Application of a pyridyl pyrimidinol compound in plant induced resistance

A technology of pyridyl pyrimidinol and induction of resistance, which is applied in the fields of application, plant growth regulator, plant growth regulator, etc., and can solve the problems of affecting plant growth and poor water solubility

Active Publication Date: 2016-08-17
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional plant activators (such as BTH) have problems such as poor water solubility and affecting plant growth

Method used

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  • Application of a pyridyl pyrimidinol compound in plant induced resistance
  • Application of a pyridyl pyrimidinol compound in plant induced resistance
  • Application of a pyridyl pyrimidinol compound in plant induced resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1 Experimental material and method

[0029] 1. Plant materials and strains

[0030] Plant material: Arabidopsis thaliana wild type (Columbia, Col); rice (Oryza Sativa).

[0031] Strains: Botrytis cinerea, NJ-09 strain provided by China Agricultural University, Pseudomonas syringe.DG3, the above strains provided by the Jean laboratory of the University of Chicago.

[0032] 2. Main experimental reagents

[0033] Trypan blue and DAB drugs were purchased from Guangzhou Weijia Technology Co., Ltd. (Sigma imported repackaging); plant activator BTH was purchased from Japan Wako Company; plant activator RJF was purchased from British Maybridge Company; common reagents were analyzed by Guangzhou Chemical Reagent Factory Pure reagents.

[0034] 3. Preparation of nutrient solution and important reagents used in the experiment

[0035] 3.1 The formula of B5 nutrient solution

[0036] Solution A(100×)

[0037] 300mg H3BO3

[0038] 100mg MnSO4·H2O

[0039] 200mg Zn...

Embodiment 2

[0094] Embodiment 2 The effect of novel plant activator of the present invention in the interaction between Arabidopsis thaliana and pathogenic bacteria

[0095] 1. Effects of different concentrations of RJF on the growth and development of Arabidopsis thaliana seedlings

[0096] Spread Arabidopsis wild-type (Col) seeds evenly on the surface of 1 / 2MS medium containing plant activator, put them into the plant room for cultivation, and observe the phenomenon.

[0097] Such as figure 1 , Arabidopsis grown under different concentrations did not appear to inhibit growth.

[0098] 2. Effects of BTH and RJF on root growth and development of Arabidopsis seedlings alone

[0099] Such as figure 2 A, From the plate growth experiment of Arabidopsis, it can be seen that in the 12-day BTH treatment group, the growth of Arabidopsis was inhibited, and the seedlings were short; while in the 12-day RJF treatment group, the growth of the seedlings was not affected It can be seen from the de...

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Abstract

The invention provides an application of a pyridyl pyrimidinol compound in inducing plant resistance. The compound can significantly and rapidly improve the ability of plants to resist pathogenic bacteria infection, the active oxygen signal appears earlier, reduces the cell death caused by plant infection by pathogenic bacteria, and the growth of pathogenic bacteria in plants is significantly inhibited to protect plants from pathogenic bacteria. It will inhibit the growth of plant roots and seedlings, but has a slight growth-stimulating effect on plants, can promote the growth and development of lateral roots of plants, and will not cause secondary pollution of pesticides to the environment, so it has broad application value.

Description

technical field [0001] The invention belongs to the field of biological pesticides, and in particular relates to the application of a pyridyl pyrimidinol compound in inducing plant resistance. Background technique [0002] In recent years, environmental pollution caused by chemical pesticides, pesticide residues and drug resistance problems have become more and more serious, and some of them have been banned from use. The use of inducers to induce plant self-generated systemic acquired resistance (Systemic Acquired Resistance, SAR) has gradually become the development direction of plant disease control. [0003] In nature, plants are always infected by external pathogenic microorganisms throughout the growth and development process. As early as 1861, people have realized that some pathogenic microorganisms in nature can infect plants and cause plant diseases (Schlaich, 2011). Plant pathogenic microorganisms in nature are mainly divided into bacteria, fungi, viruses, nemato...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/54A01P1/00A01P3/00A01P21/00
Inventor 姚楠孙铁军陆赟鸣坂义弘鸣坂真理
Owner SUN YAT SEN UNIV
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