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Biological orchard cleaning agent for apple orchards as well as preparation method and application method of biological orchard cleaning agent

A kind of orchard and biological technology, applied in the direction of botany equipment and methods, biocides, chemicals for biological control, etc., can solve the problems of apple safety production impact, etc., to achieve transparent appearance, easy degradation, and good stability Effect

Inactive Publication Date: 2017-08-18
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But they all have a certain impact on Apple's safe production

Method used

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  • Biological orchard cleaning agent for apple orchards as well as preparation method and application method of biological orchard cleaning agent
  • Biological orchard cleaning agent for apple orchards as well as preparation method and application method of biological orchard cleaning agent
  • Biological orchard cleaning agent for apple orchards as well as preparation method and application method of biological orchard cleaning agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] 1. Preparation of neem extract and oleander extract

[0039] Collect mature neem fruits, remove rotten and moldy seeds, bake in an oven at 50°C for 12 hours, stir once every 2 hours, take 100g (180 mesh) of dried and crushed neem seeds in a three-necked bottle with stirring, add 60v / v 1000ml of ethanol, stirring and extracting at 60°C for 6h, filtering, adding 600v / v ethanol 600ml to the filter residue, extracting twice under the same conditions, collecting three extracts, at 45-55°C / 0.085-0.09KPa The solvent was recovered to obtain 0.715 g of neem extract.

[0040] Wear gloves to collect oleander leaves in November, dry in an oven at 40°C for 8 hours, stir once every 1 hour, take 100 g of dried and crushed oleander leaves (100 mesh) in a three-necked flask with stirring and condenser , add 1500mL of 40v / v ethanol, reflux and stir at 80°C for 5h, filter, add 800mL of 40v / v ethanol to the filter residue, extract continuously twice under the same conditions, collect the ...

Embodiment 2

[0057] 1. Preparation of neem extract and oleander extract

[0058] Collect mature neem fruits, remove rotten and moldy seeds, bake in an oven at 60°C for 14 hours, stir once every 2 hours, take 100g (150 mesh) of dried and crushed neem seeds in a three-necked bottle with stirring, add 65v / v 1000ml of ethanol, stirred and extracted at 70°C for 6h, filtered, added 600ml of 65v / v ethanol to the filter residue, extracted twice under the same conditions, collected three extracts, and recovered the solvent at 55°C / 0.085KPa to obtain 0.71g neem extract.

[0059] Wear gloves to collect oleander leaves in November, dry in an oven at 45°C for 8 hours, stir once every 1 hour, take 100 g of dried and crushed oleander leaves (100 mesh) in a three-necked flask with stirring and condenser , add 2000mL of 50v / v ethanol, reflux and stir at 85°C for 5h, filter, add 800mL of 50v / v ethanol to the filter residue, extract continuously twice under the same conditions, collect three extracts, / 0.0...

Embodiment 3

[0074] 1. Preparation of neem extract and oleander extract

[0075] Collect mature neem fruits, remove rotten and moldy seeds, bake in an oven at 55°C for 14 hours, stir once every 2 hours, take 100g (200 mesh) of dried and crushed neem seeds in a three-necked bottle with stirring, add 70v / v 1200ml of ethanol, stirred and extracted at 65°C for 8h, filtered, added 700ml of 65v / v ethanol to the filter residue, extracted twice under the same conditions, collected three extracts, and recovered the solvent at 55°C / 0.085KPa to obtain 0.72g neem extract.

[0076] Wear gloves to collect oleander leaves in November (the oleander is highly toxic), dry in an oven at 50°C for 8 hours, stir once every 1 hour, take 100 g of dried and crushed oleander leaves (150 mesh) in the belt Add 2000mL of 50v / v ethanol to the three-necked flask with stirring and condenser, reflux at 85°C for 5h and extract with stirring, filter, add 800mL of 50v / v ethanol to the filter residue, and continuously extrac...

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Abstract

The invention discloses a biological orchard cleaning agent for apple orchards as well as a preparation method and an application of the biological orchard cleaning agent and belongs to the technical field of biopesticide production. The orchard cleaning agent used for the apple orchards in winter is prepared from a melia azedarach extract and a nerium oleander extract as main raw materials with a compounding and blending technology, and in combination with physical orchard cleaning in winter, the purposes of controlling injurious insects and killing pathogenic bacteria are achieved. Most injurious insects and pathogenic bacteria lurk in deadwood and fallen leaves of apple trees in forms of worm eggs and spores in winter, vital movement is quite weak, a toosendanin and nerium oleander mixed pesticide is sprayed while the deadwood and the fallen leaves are removed through shearing, so that plant diseases and insect pests of the apple orchards can be eliminated / reduced, and the biological orchard cleaning agent has quite remarkable control effects on apple rot, ring rot, anthracnose, early-falling disease and core rot and has positive significance in reduction of apple damage caused by tetranychidae, peach fruit moth, oriental fruit moth and adoxophyes orana.

Description

technical field [0001] The invention belongs to the technical field of biological pesticide production, and in particular relates to an apple orchard biological clearing agent, a preparation method and a use method thereof. Background technique [0002] Winter is the incubation period of apple diseases and insect pests. At this time, the vitality of apple diseases and insect pests is weak, and most of them exist in the form of eggs and sporophytes on the rotten leaves of fruit trees or on the soil surface. After being cleaned out, a small part still exists in the soil and on the tree body or on the soil surface. In order to eliminate or reduce the impact of these pests and diseases on the tree body and young fruit, the apple orchard biological garden cleaning agent is used to spray the tree body and the ground. Utilizing the characteristics of plant extract azadirachtin, which has superior insecticidal effect, long duration of drug effect, good low temperature stability, sho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/04A01N65/26A01P1/00A01P3/00A01P7/04
CPCA01N25/04A01N65/00A01N65/26A01N2300/00Y02A50/30
Inventor 李祥蔺旺梅卢瑞
Owner SHAANXI UNIV OF SCI & TECH
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