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1230 results about "Auxin" patented technology

Auxins (plural of auxin /ˈɔːksɪn/) are a class of plant hormones (or plant-growth regulators) with some morphogen-like characteristics. Auxins play a cardinal role in coordination of many growth and behavioral processes in plant life cycles and are essential for plant body development. The Dutch biologist Frits Warmolt Went first described auxins and their role in plant growth in the 1920s. Kenneth V. Thimann (1904-1997) became the first to isolate one of these phytohormones and to determine its chemical structure as indole-3-acetic acid (IAA). Went and Thimann co-authored a book on plant hormones, Phytohormones, in 1937.

Herbicide resistance genes

The subject invention provides novel plants that are not only resistant to 2,4-D and other phenoxy auxin herbicides, but also to aryloxyphenoxypropionate herbicides. Heretofore, there was no expectation or suggestion that a plant with both of these advantageous properties could be produced by the introduction of a single gene. The subject invention also includes plants that produce one or more enzymes of the subject invention alone or “stacked” together with another herbicide resistance gene, preferably a glyphosate resistance gene, so as to provide broader and more robust weed control, increased treatment flexibility, and improved herbicide resistance management options. More specifically, preferred enzymes and genes for use according to the subject invention are referred to herein as AAD (aryloxyalkanoate dioxygenase) genes and proteins. No α-ketoglutarate-dependent dioxygenase enzyme has previously been reported to have the ability to degrade herbicides of different chemical classes and modes of action. This highly novel discovery is the basis of significant herbicide tolerant crop trait opportunities as well as development of selectable marker technology. The subject invention also includes related methods of controlling weeds. The subject invention enables novel combinations of herbicides to be used in new ways. Furthermore, the subject invention provides novel methods of preventing the formation of, and controlling, weeds that are resistant (or naturally more tolerant) to one or more herbicides such as glyphosate.
Owner:CORTEVA AGRISCIENCE LLC

Novel Herbicide Resistance Genes

The subject invention provides novel plants that are not only resistant to 2,4-D and other phenoxy auxin herbicides, but also to aryloxyphenoxypropionate herbicides. Heretofore, there was no expectation or suggestion that a plant with both of these advantageous properties could be produced by the introduction of a single gene. The subject invention also includes plants that produce one or more enzymes of the subject invention alone or “stacked” together with another herbicide resistance gene, preferably a glyphosate resistance gene, so as to provide broader and more robust weed control, increased treatment flexibility, and improved herbicide resistance management options. More specifically, preferred enzymes and genes for use according to the subject invention are referred to herein as AAD (aryloxyalkanoate dioxygenase) genes and proteins. No α-ketoglutarate-dependent dioxygenase enzyme has previously been reported to have the ability to degrade herbicides of different chemical classes and modes of action. This highly novel discovery is the basis of significant herbicide tolerant crop trait opportunities as well as development of selectable marker technology. The subject invention also includes related methods of controlling weeds. The subject invention enables novel combinations of herbicides to be used in new ways. Furthermore, the subject invention provides novel methods of preventing the formation of, and controlling, weeds that are resistant (or naturally more tolerant) to one or more herbicides such as glyphosate.
Owner:CORTEVA AGRISCIENCE LLC

Transplanting method of big camphor trees

A transplanting method of big camphor trees comprises selection of the big camphor trees, transplanting, transplanting transportation of trees, planting and planting management. Particularly, the angle of a planting sunny side cannot be deviated by over 10 degrees, root irrigation is performed by using ABT rooting powder, microorganism fertilizer, bactericide liquid chemical and the like which are used in backfill soil according to a fixed proportion, and 1-naphthylacetic acid alcohol water solution of 100-200ppm is used for irrigation after planting of the big camphor trees. The special technical processing of camphor transplanting is that 1-naphthylacetic acid auxin of 0.01-0.03% is added to used mud, the theory of a big wiping head and a big soil ball is adopted, 1-naphthylacetic acid rooting powder is added to the root portions during transplanting, leaves are picked instantly after planting, a blade surface agent is sprayed to new leaves, and originality is provided in the overwintering and antifreezing aspects. By means of the transplanting method, transplanting survival rate of the camphor trees with the tree age below 20 years is over 99%, and transplanting survival rate of the camphor trees with the tree age over 20 years is over 95%. The transplanting method of the big camphor trees can be suitable for transplanting of big trees and old trees under the conditions of other different altitudes, longitudes and latitudes, climate and the like.
Owner:宋慎汉 +1

Bacillus aryabhattai J5 and application thereof

The invention belongs to the field of microbial resources, and particularly discloses a strain of Bacillus aryabhattai J5 and application thereof in promoting growth of corn. The Bacillus aryabhattai J5 is collected in CGMCC (China General Microbiological Culture Collection Center) on October 15th, 2015 and is filed with the number of CGMCC NO.11508. The Bacillus aryabhattai J5 has functions of producing auxin, siderophore, ammonia and protease, dissolving phosphorus, resisting to salt, realizing antagonism, and the like. As the strain is capable of growing normally in a culture medium with salt content equal to 11%, the strain has good potential in eliminating soil salinization. As content of siderophore produced by the strain is up to 53.7%, the strain has effective disease-prevention property. By the strain, corn seed germination rate can be increased by 12.5%, and accordingly the strain has good growth promoting effect. By application of microbial inoculum prepared from the strain, corn yield is increased by 37.1%, and hundred-grain weight is increased by 35%. It is possible to develop the strain into microbial inoculum, and accordingly the strain has wide application prospect in terms of improving soil nutrient, eliminating salinization, promoting growth of plants, preventing diseases and the like.
Owner:SOUTH CHINA AGRI UNIV

Origin fermentation method and origin fermentation product prepared by same

The invention relates to the field of biological fermentation and in particular relates to an origin fermentation method and an origin fermentation product prepared by the same. The origin fermentation method comprises the following steps: acquiring fresh leaves, pulping and crushing to obtain a leaf slurry; placing the leaf slurry into a fermentation tank, adding sterilized ammonium sulphate, ammonium dihydrogen phosphate, ammonium hydrogen carbonate and an aqueous solution of corn steep liquor dry powder into a fermentation tank so as to be fermented; carrying out cell breakage, ultrafiltration, low-temperature drying and concentrating on a fermentation product, and packaging, so that the origin fermentation product is obtained. The origin fermentation method provided by the invention has the advantages that fresh leaves are crushed, bacteria and enzymes carried by the leaves are directly utilized for carrying out fermentation, no organic solvent, saccharifying enzyme or yeast is added in a fermentation process, the fermentation time is short, main ingredients of the obtained origin fermentation product are active substances beneficial to skin, such as micromolecule plant proteins, plant growth factors, plant activity auxin and part of cell growth factors, and the quality of the obtained origin fermentation product is high.
Owner:北京翰若生物科技有限公司
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