44 results about "Asteraceae" patented technology

Lipo Chitooligosaccharide (LCO) [NodBj-V(C18:1,Mefuc)] isolated from Bradyrhizobium japonicum strain 532C was able to stimulate seed germination/seedling emergence, or in the case of potato, sprouting, of a number of crop plants representing eight distantly related plant families (Poaceae, Fabaceae, Brassicaceae, Cucurbitaceac, Malvaceae, Asteraceae, Chenopodiaceae and Solanaceae) of plants, at 25 and/or at 15° C. It also promoted sprouting potato minitubers. Other LCOs [NodRM-V(C_16:2,5) and LCO from R. leguminosarum] were also shown to also display growth-promoting effects on the tested crop plants. The compositions comprising at least one LCO are shown to be effective in promoting growth under both laboratory and field conditions. The invention thus also relates to methods for promoting seed germination and/or seedling emergence and/or growth of plants comprising subjecting the seeds and/or plants to an effective amount of an agricultural composition comprising at least one LCO.

The present invention provides a method for extracting latex from a plant of the Asteraceae family and a method for cultivating a plant of the Asteraceae family, which allow such plants to be reused. The present invention relates to a method for extracting latex including a cutting step of cutting roots of a plant of the Asteraceae family in such a manner that the roots are partly left on the plant.

The invention discloses a method for appraising the cadmium tolerance of chrysanthemums. The method comprises the following steps: selecting cutting seedlings of different varieties of chrysanthemums, and preculturing the cutting seedlings; after the cutting seedlings are precultured for 3-5 days, carrying out cadmium treatment on the cutting seedlings by using cadmium treatment liquid, wherein the cadmium treatment liquid is a Cd<2+> containing Hoagland nutrient solution, and the concentration of Cd<2+> in the cadmium treatment liquid is 0.5mg/L; and carrying out appraisal on the cadmium tolerance, namely after the cadmium treatment is performed for 30d, appraising the root length, the dry weight of roots, the content of malonaldehyde and the total content of chlorophyll in leaves so as to obtain synthesis scores, and according to the synthesis scores, carrying out synthetical sequencing on the different varieties of chrysanthemums, the greater the synthesis score is, the poorer the cadmium tolerance is, and the smaller the synthesis score is, the higher the cadmium tolerance is. The method disclosed by the invention can be used for establishing the effective screening indexes of cadmium-tolerant chrysanthemum varieties, and providing basis for the heavy metal cadmium resistance and restoration researches of compositae plants.

A method of controlling a weed, which exhibits high herbicidal activity, without causing significant phytotoxicity on switchgrass, miscanthus, giant reed, reed canarygrass, blue stem, erianthus, napier grass or spartina. A method is provided of controlling a weed at a place where switchgrass, miscanthus, giant reed, reed canarygrass, blue stem, erianthus, napier grass or spartina grows, including applying an effective amount of a protoporphyrinogen oxidase inhibiting compound as an active ingredient to a place where switchgrass, miscanthus, giant reed, reed canarygrass, blue stem, erianthus, napier grass or spartina grows or will grow; and the method of controlling a weed at a place where switchgrass, miscanthus, giant reed, reed canarygrass, blue stem, erianthus, napier grass or spartina grows or will grow, wherein the protoporphyrinogen oxidase inhibiting compound is one or more compounds selected from the group consisting of flumioxazin, sulfentrazone, saflufenacil, oxyfluorfen, fomesafen and a compound represented by the following formula (I):

The invention belongs to the environment-friendly technical field of snail-killing plant resource utilization, in particular relates to a method of utilizing an alien invasive plant Ageratum conyzoides L. to control a harmful mollusc golden apple snail which invades South China. The method comprises the step of adding dried powders of the alien invasive plant Ageratum conyzoides L. to directly control the golden apple snail, and is characterized in that 1) the utilized plant is Ageratum conyzoides L. (asteraceae); and 2) the dosage of the dried powders of Ageratum conyzoides L. is 10 g/L. The method has the advantages that the plant material which is Ageratum conyzoides L. is a common alien invasive plant in South China, so that the plant is easily obtained, and under a certain dosage, the golden apple snail can be effectively controlled.

