3 results about "Festuca ovina" patented technology

The application discloses a dandelion tillering number regulation gene DgZIP9, a recombinant expression vector and application thereof, and belongs to the technical field of molecular biology. The nucleotide sequence of the DgZIP9 gene is shown as SEQ ID NO:1, and the amino acid sequence coded by the DgZIP9 gene is shown as SEQ ID NO:2. The gene is highly expressed in dandelion stems. A recombinant overexpression vector pCAMBIA1300-CaMV35S-DgZIP9 is constructed, and a transgenic positive strain is obtained through mediation of agrobacterium EHA105. Function verification shows that overexpression of the DgZIP9 can make the dandelion tillering number increase by 69%-124%, and the aboveground biomass is obviously increased, proving that the gene can positively regulate dandelion tillering and increase yield. The application provides that the gene DgZIP9 can be used for breeding of high-tillering and high-yield dandelion varieties, shortening of a breeding cycle, improvement of efficiency, and improvement of the needs of livestock husbandry and ecological management.

The invention belongs to the technical field of agricultural control, and particularly relates to application of ligularia purdomii extract in inhibiting pasture germination, and the ligularia purdomii extract is obtained by extracting the root of ligularia purdomii with an organic solvent. The natural herbicide extracted from the plant ligularia purdomii replaces the traditional chemical herbicide. The ligularia purdomii extract has obvious effects of inhibiting germination potential and germination rate on various common grass seeds, such as poa pratensis, festuca arundinacea, elymus nutans and wheatgrass. Under the level of 0.50 mg / mL, the petroleum ether phase and the ethyl acetate phase can obviously inhibit the germination potential of the poa pratensis; under the concentration of 2.0 mg / mL, the inhibition effect on the germination potential and the germination rate of the poa pratensis, the elymus nutans, the wheatgrass and the festuca arundinacea reaches the maximum, the germination potential of the poa pratensis can be reduced to 0-3.33%, the germination rate can be reduced to 0, and the inhibition effect on other grass seeds is also very obvious.

The invention discloses a preparation method and application of a paenibacillus polymyxa microbial inoculum for promoting the growth of festuca arundinacea and improving soil, and belongs to the field of microbial agricultural application and grassland ecological restoration, the paenibacillus polymyxa YF is preserved in China General Microbiological Culture Collection Center on December 21, 2020, the preservation number of the paenibacillus polymyxa is CGMCC No.21517. By utilizing the colonization capability and metabolic activity of the paenibacillus polymyxa in soil, on one hand, the plant height, the leaf width, the fresh weight and the dry weight of festuca arundinacea are remarkably increased; on the other hand, the soil pH value can be adjusted, the organic matter content is increased, the soil physical and chemical environment is optimized, meanwhile, the stress resistance of festuca arundinacea is enhanced, and complex climate and soil conditions in Qinghai regions are adapted. The paenibacillus polymyxa microbial inoculum is applied to festuca arundinacea planting, has both economic benefits and ecological benefits, and has wide practical application value.