CN104336089A - Rice blast prevention and control agent - Google Patents
Rice blast prevention and control agent Download PDFInfo
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- CN104336089A CN104336089A CN201410510462.8A CN201410510462A CN104336089A CN 104336089 A CN104336089 A CN 104336089A CN 201410510462 A CN201410510462 A CN 201410510462A CN 104336089 A CN104336089 A CN 104336089A
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- prochloraz
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Abstract
The invention discloses a rice blast prevention and control agent. The rice blast prevention and control agent is prepared from the following components in part by weight: 5 parts of prochloraz, 1-5 parts of C36H60, 2-6 parts of kasugamycin, 0.2-0.6 parts of potassium chloride, 0.4-0.8 parts of potassium nitrate, 20-30 parts of Salvinia natans, 15-25 parts of fructus forsythiae, 25-35 parts of Scutellaria baicalensis, 2-10 parts of starch, 0.1-0.5 parts of sodium carboxymethylcellulose, and 0.02-0.06 parts of glycerin monostearate. Compared with the prior art, the rice blast prevention and control agent has prominent pesticide effect and long lasting period, can reduce the using times, saves the raw materials, and reduces the environment pollution.
Description
Technical field
The present invention relates to a kind of rice blast pesticide control, be applied to agriculture field.
Background technology
Rice blast is rice blast again, and the masses claim it to be " windburn ", rotten neck pest, and be one of the most serious three large diseases of hazard rice, can cause the paddy rice significantly underproduction, underproduction 40%-50% time serious, even No kernels or seeds are gathered, as in a year of scarcity.Rice blast can occur in paddy rice whole breeding time, different with position according to the period of being injured, and is called seedling pest, leaf pest, joint pest, panicle blast, branch stalk pest and grain pest etc.The principal character of several rice blast is as follows.Seedling pest: generally occurred in before tri-leaf period, sick seedling base portion becomes grey black, and blade becomes reddish tan, makes whole strain rice shoot withered.Leaf pest: all can occur from nursery period to heading stage, mainly occur on blade, and also have minority to occur on leaf sheath, its scab has polytype, mainly contain chronic type, acute two kinds.Chronic type scab is the most common in field, the shuttle that its form somewhat picture is weaved cotton cloth, pointed at both ends broad in the middle, and the outermost layer of sick class is dark brown, and centre is canescence.Acute scab is celadon or dirty-green water soaking mode, is generally circle, ellipticalness or irregular shape.Panicle blast: occur in fringe neck, makes fringe neck become pitchy, finally withered rotten.The morbidity paddy rice that makes early becomes dead ears, falls ill slow to make grain not full.
At present, the pesticide control of rice blast is of a great variety, mostly needs to use in the period that paddy rice is different, not only loaded down with trivial details, and repeatedly uses increase environmental pollution, and effect is undesirable.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of rice blast pesticide control.
Technical scheme: for achieving the above object, the invention provides a kind of rice blast pesticide control, its primarily of following weight ratio component made by:
Prochloraz 5 parts, Portugal's polyene sugar 1-5 part, kasugarnycin 2-6 part, potassium chloride 0.2-0.6 part,
Potassium nitrate 0.4-0.8 part, Chinese scholartree leaf 20-30 part, capsule of weeping forsythia 15-25 part, root of large-flowered skullcap 25-35 part,
Starch 2-10 part, sodium carboxymethylcellulose 0.1-0.5 part, glycerin monostearate 0.02-0.06 part.
As preferably, described rice blast pesticide control primarily of following weight ratio component made by:
Prochloraz 5 parts, Portugal's polyene sugar 1-5 part, kasugarnycin 2-6 part, potassium chloride 0.2-0.6 part,
Potassium nitrate 0.4-0.8 part, Chinese scholartree leaf 20-30 part, capsule of weeping forsythia 15-25 part, root of large-flowered skullcap 25-35 part,
Starch 2-10 part, sodium carboxymethylcellulose 0.1-0.5 part, glycerin monostearate 0.02-0.06 part.
Preferred as another kind, described rice blast pesticide control primarily of following weight ratio component made by:
Prochloraz 5 parts, Portugal's polyene sugar 3 parts, kasugarnycin 4 parts, 0.4 part, potassium chloride,
0.6 part, potassium nitrate, 25 parts, Chinese scholartree leaf, the capsule of weeping forsythia 20 parts, the root of large-flowered skullcap 30 parts,
Starch 6 parts, sodium carboxymethylcellulose 0.3 part, glycerin monostearate 0.04 part.
Preferred as another kind, in described pesticide control, the concentration of Prochloraz is 10-20% (weight ratio).
