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Water dispersible granules and application thereof

A technology of dispersible granules and preparations, applied in the fields of application, biocide, fungicide, etc., which can solve the problems of spoilage of polypeptide substances, large dust of wettable powder, inconvenient use, etc.

Inactive Publication Date: 2019-07-23
GANSU AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN201810471947.9 discloses a plant immune inducer, which is a wettable powder, which includes 20% Trichoderma dark virides T2 protein elicitor (TraT2A), and is used in lilies to induce disease resistance against Schizophyllum and Botrytis cinerea It has a good effect, but the wettable powder has a large dust and a low bulk density, which is inconvenient to use and can easily cause health problems
Water formulations contain a lot of water, and the polypeptides in the active ingredients are easily contaminated by bacteria and deteriorated, and liquid pesticides are not easy to transport and store

Method used

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  • Water dispersible granules and application thereof
  • Water dispersible granules and application thereof
  • Water dispersible granules and application thereof

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Embodiment 1

[0028] Embodiment 1: A kind of formulation screening and preparation of water-dispersible granules

[0029] 1 Materials and methods

[0030] 1.1 Materials

[0031] TraT2A: protein extract TraT2A was obtained from the fermented liquid of Trichoderma dark virides T2 strain through centrifugal filtration, salting out, dialysis, and gel filtration chromatography (Sephadex G-100 gel).

[0032] The tested strain: Botrytis cinerea was preserved by the Pesticide Laboratory of Plant Protection College of Gansu Agricultural University.

[0033] Fillers and additives:

[0034] Filler: bentonite, diatomite, calcined kaolin, attapulgite (Shandong Youso Chemical Technology Co., Ltd.); surfactant: sodium methylene bis-naphthalene sulfonate (NNO), polyethylene glycol (PEG), polycarboxylate Salt (5040) (Shandong Youso Chemical Technology Co., Ltd.), calcium lignosulfonate (wood calcium), sodium dodecylbenzenesulfonate (SDBS), sodium dodecyl sulfate (SDS), butylnaphthalene Sodium sulfonate ...

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Abstract

The invention discloses water dispersible granules. The preparation comprises trichoderma atroviride T2 protein elicitors (TraT2A), carrier calcined kaolin, a wetting agent dodecylbenzene sulfonic acid, a dispersing agent polycarboxylate (5040), a disintegrating agent ammonium sulfate, a binder polyvinylpyrrolidone (PVP) and a protective agent ascorbic acid. The preparation is non-toxic and free of residues, and can effectively induce disease resistance of plants.

Description

technical field [0001] The application belongs to the technical field of biological pesticides, in particular to a water-dispersible granule and its application. Background technique [0002] Biopesticides have become a new trend in plant disease control with high efficiency and low toxicity, safety to non-target organisms, and environmental friendliness. Among them, the biocontrol Trichoderma has the characteristics of fast reproduction speed, strong viability, and antagonistic effect on plant pathogenic bacteria. After a lot of research and development, it has been widely used in the biological control of agricultural plant diseases. Studies have shown that in addition to its own antagonistic effect on pathogenic bacteria, some of its metabolites can induce plant disease resistance and promote plant growth. There are many kinds of plant immune inducers with various mechanisms of action, which can improve crop resistance and effectively prevent and control crop diseases. ...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N37/46A01N25/14A01P3/00
CPCA01N37/46A01N25/14A01N63/30
Inventor 梁巧兰李嘉明魏列新吴琼徐秉良张树武
Owner GANSU AGRI UNIV