CN1092485C - Farm biocide composition - Google Patents
Farm biocide composition Download PDFInfo
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- CN1092485C CN1092485C CN96113387A CN96113387A CN1092485C CN 1092485 C CN1092485 C CN 1092485C CN 96113387 A CN96113387 A CN 96113387A CN 96113387 A CN96113387 A CN 96113387A CN 1092485 C CN1092485 C CN 1092485C
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- prochloraz
- rabcide
- rice
- plant
- weight portions
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Abstract
The present invention relates to a novel fungicidal composition for agriculture, which is prepared from two combined compounds, namely 4, 5, 6, 7-tetrafluoro-2-benzo (c) fthalide and 1-{N-propyl-N[2-(2, 4, 6-trichlorophenoxy) ethyl] aminocarbonyl} prochloraz.
Description
The present invention relates to be used for the microbicide compositions of agricultural.
Common first names is 1-{N-propyl group-N-[2-(2,4, the 6-Trichlorophenoxy) ethyl of prochloraz] carbamoyl } imidazoles and common first names be 4,5,6 of Rabcide, 7-tetrachloro-2-benzo [c] furanone is used for agricultural purposes respectively as bactericide.
Rabcide has been used to suppress rice blast, and good especially prevention effect and very safe to mammal and fish and shellfish is arranged.Yet its application only limits to use as preventative bactericide.For example, in case rice plants is infected by rice blast, then Rabcide is invalid for its treatment.
On the other hand, prochloraz uses as rice seed disinfectant, but is not directly used in rice class plant as yet.
Now be surprised to find, by this compound directly being imposed on the rice plants in greenhouse and field, it shows significant prevention and therapeutic action to rice blast.
We are surprised to find, unite with prochloraz and use Rabcide to show significant synergy.
Microbicide compositions of the present invention shows good especially inhibition for rice blast, show a kind of can not be by the synergy of the character of its single composition expection.Said composition not only shows prevention effect, and shows the excellent treatment effect, and the result compares the necessary consumption that has reduced these two kinds of compounds with a kind of composition of independent usefulness.The bactericidal composition that is used for agricultural according to the present invention is effective to pinta (such as brown spot) and the fusarium disease of controlling rice especially.
The ratio of prochloraz and Rabcide can alter a great deal, but general range is 4: 1 to 1: 4 weight ratios, and preferred 2: 1 to 1: 2, particularly 1.3: 1 to 1: 1.6.
The microbicide compositions that is used for agricultural according to the present invention can provide with many formulations, such as pulvis, granule, pulvis-granule mixture, wetting powder, suspension concentrating agents, emulsifiable concentrate (EC), flowable etc., prepares these formulations by known method.As the assistant agent that is used to prepare these formulations, for example solid carrier such as diatomite, white lime, calcium carbonate, talcum, white carbon, kaolin, bentonite and zeolite can have been pointed out; Solvent based such as toluene, dimethylbenzene, naphtha, ethanol, diox, acetone, isophorone, methyl iso-butyl ketone (MIBK), dimethyl formamide, dimethyl sulfoxide (DMSO) and N-N-methyl-2-2-pyrrolidone N-; The surfactant that use wetting agent class such as sodium alkyl sulfate, sodium alkyl benzene sulfonate, sodium lignin sulfonate, polyoxyethylene glycol alkyl ether, polyoxyethylene lauryl ether, polyoxyethylene alkylaryl ether, polyoxyethylene sorbitan fatty acid ester and multiple other this area.
The microbicide compositions that is used for agricultural according to the present invention shows mammal and the very high safety of fish, and proof is few or do not have a phytotoxicity to useful crop especially rice.
The microbicide compositions that is used for agricultural can be united use with other bactericide and Insecticides (tech) ﹠ Herbicides (tech) and plant growth regulator.
The total amount of two kinds of reactive compounds that the fungicide preparation that is used for agricultural of the present invention contains usually is 1.0-95.0%, the reactive compound of preferred 3.0-70%, the application dosage of preparation are generally the reactive compound of per hectare 150-600g, preferred 250-400g combination.
The following example is used to describe in detail the preparation that is used for the microbicide compositions of agricultural according to of the present invention.Prescription 1 (immobilising pulvis)
Obtain pulvis by the prochloraz of even mixing 1.5 weight portions, the Rabcide of 1.5 weight portions, the white carbon of 1.0 weight portions, the aggregating agent prepared therefrom and 95.5 parts by weight of clay of 0.5 weight portion.Prescription 2 (wetting powders)
Obtain wetting powder by the prochloraz of even mixing 15.0 weight portions, the Rabcide of 15.0 weight portions, the sodium lignin sulfonate of 5.0 weight portions, the white carbon of 15.0 weight portions and the kaolin of 50.0 weight portions.Prescription 3 (granules)
Make granule according to a conventional method by the prochloraz of even mixing 1.5 weight portions, the Rabcide of 1.5 weight portions, the bentonite and 67.0 parts by weight of clay of 30.0 weight portions.
Composition of the present invention proves in following experimental example the bactericidal activity of rice blast.Embodiment 1 control rice blast
The rice plants of the 3-4 leaf phase of cultivating in the soil in the plastic basin of diameter 9cm (" Nihonbare " plants) is used for test, with proof prevention effect and therapeutic action.
Use active component with its commercially available prescription.Rabcide is 20% wetting powder, and prochloraz is 25%EC, all is diluted to predetermined concentration.The preparation of dilution is sprayed onto on the plant by the amount of per 3 basin 30ml.
Plant is used the rice blast spore suspension (5-6 * 106/ml) sprinkling inoculation that obtains from the rice plants that is infected by rice blast in advance.
