13results about How to "Increased root length" patented technology

This invention belongs to the field of microbial technology, specifically relating to a strain of Acetobacter peroxide 672 and its applications. The Acetobacter peroxide 672 strain of this invention can enhance the antagonistic activity of Pichia pastoris against Rhizoctonia solani and also antagonizes Colloidal anthracnose, providing a multi-faceted solution for the biological control of crop diseases. Furthermore, the strain possesses the ability to produce indoleacetic acid, which can significantly promote the growth and development of grain crops such as wheat and corn, promote root expansion, enhance nutrient and water absorption, and thus effectively increase biomass. In addition, the strain can tolerate and degrade chemical pesticide components such as imidacloprid and carbendazim, alleviating soil pesticide residue pollution, and can effectively alleviate the inhibitory effects of low pH stress on crops, enhancing their stress resistance. Therefore, the Acetobacter peroxide 672 strain of this invention has significant application value in the biological control of crop diseases, crop growth promotion, soil pesticide residue remediation, and enhancing crop stress resistance.

The application belongs to the technical field of fertilizers, and particularly relates to a humic acid organic-inorganic compound fertilizer with slow release and improved fertilizer utilization rate and a preparation method thereof. The humic acid organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 22-30 parts of biogas residue, 35-55 parts of humic acid, 8-13 parts of fine columnar algae powder, 5-8 parts of urea, 12-17 parts of ammonium sulfate, 12-15 parts of superphosphoric acid calcium, 15-20 parts of potassium sulfate and 10-15 parts of slow release coating suspension. Test results show that the humic acid organic-inorganic compound fertilizer with slow release and improved fertilizer utilization rate prepared by the application can reduce the nitrogen and phosphorus release rates of the humic acid inorganic compound fertilizer, has better slow release effect, significantly promotes the plant height, stem diameter and root length of soybeans and corn, has obvious growth promotion effect, and has wide application prospect.

The application provides a strain of protozoan nephrospora NJAU-HN1 and an application thereof, and belongs to the technical field of agricultural microorganisms. The nephrospora NJAU-HN1 has a preservation number of CCTCC NO: C2025172. The nephrospora NJAU-HN1 can directly and effectively inhibit the survival of root-knot nematodes. Application of the nephrospora NJAU-HN1 or a culture thereof can significantly promote the growth of melon plants, increase the fresh weight, dry weight and root length of the plants. The nephrospora NJAU-HN1 provided by the application provides valuable microbial resources for the development of a new microbial preparation for green prevention and control of melon root-knot nematode disease and crop health promotion, and has a good application prospect.

This invention provides a compound microbial agent, its preparation method, and its application in the control of plant root rot, belonging to the field of plant disease biological control technology. The compound microbial agent prepared by combining *Bacillus mohaiweiii* DS-L23, *Pseudomonas fluorescens* DS-PZ-L7, and *Pseudomonas aeruginosa* DS-L22 exhibits significant inhibitory effects against various plant pathogenic fungi of *Codonopsis pilosula*, including *Fusarium oxysporum*, *Fusarium solani*, *Fusarium trifidum*, *Pseudomonas heterostemum*, and *Alternaria alternata*. This compound microbial agent has advantages such as good stability and ease of cultivation. Furthermore, the construction method of the compound microbial agent is simple and easy for industrial mass production. After application, the compound microbial agent provided by this invention has a good control effect on *Codonopsis pilosula* root rot and can promote the growth of *Codonopsis pilosula* plants, reducing the use of chemical pesticides while improving the control effect.

The present application relates to the field of agricultural technology, and discloses a kind of plug seedling substrate and its preparation method and application.The plug seedling substrate includes the following components: tea dregs, coconut bran, inorganic porous material and functional liquid;Wherein, the functional liquid includes the following components: ikdoine, natamycin and polyglutamic acid.The plug seedling substrate provided by the present application provides air permeability with tea dregs, provides water retention with coconut bran, and uses inorganic porous material as the substrate framework, meeting the requirements of seedlings for substrate water retention, air permeability and root growth space, by adding functional liquid containing active ingredients ikdoine, natamycin and polyglutamic acid, while solving the three major problems of water management, disease control and root development.Plug seedling.The tea dregs after extracting tea polyphenols and coconut bran replace non-renewable peat, realizing high-value utilization of agricultural waste, and compared with non-renewable peat, the raw material cost is low and more environmentally friendly.

The application belongs to the technical field of microorganisms, and discloses a salt and alkali tolerant squirrel mammalian coccus and application thereof. Mammaliicoccus sciuri ​ STM10, which is a gram-positive coccus, has been preserved in the China General Microbiological Culture Collection Center with a preservation number of CGMCC No.38450. The strain has salt and alkali tolerance, can play the promoting functions of nitrogen fixation, phosphorus dissolution and resolution, iron carrier production and protease production, and can be prepared into microbial fertilizer. Application of the microbial fertilizer can effectively relieve salt and alkali stress, improve the seed germination and growth ability of crops, improve the physical and chemical properties of saline-alkali soil, optimize the ion environment, promote the nutrient absorption of crops, and provide support for agricultural utilization of saline-alkali land.

