CN102369956A - Plant essential oil containing agricultural fungicide and sterilization applications thereof - Google Patents
Plant essential oil containing agricultural fungicide and sterilization applications thereof Download PDFInfo
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Abstract
The invention relates to a plant essential oil containing agricultural fungicide and sterilization applications thereof, which are characterized in that the plant essential oil containing agricultural fungicide contains 5-90% of insecticidal active-ingredient plant essential oil, 5-90% of a solvent, and 5-90% of a pesticide adjuvant by weight, wherein the plant essential oil is one or a mixture of wintergreen oil, camphor tree oil, caryophyllus oil, peppermint oil, eucalyptus oil, citionella oil or tea tree oil, the solvent is one or a mixture of formic acid, acetic acid, propionic acid, methanol, ethanol or propanol, and the pesticide adjuvant is one or a mixture of dodecylbenzene sulfonic acid, twain-80, span-80 (SPAN) or OP-10. The prepared preparation has low toxicity to animals and good environmental compatibility, is environmentally friendly, has effects in each living stage of pests and can not have resistance easily, therefore, the sterilization effect is good; and, the preparation has simple use method and low manufacturing cost, and is suitable for the sterilization of various crops.
Description
Technical field
The invention belongs to technical field of pesticide preparations, be specially a kind of disinfectant use in agriculture and germicidal applications thereof that contains plants essential oil.
Background technology
Botanical pesticide is meant that active component derives from one type of agricultural chemicals of plant, promptly with plant corpus itself or the agricultural chemicals that processes with the various physiological activators that have " agricultural chemicals " in the plant.It is the same with chemical pesticide, mainly is divided into insecticide, bactericide, plant growth regulator etc.Divide by its active component, mainly comprise phytotoxin, plant endogenous hormones, botanical insect hormone, allelopathic substances and sozin.Should be used for seeing have two types from it, the one, direct utilization, promptly with the crude extract of plant corpus or plant corpus as desinsection, antibiotic and kill mite etc.; The 2nd, indirect utilization is found active lead compound from plant corpus, and as template, modifies, analogizes the synthetic similar active compound that has.At present; The formal botanical pesticide of registering of China has 16 kinds, and manufacturer reaches 46 families, mainly comprises nicotine, matrine, rotenone, pyrethrins, wooden nicotine, fennel artemisin, jervine, Celastrus angulatus, chinaberry element, stemonine, anabasine, S-Ethyl ethylthio sulfonate etc.; These overwhelming majority are insecticides; Bactericide only accounts for sub-fraction, and therefore, the botanical fungicide of developing agricultural purposes is the product that presses for very much.
The active ingredient of sterilization is mainly essential oil in the higher plant, and essential oil is the compound of ester, aldehyde, ketone and terpenes, also has tannin, flavonoids, steroidal class, organic acid, protein etc. also to have antibacterial activity in addition.Someone discovers that the extract of plants such as tobacco, tea cake, trifoliate jewelvine, thunder godvine can suppress the germination and the growth of some germ spore, or stops germ to invade plant.Citral in the discoverys cubeb litsen tree volatile oil such as a variety of millet figured woven silk material age is the active ingredient of inhibition Fusarium oxysporum, the spore bacterium that wriggles, lattice spore chamber bacteria growing; And tangible preservation is arranged; From mangrove olive Lee of area, Hong Kong, extracting the tannin that is separated to is antibacterial important activity composition, and other flavones, fat etc. also have some bacteriostasis; Yang Zhengmin etc. are separated to resorcinol, thymol, 1 α from the Celastrus angulatus arillus, 2 α, and 4 β, 6 β, 8 α, 9 β, 13-hydroxyl dihydroagarofuran has better inhibitory action to corn southern leaf blight; Bear is healed, and separation obtains flavonoids to brightness from the fruit of glossy privet through testing; Discovery fruit of glossy privet ethanol extracts such as Wang Shutong have showed extremely strong inhibitory action to the botrytis cinerea conidia germination; It is active that the discovery barks of official magnolia such as Zhao Chunsen fallen leaves crude extract all has a stronger inhibition to the various plants disease fungus, and concentration in the inhibition (EC50) and potted plantly all demonstrates the better