11results about How to "Yield is not affected" patented technology

The present application relates to the technical field of genetic engineering, in particular to a rice G1 gene mutant g1-1437, its molecular marker and application. The rice G1 gene mutant g1-1437 provided by the present application takes rice G1 gene as reference sequence, the nucleotide sequence of the rice G1 gene is shown as SEQ ID NO. 8; the gene mutant g1-1437 comprises a mutation site that base C at the 112th position is mutated into base T. The mutation causes the chaff homologous transformation of rice into glume shell substances, which can be used as a phenotype screening marker of transgenic rice. The present application further provides a molecular marker identification method of the mutant, which has a good application prospect in the transference of new germplasm.

This invention discloses the application of the OsCAD3 protein and its encoding gene in regulating resistance to bacterial blight in rice, relating to the field of plant genetic engineering. The amino acid sequence of this gene protein is shown in SEQ ID NO.3. Cloning the gene editing site sequence, constructing a gene editing recombinant vector, and transforming it into rice can improve rice resistance to bacterial blight and ensure stable rice yield. The OsCAD3 gene editing vector constructed in this invention and the new OsCAD3 allele formed through genome editing can be applied to rice breeding for resistance to bacterial blight. Constructing an overexpression recombinant vector of the above gene coding region sequence and transforming it into rice can reduce rice resistance to bacterial blight and ensure stable rice yield. The above gene overexpression vector can be used in rice breeding to regulate bacterial blight. This invention can be used in the fields of rice germplasm resource improvement and genetic breeding, and is of great significance for breeding new rice varieties resistant to bacterial blight.

The utility model discloses a kind of dynamic wind-resistant flexible photovoltaic support, including support, load cable and photovoltaic panel. Photovoltaic panel is ridden on the load cable's cable sleeve by the back of ∩ shape or annular saddle, forms hinged non-fixed connection, can independently rotate around load cable. Each photovoltaic panel is configured with the buffer reset mechanism of spring and / or lever composition, spring has preset yield point, maintains photovoltaic panel stationary power generation when breeze, buffers swing amplitude and automatically resets when strong wind. The utility model uses dynamic wind-resistant route, wind resistance is strong, span is large, pile foundation is less, applicable to agricultural light complementary scene, and the shadow of its fast movement can stimulate crop growth.

The invention relates to the technical field of plant genetic engineering and molecular breeding, in particular to application of CmBt and CmBr genes in regulation and control of bitter taste of muskmelon fruits. Physical interaction exists between muskmelon fruit bitter taste regulation factors CmBt and CmBr proteins, and expression of a bitter taste synthesis key gene CmBi is synergistically activated; the CmbtCmbr double mutants are constructed through a gene editing technology, it is proved that double-gene knockout has a synergistic effect, and the content of cucurbitacine B in all tissue of muskmelon can be more remarkably reduced; field trials show that under induction of forchlorfenuron, bitter taste of fruits of the CmbtCmbr double mutant completely disappears, the effect of the CmbtCmbr double mutant is remarkably superior to that of a single-gene mutant, and quality characters such as fruit weight and sugar degree are not negatively influenced; effective gene resources and germplasm materials are provided for solving the industrial problem that fruits become bitter due to the fact that plant growth regulators are used in muskmelon production.

The invention relates to the field of compound preparation, in particular to a method for preparing thiamine hydrochloride. The method comprises the following steps: carrying out contact reaction on thiamine nitrate, ammonium chloride and hydrogen chloride under the condition of an organic solvent, and separating reaction liquid to obtain thiamine hydrochloride solid. Compared with the prior art, ammonium chloride is used for replacing part of hydrochloric acid to participate in the reaction in the thiamine hydrochloride production process, so that the dosage of hydrochloric acid is reduced, equipment corrosion can be reduced, subsequent wastewater treatment steps are simplified, the product yield is not influenced, the content of other impurities is not increased, new production equipment is not added, and the production cost is effectively saved; furthermore, the materials are recycled, so that a more environment-friendly and cost-saving process route can be realized.

The application discloses an integrated anti-freezing pressure measuring and sampling device, which comprises a pressure measuring part and a sampling part. The pressure measuring part is characterized in that an upper circular groove is formed in the upper part of a main body, the upper circular groove is connected with a union joint through an anti-freezing shell and a thin tube sleeve in an upward direction, and the union joint is connected with a pressure gauge sleeve in an upward direction. The sampling part is characterized in that a side circular groove is formed in one side of the main body and opens outward, a center hole of the side circular groove is connected with a through hole, and a sampling shell is sleeved on the inner wall of the side circular groove. A piston rod is sleeved in the axial hole of the sampling shell. An outer section of the piston rod is sleeved with a stop nut, the stop nut is sleeved with the outer section of the sampling shell, an outer end of the piston rod that extends out of the stop nut is provided with a hand wheel, and a sampling port is formed in the axial hole of the sampling shell in a downward direction. The application belongs to the technical field of petroleum and chemical equipment and solves the problem that sampling cannot be performed due to the freezing of pressure measuring and sampling ports in the prior art.

