13 results about "Growth regulation" patented technology

The invention discloses a novel ginseng stem cell culture system which comprises a basic culture medium and a growth regulation composition, and the basic culture medium comprises ammonium sulfate, monopotassium phosphate, magnesium sulfate heptahydrate and calcium chloride; the growth regulating composition comprises 2, 4-dichlorphenoxyacetic acid, zeatin, salicylic acid and natural polysaccharide. The basic culture medium also comprises casein hydrolysate, coconut water extract and cane sugar. The composition also comprises an anti-oxidation composition. The invention further discloses a disposable flexible bioreactor for ginseng stem cell culture, the bioreactor comprises a tank body made of a flexible material, an air distribution device, a sterile sampling device and an online parameter monitoring device, and the top of the tank body structure is a cylindrical body and is provided with an inoculation opening, a culture medium liquid supplementing opening, an air outlet and a sampling opening; the bottom is an inverted cone provided with a parameter monitoring device interface and an air inlet, and the air inlet is connected with a ventilation device and an air flow adjusting device. The invention also discloses application of the culture system and the bioreactor.

This invention provides a plant growth regulatory activity of a new biologically active synthetic molecule methanone-(3′,4′,5′-trimethoxy) phenyl, 1-naphthyl, 2-O-4″-ethyl but-2″-enoate. More particularly, the invention relates to the potent plant growth promoting activity of a gallic acid derivative having a structure represented by Formula 1 and a molecular formulae C26H26O7. This invention also provides a novel process for preparation of said molecule from a naturally occurring compound and testing it for growth regulating activity using Bacopa test system developed at CIMAP (Khanuja et al., 2001).

The invention belongs to the technical field of plant biology, and particularly relates to a protein coded by a larch LarGRF1 gene and application of the protein to plant growth promotion. The invention aims to provide a new choice for plant genetic breeding by exploring growth regulatory factors (GRFs) of larch. The technical scheme of the invention is that the protein coded by the larch LarGRF1 gene has an amino acid sequence as shown in SEQ ID No. 2. Through overexpression of the MarGRF1 gene in dicotyledonous plants and monocotyledonous plants, it is found that an overexpression vector can promote proliferation of plant cells, especially proliferation of calluses and accelerate regeneration and growth.

The invention provides a soybean variety environmental adaptability identification and growth regulation and control method, which comprises the following steps: carrying out a multi-environmental factor interaction test, and carrying out observation data acquisition and pretreatment containing censored data; constructing a Bayesian Weibull AFT model considering the random difference between the multi-environment factor and the soybean variety; fitting the Bayesian Weibull AFT model by using a Markov chain Monte Carlo method, and carrying out model convergence diagnosis and goodness of fit verification; respectively extracting posterior distribution of multiple environmental factors and posterior distribution of soybean variety random differences from the fitted Bayesian Weibull AFT model, and respectively carrying out fixed effect analysis and random effect analysis; and performing variety screening and environment optimization based on analysis results of the fixed effect and the random effect. According to the method, effective utilization of the deleted data, multi-environmental factor interaction quantification and accurate evaluation of varieties and environmental effects are realized.

The present application belongs to the field of biotechnology, and particularly relates to Hermetia illucens Cyp311a1 gene, dsRNA and application thereof. In order to regulate the growth and development of Hermetia illucens, the Hermetia illucens Cyp311a1 gene is obtained: the target gene is obtained through nested PCR, the target gene is connected with a T vector, is transferred into competent cells, white spots are picked to LB liquid medium, and bacterial liquid PCR is carried out, and bacterial liquid with a target band is sent for sequencing. The dsRNA synthesized by the Hermetia illucens Cyp311a1 gene and the application in insect growth and development: upstream primers and downstream primers with T7 promoters are designed, PCR amplification is carried out, and the dsRNA template is obtained by cutting and recovering the gel, the dsRNA is synthesized by in vitro transcription, after the Hermetia illucens larvae are injected with the dsRNA, the growth and development of the larvae are delayed.

The application discloses a kind of fungus grass tissue culture seedling nutrient medium growth regulation system and regulation method, belong to plant tissue culture technical field.A kind of fungus grass tissue culture seedling nutrient medium growth regulation system and regulation method, comprising: nutrient medium deployment and supply unit, for deployment and provide at least two different components nutrient medium solution to tissue culture seedling according to control instruction;Environmental parameter regulation unit, for adjusting at least one physical environmental parameter in the growth environment of tissue culture seedling;Monitoring unit, for real-time or timing obtaining the growth state information of tissue culture seedling;Control unit is respectively connected with the nutrient medium deployment and supply unit, environmental parameter regulation unit and monitoring unit communication;The control unit is configured with the synergistic regulation strategy of fungus grass tissue culture seedling in different growth and development stages;The present application is to solve the significant problems in the prior art, such as static nutrition medium, mutual fragmentation of regulation factors, insufficient fungus grass variety adaptability.

The invention discloses a special plant modeling growth regulator device and a using process thereof, and relates to the technical field of databases, the device structurally comprises a regulating part, a color-changing indicator lamp and a growth monitoring sensor, the device integrates modeling regulation and growth state monitoring, intelligent multifunctional regulation is achieved, and the device is convenient to use and popularize. Through the adjustable main body frame, the supporting arm and the fixing clamp structure, according to the characteristics and growth requirements of different plants, the growth direction and posture of the plants are flexibly adjusted, a unique shape is formed, various built-in sensors can monitor the growth environment of the plants in real time, and the color change of the color-changing indicator lamp is controlled according to data of the sensors; by means of the intelligent design, the device can automatically adapt to the growth law of plants, the growth trend is predicted in advance, early warning is given out, a user can take corresponding measures in time, and great convenience is brought to the user.