prevention effect with field experiment all in 100mg/kg.Through separation, purifying and evaluation, find that bacteriostatic activity material wherein is magnolol and honokiol.Abroad, usefulness fennel wormwood artemisia (Chrysanthemum coronarium) flower essential oils such as Alvarez-Castellanos carry out antibacterial tests to 12 plant species pathogens, all show antifungal activity; Dev etc. studied 16 kinds of aromatics under isolated condition to the inhibitory action of 5 kinds of seed disease funguses of the mould grade of wheat class root-rot De Shi, discover in the plant fragrance composition that 6 kinds of compounds have had strong inhibitory effects to the mycelial growth of 5 kinds of seed disease funguses of the mould grade of wheat class root-rot De Shi; Isolated 3 kinds of new naphthoquinones-revandchinone-1, revandchinone-3 and revandchinone-4 from Rheum emodi (Rheum emodi) such as Suresh have activity to RhizopusOryzae and Asperigillus Niger; Roxana etc. have reported and from the tomato ripening fruits, have isolated the invertase CKIs, and shown the bacteriostatic activity to Polyporaceae artist's conk 8 plant species disease funguses such as (Ganoderma applanatum) and sarson bacillus 5 plant species pathogenetic bacterias such as (Xanthomonas campestris); Ratuayake isolates the chromene with antibacterial activity from Eupatoricum Riparicum; Benner and Tahara find that a kind of sequiterpene in the dandelion has antibacterial activity.
Summary of the invention
To the problems referred to above that exist in the prior art; The object of the present invention is to provide a kind of low toxicity, no extended residual, environmentally safe, the biopesticide preparation that kills the mite good disinsection effect; Its manufacture process environmental protection, method for using are simple, and consumption is low, can be applicable to various crop.
Described a kind of disinfectant use in agriculture that contains plants essential oil and preparation method thereof; It is characterized in that containing active insecticidal components plants essential oil 5-90%; Solvent 5-90%; Insecticides adjuvant 5-90%, described plants essential oil are one or more mixtures of wintergreen, camphor tree oil, caryophyllus oil, peppermint oil, eucalyptus oil, citronella oil or tea oil, and described solvent is formic acid, acetate, propionic acid; One or more mixtures of methyl alcohol, ethanol or propyl alcohol, described insecticides adjuvant are one or more mixtures of DBSA, Tween-80, Si Ban-80 (SPAN) or OP-10.
Described plants essential oil content is 20-70%, preferred 30-50%.
Described solvent is 16-65%, preferred 20-40%.
Described insecticides adjuvant content is 8-15%, preferred 10-14%.
Above-mentioned a kind of disinfectant use in agriculture that contains plants essential oil can be used for preventing and treating head blight, rot, stalk break, rice blast, leaf blight, early blight, anthracnose, fusarium wilt, gray mold, scab, brown spot, Alternaria, rhizoctonia, anthrachose of grape, Botrytis cinerea, sickle-like bacteria, helminthosporium maydis, powdery mildew, false smut, banded sclerotial blight or downy mildew.
Disinfectant use in agriculture of the present invention is main active with the plants essential oil, and as the auxiliary activity composition solvent of holding concurrently, the preparation that makes is low to animal toxicity with solvent; Environmental compatibility is good; Environmentally safe, all effective and difficult resistance that produces to each life stage of insect, bactericidal effect is good; And method for using is simple, and low cost of manufacture is applicable to the sterilization of various crop.
The present invention finds only to have the essential oil of small number of kinds to have higher agriculture bactericidal activity from numerous plants essential oils, for example: wintergreen, camphor tree oil, caryophyllus oil, peppermint oil, eucalyptus oil, citronella oil or tea oil; And find; Also very big to the bactericidal activity difference in size of different agriculture pathogens with a kind of essential oil, the present invention has only announced that the target that active size can reach the industrial applicibility aspect has: head blight, rot, stalk break, rice blast, leaf blight, early blight, anthracnose, fusarium wilt, gray mold, scab, brown spot, Alternaria, rhizoctonia, anthrachose of grape, Botrytis cinerea, sickle-like bacteria, helminthosporium maydis, powdery mildew, false smut, banded sclerotial blight or downy mildew etc.
Embodiment
Combine the embodiments of the invention and the test of pesticide effectiveness at present, further specify effect of the present invention, percentage composition is weight percentage in the present specification.
