Korean pseudomonas and application thereof

A technology of Pseudomonas and microbial strains, applied in the field of microbiology

Pending Publication Date: 2022-07-22
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pseudomonas koreansis is a subspecies of Pseudomonas fluorescens, however, there are few r

Method used

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  • Korean pseudomonas and application thereof
  • Korean pseudomonas and application thereof
  • Korean pseudomonas and application thereof

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] The invention provides Pseudomonas korea and application thereof, especially the application of Pseudomonas korea to promoting tomato growth and improving tomato drought resistance under drought stress.

[0028] 1. The present invention describes the technical scheme in detail through the following tests

[0029] (1) Effects of fermentation filtrate of Pseudomonas koreensis GS (hereinafter referred to as P. koreensis GS) on tomato seed germination under drought stress

[0030] The effects of P. koreensis GS cell-free fermentation filtrate seed soaking on tomato response to drought stress were revealed through the simulated drought stress test in polyethylene glycol dish.

[0031] (2) Effects of P. koreensis GS fermentation filtrate on growth morphology and drought tolerance indexes of tomato seedlings under drought stress

[0032] (3) Effects of P. koreensis GS fermentation filtrate on growth morphology and cold tolerance of tomato seedlings under chilling stress.

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Abstract

The invention belongs to the field of microorganisms, and relates to Pseudomonas koreensis and application, the Pseudomonas koreensis is Pseudomonas koreensis GS, the Pseudomonas koreensis GS is submitted and preserved in the China General Microbiological Culture Collection Center (CGMCC) on September 22, 2021, and the preservation number is NO.23459. The invention further discloses a preparation method of the Pseudomonas koreensis GS. The invention provides Korean pseudomonas capable of improving the growth condition of tomato plants under the drought stress condition, improving the tomato resistant enzyme activity, reducing the cell MDA content and improving the tomato drought tolerance and application thereof.

Description

technical field [0001] The invention belongs to the field of microorganisms, and relates to a Korean pseudomonas and applications. Background technique [0002] Crop growth will be affected by a series of environmental factors, among which drought, salinity and low temperature are the main factors that lead to the decline of crop yield. Drought stress seriously affects the growth, development and reproduction of plants, resulting in a large reduction in crop yields. According to statistics, drought can cause up to 90% of agricultural economic losses and is one of the most serious natural disasters. my country is one of the countries with severe water shortage in the world. The dry soil area accounts for more than 1 / 2 of the country's land area. Soil water resources are very scarce, and crop cultivation often faces the risk of drought stress. Drought stress directly affects various stages of plant growth and development, causing a series of negative effects on plants at the...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01N63/27A01P21/00C12R1/38
CPCA01N63/27
Inventor 郭俏景悦曦杨珊珊孙晨瑜李海洋来航线薛泉宏
Owner NORTHWEST A & F UNIV
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