30results about How to "Growth-promoting effect is obvious" patented technology

The invention provides a nitrogen fixing bacterium in mangrove rhizosphere (DZY-N33) and an application thereof. The settlings and rhizosphere soil of the marine mangrove ecological system are bred selectively and in enrichment; a new nitrogen fixing bacterium is obtained by adopting the conventional microorganism separating and purifying methods, that is rhizobium sp. DZY-N33 strain which is stored in CCTCC (China Center for Type Culture Collection) on April 13th, 2007; the CCTCC is located in Wuhan University, Wuhan, China; the collection number is M207045. The strain has high biological nitrogen fixing activity; the microbial inoculum with the bacterium is used to breed mangrove plants such as rhizophora stylosa and bruguiera, which can evidently promote the growth of plant, thereby being capable of preparing the biological nitrogen fixing bacterium fertilizer promoting the growth of mangrove plants.

The invention provides application of cyclopropanesulfonyl amide. A corn seed treating agent is composed of the following components by weight percent: 0.01-95% of cyclopropanesulfonyl amide, 1-20% of an auxiliary agent and the balance of fillers. Cyclopropanesulfonyl amide provided by the invention is used as the corn seed treating agent, has the very obvious effect on promoting the growth of corn root systems and also has obvious promotion effect on plant height; and the length of the root systems can be improved by more than 50% and the root weight is improved by more than 20%.

The invention relates to the technical field of fertilizers, in particular to a multi-nutrient-element fluid fertilizer for seedling culture and a preparation method of the fluid fertilizer. The multi-nutrient-element fluid fertilizer is compounded of reed vinegar liquid and used for seedling culture of trees and vegetables. The fluid fertilizer is characterized by being prepared from reed vinegar liquid, urea, monopotassium phosphate, magnesium salt, molysite and EDTA (Ethylene Diamine Tetraacetic Acid) in the proportion of (0.5-1.5L):(50-100g):(50-100g):(20-50g):(10-30g):(1-10g). The fluid fertilizer is diluted with water into a solution of which the volume is 400-800 times as much as the volume of the original solution; experiments prove that the fluid fertilizer has the beneficial effects of obviously promoting the growth of seedlings, promoting the rooting of seedlings, improving the clustering rate of roots, planting survival rate, thickening stems, increasing the leaf area and chlorophyll content, shortening the seedling culture period of trees by about 7 days, decreasing the seedling culture period of vegetables by about 5 days, thereby further improving the economic benefits.

The invention discloses an application of β-myrcene in drought resistance and growth promotion of alfalfa. β-myrcene is prepared into a low-concentration aqueous solution with Tween 20, and alfalfa seeds are cultivated in a petri dish. The results show that β-myrcene significantly Promoted root growth of alfalfa seedlings. β‑myrcene was selected to prepare an aqueous solution with Tween 20, and sprayed on alfalfa seedlings under normal and drought conditions. Alfalfa has a more significant promoting effect. It can be seen that β‑myrcene has obvious drought resistance and growth promoting effect on alfalfa. β-myrcene is a natural product that can be degraded in nature, is non-toxic and harmless to the environment, and can be prepared in large quantities, with low cost, low concentration, small dosage, strong effect, and high application potential .

The invention discloses an auxiliary fermentation agent, its preparation method and its application in fermented products. The preparation method comprises the following steps: (1) inoculating Leuconostoc mesenteroides in MRS culture medium, at temperature Cultivate at 35-40°C for 18-22 hours to obtain a fermentation broth; (2) collect the bacterial cells from the fermentation broth obtained in step (1) by centrifugation, wash, subpackage, precipitate, and freeze-dry to obtain the final product. The positive and progressive effect of the present invention is that: the present invention provides an auxiliary fermentation agent prepared by Leuconostoc enterica BD01710, and the fermentation medium used in the preparation process has a wide range of sources, low cost, and natural safety; For the growth promotion of probiotics, a binary fermentation system based on Leuconostoc enterococci and probiotics was constructed in fermented products. After adding auxiliary fermentation agents, the growth promotion effect of probiotics in the system was obvious.

The invention discloses the application of a plant hormone in promoting the growth rate, calcification and photosynthesis of large calcified algae. In the present invention, by exploring the effects of IAA, NAA, GA and 6-BA on the growth of large calcified algae under different concentration conditions, it is clear that the four plant hormones all exhibit the characteristics of promotion at low concentrations and inhibition at high concentrations, and the promotion effect of IAA and NAA Significantly higher than GA and 6‑BA. The cultivation mode of adding exogenous plant hormones provided by the present invention has the effect of significantly improving the growth of large calcified seaweeds. Compared with the traditional cultivation, the method provided by the present invention is simple, fast and low in cost, and the cultivated large calcified seaweed can be directly used in the ecological restoration of damaged coral reefs, and it can be used in restoring and maintaining the diversity and stability of coral reef ecosystems. Has a wide range of uses.

The invention discloses a microbial mixed flora for promoting plant growth, which belongs to the technical field of agricultural microorganisms. The mixed microbial flora is composed of Flavobacterium pectinosa, Lysobacterium jyosensii, and Enterobacter mulberry; the mixed microbial flora is prepared by the following method: combining Flavobacterium pectinophilus, Lysobacillus joruishenii, Enterobacter mulberry were inoculated into LB medium respectively, and cultured with shaking at 30°C until the bacterial concentration was O.D. 600 ≈2.0, and then mixed according to the volume ratio of 1:1:1. The mixed flora has a synergistic effect on plant growth, which is better than the growth-promoting effect of a single strain or a pairwise combination of strains, and has stronger adaptability in the actual soil environment.