beyond rice blast, stripe virus disease etc. in it, become the first disease of paddy rice, bring serious threat for paddy rice stable high yield.Increased by climatic anomaly, soil bacteria amount cumulant, the reasons such as management that prophylactico-therapeutic measures is untimely and the farmland is extensive, it is generally comparatively serious that harm takes place rice sheath blight disease.The incidence of disease is up to about 60%, and the field piece of being injured heavier causes plant normally not ear, and ripening rate reduces, and hollow kernels, or serious lodging have a strong impact on rice yield.Rice sheath blight disease all has distribution in each rice district of China, and the rice district takes place generally on the south the Changjiang river, and harmfulness is also big.Regional northeastward, Liaoning Province takes place heavier, has become one of main disease of local paddy rice.The Heilongjiang Province also takes place in recent years to some extent, and rate of immatured grain increased after the rice strain was injured, and caused lodging if thousand kernel weight reduces, and cauline leaf rots, and then loss is bigger.
In recent decades, people have carried out a series of chemical control technical research in the control of rice sheath blight disease, have obtained certain result.Chemical control to rice sheath blight disease mainly still is based on the chemical pesticide jinggangmeisu at present.Jinggangmeisu is the main pharmacopoeia that prevents and treats rice sheath blight disease, inhales conductivity in this medical instrument has, and have preventive and therapeutic action concurrently, but its lasting period is shorter, and under the serious situation of rice sheath blight disease generation in recent years, the preventive effect of jinggangmeisu is difficult to guarantee especially.The pesticide resistance of using banded sclerotial blight year by year along with chemical pesticide is also increasing gradually simultaneously, and the peasant strengthens the usage amount of agricultural chemicals for this reason, if excessively strengthen consumption, not only can increase persticide residue in the crop, suppress beneficial microbe growth in the soil, and pollute the environment, increase production cost.Thus, agricultural chemicals use and degree of dependence present the vicious circle state.
Along with the frequent generation of food security event, country is to the attention of food security, and the chemical pesticide of developing the alternative high poison of efficient, environmentally friendly botanical biological pesticide, high residue just becomes a focus of research of agricultural science.By the biopesticide of making after the improvement of vegetable source natural compound, to fruit, flower, the Ye Douwu harm of plant, to the person poultry safety, has efficient noresidue, no poisoning, advantages such as the non-resistant property of medicine on the one hand; In the control disease, can effectively improve quality of agricultural product on the other hand.
Summary of the invention
Technical problem to be solved by this invention provides a kind of plant resource biocide preparation based on thymol, and said preparation is a kind of friendly preparation of many effects novel environmental that integrates antibiotic, nutrition, improves quality.
The technical problem that the present invention also will solve provides the preparation method of above-mentioned plant resource biocide preparation based on thymol.
The technical problem that the present invention will solve at last provides the application of above-mentioned plant resource biocide preparation in preventing and treating rice sheath blight disease.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of plant resource biocide preparation, it comprises the component of following percetage by weight: thymol 0.1~50%, emulsifier 5~30%, azone 0.1~20%, ethanol 10~60%, water 0.1~84.8%.
Above-mentioned plant resource biocide preparation preferably comprises the component of following percetage by weight: thymol 0.5~5%, emulsifier 10~20%, azone 1~2%, ethanol 20~40%, water 33~68%.
Wherein, described emulsifier is one or more the mixture in phenethyl phenol polyethenoxy ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, aralkyl phenol polyethenoxy ether phosphate, alkylphenol polyoxyethylene phosphate, alkyl naphthalene sulfonic acid calcium, castor oil ethylene oxide adduct, aralkyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether, alkyl phenol formaldehyde resin polyoxyethylene ether and the dialkyl benzene sulfonic acids calcium.
Above-mentioned thymol can carry out composite with jinggangmeisu and propiconazole.
The preparation method of above-mentioned plant resource biocide preparation, press formula ratio and prepare raw material thymol, emulsifier, azone, second alcohol and water, thymol added mix the formation solution A in the part ethanol, again emulsifier and azone are formed solution B with the dissolving of residue ethanol, then solution A, solution B and water are mixed namely.
Wherein, ethanol uses (being above-mentioned part ethanol and above-mentioned residue ethanol) at twice, the abundant dissolving of each used in amounts raw material that assurance is dissolved, and twice consumption sum is the ethanol raw material total amount of formula ratio.
The application of above-mentioned plant resource biocide preparation in promoting paddy growth.
The application of above-mentioned plant resource biocide preparation in preventing and treating rice sheath blight disease.
Beneficial effect: its effective component of plant resource biocide preparation based on thymol of the present invention derives from plant or its extract with insecticidal function, can not only effectively prevent and treat rice sheath blight disease, have simultaneously promote crop growth, increasing both production and income, improve quality, improve plant recovery of nutrient, pest control, multi-efficiency such as pollution-free, be applicable to nuisanceless, green and organic farm products production.The said preparation effect significantly, raw material are easy to get, and production technology is simple, market potential is big, economic benefit and social benefit are obvious, has very wide application prospect.
Embodiment
According to following embodiment, the present invention may be better understood.Yet, those skilled in the art will readily understand that embodiment is described only to be used for explanation the present invention, and should also can not limit the present invention described in detail in claims.
Embodiment 1:
A kind of plant resource biocide preparation, it comprises the component of following percetage by weight: thymol 1%, emulsifier (emulsifier is the phenethyl phenol polyethenoxy ether) 15%, azone 2%, ethanol 30%, water 52%.
The preparation method of above-mentioned plant resource biocide preparation, press formula ratio and prepare raw material thymol, emulsifier, azone, second alcohol and water, mix the formation solution A in the ethanol with thymol adding 1/4 amount, again emulsifier and azone are formed solution B with the ethanol dissolving that remains 3/4 amount, then solution A, solution B and water are mixed namely.
Embodiment 2:
A kind of plant resource biocide preparation, it comprises the component of following percetage by weight: thymol 2%, emulsifier (emulsifier is that emulsifier is aralkyl phenol polyethenoxy ether phosphate and alkylphenol polyoxyethylene phosphate by weight 1: 1 mixture) 20%, azone 2%, ethanol 40%, water 36%.
The preparation method of above-mentioned plant resource biocide preparation, press formula ratio and prepare raw material thymol, emulsifier, azone, second alcohol and water, mix the formation solution A in the ethanol with thymol adding 1/2 amount, again emulsifier and azone are formed solution B with the ethanol dissolving that remains 1/2 amount, then solution A, solution B and water are mixed namely.
Embodiment 3:
A kind of plant resource biocide preparation, it comprises the component of following percetage by weight: thymol 0.5%, emulsifier (emulsifier is the alkylphenol polyoxyethylene phosphate) 10%, azone 2%, ethanol 30%, water 57.5%.
The preparation method is with embodiment 2.
Embodiment 4:
A kind of plant resource biocide preparation, it comprises the component of following percetage by weight: thymol 0.1%, emulsifier (emulsifier is alkyl naphthalene sulfonic acid calcium and castor oil ethylene oxide adduct by weight 1: 2 mixture) 30%, azone 0.1%, ethanol 60%, water 9.8%.
The preparation method is with embodiment 2.
Embodiment 5:
A kind of plant resource biocide preparation, it comprises the component of following percetage by weight: thymol 50%, emulsifier (emulsifier is aralkyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether and alkyl phenol formaldehyde resin polyoxyethylene ether by weight 1: 2: 1 mixture) 5%, azone 20%, ethanol 10%, water 15%.
The preparation method is with embodiment 2.
Embodiment 6: based on the plant resource biocide preparation of thymol to the promotion of plant growth with to the improvement effect of quality.
Formula I: 1/2Hoagland nutrient solution.
The plant resource biocide preparation of the thymol that formula I I: embodiment 1 makes.
Choose three processing of a field piece design: handle 1: contrast (contrast CK is clear water); Handle 2: formula I; Handle 3: formula I I.Each is handled and repeats 3 times, and treatment fluid sprays once every 10d, analyzes after company sprays 5 times.
Table 1 different disposal is to the influence of the relevant yield index of paddy rice
Figure BDA0000116576150000041
As shown in Table 1, handle back paddy rice spike number, Dan Suichong, thousand kernel weight, ripening rate and output in formula I and increased by 4.7%, 9.9%, 10.4%, 8.1% and 12.5% than contrast respectively; Formula I I handles back paddy rice spike number, Dan Suichong, thousand kernel weight, ripening rate and output has increased by 13.4%, 32.3%, 23.1%, 12.8% and 23.8% than contrast respectively.
As can be known, handle best to the paddy growth effect with formula I I on having.
Embodiment 7: based on the plant resource biocide preparation of thymol at the preventive and therapeutic effect to the crop rice sheath blight disease.
Formula I: 5% jinggangmeisu aqua.
The plant resource biocide preparation of the thymol that formula I I: embodiment 1 makes.
Choose four processing of morbidity field piece design: handle 1: contrast (contrast CK is clear water); Handle 2: formula I; Handle
3: formula I I.Each is handled and repeats 3 times, and treatment fluid sprays once every 7d, analyzes after company sprays 3 times.
Assay method:
The mensuration of disease index and control efficiency: with reference to Dou Rui flitch method.(Dou Rui wood .3 plants endogenetic bacterium is to the control efficiency of graw mold of tomato. the Henan agricultural science, and 2010,4:77-79.)
As shown in Table 2, on paddy rice, formula I is 48.38% to the preventive effect of rice sheath blight disease; The preventive effect of the rice sheath blight disease of formula I I is 77.22%.
As from the foregoing, handle best to the control efficiency of rice sheath blight disease on the paddy rice with formula I I.
Table 2 different disposal is to the rice sheath blight disease controlling effect

