133 results about "Jatropha" patented technology

The present invention provides methods for increasing oil content in Jatropha Curcas L. plants. The invention further provides the cDNA and protein sequences of Jatropha acetyl CoA carboxylase (ACCase) and methods for cloning and expressing the Jatropha ACCase gene to produce transgenic plants with increased oil content.

The invention relates to the bio-polyol prepared by the Jatropha Curcasl oil by the following methods: the Jatropha Curcasl oil is added with the epoxidizing agent to conduct epoxidation reaction to produce epoxy Jatropha Curcasl oil under the condition that the catalyst exists; the produced epoxy Jatropha Curcasl oil conducts the epoxy bond addition reaction with the ring opening agent containing active hydrogen to produce the mixed hydroxyl fatty acid glyceride; after that, the alcohol or the alcohol amine are added and heated to carry out the alcoholysisreaction to produce the mixed hydroxyl fatty acid ester, namely the bio-polyol. The invention has the advantages that the inventions is high in reaction degree, wide in operation process range, convenient in control, higher in production functionality, convenient in raw material purchase and lower in cost, and does not fight for food with the people and is not affected by the petroleum resource, which is a green product optimizing the ecology. In addition, the invention also has the advantages of strong technology collectiveness and high product conversion.

The present invention relates to methods of reducing chemical fertilizer usage and greenhouse gas nitrous oxide emission and to methods of improving plant growth rate and seed productivity in agriculture through the application of a novel artificially manufactured formula containing a nitrogen-fixing bacterium that efficiently colonizes non-legume plants in aerial parts and the root system. The bacteria inocula and methods are particularly suitable for plants in the genera Jatropha, Sorghum, Gossypium, Elaeis, Ricinus, Oryza and Manihot.

The present invention relates to biological diesel oil and method for preparing same. The technical program is the biological diesel oil contains Jatropha crucas L. seed oil; in said Jatropha crucas L. seed oil, stearic acid content is not more than 0.4 (wt) percents. The method for preparing biological diesel oil comprises production art of the biological diesel oil and refining, improving art of the biological diesel oil; said refining, improving art comprises steps of: a, hydrating and degumming; b, alkali refining and acid removing; c, dehydrating; d intermittent deodorizing; e, emulsification and esterification. The invention has good effect of recucing stearic acid content in the Jatropha crucas L. seed oil, eliminating aromatic compound such as phthalic acid etc., improving burning ability of the biological diesel oil, reducing carbon accumulation in motor cylinder, improving power ability of motor, and discharging index. And the invention has simple producing process and low producing cost.

The present invention relates to a high-efficiency in vitro regeneration method of barbadosnut; the hypocotyls with the highest regeneration frequency are selected by comparing the regeneration frequencies of explants made of different parts of germfree seedlings of barbadosnut on the differential medium; and then the hypocotyls of the barbadosnut are taken as the explants to be separately inoculated into MS differential media of different incretion concentrations and the comparatively optimum inducement and regeneration medium prescription is that MS plus 1.0 mg/LBA plus 2.0 mg/LIAA; and among the radication results of barbodosnut tissue culture seedling induced on media of different concentrations, the radication result of the seedling induced on MS plus 1.0 mg/ LIAA is the best. The establishment of the present invention of a high-efficiency in vitro regeneration method of barbadosnut can make the genetic transformation smoothly implemented and obtain a comparatively high transformation rate and effect; the method laid the foundation for barbadosnut breeding with the modern biotechnology means.

The present invention relates to a commercially viable process for in vitro mass culture of Jatropha curcas. The process for in vitro mass culture of Jatropha curcas is simple, faster, and suitable for production of disease-free root tubers of uniform quality and employs media with a reduced concentration of phytohormones.

The invention discloses a Manioca biological fuel mixture which is prepared by mixing Manioca oil with different types of diesel oil, wherein the fuel mixture is charged by alcohols and surface-active agents, each of the physical and chemical indexes of the mixture reaches or exceeds that of 0# diesel oil.

The jatropha yield increasing and stabilizing cultivation process includes the following steps: growing seedling; transplanting; pruning and shaping through topping-off and shaping to form turned umbrella tree after the jatropha tree grows to 1-1.5 m height and maintaining the tree height during blossom of 2-2.5 m and fruit bearing all the year round; and applying balancing nitrogen fertilizer, phosphate fertilizer and potash fertilizer. The cultivation process has fast growth, increased and stabilized yield, low consumption and easy picking of jatropha fruit.