Preferred as another kind, described rice blast pesticide control is mainly made by following steps:
(1) Chinese scholartree leaf, the capsule of weeping forsythia and the root of large-flowered skullcap are cleaned, and 2 times of volume water soakings 2 hours, then add the pure water of 6-8 volume, refluxing extraction 1-3 time, each 1-3 hour, merging extract, and being concentrated into 30 DEG C of relative densities is 1.01-1.05, obtains total extract;
(2) get Prochloraz, Portugal's polyene sugar, kasugarnycin, starch, sodium carboxymethylcellulose and glycerin monostearate, join in above-mentioned total extract, 4000-6000r/min high speed dispersion 10-20 minute, obtains dispersion liquid;
(3) potassium chloride and potassium nitrate, joins in above-mentioned dispersion liquid, dissolves, and mixing, to obtain final product.
Beneficial effect: relative to prior art, the rice blast pesticide control of gained of the present invention, drug effect is given prominence to, and the lasting period is long, and can reduce the access times of medicine, economizes in raw materials, and reduces environmental pollution.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
Prescription:
Prochloraz 5g, Portugal's polyene sugar 1g, kasugarnycin 2g, potassium chloride 0.2g, potassium nitrate 0.4g, Chinese scholartree leaf 20g, capsule of weeping forsythia 15g, root of large-flowered skullcap 25g, starch 2g, sodium carboxymethylcellulose 0.1g, glycerin monostearate 0.02g.
Preparation method:
(1) Chinese scholartree leaf, the capsule of weeping forsythia and the root of large-flowered skullcap are cleaned, and 2 times of volume water soakings 2 hours, then add the pure water of 6 volumes, refluxing extraction 1 time, each 1 hour, and merge extract, being concentrated into 30 DEG C of relative densities is 1.01, obtains total extract;
(2) get Prochloraz, Portugal's polyene sugar, kasugarnycin, starch, sodium carboxymethylcellulose and glycerin monostearate, join in above-mentioned total extract, 4000r/min high speed dispersion 10 minutes, obtains dispersion liquid;
(3) potassium chloride and potassium nitrate, joins in above-mentioned dispersion liquid, dissolves, and mixing, to obtain final product.
In gained pesticide control, the concentration of Prochloraz is 10% (weight ratio).
Embodiment 2:
Prescription:
Prochloraz 5g, Portugal's polyene sugar 5g, kasugarnycin 6g, potassium chloride 0.6g, potassium nitrate 0.8g, Chinese scholartree leaf 30g, capsule of weeping forsythia 25g, root of large-flowered skullcap 35g, starch 10g, sodium carboxymethylcellulose 0.5g, glycerin monostearate 0.06g.
Preparation method:
(1) Chinese scholartree leaf, the capsule of weeping forsythia and the root of large-flowered skullcap are cleaned, and 2 times of volume water soakings 2 hours, then add the pure water of 8 volumes, refluxing extraction 3 times, each 3 hours, and merge extract, being concentrated into 30 DEG C of relative densities is 1.05, obtains total extract;
(2) get Prochloraz, Portugal's polyene sugar, kasugarnycin, starch, sodium carboxymethylcellulose and glycerin monostearate, join in above-mentioned total extract, 6000r/min high speed dispersion 20 minutes, obtains dispersion liquid;
(3) potassium chloride and potassium nitrate, joins in above-mentioned dispersion liquid, dissolves, and mixing, to obtain final product.
In gained pesticide control, the concentration of Prochloraz is 20% (weight ratio).
Embodiment 3:
Prescription:
Prochloraz 5g, Portugal's polyene sugar 3g, kasugarnycin 4g, potassium chloride 0.4g, potassium nitrate 0.6g, Chinese scholartree leaf 25g, capsule of weeping forsythia 20g, root of large-flowered skullcap 30g, starch 6g, sodium carboxymethylcellulose 0.3g, glycerin monostearate 0.04g.
Preparation method:
(1) Chinese scholartree leaf, the capsule of weeping forsythia and the root of large-flowered skullcap are cleaned, and 2 times of volume water soakings 2 hours, then add the pure water of 7 volumes, refluxing extraction 2 times, each 2 hours, and merge extract, being concentrated into 30 DEG C of relative densities is 1.03, obtains total extract;
(2) get Prochloraz, Portugal's polyene sugar, kasugarnycin, starch, sodium carboxymethylcellulose and glycerin monostearate, join in above-mentioned total extract, 5000r/min high speed dispersion 15 minutes, obtains dispersion liquid;
(3) potassium chloride and potassium nitrate, joins in above-mentioned dispersion liquid, dissolves, and mixing, to obtain final product.
In gained pesticide control, the concentration of Prochloraz is 15% (weight ratio).
