CN104585247A - Wettable powder for preventing and controlling Chinese cabbage soft rot - Google Patents
Wettable powder for preventing and controlling Chinese cabbage soft rot Download PDFInfo
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- CN104585247A CN104585247A CN201510079883.4A CN201510079883A CN104585247A CN 104585247 A CN104585247 A CN 104585247A CN 201510079883 A CN201510079883 A CN 201510079883A CN 104585247 A CN104585247 A CN 104585247A
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- Y—GENERAL 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
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Abstract
The invention provides wettable powder for preventing and controlling Chinese cabbage soft rot. The wettable powder is prepared from the following components in parts by weight: 5-18 parts of castor oil a seed extract, 2-30 parts of polygalacturonic acid, 8-16 parts of a wetting agent, 4-12 parts of a dispersing agent, 20-38 parts of diatomite and 18-35 parts of water. The invention also discloses a preparation method and application of the wettable powder for preventing and controlling Chinese cabbage soft rot. Chemical agents are replaced with the castor oil seed extract and the polygalacturonic acid, so that the environmental toxic or side effects and pesticide residue caused by the chemical agents are prevented, and the wettable powder is high in efficiency, safe and free of toxicity and residues, is an environmental-friendly green microbial pesticide and has a wide application prospect in the field of microbial prevention and control.
Description
Technical field
The invention belongs to biological pesticide technical field, be specifically related to a kind of biopesticide preventing and treating Chinese cabbage damage by disease and insect.
Background technology
In China's plantation extensively, be one of vegetable species that China's cultivated area is larger, its cooking methods is various, is one home cooking on China resident dining table, extensively likes by people for Chinese cabbage.According to Ministry of Agriculture's statistics, the sowing area of China Chinese cabbage in 2009 is 143.73 ten thousand mu, and the cultivated area of Chinese cabbage and consumption figure all occupy first of all kinds of vegetables.In the winter of northern China, the regular guest of Chinese cabbage especially on dining table, therefore have saying of " winter Chinese cabbage beautiful as bamboo shoot ".Chinese cabbage has higher nutritive value, containing abundant calcium, potassium, iron, vitamin A and raw fiber, and the saying having " hundred dishes are not as Chinese cabbage " among the people.
But belong to herbaceous plant due to Chinese cabbage, its plant is shorter, and the delicate succulence of leaf, cause Chinese cabbage than the invasion and attack being easier to be subject to damage by disease and insect and microorganism, soft rot of cabbage is a kind of common Chinese cabbage fungal disease.Fall ill in the petiole of kiss the earth and very tip at first, petiole site of pathological change is water stain shape, and siphonal lobe dries out and wilts, and last whole plant is withered.During Later growth morbidity, first occur water stain shape fleck, blade is translucent, in oilpaper shape, last whole strain is softening, rotten, gives out special stench. when the insect pests such as striped flea-beetle, the black cricket of sugarcane are serious, germ invades in a large number from wound, causes disease to increase the weight of.Sometimes, there is in transit softening putrefactive phenomenon.The method commonly used soft rot of cabbage people is regular spraying pesticide, but spraying pesticide usually can remain on Chinese cabbage, can affect the healthy of people if do not clean up when people eat, and threatens food security.Therefore, being badly in need of a kind of novel biopesticide of exploitation, providing a kind of safe and effective biological control method for preventing and treating soft rot of cabbage.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of safe, effective, free of contamination biopesticide preventing and treating soft rot of cabbage.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Prevent and treat a wetting powder for soft rot of cabbage, this wetting powder is prepared from by the formula of following weight portion: castor-oil plant extract 5 ~ 18 parts, oligogalacturonans 2 ~ 30 parts, wetting agent 8 ~ 16 parts, dispersant 4 ~ 12 parts, 20 ~ 38 parts, diatomite, 18 ~ 35 parts, water.
As preferably of the present invention, this wetting powder is prepared from by the formula of following weight portion: castor-oil plant extract 8 parts, oligogalacturonans 15 parts, wetting agent 13 parts, dispersant 10 parts, 25 parts, diatomite, 20 parts, water.
Wherein, described wetting agent is the mixture of one or more in ethanol, propane diols, glycerine and lauryl sodium sulfate.
Wherein, described dispersant is any one or a few the mixture in NNO, MF, SOPA, CMC.
The above-mentioned preparation method preventing and treating the wetting powder of soft rot of cabbage, it is characterized in that, castor-oil plant extract, oligogalacturonans, wetting agent, dispersant, diatomite is taken in described ratio, mix and pulverize, through the screen filtration of 30 ~ 80 μm, the wetting powder of soft rot of cabbage must be prevented and treated.
