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Plant growth regulator for improving stress resistance and application thereof

A plant growth regulator, plant growth regulation technology, applied in the direction of plant growth regulators, plant growth regulators, biocides, etc., can solve the problems of unpredictable resistance to biotic adversity and abiotic adversity, and achieve excellent thermal stability sex, no side effects, safe side effects

Active Publication Date: 2018-08-28
GENMONT BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, without empirical research, it is impossible to predict whether different plants have the ability to improve resistance to biotic stress and abiotic stress, and it is still necessary to find better plant growth regulators

Method used

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  • Plant growth regulator for improving stress resistance and application thereof
  • Plant growth regulator for improving stress resistance and application thereof
  • Plant growth regulator for improving stress resistance and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment one, prepare plant growth regulator by Lactobacillus paracasei GMNL-32

[0042] First, this example evaluates the mycological characteristics of Lactobacillus paracasei (GMNL-32).

[0043] 1. Mycological characteristics of Lactobacillus paracasei GMNL-32

[0044] The source of Lactobacillus paracasei (Lactobacillus paracasei) GMNL-32 is the gastrointestinal tract of healthy human beings. Its appearance and physiological characteristics have been disclosed in Chinese Patent Publication No. CN 100396771C, which is hereby incorporated as a reference.

[0045] Secondly, Lactobacillus paracasei GMNL-32 was confirmed as Lactobacillus paracasei after being analyzed by API 50CHI V5.1 identification kit (figure not shown).

[0046] In addition, after the total RNA of Lactobacillus paracasei GMNL-32 was extracted using known methods, the 16S was amplified by a primer pair such as sequence number (SEQID NO): 1 and 2 (the upstream primer is a PAF primer, and the downstr...

Embodiment 2

[0051] Embodiment two, assessing the effect of plant growth regulators on improving plant resistance to adversity

[0052] 1. Evaluate the effect of plant growth regulators on improving the resistance of tomato plants to biological stress 1.1 Inoculation of plant pathogenic bacteria

[0053] This embodiment utilizes tomato plant (Solanum lycopersicum, line: Nongyou 301, Nongyou Seedling Company, Taiwan), 4 to 5 weeks old), and its leaves are first fermented by Lactobacillus paracasei GMNL-32 of embodiment one in the field After the culture liquid or the heat-killed fermentation liquid of Lactobacillus paracasei GMNL-32 was treated for 11 times, the following plant pathogenic bacteria were inoculated respectively.

[0054] Colletotrichum gloeosporioides (Colletotrichum gloeosporioides; causing tomato anthracnose) was cultured in 1 / 5 potato-dextrose-agar medium (Potato Dextrose Agar; PDA) medium, with 5 mL of 0.1% water agar containing 0.05% Tween 20 ( water agar; WA) After the...

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Abstract

The invention provides a plant growth regulator capable of improving stress resistance and application thereof. The plant growth regulator is prepared from a lactobacillus fermentation culture solution, has excellent heat stability, is safe, has no side effects, can significantly improve the biological stress resistance and the non-biological stress resistance of plants and further can be used forpreparing a composition for improving the stress resistance of plants.

Description

【Technical field】 [0001] The present invention relates to a plant growth regulator and its application, in particular to a natural plant growth regulator for improving stress resistance and its use. 【Background technique】 [0002] In the process of plant growth, it is often affected by biotic and abiotic adversity, which in severe cases leads to a decrease in crop yield and agricultural economic losses. Generally speaking, biological adversity mostly comes from pathogen infection, and the infected plants will gradually turn yellow, rot, wither or even die. Abiotic stresses, such as high temperature, cold damage, drought, high salinity, and radiation exposure, will change the growth process of plants and generate excessive reactive oxygen species (reactive oxygen species, ROS), leading to oxidative stress, severe cases and even death. [0003] At present, chemical pesticides or fertilizers are mostly applied to help plants overcome the above-mentioned adversities. However, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/02A01P21/00A01N63/20
CPCA01N63/10A01N63/20
Inventor 陈奕兴蔡宛桦黄璻尹黄祥恩许育仁
Owner GENMONT BIOTECH
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