Embodiment 1
In the 1000L agitated reactor, drop into wintergreen 25kg, formic acid 450kg stirs, and after whole dissolvings, slowly drops into 25kg emulsifier DBSA again, stir, finished product wintergreen preparation.
Embodiment 2
In the 1000L agitated reactor, drop into camphor tree oil 25kg, ethanol 25kg stirs, and after whole dissolvings, slowly drops into 450kg emulsifier tween-80 again, stir, finished product camphor tree oil formulation.
Embodiment 3
In the 1000L agitated reactor, drop into caryophyllus oil 450kg, acetate 25kg stirs, and after whole dissolvings, slowly drops into 25kg emulsifier neopelex again, stir, finished product caryophyllus oil preparation.
Embodiment 4
In the 1000L agitated reactor, drop into peppermint oil 300kg, methyl alcohol 100kg stirs, and after whole dissolvings, slowly drops into the 100kg emulsifier op-10 again, stir, the finished product menthence preparation.
Embodiment 5
In the 1000L agitated reactor, drop into eucalyptus oil 100kg, double solvents 325kg (methyl alcohol 125kg+ acetate 200kg) stirring; Composite pesticide auxiliary agent 75kg (Si Ban-80 25kg+ Tween-80 50kg); Stir, finished product tea tree citronella oil composite plant essential oil preparation.
Embodiment 6
In the 1000L agitated reactor, drop into citronella oil 150kg, double solvents 300kg (methyl alcohol 100kg+ acetate 200kg) stirring; Composite pesticide auxiliary agent 50kg (Si Ban-80 20kg+ Tween-80 10kg+OP-10 10kg+ DBSA 10kg); Stir, the fragrant lemon composite plant of finished product tea essential oil preparation.
Embodiment 7
In the 1000L agitated reactor, drop into tea oil 350kg, double solvents 80kg (methyl alcohol 20kg+ ethanol 30kg+ formic acid 10kg+ acetate 15kg+ propionic acid 5kg) stirring; Composite pesticide auxiliary agent 70kg (Si Ban-80 50kg+ Tween-80 10kg+OP-10 5kg+ DBSA 5kg); Stir, the fragrant lemon eucalyptus of finished product tea composite plant essential oil preparation.
Embodiment 8
In the 1000L agitated reactor, drop into plants essential oil 200kg (wintergreen 20kg+ camphor tree oil 30kg+ caryophyllus oil 30kg+ peppermint oil 30kg+ eucalyptus oil 30kg+ citronella oil 30kg+ tea oil 30kg), double solvents 250kg (methyl alcohol 50kg+ ethanol 100kg+ propyl alcohol 50kg+ formic acid 20kg+ acetate 20kg+ propionic acid 10kg) stirring; Composite pesticide auxiliary agent 50kg (Si Ban-80 20kg+ Tween-80 10kg+OP-10 10kg+ DBSA 10kg); Stir, the fragrant lemon eucalyptus of finished product tea composite plant essential oil preparation.
The control efficiency of above-mentioned disinfectant use in agriculture below is described through test.
1. gibberella saubinetii:
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.23LgX+0.15 | 0.93 | 0.02 | 33.25 |
| Embodiment 2 | Y＝0.21LgX+0.18 | 0.94 | 0.03 | 33.4 |
| Embodiment 3 | Y＝0.12LgX+0.28 | 0.95 | 0.04 | 68.13 |
| Embodiment 4 | Y＝0.15LgX+0.18 | 0.91 | 0.05 | 135.9 |
| Embodiment 5 | Y＝0.16LgX+0.21 | 0.90 | 0.05 | 64.94 |