The application in soft rot of cabbage prevented and treated by the above-mentioned wetting powder preventing and treating soft rot of cabbage.
Wherein, spray after the described wetting powder dilute with water 800 ~ 1000 times preventing and treating soft rot of cabbage.
Wherein, the spray preventing and treating the wetting powder of soft rot of cabbage is 200 ~ 300g/ mu in right amount.
Containing ricin in castor-oil plant extract, the insect on Chinese cabbage can be suppressed, thus decrease the Bacteria erwinia that insect brings Chinese cabbage.Oligogalacturonans is the important component part of higher plant primary wall, it is by 1 by α-D-galacturonic acid residues, the pectin polysaccharide that 4-key couples together and formed, oligogalacturonans can be discharged as endogenous elicitor when plant corpus is subject to the attack of pathogen, the generation of induction protective plant protecting agent, improves the resistance against diseases of plant.Oligogalacturonans causes the series reaction of plant corpus, as the depolarising etc. of the release of active oxygen ion, medium alkalinization, cell membrane.By to Chinese cabbage castor-oil plant extract and oligogalacturonans, from external killing pathogenic bacteria, improve the resistance against diseases of Chinese cabbage from inherence.
Beneficial effect:
The present invention is by instead of chemical agent with castor-oil plant extract and oligogalacturonans, overcome environment toxic and side effect and Pesticide Residue that chemical agent brings, there is the characteristic of efficient, nontoxic, safe noresidue, be a kind of environmentally friendly green microbial pesticide, have broad application prospects in microbial control field.Meanwhile, the present invention also can obtain the antibacterial disease resisting effect same with chemical agent.
Embodiment
According to following embodiment, the present invention may be better understood.But those skilled in the art will readily understand, the content described by embodiment only for illustration of the present invention, and should can not limit the present invention described in detail in claims yet.
Embodiment 1:
Measure castor-oil plant extract 5 parts respectively, oligogalacturonans 2 parts, wetting agent 8 parts, dispersant 4 parts, 20 parts, diatomite, 18 parts, water.。Mix and pulverize, through the screen filtration of 40 μm, the wetting powder of soft rot of cabbage must be prevented and treated.
Embodiment 2:
Measure castor-oil plant extract 10 parts respectively, oligogalacturonans 10 parts, wetting agent 12 parts, dispersant 5 parts, 23 parts, diatomite, 25 parts, water.。Mix and pulverize, through the screen filtration of 50 μm, the wetting powder of soft rot of cabbage must be prevented and treated.
Embodiment 3:
Measure castor-oil plant extract 13 parts respectively, oligogalacturonans 20 parts, wetting agent 10 parts, dispersant 8 parts, 25 parts, diatomite, 30 parts, water.Mix and pulverize, through the screen filtration of 50 μm, the wetting powder of soft rot of cabbage must be prevented and treated.
Embodiment 4:
Measure castor-oil plant extract 18 parts respectively, oligogalacturonans 2 ~ 30 parts, wetting agent 16 parts, dispersant 12 parts, 38 parts, diatomite, 35 parts, water.Mix and pulverize, through the screen filtration of 50 μm, the wetting powder of soft rot of cabbage must be prevented and treated.
Embodiment 5:
Experimental period: 2014
Controlling object: soft rot of cabbage
Experiment place: Yancheng City San Cang town, Jiangsu Province new rural village, soil erosion 2 mu, soil organic matter content 2.3%, Chinese cabbage spacing in the rows 15cm, line-spacing 30cm.
Experimental pharmacy: the wetting powder preventing and treating soft rot of cabbage provided by the invention, dilutes 500 times, 800 times, 1000 times, 1200 times respectively.
Contrast agents: kasugarnycin, dilutes 500 times, 800 times, 1000 times, 1200 times respectively.
Application method: during Chinese cabbage first time morbidity, first time sprays, and after this sprays week about once.
Drug effect computational methods application reference number is the computational methods in the Chinese patent of 201410303095.4, and control efficiency, in table 1, prevents and treats the wetting powder of soft rot of cabbage referred to as A in table 1.
The control efficiency of wetting powder to soft rot of cabbage of soft rot of cabbage prevented and treated by table 1
| Chemicals treatment | Disease index | Control efficiency |
| A-500 doubly | 1.8 | 87％ |
| A-800 doubly | 2.1 | 82％ |
| A-1000 doubly | 2.6 | 78％ |
| A-1200 doubly | 1.7 | 79％ |
| Kasugarnycin-500 times | 2.4 | 63％ |
| Kasugarnycin-800 times | 1.9 | 62％ |
| Kasugarnycin-1000 times | 2.1 | 60％ |
| Kasugarnycin-1200 times | 1.8 | 55％ |
| Contrast-water | 3.6 | - |
As can be seen from Table 1, the wetting powder preventing and treating soft rot of cabbage effectively can prevent and treat soft rot of cabbage, is up to 85% to the inhibiting rate of Pseudoperonospora cubensis, and this is that chemical agent kasugarnycin institute is inaccessiable.