Embodiment 4:
Prescription:
Prochloraz 5g, Portugal's polyene sugar 1g, kasugarnycin 2g, potassium chloride 0.2g, potassium nitrate 0.4g, Chinese scholartree leaf 20g, capsule of weeping forsythia 15g, root of large-flowered skullcap 25g, starch 2g, sodium carboxymethylcellulose 0.1g, glycerin monostearate 0.02g.
Preparation method:
(1) Chinese scholartree leaf, the capsule of weeping forsythia and the root of large-flowered skullcap are cleaned, and 2 times of volume water soakings 2 hours, then add the pure water of 7 volumes, refluxing extraction 2 times, each 2 hours, and merge extract, being concentrated into 30 DEG C of relative densities is 1.02, obtains total extract;
(2) get Prochloraz, Portugal's polyene sugar, kasugarnycin, starch, sodium carboxymethylcellulose and glycerin monostearate, join in above-mentioned total extract, 4500r/min high speed dispersion 13 minutes, obtains dispersion liquid;
(3) potassium chloride and potassium nitrate, joins in above-mentioned dispersion liquid, dissolves, and mixing, to obtain final product.
In gained pesticide control, the concentration of Prochloraz is 13% (weight ratio).
Embodiment 5:
Prescription:
Prochloraz 5g, Portugal's polyene sugar 5g, kasugarnycin 6g, potassium chloride 0.6g, potassium nitrate 0.8g, Chinese scholartree leaf 30g, capsule of weeping forsythia 25g, root of large-flowered skullcap 35g, starch 10g, sodium carboxymethylcellulose 0.5g, glycerin monostearate 0.06g.
Preparation method:
(1) Chinese scholartree leaf, the capsule of weeping forsythia and the root of large-flowered skullcap are cleaned, and 2 times of volume water soakings 2 hours, then add the pure water of 7 volumes, refluxing extraction 2 times, each 2 hours, and merge extract, being concentrated into 30 DEG C of relative densities is 1.04, obtains total extract;
(2) get Prochloraz, Portugal's polyene sugar, kasugarnycin, starch, sodium carboxymethylcellulose and glycerin monostearate, join in above-mentioned total extract, 5500r/min high speed dispersion 17 minutes, obtains dispersion liquid;
(3) potassium chloride and potassium nitrate, joins in above-mentioned dispersion liquid, dissolves, and mixing, to obtain final product.
In gained pesticide control, the concentration of Prochloraz is 17% (weight ratio).
Experimental example rice blast controlling experiment
In certain paddy rice experiment field, get 5 pieces of areas and be 40m
2experiment field, be labeled as contrast 1 group respectively, contrast 2 groups, embodiment 3,4 and 5 groups.
Contrast 1 group and spray Isoprothiolane, only spray once, the time of spraying is the paddy rice cut phase;
Contrast 2 groups and spray Isoprothiolane, spray three times, the time of spraying is respectively booting later stage, cut phase and full heading time;
Embodiment 3,4 and 5 groups sprays the embodiment of the present invention 3,4 and 5 gained pesticide control (being diluted to same concentrations) respectively, only sprays once, and the time of spraying is the paddy rice cut phase.
All the other conditions of each piece of experimental field are identical.
Fertilizing method and regular maintenance management carries out all according to a conventional method, finally more each group after medicine 7 days, 14 days and 21 days time, to the control efficiency of rice blast, the results are shown in Table 1.
Table 1 respectively organizes medicament to the control efficiency of rice blast
Note: with contrast 1 group and compare, * P<0.05;
Can be drawn by upper table 1, compared with contrast 1 group, namely with only use compared with an Isoprothiolane, gained pesticide control of the present invention is used once, and after medicine, the preventive effect of 7 days, 14 days and 21 days is significantly increased, and does not reduce significantly, show that medicament drug effect of the present invention is given prominence to, the lasting period is long.
Compared with contrast 2 groups, namely use with different times compared with three Isoprothiolanes, gained pesticide control of the present invention, suitable to the control efficiency of rice blast.Therefore, pesticide control of the present invention is only used once in the paddy rice cut phase, can reach the effect that Isoprothiolane uses three times.So medicament of the present invention can reduce the access times of medicine, economizes in raw materials, and environmental pollution can be reduced.
Claims (5)
1. a rice blast pesticide control, is characterized in that, its primarily of following weight ratio component made by:
Prochloraz 5 parts, Portugal's polyene sugar 1-5 part, kasugarnycin 2-6 part, potassium chloride 0.2-0.6 part,
Potassium nitrate 0.4-0.8 part, Chinese scholartree leaf 20-30 part, capsule of weeping forsythia 15-25 part, root of large-flowered skullcap 25-35 part,
Starch 2-10 part, sodium carboxymethylcellulose 0.1-0.5 part, glycerin monostearate 0.02-0.06 part.
