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Arabidopsis thaliana drought-resistant agent, preparation method and use method

A drought-resistant agent, the technology of Arabidopsis thaliana, applied in application, microbial treatment, organic fertilizer, etc., can solve the problems of poor safety and degradation of drought-resistant agents, and no water absorption, so as to improve soil compaction, increase absorption rate, The effect of increasing relative water content of leaves

Pending Publication Date: 2018-08-28
HENAN INST OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a drought-resistant agent for Arabidopsis thaliana, a preparation method and a use method. Poor sex and degradability, or the problem of no water absorption itself

Method used

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  • Arabidopsis thaliana drought-resistant agent, preparation method and use method

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preparation example Construction

[0028] Based on the same inventive concept, the present invention also provides a method for preparing an Arabidopsis drought-resistant agent, comprising the following steps:

[0029] S1, preparation of fermented corn steep liquor

[0030] Mix sterilized corn kernels, sterile water, Bacillus subtilis and Bifidobacteria in proportions of 1000:10 to 15:3:5 by weight, ferment at 20-30°C for 3 days, sterilize, and grind into corn slurry, then add water equivalent to 50 times the quality of corn steep liquor, stir, filter, and the collected filtrate is fermented corn steep liquor, and the filter residue can be used as organic fertilizer or Arabidopsis culture substrate for Arabidopsis cultivation;

[0031] S2, preparing fermented soybean milk

[0032] Mix sterilized soybeans, sterile water, and Bacillus subtilis inoculum at a weight ratio of 1000:10 to 15:3, ferment at 20-30°C for 5 days, sterilize, grind into soybean milk, and then add 50 times the mass of soybean milk water, st...

Embodiment 1

[0038] An Arabidopsis drought resistance agent is prepared from the following raw material components in parts by weight: 60 parts of fermented corn steep liquor, 40 parts of fermented soybean milk, 10 parts of potassium fulvic acid, 3 parts of gibberellin and 2 parts of soluble starch. The preparation method of the Bacillus subtilis bacterial agent is as follows: the Bacillus subtilis seed liquid is inoculated in a fermenter according to the volume fraction of 5% inoculum, and cultivated at 30° C. with a stirring speed of 200 r / min for 24 hours, and the obtained fermented liquid is passed through 80 mesh The rice bran is adsorbed and dried to obtain the Bacillus subtilis inoculum; the preparation method of the bifidobacteria inoculum and the Bacillus subtilis inoculum is identical; 10 cfu / g. Described Arabidopsis drought resistance agent is prepared according to the following steps:

[0039] S1, preparation of fermented corn steep liquor

[0040] Mix sterilized corn kernels...

Embodiment 2

[0047] An Arabidopsis drought resistance agent is prepared from the following raw material components in parts by weight: 50 parts of fermented corn steep liquor, 45 parts of fermented soybean milk, 15 parts of potassium fulvic acid, 5 parts of gibberellin and 3 parts of soluble starch. The preparation method of the Bacillus subtilis bacterial agent is as follows: the Bacillus subtilis seed liquid is inoculated in a fermenter according to the volume fraction of 3% inoculum, cultivated at a temperature of 35°C and a stirring speed of 200r / min for 18h, and the obtained fermented liquid is subjected to 80 The objective rice bran is adsorbed and dried to obtain Bacillus subtilis inoculum; the preparation method of bifidobacterium inoculum and Bacillus subtilis inoculum is the same; the number of live bacteria in both Bacillus subtilis inoculum and Bifidobacterium inoculum is 10 10 cfu / g. Described Arabidopsis drought resistance agent is prepared according to the following steps: ...

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Abstract

The invention belongs to the technical field of plant drought-resistant agents, and particularly relates to an arabidopsis thaliana drought-resistant agent, a preparation method and a use method. Thearabidopsis drought-resistant agent is prepared from the following raw material components in parts by weight: 50-100 parts of fermented corn steep liquor, 30-45 parts of fermented soybean milk, 5-15parts of potassium fulvate, 1-5 parts of gibberellin and 1-3 parts of soluble starch; the fermented corn steep liquor is a filtrate collected after mixing corn kernels, sterile water, bacillus subtilis microbial inoculum and bifidobacterium microbial inoculum, carrying out fermentation and sterilization, adding water for stirring, and carrying out filtering; and the fermented soybean milk is a filtrate collected after mixing soybeans, sterile water and bacillus subtilis microbial inoculum, carrying out fermentation and sterilization, adding water for stirring, and carrying out filtering. The drought-resistant agent provided by the invention can improve the tolerance of arabidopsis thaliana seeds under drought conditions, and the seed germination rate, seedling survival rate and leaf relative water content are improved.

Description

technical field [0001] The invention belongs to the technical field of plant drought-resistant agents, and in particular relates to an Arabidopsis drought-resistant agent, a preparation method and a use method. Background technique [0002] Arabidopsis, like rape, radish, and cabbage, is a cruciferous plant. As a herbaceous plant, it is widely distributed in Eurasia and Northwest Africa. In my country's Inner Mongolia, Xinjiang, Shaanxi, Gansu, Tibet, Shandong, Jiangsu, Anhui and other provinces have grown. In the past 100 years, with the vigorous development of biology and classical genetics, Arabidopsis has been used as a model plant for plant research due to its small genome, short growth cycle, small plants, and many fruits. Drosophila in ". [0003] my country's water resources are seriously scarce. With the development of economy and the increase of population, the situation of my country's water resources is more severe. Affected by the natural environment, most plan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
CPCC05F9/04C05F11/00C05G3/00C05G3/80C05F11/02C05F11/10C05F17/20
Inventor 孙海丽丁位华代磊刘用生李成伟刘起丽
Owner HENAN INST OF SCI & TECH