| Embodiment 6 | Y＝0.26LgX+0.20 | 0.97 | 0.02 | 14.25 |
| Embodiment 7 | Y＝0.22LgX+0.22 | 0.95 | 0.02 | 18.74 |
| Embodiment 8 | Y＝0.17LgX+0.18 | 0.94 | 0.04 | 76.27 |
2. apple canker:
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.16LgX+0.23 | 0.94 | 0.05 | 48.70 |
| Embodiment 2 | Y＝0.18LgX+0.25 | 0.92 | 0.05 | 24.48 |
| Embodiment 3 | Y＝0.22LgX+0.12 | 0.98 | 0.04 | 53.37 |
| Embodiment 4 | Y＝0.25LgX+0.15 | 0.92 | 0.05 | 25.12 |
| Embodiment 5 | Y＝0.27LgX+0.16 | 0.95 | 0.01 | 18.17 |
| Embodiment 6 | Y＝0.26LgX+0.23 | 0.95 | 0.02 | 10.93 |
| Embodiment 7 | Y＝0.29LgX+0.28 | 0.96 | 0.04 | 5.74 |
| Embodiment 8 | Y＝0.18LgX+0.23 | 0.95 | 0.05 | 31.62 |
3. sclerotinia rot of colza:
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.32LgX+0.15 | 0.96 | 0.02 | 12.41 |
| Embodiment 2 | Y＝0.23LgX+0.15 | 0.97 | 0.01 | 33.25 |
| Embodiment 3 | Y＝0.15LgX+0.23 | 0.98 | 0.03 | 63.1 |
| Embodiment 4 | Y＝0.22LgX+0.18 | 0.94 | 0.05 | 28.48 |
| Embodiment 5 | Y＝0.18LgX+0.18 | 0.99 | 0.01 | 59.95 |
| Embodiment 6 | Y＝0.18LgX+0.19 | 0.98 | 0.03 | 52.75 |
| Embodiment 7 | Y＝0.3LgX+0.21 | 0.99 | 0.00 | 9.261 |
| Embodiment 8 | Y＝0.18LgX+0.25 | 0.96 | 0.04 | 24.48 |
4. rice blast:
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.16LgX+0.26 | 0.94 | 0.04 | 31.62 |
| Embodiment 2 | Y＝0.17LgX+0.28 | 0.93 | 0.04 | 19.68 |
| Embodiment 3 | Y＝0.25LgX+0.12 | 0.95 | 0.03 | 33.11 |
| Embodiment 4 | Y＝0.22LgX+0.10 | 0.92 | 0.05 | 65.79 |
| Embodiment 5 | Y＝0.25LgX+0.08 | 0.95 | 0.03 | 47.86 |
| Embodiment 6 | Y＝0.24LgX+0.25 | 0.94 | 0.04 | 11.01 |
| Embodiment 7 | Y＝0.26LgX+0.31 | 0.96 | 0.02 | 5.38 |
| Embodiment 8 | Y＝0.18LgX+0.24 | 0.97 | 0.02 | 27.83 |
5. the corn northern leaf blight:
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.18LgX+0.23 | 0.94 | 0.04 | 31.62 |
| Embodiment 2 | Y＝0.13LgX+0.25 | 0.95 | 0.04 | 83.77 |
| Embodiment 3 | Y＝0.13LgX+0.23 | 0.97 | 0.03 | 119.4 |
| Embodiment 4 | Y＝0.13LgX+0.22 | 0.95 | 0.05 | 142.5 |
| Embodiment 5 | Y＝0.14LgX+0.20 | 0.97 | 0.02 | 138.90 |
| Embodiment 6 | Y＝0.14LgX+0.23 | 0.94 | 0.04 | 84.83 |
| Embodiment 7 | Y＝0.15LgX+0.29 | 0.97 | 0.02 | 25.12 |
| Embodiment 8 | Y＝0.17LgX+0.21 | 0.95 | 0.05 | 50.80 |
6. early blight of tomato:
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.19LgX+0.24 | 0.94 | 0.03 | 23.36 |
| Embodiment 2 | Y＝0.25LgX+0.18 | 0.96 | 0.03 | 19.05 |
| Embodiment 3 | Y＝0.28LgX+0.33 | 0.95 | 0.04 | 4.047 |
| Embodiment 4 | Y＝0.25LgX+0.14 | 0.95 | 0.04 | 27.54 |
| Embodiment 5 | Y＝0.28LgX+0.26 | 0.97 | 0.02 | 7.197 |
| Embodiment 6 | Y＝0.25LgX+0.24 | 0.96 | 0.04 | 10.96 |
| Embodiment 7 | Y＝0.33LgX+0.34 | 0.98 | 0.01 | 3.054 |
| Embodiment 8 | Y＝0.24LgX+0.23 | 0.97 | 0.02 | 13.34 |
7. cucumber anthracnose:
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.22LgX+0.23 | 0.95 | 0.03 | 16.88 |
| Embodiment 2 | Y＝0.21LgX+0.20 | 0.96 | 0.02 | 26.83 |
| Embodiment 3 | Y＝0.20LgX+0.15 | 0.97 | 0.03 | 56.23 |
| Embodiment 4 | Y＝0.19LgX+0.17 | 0.95 | 0.02 | 54.56 |