The invention relates to the technical field of corn dehydration, in particular to application of salicylhydroxamic acid in promoting corn kernel dehydration. The embodiment of the invention provides application of salicylhydroxamic acid in promoting dehydration of corn kernels for the first time. When the salicylhydroxamic acid is applied to the corn, on the premise that the yield of the corn is not affected, the grain filling and maturing process can be accelerated, the dehydration rate of the corn grains is remarkably increased, and the water content of the grains is effectively reduced.

This invention discloses a method for fermenting mung bean-based light-aroma baijiu in a gradient-temperature controlled earthen vat, comprising: S1 Raw material pretreatment, in which shelled mung beans are soaked and steamed at low temperature and then mixed with red sorghum at a mass ratio of 15-20:80-85, followed by high-temperature soaking and steaming to gelatinize; S2 Gradient-temperature controlled earthen vat fermentation, in which light-aroma low-temperature koji is added to the vat for 28 days of fermentation, with the temperature controlled at 18-22℃ in the early stage, rising to 25-28℃ and maintaining it in the middle stage, and then dropping to 15-18℃ in the later stage, with the peak temperature ≤32℃ throughout the process; S3 Distillation, in which steamed rice husks are added and the mixture is distilled, with 65% vol of the middle section of the liquor collected. This invention, through the synergistic effect of mung bean pretreatment and three-stage gradient temperature control, imparts the characteristic light aroma of mung beans while maintaining the typical style of light-aroma baijiu, resulting in a mellow, sweet, and long-lasting liquor with strong process controllability, suitable for large-scale production.

The invention discloses a low-cadmium rice cultivation method giving consideration to grain safety production and soil cadmium extraction and remediation and application, and belongs to the technical field of genetic engineering. According to the method, specific expression of OsHMA3 in rice stems and leaves is driven by utilizing transgenic and genetic transformation technologies, so that the content of cadmium in rice is remarkably reduced. The key function of the OsHMA3 in regulation and control of cadmium accumulation of the overground part of the rice is proved for the first time, cadmium is directionally intercepted in stem and leaf tissues by inducing specific expression of the OsHMA3 in rice stems and leaves, transfer of the cadmium to grains is blocked, enrichment of cadmium in non-edible parts is promoted on the premise that absorption of soil cadmium by root systems and absorption of atmospheric sedimentation cadmium by leaf surfaces are not inhibited, and the cadmium accumulation of the overground part of the rice is promoted. The method not only ensures safe production of grains, but also realizes a mode of'simultaneous production and restoration 'for extracting cadmium from soil through straw removal, and solves the problem of how to effectively deal with atmospheric sedimentation cadmium pollution and simultaneously extract and restore cadmium from soil while reducing the cadmium content of rice.

The invention discloses a seed coating agent for improving the utilization rate of a fertilizer and a pesticide in a direct seeding rice seedling stage, a coating method and application. The coating agent adopts a framework comprising a film-forming bonding framework, a soil nutrient controlled-release component and a plant protection component. When the coated rice seeds prepared by the method are directly sown, the germination rate and the field seedling rate of the coated rice seeds are respectively increased by about 6.0% and 20.0% compared with those of uncoated rice seeds; the reduction of 10% of nitrogen application amount in any period and the reduction of 10-15% of phosphate fertilizer or 10% of potash fertilizer application amount in the whole growth period have no obvious influence on the yield. On the premise of guaranteeing the fertilizer, the reduction of 30% of pesticide has no obvious influence on the yield. Under the condition that the yield is not influenced, the base fertilizer is optimally reduced by 10% and the pesticide is optimally reduced by 20%, and the yield of the rice is not obviously different among three treatments, namely the base fertilizer is reduced by 10%, the tillering fertilizer is reduced by 10%, and the base fertilizer is reduced by 5% and the tillering fertilizer is reduced by 5%.

This invention belongs to the field of animal husbandry and deep processing of agricultural products, specifically relating to a method and its application for cultivating low-cadmium, selenium-rich mealworms using cadmium-containing feed. Specifically, this invention involves adding a low concentration of selenium to a cadmium-containing bran and rice bran feed to raise 3rd-4th instar mealworms. In the later stages of rearing, the mealworms are transferred to a selenium-only feed for cadmium removal, ensuring that the cadmium content in the mealworms does not exceed relevant standards and achieving the goal of efficiently treating cadmium-containing agricultural waste and obtaining low-cadmium, selenium-rich mealworm products. Finally, lipids in the mealworm powder are extracted in one step using low-boiling-point petroleum ether to obtain low-cadmium, selenium-rich mealworm protein powder. In summary, this invention is simple, low-cost, and can efficiently process cadmium-containing materials while simultaneously yielding low-cadmium, selenium-rich, high-quality mealworm products and mealworm protein powder, without affecting mealworm yield. It achieves multiple benefits and has good practical application value.