The invention relates to a grafting method of soft hollow stalk plants. The scion and the rootstock in which the size and maturity are basically the same are selected. The grafting ends of the scion and rootstock are respectively cut into the slopes with the same gradient. One head of the sticker is used to insert into the scion hollow pith part, and the other head is inserted into the rootstock hollow pith part. After the slopes of the scion and rootstock are in tight anastomosis, the grafting opening is closely packed and fastened with bandages and the fracture surface of the scion upper end is well sealed. The survival rate of the grating method of the invention is more than 90%. The method of the invention can be promoted and applied in soft hollow stalk plants such as cassava, castor, jatropha, papaya to meet the goal of the improvement of product yield and product quality.

The invention discloses a jatropha curcas dedicated composite fertilizer, a preparation method and applications thereof. The dedicated composite fertilizer is prepared from the following components in parts by weight: 30 to 35 parts of banana stalk, 35 to 40 parts of manure of livestock and poultry, 5 to 12 parts of liquid monosodium glutamate dreg, 10 to 13 parts of peanut bran powder, 1 to 3 parts of jatropha bran powder, 0.02 to 2 parts of plant insecticide, 1 to 2 parts of water-retaining agent, 0.002 to 0.010 part of microbial inoculant, 1 to 2 parts of urea with a nitrogen content not less than 46.4%, 3 to 4 parts of calcium superphosphate with a P2O5 content not less than 12%, and 2 to 3 parts of potassium chloride with a K2O content not less than 60%. The provided fertilizer is suitable for being used in the seedling period and topdressing period and can be used as a base fertilizer. The jatropha curcas dedicated composite fertilizer has comprehensive and abundant nutrients, can provide enough nutrients for jatropha curcas, and is capable of preventing diseases and insects. Jatropha curcas is usually planted in water-deficient areas such as hillside, high mountains, and the like, and the provided fertilizer can relieve water deficiency. Moreover, the raw material source is wide, the cost is low, and the preparation technology is simple. So the fertilizer can promote the sustainable development of rock desertification region and generates good economic benefit, social benefit, and ecological benefit.

The invention relates to high-performance cyhalothrin pesticide aqueous emulsion and a preparation method thereof. The aqueous emulsion is prepared by mixing the following raw materials by weight percent: 2.5 to 10 percent of high-performance cyhalothrin, 10 to 70 percent of Jatropha seeds biodiesel, 3 to 10 percent of emulphor, 0.5 to 4 percent of high-performance cyhalothrin solvent and the balance of water. The pesticide aqueous emulsion has the advantages that the environment pollution is small, the characteristic is stable, the pesticide aqueous emulsion can be diluted by 2000 to 2500 times of water, can tolerate the temperature of 0 to 65 DEG C, the aqueous emulsion is not layered, the combination of the high-performance cyhalothrin and the Jatropha seeds biodiesel has synergism to the high-performance cyhalothrin, and the aqueous emulsion is suitable for large-scale generalization and application.

The present invention provides a novel glycerol-based heterogeneous solid acid catalyst by simultaneous partial carbonization and sulfonation of crude glycerol obtained as a by-product during the biodiesel process. Solid acid catalyst with similar activity is also prepared from glycerol pitch (by-product of fat splitting) and technical grade glycerol. These glycerol-based solid acid catalysts are employed for esterification of fatty acids and fatty acid present in the high and low free fatty acid (FFA) containing vegetable oils like rice bran, karanja and jatropha; fatty acid distillate; deodorizer distillate and acid oil which are being used as raw materials for the preparation of biodiesel. These catalysts are highly active, reusable and simplify the biodiesel process particularly for fatty acids or high FFA containing vegetable oils by replacing the traditional homogeneous mineral acid catalysts.

The invention discloses Jatropha bio-aviation fuel refined oil, which is characterized in that in the refined oil, the unsaponifiable matter content is less than or equal to 0.2 percent, the metal ion content is less than or equal to 10 ppm, the phosphorus content is less than or equal to 3 ppm, the acid value is less than 5 ImgKOH/g, the moisture content is less than or equal to 1000 ppm, and the appearance is clear and transparent. The invention further discloses a preparation method of the Jatropha bio-aviation fuel refined oil. Due to the situations that on one hand, the method adopts an acidic modifying agent to convert nonhydratable phospholipid into hydratable phospholipid, and on the other hand, the method selects activated carbon with the aperture matched with the size of phospholipid and larger specific surface area and magnesium silicate, and additionally adopts succimer MEA, the nonhydratable phospholipid and metal ions and the like in Jatropha crude oil or in conventional Jatropha refined oil processed by the prior art can be effectively removed, and various performance indexes of the obtained refined oil achieve the standard for the production of the bio-aviation fuel refined oil, so that the possibility of large-scale production of Jatropha bio-aviation fuel is realized; and the method is simple and mature, has low investment cost, and is particularly suitable for industrial application.