| Embodiment 5 | Y＝0.18LgX+0.16 | 0.95 | 0.04 | 77.43 |
| Embodiment 6 | Y＝0.23LgX+0.14 | 0.94 | 0.05 | 36.75 |
| Embodiment 7 | Y＝0.22LgX+0.15 | 0.93 | 0.05 | 38.99 |
| Embodiment 8 | Y＝0.25LgX+0.08 | 0.95 | 0.04 | 47.86 |
8. cucumber fusarium axysporum:
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.18LgX+0.22 | 0.94 | 0.05 | 35.94 |
| Embodiment 2 | Y＝0.15LgX+0.19 | 0.97 | 0.03 | 116.6 |
| Embodiment 3 | Y＝0.14LgX+0.19 | 0.96 | 0.04 | 163.8 |
| Embodiment 4 | Y＝0.13LgX+0.24 | 0.95 | 0.04 | 100 |
| Embodiment 5 | Y＝0.16LgX+0.26 | 0.97 | 0.01 | 31.62 |
| Embodiment 6 | Y＝0.18LgX+0.26 | 0.96 | 0.04 | 21.54 |
| Embodiment 7 | Y＝0.23LgX+0.21 | 0.97 | 0.02 | 18.23 |
| Embodiment 8 | Y＝0.16LgX+0.23 | 0.96 | 0.03 | 48.7 |
9. graw mold of tomato
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.19LgX+0.18 | 0.94 | 0.05 | 48.33 |
| Embodiment 2 | Y＝0.16LgX+0.19 | 0.92 | 0.04 | 86.60 |
| Embodiment 3 | Y＝0.15LgX+0.28 | 0.95 | 0.03 | 29.29 |
| Embodiment 4 | Y＝0.19LgX+0.21 | 0.97 | 0.02 | 33.60 |
| Embodiment 5 | Y＝0.21LgX+0.20 | 0.98 | 0.01 | 26.83 |
| Embodiment 6 | Y＝0.23LgX+0.18 | 0.94 | 0.05 | 24.62 |
| Embodiment 7 | Y＝0.19LgX+0.25 | 0.95 | 0.04 | 20.69 |
| Embodiment 8 | Y＝0.16LgX+0.24 | 0.93 | 0.05 | 42.17 |
10. pear scab
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.15LgX+0.20 | 0.94 | 0.05 | 100 |
| Embodiment 2 | Y＝0.13LgX+0.22 | 0.93 | 0.05 | 142.5 |
| Embodiment 3 | Y＝0.14LgX+0.19 | 0.95 | 0.04 | 163.8 |
| Embodiment 4 | Y＝0.15LgX+0.17 | 0.94 | 0.05 | 158.5 |
| Embodiment 5 | Y＝0.18LgX+0.14 | 0.94 | 0.05 | 100 |
| Embodiment 6 | Y＝0.16LgX+0.15 | 0.96 | 0.04 | 154 |
| Embodiment 7 | Y＝0.18LgX+0.24 | 0.97 | 0.04 | 27.83 |
| Embodiment 8 | Y＝0.16LgX+0.17 | 0.96 | 0.03 | 115.5 |
11. Brown Spot of Pine Needles
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.18LgX+0.21 | 0.93 | 0.05 | 40.84 |
| Embodiment 2 | Y＝0.19LgX+0.21 | 0.95 | 0.04 | 33.6 |
| Embodiment 3 | Y＝0.18LgX+0.21 | 0.98 | 0.02 | 40.84 |
| Embodiment 4 | Y＝0.21LgX+0.19 | 0.97 | 0.03 | 29.94 |
| Embodiment 5 | Y＝0.19LgX+0.23 | 0.96 | 0.04 | 26.37 |
| Embodiment 6 | Y＝0.22LgX+0.23 | 0.97 | 0.03 | 16.88 |
| Embodiment 7 | Y＝0.31LgX+0.14 | 0.97 | 0.04 | 14.50 |
| Embodiment 8 | Y＝0.17LgX+0.23 | 0.98 | 0.03 | 38.75 |
12. Alternaria
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.14LgX+0.21 | 0.95 | 0.04 | 117.9 |
| Embodiment 2 | Y＝0.18LgX+0.18 | 0.96 | 0.03 | 59.95 |
| Embodiment 3 | Y＝0.16LgX+0.17 | 0.98 | 0.03 | 115.5 |
| Embodiment 4 | Y＝0.19LgX+0.22 | 0.95 | 0.04 | 29.76 |
| Embodiment 5 | Y＝0.23LgX+0.15 | 0.97 | 0.02 | 33.25 |
| Embodiment 6 | Y＝0.22LgX+0.16 | 0.98 | 0.03 | 35.11 |
| Embodiment 7 | Y＝0.21LgX+0.20 | 0.97 | 0.03 | 26.83 |
| Embodiment 8 | Y＝0.19LgX+0.18 | 0.95 | 0.04 | 48.33 |
13. rhizoctonia
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.15LgX+0.15 | 0.92 | 0.05 | 215.4 |
| Embodiment 2 | Y＝0.16LgX+0.21 | 0.93 | 0.05 | 64.94 |
| Embodiment 3 | Y＝0.14LgX+0.18 | 0.95 | 0.04 | 193.1 |
| Embodiment 4 | Y＝0.15LgX+0.16 | 0.94 | 0.05 | 184.8 |