The invention discloses a regulator for promoting melon to blossom and bear fruits, and belongs to the technical field of plant growth regulation. The regulator for promoting the melon to blossom and bear fruits is prepared from the following raw materials in parts by mass: 2 to 3 parts of spermidine, 2 to 3 parts of gibberellin, 4 to 6 parts of cytokinin, 2 to 3 parts of ethephon, 4 to 5 parts of seaweed extract, 3 to 4 parts of phytosterol, 10 to 15 parts of xanthan gum and 6 to 8 parts of vitamin E. The regulator can improve the flower bud differentiation effect of the muskmelons, and solves the problems of poor growth and development, unstable fruit setting, yield reduction and the like of the muskmelons under low-temperature stress. In addition, the regulator is long in lasting period and stable in effect, and the use frequency can be reduced under the condition that the effective concentration of the growth regulating substance is guaranteed.

The invention discloses an application of a glucose-6-phosphate dehydrogenase gene in preparation of peripheral nerve growth regulation and control drugs. Experimental data show that the glucose-6-phosphate dehydrogenase gene overexpression vector based on the adeno-associated virus can effectively treat sciatic nerve injury of rats, regeneration of damaged axons is achieved, and sensory function recovery is achieved; meanwhile, the glucose-6-phosphate dehydrogenase gene inhibition vector based on the adeno-associated virus can effectively inhibit recovery of sciatic nerve injury of rats. In conclusion, the invention puts forward and verifies that the regulation of the glucose-6-phosphate dehydrogenase gene expression can regulate the growth and regeneration of sciatic nerves through a gridding protein heavy chain mediated endocytosis mechanism for the first time, and provides a new direction for the treatment of peripheral nervous system related diseases.

The invention discloses an application of a non-traditional myosin IF gene MYO1F in preparation of a peripheral nerve growth regulation and control medicine. The invention proposes and verifies that the expression of the non-traditional myosin IF gene MYO1F can effectively regulate and control the physiological activity of neurons of a peripheral nervous system for the first time, for example, the expression of the MYO1F is inhibited to effectively inhibit the proliferation and migration of Schwann cells; the invention provides a new direction for research and development of drugs for treating Schwann cell-derived diseases and diseases caused by nerve injury.

This invention belongs to the technical field of wolfberry planting equipment, specifically disclosing a windproof and high-yield wolfberry cultivation trellis and its method. The trellis includes symmetrically arranged columns, with a wind-resistant system rotatably connected to the outer side of each column via a T-shaped frame. A fruiting branch support system is installed between the columns. The windproof system includes a guide plate with windproof holes, a connecting beam, a limiting rod, and a counterweight, achieving self-adaptive mechanical wind protection within a 30°-60° range without power. The support system includes an upper and lower fixed frame that can be adjusted vertically and quickly disassembled via sliders and slide rails, facilitating growth regulation and harvesting. Reflective film and reflectors are provided on the inner surface of the guide plate and the inner side of the columns to improve light penetration. This invention also discloses a method for using the trellis. This invention effectively reduces wind damage, optimizes light penetration, and facilitates agricultural operations through a purely mechanical structure. It is low-cost, requires no electricity, and significantly improves the yield, quality, and planting efficiency of wolfberries.

The invention discloses a seedling cultivation growth regulation control method based on a low-voltage electrostatic field, and relates to the technical field of agricultural engineering, and the method comprises the following steps: obtaining a seedling bioelectricity spectrum fingerprint under a unified time baseline, identifying a main frequency cluster, and determining a zero-phase anchor point as an ion channel threshold calculation reference; based on a unified time baseline and a zero phase anchor point, an ion channel threshold curve is collected, a frequency coupling risk surface is constructed, and a frequency avoiding window and a phase constraint condition are extracted as frequency drift calibration input. According to the method, a unified time base line is constructed, a dominant frequency cluster and a zero phase anchor point are extracted, a frequency coupling risk surface is established, dominant frequency drift is dynamically calibrated, a conjugate micro-envelope electric field spectrum shape is generated, and through a time reversal phase gating strategy, accurate closed-loop frequency regulation and control are achieved, resonance out-of-control is effectively prevented, and the germination rate, growth consistency and stress adaptability of seedlings are improved.

A compound algae culture apparatus is provided, which includes a photobioreactor module, a growth regulating module, a circulation transfer module, and a circulation pipeline module. The photobioreactor module includes at least one photobioreactor unit, and the growth regulating module includes at least one growth tank unit. The photobioreactor unit includes a light-transmitting coiled pipe. The growth tank unit has a tank body, and a plurality of partitions are disposed in the tank body to divide an inside of the tank body for formation of a curved flow channel A culture fluid for culturing algae passes through the photobioreactor unit and enters the growth tank unit. A volume of the growth tank unit is larger than a volume of the photobioreactor unit, and a residence time of the culture fluid in the growth tank unit is greater than a residence time of the culture fluid in the photobioreactor unit.