The invention discloses a novel Burkholderia sp. Strain and application thereof in tobacco growth promotion, and belongs to the technical field of microorganisms. The new strain is preserved in the China Center for Type Culture Collection (CCTCC), the preservation address is Wuhan University, Wuhan, China, the preservation number is CCTCC NO: M 20252947, and the preservation time is December 18, 2025. The new Burkholderia sp. BP5 is obtained through separation for the first time, the new Burkholderia sp. BP5 has good phosphate solubilizing capacity, seed germination is promoted by remarkably improving the germination rate, germination potential, germination number and root length of seeds, plant growth can be remarkably promoted, and the yield of plants is increased. Meanwhile, the new strain BP5 has a relatively good prevention and treatment effect on plant pathogenic bacterial diseases such as rice bacterial streak, so that the new strain BP5 has a relatively good application prospect.

The invention provides a compound seed soaking agent for improving germination and seedling formation of rice seeds at low temperature and a use method of the compound seed soaking agent, the compound seed soaking agent for rice comprises the following components: H2O2, salicylic acid, melatonin and glucose, and the use method of the compound seed soaking agent for rice comprises the following steps: soaking the rice seeds in a H2O2 solution for 6-8 hours; according to the rice compound seed soaking agent and the seed soaking method thereof, through the synergistic effect of H2O2, salicylic acid, melatonin and glucose, the germination rate of rice seeds under the low-temperature adverse situation can be remarkably increased, and the germination rate of the rice seeds under the low-temperature adverse situation can be remarkably increased; the bud length and the root length of the rice seeds under the low-temperature adversity are obviously increased; the quality of the rice seedlings can be further improved, the number of root systems of the rice seedlings is increased, the rice seedlings are long, germination and growth of the rice seeds under the low-temperature adversity can be well promoted, the problem of low-temperature stress in rice seedling raising or direct seeding can be solved, and the application and popularization prospects are good.

The invention relates to the field of agricultural biology, and particularly discloses a preparation method of phenylalanine (cyclo (leucine-phenylalanine) dipeptide) and application of the phenylalanine (cyclo (L-leucine-L-phenylalanine) dipeptide) in agriculture. The active ingredient of the composition comprises cyclo (L-leucine-L-phenylalanine) dipeptide Cyclo (-L-Leuu-L-Phe) obtained by fermenting and extracting external myrothecium advena CGMCC No. 42202; according to the invention, the cyclic (L-leucine-L-phenylalanine) dipeptide is scientifically compounded with different bioactive substances, and an application mode of flushing or spraying is adopted, so that the growth of crops can be effectively promoted, and the stress resistance of the crops can be enhanced. Specifically, on various crops such as corn, lettuce and tomato, the composition can significantly improve key growth indexes such as plant height, root length, stem diameter and fresh weight.

The present application belongs to the technical field of plant light environment regulation, and particularly relates to a method for regulating growth of citrus seedlings by light supplement. 432 The above-mentioned method can significantly improve the above-ground indexes such as plant height and leaf number, and promote the increase of root system related parameters; the CL3 can significantly increase the total root length, root surface area and root tip number, and has a prominent promoting effect on the development of the underground part, and can improve the morphology of the above-ground part.

This invention provides the application and method of Streptomyces S16-1 in promoting the growth and salt stress tolerance of Leymus chinensis, belonging to the field of microbial technology. Streptomyces S16-1 was isolated from saline soil, with the preservation number CCTCC M 20251940, and its 16S rDNA sequence is shown in SEQ ID NO:1. The Streptomyces S16-1 has functional activities such as salt and alkali tolerance, phosphorus solubilization, nitrogen fixation, and production of 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase. The microbial fertilizer is obtained by expanding the culture of Streptomyces S16-1. Compared with chemical fertilizers, the microbial fertilizer used in this invention is more environmentally friendly. It can not only improve soil fertility and help plants improve their salt and alkali resistance, but also promote the balance and diversity of soil microbial communities, which helps maintain the health and stability of the soil ecosystem.

The present invention discloses the application of the leucine-rich repeat receptor-like kinase OsHSL1 in the production of direct-seeded rice. The nucleotide sequence of the gene OsHSL1 is shown as SEQ ID NO.1, and the amino acid sequence of the encoded corresponding protein is shown as SEQ ID NO.2 in the sequence list. The present invention reports for the first time in rice that the OsHSL1 gene can regulate the growth of primary roots at the germination stage. Experiments show that mutating this gene reduces the length of primary roots of rice, and overexpressing this gene improves the root growth ability of rice at the germination stage. It is proved that the OsHSL1 gene of the present invention regulates the length of primary roots of rice at the germination stage. Utilizing this gene is helpful for screening and cultivating rice varieties with high vigor, and is beneficial to the production of direct-seeded rice.

The invention belongs to the technical field of agricultural microorganisms, and discloses a coxsackii strain which is named as coxsackii P1-4 and preserved in China Center for Type Culture Collection on September 20, 2023, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20231759. The invention further discloses a microbial agent containing the bacterial strain, application of the microbial agent in promoting rice growth and / or improving soil health and application of the microbial agent in reducing the content of cadmium in soil and / or reducing the content of cadmium in rice. The coxakella P1-4 strain and the microbial inoculum thereof provided by the invention can synchronously and remarkably improve the key nutrient indexes of soil, can remarkably improve the contents of nutrients such as NH4-N, NO3-N, organic phosphorus and organic matters in the soil, and comprehensively improve the fertility and biological activity of the soil.