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Pesticide composition containing sophora alopecuroide and vetchleaf sophora root extract as well as preparation method and application thereof

The invention relates to a pesticide composition and a technology for the white thorn flower, which are applied in the field of pesticides and can solve the problems of metabolic interference, influence on photosynthesis, yield loss and the like, and achieve the effects of low effective concentration, improved vitality and low cost.

Inactive Publication Date: 2016-02-03
CHENGDU NEWSUN CROPSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mildew spots are scattered separately in the early stage, and then combined to form a large mildew spot, which can even cover the whole leaf, seriously affecting photosynthesis, disturbing normal metabolism, causing premature aging, and loss of yield
[0005] In the prior art, there is no relevant report about the use of the extracts of Sophora japonica and Nitraria japonica for the prevention and treatment of crop powdery mildew

Method used

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  • Pesticide composition containing sophora alopecuroide and vetchleaf sophora root extract as well as preparation method and application thereof
  • Pesticide composition containing sophora alopecuroide and vetchleaf sophora root extract as well as preparation method and application thereof
  • Pesticide composition containing sophora alopecuroide and vetchleaf sophora root extract as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Embodiment 1 Preparation of the pesticide composition containing Sophora Sophora and Nitraria extracts of the present invention

[0060] a. Extraction: Weigh Sophora Sophorae, remove impurities, wash, slightly moisten, dry, weigh the white thorn flower, remove impurities, wash, moisten thoroughly, dry, mix Sophora sophora and white thorn flower, crush, pass 80 Mesh sieve, add solvent, reflux extraction twice, filter, combine the filtrate, concentrate, make the weight of the extract equal to the weight of the original medicinal material, and obtain the extract bq-01 ~ bq-06; wherein, the parameters are shown in Table 1;

[0061] b. Preparation: Add the additives in Table 2 to the extracts bq-01-bq-06, and stir evenly to obtain the pesticide compositions BQ-01-BQ-06 containing the extracts of Sophora sophorae and Nitraria japonica.

[0062] Table 1

[0063]

[0064] Wherein, the bitter bean and white thorn flower used in the present invention are all purchased from An...

Embodiment 2

[0067] Example 2 Preparation of the pesticide composition containing the extracts of Sophora Sophora and Nitraria japonica of the present invention

[0068] a. Extraction: Weigh bitter beans, remove impurities, wash, slightly moisten, dry, pulverize, pass through 80 mesh sieves, add solvent, reflux extraction twice, filter, combine filtrates, concentrate, so that the weight of the extract is equal to that of the original medicinal material weight, to obtain Sophora Sophorae extract d1-01~d1-03, wherein, the parameters are shown in Table 3;

[0069] Weigh white thorn flowers, remove impurities, wash, moisten, dry, crush, pass through 80 mesh sieves, add solvent, reflux extraction twice, filter, combine filtrates, concentrate, make the weight of the extract equal to the weight of the original medicinal materials, and obtain Nitraria extract d2-01~d2-03, wherein, the parameters are shown in Table 4;

[0070] b. Preparation: Weigh Sophora Sophorae extract, Nitraria japonica extra...

Embodiment 3

[0078] Example 3 Preparation of the pesticide composition containing the extracts of Sophora sophorae and Nitraria japonica of the present invention

[0079] Weigh sophoridine, matrine and auxiliaries according to the ratio in Table 6, mix, stir, stir and mix evenly, and obtain the pesticide compositions BQ-13-BQ-18 containing the extracts of Sophora sophora and white thorn flower.

[0080] Table 6

[0081]

[0082] Among them, sophoridine and matrine were purchased from Nanjing Zelang Biotechnology Co., Ltd.

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Abstract

The invention relates to a pesticide composition containing sophora alopecuroide and vetchleaf sophora root extract as well as a preparation method and application thereof and belongs to the field of pesticides. Aiming at solving the technical problems, the invention provides the pesticide composition containing the sophora alopecuroide and vetchleaf sophora root extract. According to the pesticide composition containing the sophora alopecuroide and vetchleaf sophora root extract, active ingredients are obtained by extracting the following raw medicinal materials in parts by weight: 10-30 parts of sophora alopecuroide and 1 part of vetchleaf sophora root. The common sophora alopecuroide and vetchleaf sophora root extract has a synergistic interaction effect and obvious prevention and treatment effects on crop powdery mildew; the sophora alopecuroide and the vetchleaf sophora root can be commonly extracted so that the content of sophoridine, sophocarpidine and other sterilization active components of which main groups are the same as those of sophoridine and sophocarpidine is improved; the powdery mildew is prevented and treated, the immune system capability of crops can be improved, and the activity can be remarkably improved; Chinese herbal medicines are used as the raw materials so that a pesticide residual problem does not exist; compared with a manner of singly using a chemical source pesticide, the pesticide composition is environmentally friendly; and the effective concentration is low when the pesticide composition is used and the cost is low.

Description

technical field [0001] The invention relates to a pesticide composition containing extracts of Sophora sophorae and Nitraria japonica and its preparation method and application, belonging to the field of pesticides. Background technique [0002] Bitter bean is a plant of the genus Sophora in the family Fabaceae, and it is also known as West bean root, bitter licorice, and bitter bean grass. Bitter bean is a perennial herb, the whole plant is densely covered with off-white silky hairs. Because its roots, stems, leaves and fruits are rich in alkaloids, mainly matrine, oxymatrine, sophocarpine, sophoramine and wild indigo, Sophora sophora has high medicinal value. [0003] White thorn flower, the name of traditional Chinese medicine; it is the root, leaf, flower, fruit and seed of the leguminous Sophora genus white thorn flower. [0004] Powdery mildew can occur from seedlings to earing; it mainly damages wheat leaves, but also stems and ears; it starts to produce small yello...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/20A01P3/00
Inventor 何其明唐齐严寒杨锡良
Owner CHENGDU NEWSUN CROPSCI
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