The invention discloses a shaping and pruning method of jatropha curcas, which comprises two steps of sapling pruning and cultivation pruning, wherein the saplings before planting are removed from the top and pruned when taking the seedlings, and during the 2-4 years of management and maintenance after cultivation Shaping and pruning should be carried out step by step. The method of the invention can make the main pole of Jatropha curcas single, dwarf the tree body to 2.5-3 meters, increase the number of branches to 5-6 levels, and form an "umbrella" structure, which is beneficial to sufficient photosynthesis, increases flowering and fruiting branches, Increase the amount of results by about 25-30%. Therefore, the present invention can provide technical guidance for tree body dwarfing, reasonable structure tree shape, and improvement of jatropha seed yield, and can generate huge ecological and economic benefits.

The invention relates to the technical field of plant clonal propagation, in particular to a method for raising seedlings by cutting of Jatropha curcas Linn, which comprises the steps of strips picking, seedbed preparation, lopping, cuttage, management after cuttage and management before afforestation, and is characterized in that the upper layer of the seedbed is a coarse river sand layer, and the lower layer thereof is a soil layer. When in cuttage, the part of the branch buried in the ground is cut into the river sand matrix of the upper layer, but is not suitable for rising over the river sand to penetrate into the soil layer. As the entire strip is in the coarse river sand, the good permeability of the strip is guaranteed, simultaneously the strip rotting probability caused by waterlogging is also greatly reduced, after taking root, the strip penetrates into the soil so as to absorb the soil nutrient well, thus ensuring the quality of nursery stock root system; simultaneously the rootage powder processing is not needed in strip cutting, and only the immersion and disinfection by using carbendazim is needed, thus reducing the cost and being a set of method which has simple operation and comparatively extensive management.

The invention discloses a bacteriostat from Jatropha curca, which contains Jatropha curcas extractive, wherein the Jatropha curcas extractive is prepared by using the method comprising the following steps: collecting syrup by choosing and cutting a strong luxuriant Jatropha curcas branch; preserving the syrup for 6 hours at 3-7 DEG C, and clarifying the syrup for 12-24 hours; taking the emulsion at lower layer, thereby acquiring original pulp of a Jatropha curcas tree; or washing and disinfecting fresh leaves of the Jatropha curcas tree; squeezing or smashing the leaves, adding water and soaking the leaves for 12-72 hours; and then filtering and concentrating the filtrate, thereby acquiring a water extract of Jatropha curcas leaves. The invention also discloses a bacteriostasis application of the bacteriostat in planting edible mushrooms. The bacteriostat from Jatropha curcas provided by the invention can be used for restraining fungus which is fostered by bacteria, has ultra-strong sterilization feature, and is characterized by full nutriments. The bacteriostat powder agent from Jatropha curcas which is scientifically prepared has excellent effect of restraining mildew and bacteria in planting edible mushrooms, is free from undesirable impact on the growth of fungus mycelium, and has excellent selective bacteriostasis.

The invention relates to a method for efficiently producing jatropha M_2 seeds processed by EMS (methanesulfonic acid ethyl ester), which comprises the following steps: a preprocessing step: collecting jatropha seeds, and preprocessing the jatropha seeds; a mutagenizing step: mutagenizing the jatropha seeds for an appropriate time by using an EMS solution (with appropriate concentration), and in the process of chemical mutagenizing, simultaneously mixing the seeds with the solution so as to ensure that the EMS solution is uniform in concentration and the jatropha seeds can be fully contacted with the EMS solution; a seedling raising and transplanting step: carrying out seedling raising and timely transplanting on the jatropha M_1 seeds subjected to mutagenizing so as to cultivate jatropha M_1 plants; and a self-pollination step: after the cultivated jatropha M_1 plants reach the flowering stage, carrying out self-pollination on the jatropha M_1 plants, after the fruits of the jatropha M_1 plants get ripe, obtaining the jatropha M_2 seeds. The method in the invention has the advantages that an ethylmethane sulfonate is used as a mutagen for mutagenizing the jatropha seeds, the preprocessing step and the mixing and self-pollination are adopted in the process of mutagenizing, the jatropha M_2 seeds processed by EMS can rapidly be obtained.