Claims (8)
1. prevent and treat a wetting powder for soft rot of cabbage, it is characterized in that, this wetting powder is prepared from by the formula of following weight portion: castor-oil plant extract 5 ~ 18 parts, oligogalacturonans 2 ~ 30 parts, wetting agent 8 ~ 16 parts, dispersant 4 ~ 12 parts, 20 ~ 38 parts, diatomite, 18 ~ 35 parts, water.
2. the wetting powder preventing and treating soft rot of cabbage according to claim 1, is characterized in that, this wetting powder is prepared from by the formula of following weight portion: castor-oil plant extract 8 parts, oligogalacturonans 15 parts, wetting agent 13 parts, dispersant 10 parts, 25 parts, diatomite, 20 parts, water.
3. the wetting powder preventing and treating soft rot of cabbage according to claim 1 and 2, is characterized in that, described wetting agent is the mixture of one or more in ethanol, propane diols, glycerine and lauryl sodium sulfate.
4. the wetting powder preventing and treating soft rot of cabbage according to claim 1 and 2, is characterized in that, described dispersant is any one or a few the mixture in NNO, MF, SOPA, CMC.
5. the preparation method preventing and treating the wetting powder of soft rot of cabbage described in any one of Claims 1 to 4, it is characterized in that, castor-oil plant extract, oligogalacturonans, wetting agent, dispersant, diatomite is taken in described ratio, mix and pulverize, through the screen filtration of 30 ~ 80 μm, the wetting powder of soft rot of cabbage must be prevented and treated.
6. the application in soft rot of cabbage prevented and treated by the wetting powder preventing and treating soft rot of cabbage described in any one of Claims 1 to 4.
7. application according to claim 6, is characterized in that, sprays after the described wetting powder dilute with water 800 ~ 1200 times preventing and treating soft rot of cabbage.
8. application according to claim 6, is characterized in that, the spray preventing and treating the wetting powder of soft rot of cabbage is 200 ~ 300g/ mu in right amount.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510079883.4A CN104585247A (en) | 2015-02-13 | 2015-02-13 | Wettable powder for preventing and controlling Chinese cabbage soft rot |
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| CN201510079883.4A CN104585247A (en) | 2015-02-13 | 2015-02-13 | Wettable powder for preventing and controlling Chinese cabbage soft rot |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109699690A (en) * | 2019-01-16 | 2019-05-03 | 山西大学 | A kind of botanical fungicide of anti-Erwinia carotorora |
| WO2021091365A1 (en) * | 2019-11-06 | 2021-05-14 | Becerra Carranza Luis Rodrigo | Mixture and organic product for agricultural use; and methods for the preparation and application thereof |
Citations (2)
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| CN1112104C (en) * | 2000-10-20 | 2003-06-25 | 中国科学院生态环境研究中心 | Vegetable disease preventing and treating prepn. and its usage |
| CN101124916A (en) * | 2007-08-06 | 2008-02-20 | 大连奥德植保药业有限公司 | Biological pesticide mixed with plant insecticide sterilization component and amino-oligosaccharin and preparation method thereof |
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2015
- 2015-02-13 CN CN201510079883.4A patent/CN104585247A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1112104C (en) * | 2000-10-20 | 2003-06-25 | 中国科学院生态环境研究中心 | Vegetable disease preventing and treating prepn. and its usage |
| CN101124916A (en) * | 2007-08-06 | 2008-02-20 | 大连奥德植保药业有限公司 | Biological pesticide mixed with plant insecticide sterilization component and amino-oligosaccharin and preparation method thereof |
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| 孙辉 等.: "真菌源寡聚糖对几种植物病原菌的抑制作用", 《西北农林科技大学学报（自然科学版）》 * |
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| 胡振兴 刘建: "《农作物植物保护专业化防治技术》", 30 June 2014 * |
| 董向艳 等.: "寡聚半乳糖醛酸生物活性研究进展", 《核农学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109699690A (en) * | 2019-01-16 | 2019-05-03 | 山西大学 | A kind of botanical fungicide of anti-Erwinia carotorora |
| CN109699690B (en) * | 2019-01-16 | 2021-03-30 | 山西大学 | Botanical fungicide for resisting cabbage soft rot |
| WO2021091365A1 (en) * | 2019-11-06 | 2021-05-14 | Becerra Carranza Luis Rodrigo | Mixture and organic product for agricultural use; and methods for the preparation and application thereof |
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Application publication date: 20150506 |