| Embodiment 5 | Y＝0.17LgX+0.19 | 0.97 | 0.03 | 66.61 |
| Embodiment 6 | Y＝0.16LgX+0.21 | 0.98 | 0.03 | 64.94 |
| Embodiment 7 | Y＝0.18LgX+0.19 | 0.95 | 0.05 | 52.75 |
| Embodiment 8 | Y＝0.16LgX+0.19 | 0.94 | 0.05 | 86.6 |
14. anthracnose of grape
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.16LgX+0.14 | 0.93 | 0.05 | 177.8 |
| Embodiment 2 | Y＝0.14LgX+0.19 | 0.95 | 0.05 | 163.8 |
| Embodiment 3 | Y＝0.17LgX+0.16 | 0.98 | 0.03 | 100 |
| Embodiment 4 | Y＝0.16LgX+0.15 | 0.96 | 0.04 | 154 |
| Embodiment 5 | Y＝0.17LgX+0.15 | 0.95 | 0.05 | 114.5 |
| Embodiment 6 | Y＝0.19LgX+0.18 | 0.96 | 0.04 | 48.33 |
| Embodiment 7 | Y＝0.21LgX+0.19 | 0.95 | 0.05 | 29.94 |
| Embodiment 8 | Y＝0.16LgX+0.18 | 0.94 | 0.05 | 100 |
15. Botrytis cinerea
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.17LgX+0.19 | 0.91 | 0.05 | 66.61 |
| Embodiment 2 | Y＝0.18LgX+0.19 | 0.94 | 0.04 | 52.75 |
| Embodiment 3 | Y＝0.21LgX+0.18 | 0.97 | 0.03 | 33.4 |
| Embodiment 4 | Y＝0.22LgX+0.23 | 0.95 | 0.05 | 16.88 |
| Embodiment 5 | Y＝0.24LgX+0.23 | 0.97 | 0.01 | 13.34 |
| Embodiment 6 | Y＝0.25LgX+0.21 | 0.98 | 0.01 | 14.45 |
| Embodiment 7 | Y＝0.22LgX+0.22 | 0.99 | 0.00 | 18.74 |
| Embodiment 8 | Y＝0.19LgX+0.25 | 0.96 | 0.03 | 20.69 |
16. sickle-like bacteria
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.17LgX+0.25 | 0.98 | 0.02 | 29.55 |
| Embodiment 2 | Y＝0.17LgX+0.23 | 0.98 | 0.01 | 38.75 |
| Embodiment 3 | Y＝0.18LgX+0.21 | 0.97 | 0.03 | 40.84 |
| Embodiment 4 | Y＝0.17LgX+0.26 | 0.95 | 0.04 | 25.81 |
| Embodiment 5 | Y＝0.21LgX+0.22 | 0.96 | 0.03 | 21.54 |
| Embodiment 6 | Y＝0.23LgX+0.21 | 0.97 | 0.03 | 18.23 |
| Embodiment 7 | Y＝0.25LgX+0.24 | 0.98 | 0.00 | 10.96 |
| Embodiment 8 | Y＝0.18LgX+0.25 | 0.97 | 0.02 | 24.48 |
17. corn stigma
| Preparation | Regression equation | Correlation coefficient | Significance level | LC 50(effective essential oil amount, mg/L) |
| Embodiment 1 | Y＝0.18LgX+0.23 | 0.95 | 0.05 | 31.62 |
| Embodiment 2 | Y＝0.19LgX+0.21 | 0.94 | 0.05 | 33.60 |
| Embodiment 3 | Y＝0.23LgX+0.19 | 0.93 | 0.05 | 22.28 |
| Embodiment 4 | Y＝0.22LgX+0.17 | 0.97 | 0.04 | 31.62 |
| Embodiment 5 | Y＝0.21LgX+0.18 | 0.98 | 0.01 | 33.40 |
| Embodiment 6 | Y＝0.21LgX+0.20 | 0.97 | 0.03 | 26.83 |
| Embodiment 7 | Y＝0.23LgX+0.19 | 0.96 | 0.03 | 22.28 |
| Embodiment 8 | Y＝0.22LgX+0.18 | 0.96 | 0.04 | 28.48 |
The laboratory experiment result of table 1-17 shows; Embodiment preparation that 1-8 does all has good bactericidal and bacteriostatic effect to agricultural diseases such as wheat scab, apple canker, sclerotinia rot of colza, rice blast, the corn northern leaf blight, early blight of tomato, cucumber anthracnose, cucumber fusarium axysporum, graw mold of tomato, pear scab, Brown Spot of Pine Needles, Alternaria, rhizoctonia, anthracnose of grape, Botrytis cinerea, sickle-like bacteria, corn southern leaf blights.
The field control effectiveness test of part disease:
The result of the test table (100mg/L, preventive effect %) of 4 kinds of diseases of table 18 embodiment 1-8 control