In prophylactic tria, plant inoculates after 1 day using substances, places 24 hours down at 25 ± 2 ℃ in moist chamber then, is placed on the influence of waiting for eqpidemic disease in the greenhouse again.
In therapeutic test, using substances after 24 hours with the mould inoculation.Then plant is placed on the influence of waiting for eqpidemic disease in the greenhouse.
Gradient of infection determines that to the evaluation of the damage of plant protective capacities can be calculated according to following formula by inoculating after 7 days:
Result of the test 1: prevention effect test plant compound concentration protective capacities
The plant 100 98 that (ppm active component) managed with independent Rabcide 25 67 compound places 50 75
200 100
Prochloraz 25 25
50 42
The plant Rabcide 100+100 (3: 3) 100 of prochloraz 25+25 (1: 1) 94 compound place+50+50 (1: 1) 94 reasons that 100 67 usefulness are mixed
(ratio)
25+50(1∶2) 88
50+100(1∶2) 100
100+200(1∶2) 96
25+38(2∶3) 98
50+75(2∶3) 100
100+150(2∶3) 99
38+25(3∶2) 95
75+50 (3: 2) 99 untreated plant 80% damages 2: therapeutic action test plant compound concentration protective capacities
The plant 64 0 that (ppm active component) managed with independent Rabcide 16 0 compound places 32 0
125 0
Prochloraz 32 100
64 100
The plant Rabcide 64,+32 100 of prochloraz 16,+32 100 compound place+32,+32 100 reasons that 125 100 usefulness are mixed
125+32 100
16+64 100
32+64 100
64+64 100
16+125 100
32+125 100
The rice blast that 64+,125 100 untreated plant 80% damage embodiment 2 suppress in the rice seedling bed of highland
Seed rice (kind " Nihonbare ") by drilling in the rice seedling bed that does not flood.In order to accelerate and to promote consistent eqpidemic disease outburst, will be cut into the long fragment of about 1cm by the blade that rice blast infects, spread to the whole test field as inoculation source.Consequently the rice plants in the experimental field is placed under the state that is subjected to the rice blast infection.
Twice come dispenser with the consumption of each plot 100ml with miniaturised nebuliser spray wine according to the method for embodiment 1 preparation prescription to be tested and with predetermined concentration.
Damage occurs at 2 leaves or 3 leaf phases, sprays in the 3-4 leaf phase for the first time and carries out, and sprays after 7 days for the second time.
Check to eqpidemic disease outburst is carried out 3 times, promptly spray for the first time after 7 days be right after spray for the second time before (the 1st time), spray 2 days for the second time after (the 2nd time) and spray 8 days for the second time after (the 3rd time), to estimate the inhibition effect of filling a prescription.
The degree of injury that rice blast causes is represented with %, estimates in each processed plot.The protective capacities (%) of each prescription is calculated according to the formula of embodiment 1.Test results test plot compound concentration (after the ppm check
Active component) protective capacities
The plot 200 39 26 26 of Rabcide 100 22 07 compound places 150 50 17 11 reasons that 3 usefulness of the 1st order 2 order are independent
Prochloraz 150 22 26 30
200 44 43 52
The plot Rabcide 1,00+,200 72 70 85 of prochloraz 1,00+,100 56 48 67 compound place+1,00+,150 72 65 67 reasons that 250 44 39 48 usefulness are mixed
100+250 83 74 89
150+100 78 65 74
150+150 78 78 85
150+200 78 70 91
150+250 61 76 91
Kasu-Rab 12+150 67 65 67
Wetting powder
(kasugarnycin
The 1.2%+ tetrachlorobenzene
Phthalein is united prescription
15%) untreated plot damage % % 77% 90%
Claims (3)
1. one kind is used for agriculture microbicide compositions, and said composition contains as the Rabcide of active component and prochloraz, and wherein the weight ratio of prochloraz and Rabcide is 4: 1-1: 4.
2. the composition of claim 1, wherein the weight ratio of prochloraz and Rabcide is 2: 1-1: 2.
3. the composition of claim 2, wherein the weight ratio of prochloraz and Rabcide is 1.3: 1-1: 1.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96113387A CN1092485C (en) | 1996-09-20 | 1996-09-20 | Farm biocide composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96113387A CN1092485C (en) | 1996-09-20 | 1996-09-20 | Farm biocide composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1177443A CN1177443A (en) | 1998-04-01 |
| CN1092485C true CN1092485C (en) | 2002-10-16 |
Family
ID=5121834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96113387A Expired - Fee Related CN1092485C (en) | 1996-09-20 | 1996-09-20 | Farm biocide composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1092485C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007129303A2 (en) * | 2006-05-02 | 2007-11-15 | Greenoy Ltd. | Method for increasing long-term storage of cut flowers |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066760A (en) * | 1991-03-19 | 1992-12-09 | 先灵农业化学品公司 | Fungicidal formulations |
| CN1098250A (en) * | 1993-07-02 | 1995-02-08 | 住友化学工业株式会社 | Composition pesticide |
-
1996
- 1996-09-20 CN CN96113387A patent/CN1092485C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066760A (en) * | 1991-03-19 | 1992-12-09 | 先灵农业化学品公司 | Fungicidal formulations |
| CN1098250A (en) * | 1993-07-02 | 1995-02-08 | 住友化学工业株式会社 | Composition pesticide |
Non-Patent Citations (1)
| Title |
|---|
| 新编农药手册 1989.10.1 农业部农药检定新编 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1177443A (en) | 1998-04-01 |
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Granted publication date: 20021016 Termination date: 20091020 |