Application of multifunctional plant-source bactericide to control iris tectorum gray mold

A botanical fungicide and multi-functional technology, applied in the field of fungicides, can solve the problems of pest resistance, reducing the control effect and killing natural enemies, irrational use of chemical synthetic pesticides, environmental and agricultural product pollution, etc. The effect of the long duration of the drug and the little environmental pollution

Active Publication Date: 2014-12-31
南通市乐悦实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a large number of long-term and irrational use of chemically synthesized pesticides, especially the application of highly toxic and high-residue pesticides, has resulted in excessive pesticide residues, polluted the environment and agricultural produ

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0014] Example 1: According to the following steps during preparation: 1. Weigh 0.5 parts of St. chamaejasme, 3 parts of Artemisia annua, 0.7 parts of Artemisia annua, 0.3 parts of camphor, 1 part of tobacco leaf, 0.8 parts of licorice, 1 part by weight. Salt bran, 3 parts of gall seeds, 0.5 part of Sophora flavescens and then mix; 2. Extract the mixture of step 1 with ethanol, where the stirring speed during the extraction process is 210r / min, the ethanol volume concentration is 60%, and the extraction time For 28 hours, the extraction temperature is 75°C; 3. Filter the product obtained in step 2; 4. Distill the filtrate from step 3 at 110°C; 5. Distill the distillate from step 4 at 130°C and 0.01MPa Carry out moist heat sterilization for 21 minutes; 6. Add Azone and stir evenly to obtain a plant-derived fungicide.

Example Embodiment

[0015] Example 2: According to the following steps during preparation: 1. Weigh 2 parts of St. chamaejasme, 5 parts of Artemisia annua, 2 parts of Artemisia annua, 1 part of camphor, 3 parts of tobacco leaves, 1.6 parts of licorice, 3 parts by weight. Salt bran, 5 parts of gall seeds, 2 parts of Sophora flavescens and then mix; 2. Extract the mixture of step 1 with ethanol, where the stirring speed during the extraction process is 230r / min, the ethanol volume concentration is 60%, and the extraction time It is 42h and the extraction temperature is 80°C; 3. Filter the product obtained in step 2; 4. Distill the filtrate of step 3 at 115°C; 5. Distill the distillate of step 4 at 130°C and 0.01MPa Carry out moist heat sterilization for 30 minutes; 6. Add synergistic phosphorus and stir evenly to obtain a botanical fungicide.

Example Embodiment

[0016] Example 3: According to the following steps during preparation: 1. Weigh out 1.4 parts of St. chamaejasme, 4 parts of Artemisia annua, 1.3 parts of Artemisia annua, 0.7 parts of Cinnamomum camphora, 2 parts of tobacco leaves, 1.2 parts of licorice and 2 parts by weight. Salt bran, 4 parts of gall seeds, 1.2 parts of Sophora flavescens and then mix; 2. Extract the mixture of step 1 with ethanol, where the stirring speed during the extraction process is 220r / min, the ethanol volume concentration is 60%, and the extraction time The leaching temperature is 78°C for 36 hours; 3. The product obtained in step 2 is filtered; 4. The filtrate of step 3 is distilled at 113°C; 5. The fraction of step 4 is distilled at 130°C and 0.01MPa Carry out moist heat sterilization for 25 minutes; 6. Add synergistic phosphorus and stir evenly to obtain a botanical fungicide.

[0017] The fungicide prepared in Example 3 was used to prevent and cure Botrytis iris. After the iris was planted, the ro...

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PUM

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Abstract

The invention relates to application of a multifunctional plant-source bactericide to control iris tectorum gray mold. The plant-source bactericide is prepared from the following compositions in parts by weight: 0.5-2 parts of radix stellerae chamaejasmes, 3-5 parts of artemisia carvifolia, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaf, 0.8-1.6 parts of glycyrrhiza uralensis, 1-3 parts of fruit of Chinese sumac, 3-5 parts of galla chinensis, 0.5-2 parts of radix sophorae flavescentis, and 0.2-0.6 part of a synergist. The plant-source bactericide has the advantages of no toxicity, low residue, no pollution, no drug resistance, relatively strong bacteriostatic activity, high selectivity and wide raw material source.

Description

technical field [0001] The invention relates to a fungicide, in particular to the use of a multifunctional botanical fungicide for preventing and treating Botrytis cinerea. Background technique [0002] The application of chemically synthesized pesticides has the characteristics of good control effect and fast action, and is currently one of the important means of pest control. However, a large number of long-term and irrational use of chemically synthesized pesticides, especially the application of highly toxic and high-residue pesticides, has resulted in excessive pesticide residues, polluted the environment and agricultural products, and endangered the health of humans and animals; pests and diseases have developed resistance to pesticides, reduced control effects and even killed Serious natural enemies will cause pests and diseases to rampant again and destroy the ecological balance. This is the so-called "3R" problem of chemical pesticides. [0003] The negative effec...

Claims

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Application Information

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IPC IPC(8): A01N65/38A01P3/00
Inventor 陈妍
Owner 南通市乐悦实业有限公司
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