2. rice blast pesticide control according to claim 1, is characterized in that, its primarily of following weight ratio component made by:
Prochloraz 5 parts, Portugal's polyene sugar 1-5 part, kasugarnycin 2-6 part, potassium chloride 0.2-0.6 part,
Potassium nitrate 0.4-0.8 part, Chinese scholartree leaf 20-30 part, capsule of weeping forsythia 15-25 part, root of large-flowered skullcap 25-35 part,
Starch 2-10 part, sodium carboxymethylcellulose 0.1-0.5 part, glycerin monostearate 0.02-0.06 part.
3. rice blast pesticide control according to claim 1, is characterized in that, its primarily of following weight ratio component made by:
Prochloraz 5 parts, Portugal's polyene sugar 3 parts, kasugarnycin 4 parts, 0.4 part, potassium chloride,
0.6 part, potassium nitrate, 25 parts, Chinese scholartree leaf, the capsule of weeping forsythia 20 parts, the root of large-flowered skullcap 30 parts,
Starch 6 parts, sodium carboxymethylcellulose 0.3 part, glycerin monostearate 0.04 part.
4. rice blast pesticide control according to claim 1, is characterized in that, in described pesticide control, the concentration of Prochloraz is 10-20% (weight ratio).
5. the rice blast pesticide control according to any one of claim 1-4, is characterized in that, they are mainly made by following steps:
(1) Chinese scholartree leaf, the capsule of weeping forsythia and the root of large-flowered skullcap are cleaned, and 2 times of volume water soakings 2 hours, then add the pure water of 6-8 volume, refluxing extraction 1-3 time, each 1-3 hour, merging extract, and being concentrated into 30 DEG C of relative densities is 1.01-1.05, obtains total extract;
(2) get Prochloraz, Portugal's polyene sugar, kasugarnycin, starch, sodium carboxymethylcellulose and glycerin monostearate, join in above-mentioned total extract, 4000-6000r/min high speed dispersion 10-20 minute, obtains dispersion liquid;
(3) potassium chloride and potassium nitrate, joins in above-mentioned dispersion liquid, dissolves, and mixing, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510462.8A CN104336089A (en) | 2014-09-28 | 2014-09-28 | Rice blast prevention and control agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510462.8A CN104336089A (en) | 2014-09-28 | 2014-09-28 | Rice blast prevention and control agent |
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| Publication Number | Publication Date |
|---|---|
| CN104336089A true CN104336089A (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410510462.8A Pending CN104336089A (en) | 2014-09-28 | 2014-09-28 | Rice blast prevention and control agent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105104457A (en) * | 2015-09-11 | 2015-12-02 | 湖州旭龙生物化学有限公司 | Bactericide composition |
| CN105191997A (en) * | 2015-08-10 | 2015-12-30 | 谢绪叶 | Fungicide containing prochloraz and scutellaria baicalensis |
| CN107212025A (en) * | 2017-06-27 | 2017-09-29 | 广西南宁市田园聚丰农业科技有限公司 | A kind of bactericidal composition containing Prochloraz and oriental wormwood parthenium extract |
| CN107535529A (en) * | 2017-07-27 | 2018-01-05 | 张银花 | A kind of agriculturally useful compositions for preventing and treating bacterial leaf streak of rice |
| CN116210728A (en) * | 2023-05-04 | 2023-06-06 | 山东省果树研究所 | Bactericide and preparation method and application thereof |
-
2014
- 2014-09-28 CN CN201410510462.8A patent/CN104336089A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191997A (en) * | 2015-08-10 | 2015-12-30 | 谢绪叶 | Fungicide containing prochloraz and scutellaria baicalensis |
| CN105104457A (en) * | 2015-09-11 | 2015-12-02 | 湖州旭龙生物化学有限公司 | Bactericide composition |
| CN105104457B (en) * | 2015-09-11 | 2018-07-10 | 湖州旭龙生物化学有限公司 | A kind of microbicide compositions |
| CN107212025A (en) * | 2017-06-27 | 2017-09-29 | 广西南宁市田园聚丰农业科技有限公司 | A kind of bactericidal composition containing Prochloraz and oriental wormwood parthenium extract |
| CN107535529A (en) * | 2017-07-27 | 2018-01-05 | 张银花 | A kind of agriculturally useful compositions for preventing and treating bacterial leaf streak of rice |
| CN116210728A (en) * | 2023-05-04 | 2023-06-06 | 山东省果树研究所 | Bactericide and preparation method and application thereof |
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Application publication date: 20150211 |
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