A kind of preparation and application method of seed biostimulant sb-mgw9
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A technology of MGW9, cgmccno.18690, applied in the field of seed biostimulants, can solve the problems of long cycle and difficulty, and achieve the effect of improving vitality, improving resistance to resistance, and helping to increase yield and efficiency
Active Publication Date: 2022-07-29
QINGDAO AGRI UNIV +1
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Breeding new varieties of stress-resistant (resistant) crops is a feasible solution, but the cycle is long and difficult; relatively speaking, the research and development of target species seed biostimulant products has become a more efficient strategy
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[0028] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
[0029] like figure 1 As shown, the present invention can stimulate the natural process of plants based on biostimulants. Substances such as microbial beneficial bacteria are important components of seed biostimulants, and their development and utilization will help improve seed vigor, enhance seed germination and seedling resistance ability, and can sustainably affect the yield and quality of plants in later stages. The preparation and application method of the biostimulant for improving the germination tolerance (resistance) of maize seeds involved in the present invention includes ecological investigation and bacterial source sample collection, strain isolation and screening, strain purification, research on the characteristics of target strains, strain growth-promoting ability determination, and strain identification. , seed biostimulant preparation...
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Abstract
The invention relates to the field of seed science, in particular to a preparation and application method of a seed biostimulant SB-MGW9. An important strain Bacillus sp.MGW9 was isolated, screened, purified and identified from the extremely arid soil near Ming Great Wall, Shandan County, Gansu Province. The study found that it has the ability to tolerate salt, fix nitrogen, dissolve phosphorus, and produce indole acetic acid. , the seed biostimulant SB-MGW9 can be directly prepared by using the bacterial solution, and the seed soaking and drying treatment can effectively improve the germination ability of maize seeds in saline-alkali land. The invention can be widely used in corn production in saline-alkali land.
Description
technical field [0001] The invention relates to the field of seed science, in particular to a preparation and application method of a seed biostimulant (Seed Biostimulant of Ming Great Wall 9, SB-MGW9). Background technique [0002] In recent years, biostimulants have become an extremely fashionable term in the global agricultural market. As defined by international organizations, a biostimulant is a substance containing components and microorganisms that, when applied to a plant or rhizosphere, have the effect of stimulating the natural processes of the plant, including strengthening / Beneficial for nutrient absorption, nutrient efficacy, abiotic stress tolerance and crop quality regardless of nutrient composition. In Europe, the use of biostimulants has involved fruit trees (citrus, olives, grapes, etc.), vegetables and fruits (broccoli, peppers, cucumbers, strawberries, tomatoes, melons, etc.), food crops (potatoes, wheat, corn, rapeseed, etc.) ) and flowers, nurseries,...
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