The field control effectiveness test of the disease of table 18 shows; Embodiment preparation that 1-8 does is under the 100mg/L situation in effective derived essential oil concentration; Powdery mildew of cucumber, rice green smut, rice sheath blight disease, cucumber downy mildew are all had effect preferably, and the suggestion working concentration is 100-200mg/L.
Through a large amount of agricultural diseases being carried out the screening active ingredients test; Comprise that lab screening and outdoor field control effectiveness test can find out that all essential oils are not that all agricultural diseases are all had active function; Just to wherein seldom a part of disease is effective; And in effective germ; Owing to the different different active size differences that show with crop of disease species are very big, disclosed above disease all is to find to prevent and treat resultful agriculture germ with this disinfectant use in agriculture through a large amount of screening tests in the present patent application file, and undocumented all is the germ that control does not have effect.
Claims (5)
1. disinfectant use in agriculture that contains plants essential oil; It is characterized in that containing the plants essential oil 5-90% of active insecticidal components; Solvent 5-90%; Insecticides adjuvant 5-90%, described plants essential oil are one or more mixtures of wintergreen, camphor tree oil, caryophyllus oil, peppermint oil, eucalyptus oil, citronella oil or tea oil, and described solvent is formic acid, acetate, propionic acid; One or more mixtures of methyl alcohol, ethanol or propyl alcohol, described insecticides adjuvant are one or more mixtures among DBSA, Tween-80, Si Ban-80 (SPAN) or the OP-10.
2. like right 1 described a kind of disinfectant use in agriculture that contains plants essential oil, it is characterized in that described plants essential oil content is 20-70%, preferred 30-50%.
3. like right 1 described a kind of disinfectant use in agriculture that contains plants essential oil, it is characterized in that described solvent is 16-65%, preferred 20-40%.
4. like right 1 described a kind of disinfectant use in agriculture that contains plants essential oil, it is characterized in that described insecticides adjuvant content is 8-15%, preferred 10-14%.
5. like right 1 described a kind of disinfectant use in agriculture that contains plants essential oil, it is characterized in that the application of this disinfectant use in agriculture in preventing and treating head blight, rot, stalk break, rice blast, leaf blight, early blight, anthracnose, fusarium wilt, gray mold, scab, brown spot, Alternaria, rhizoctonia, anthrachose of grape, Botrytis cinerea, sickle-like bacteria, helminthosporium maydis, powdery mildew, false smut, banded sclerotial blight or downy mildew.
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