Claims (1)

1. the application of plant resource biocide preparation in promoting paddy growth;
Described plant resource biocide preparation comprises the component of following percetage by weight: thymol 0.1~50%, emulsifier 5~30%, azone 0.1~20%, ethanol 10~60%, water 0.1~84.8%;
Wherein, described emulsifier is one or more the mixture in phenethyl phenol polyoxyethylene poly-oxygen propylene aether, aralkyl phenol polyethenoxy ether phosphate, alkylphenol polyoxyethylene phosphate, alkyl naphthalene sulfonic acid calcium, castor oil ethylene oxide adduct, aralkyl phenol polyethenoxy ether, fatty alcohol-polyoxyethylene ether, alkyl phenol formaldehyde resin polyoxyethylene ether and the dialkyl benzene sulfonic acids calcium.
CN2011104001936A 2011-12-06 2011-12-06 Plant source sterilization preparation and application thereof in prevention and treatment of rice sheath blight Expired - Fee Related CN102487968B (en)

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CN104521956A (en) * 2014-11-28 2015-04-22 南京绿仙子生物技术有限公司 Plant-sourced bactericidal preparation and application thereof in controlling paddy rice blast
CN105076236A (en) * 2015-08-10 2015-11-25 谢绪叶 Fungicide containing propiconazole and scutellaria baicalensis
CN112616835B (en) * 2020-12-30 2022-11-15 南京绿仙子生物技术有限公司 Compound cadmium reduction preparation and application thereof in reducing content of heavy metal cadmium in rice and wheat grains

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