Application of castor cake meal coarse extract in inhibition on plant pathogenic pythium

A plant pathogen and castor cake technology, applied in the direction of chemicals, applications, plant growth regulators, etc. for biological control, can solve the problems of seedling shortage, seed destruction, plant seedling death, etc., and achieve the effect of easy degradation

Active Publication Date: 2016-03-23
INNER MONGOLIA UNIV FOR THE NATITIES
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Under suitable climate conditions, it can erupt in a short period of time and spread extremely fast. In severe cases, it can cause large-scale death of plant seedlings, resulting in lack of seedlings or even destruction of seeds, causing serious economic losses to agricultural production.

Method used

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  • Application of castor cake meal coarse extract in inhibition on plant pathogenic pythium
  • Application of castor cake meal coarse extract in inhibition on plant pathogenic pythium
  • Application of castor cake meal coarse extract in inhibition on plant pathogenic pythium

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see Figure 1~4 , in the embodiment of the present invention, the application of the crude extract of castor cake meal in the inhibition of phytopathogenic Pythium comprises the following steps:

[0022] 1. Isolation and identification of plant pathogen Pythium

[0023] Collect plant samples with typical Pythium disease symptoms. Select the material at the junction of disease and health, wash it with tap water for 2 to 3 times, cut it into small pieces of about 5mm...

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Abstract

The invention discloses an application of a castor cake meal coarse extract in inhibition on plant pathogenic pythium. The plant pathogenic pythium includes Pythium ultimum, Pythium aphanidermatum and Pythium arrhenomanes. The castor cake meal coarse extract is prepared through the steps of weighing castor cake meal powder which is crushed and passes through a sieve in 80-120 meshes; adding distilled water, performing reflux extraction and filtering the liquid while hot and collecting a filtrate with medicine residue for later use; adding distilled water to the medicine residue, continuously performing the reflux extraction, filtering the liquid while hot and collecting a filtrate; mixing the two filtrates, and evaporating and concentrating the mixed filtrate to obtain the coarse extract. The invention not only provides an excellent novel bactericide for production but also develops a new approach of utilization of waste in castor industry.

Description

technical field [0001] The invention relates to the field of plant protection, in particular to the application of a crude castor cake meal extract in inhibiting plant pathogenic Pythium. Background technique [0002] Pythium belongs to the genus Pythium of the family Oomycetes, Peronomycetes, Pythium, and is a soil fungus distributed worldwide. It has a strong saprophytic ability and can infect the roots and seedlings of more than 150 kinds of vegetable and fruit crops, causing damping-off , Root rot, rhizome rot and seed rot and other diseases have caused serious losses to agricultural production. Among them, by Pythium melonum ( Pythium aphanidermatum ) caused by damping-off is a worldwide devastating disease in the seedling stage of vegetables, flowers, medicinal plants, tobacco and beans, cotton, corn, sorghum and other plants. Usually after emergence, water-soaked dark spots appear at the base of the stem near the ground, and then expand around the stem, gradually co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/18A01P3/00
CPCA01N65/00A01N65/18
Inventor 银玲于丽丽田迅李依韦赵汝冀照君
Owner INNER MONGOLIA UNIV FOR THE NATITIES
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