US 12,178,211 B2 · Endophytic fungus Pseudophialophora oryzae P-B313 and its application

Abstract

The present invention discloses an endophytic fungal strain Pseudophialophora sp. P-B313 and an application thereof, and belongs to the technical filed of microbial applications. The deposit number of the endophytic fungal strain P-B313 is CCTCC M 2021504, and the scientific name thereof is Pseudophialophora sp. The endophytic fungal strain P-B313 can enhance the resistance of rice against seedling leaf blast with a control efficiency of 87.56% and a disease index reduced by 62.59. The biological control efficiency of the endophytic fungus P-B313 against seedling leaf blast in rice has great value by promotion and applications thereof in the field of agriculture.

Claims5

Dependent claims

A method of controlling of rice blast by utilizing an endophytic fungus Pseudophialophora sp. P-B313, comprising the following steps:

surface-sterilizing rice seeds;
germinating the rice seeds at 22-25° C.;
co-cultivating germinated rice seeds and the endophytic fungus Pseudophialophora sp. P-B313 for colonization of the fungus in roots of rice seedlings to enhance resistance of rice against seedling leaf blast at seedling stage;
wherein the deposit number for the endophytic fungus Pseudophialophora sp. P-B313 is CCTCC M 2021504 and the scientific name thereof is Pseudophialophora sp.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

17/744,646Filed 14 May 2022

Priority

CN 202110529926.X14 May 2021

Published

US 2022/0361506 A117 Nov 2022

Granted

31 Dec 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

A01N 63/30
Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances…:…
A01P 3/00
Fungicides
C12N 1/145
Fungi ; Culture media therefor: fungi isolates
C12R 2001/645
Microorganisms ; Processes using microorganisms: fungi ; Processes using fungi

Endophytic fungus Pseudophialophora oryzae P-B313 and its application

Life of this patent

Endophytic fungus Pseudophialophora oryzae P-B313 and its application

Life of this patent

Abstract

Claims5