A proteolysate of a seed material derived from a plant species of the Asteraceae family, such as sunflower, has improved properties as a constituent of a culture medium for culturing eukaryotic, in particular animal cells. The seed material is defatted and is hydrolysed to a degree of 10-50% and subsequently separated from insolubles. The cells are particularly cultured for producing desired protein products.

The invention discloses a method for remediating cadmium-contaminated soil with compositae plants, wherein the method comprises the following steps: A, cultivation: sowing and cultivating compositae plants under general soil conditions from late March to early April; B, planting: when compositae plant seedlings are as high as 10-13 cm, selecting cadmium-contaminated soil, preparing the soil, fixedly planting the compositae plant seedlings, and keeping the plant spacing between 30 and 35 cm; C, management: generally without watering and fertilization, spraying a urea solution mixed with potassium dihydrogen phosphate onto leaf surfaces for 1-3 times in the budding period, the flowering period and other growth peak seasons; D, harvesting: harvesting in the flowering period in August to September, wherein the plants after harvesting include ground parts and underground parts; E, repetition: repeating the step B and the step C, and harvesting again in February to March next year; and F, subsequent treatment: repeating the steps until the content of heavy metal cadmium in the selected soil meets environmental safety standards. The compositae plants have short growth cycle, strong adaptability and good ornamental value, and the method can be implemented in most areas.

The present invention provides a method for cultivating plants of the Asteraceae family, which promotes flower bud formation in the reproductive phase. The present invention relates to a method for cultivating plants of the Asteraceae family, wherein the cultivation temperature in the reproductive phase is set lower by at least 5° C. than the cultivation temperature in the vegetative phase to promote flower bud formation in the reproductive phase.

The invention discloses a green manure utilization method for compositae flowers in a pear garden, which comprises the following steps: carrying out soil preparation between rows of the pear garden, removing stubbles and weeds on the ground, planting the compositae flowers after ploughing and raking, performing shallow turning and soil covering after broadcast sowing and conventionally managing fruit trees in the pear garden, wherein a broadcast sowing mode is adopted, the sowing density is 1 kg/mu, the broadcast sowing area is between rows of pear trees and is 50 cm away from the bottoms of the pear trees; and in the final flowering period, cutting the overground parts of the compositae flowers to cover the peripheries of the roots of the pear trees, and reserving the underground parts in the soil. Guizotia abyssinica, coreopsis tinctoria and zinnia elegans are bright in flower color, have high ornamental value and can effectively increase the landscape value of the pear garden in summer when being applied to creation of various landscapes, and due to the fact that the plant height is far lower than that of pear trees, conventional management of the pear garden cannot be affected. Meanwhile, rich nutrients can be provided for soil after cutting, covering and decomposing.

The invention discloses a seed propagation technology of compositae plant atractylodes lancea, belongs to the technical field of atractylodes lancea propagation. According to the seed propagation technology of compositae plant atractylodes lancea, selected ground is treated as a base fertilizer, a three-time topdressing mode is adopted in the subsequent process, the three times of topdressing areseparately that clear liquid dung is applied to each mu of land in May of a seedling stage, artificial fertilizer is applied for the second time of topdressing from the middle ten days of June to thebeginning of July in the prosperous growth period of atractylodes lancea, and topdressing is performed for the third time before flowering in August, a proper amount of plant ash and potassium perphosphate are applied in cooperation with topdressing for the third time, and ammonium sulfate and Bazacycra bacterial fertilizer applied in topdressing for the second time are applied, so that sufficientnutrient support can be kept in the process from seedling formation to flowering of atractylodes lancea; and under the condition of keeping sufficient fertility, flower buds are picked in a matched mode, so that nutrients are concentrated at roots, root growth is promoted, rhizome swelling agents are sprayed properly in the middle ten days of September, and the yield is greatly increased in the later picking process.

The present invention is concerned with extracts of Asteraceae containing reduced levels of phototoxic thiophene derivatives. Novel methods that may result in about a fifty-fold to hundred-fold or more reduction of phototoxic thiophene levels in a commercially attractive process is described. The Asteraceae plant extracts comprising xanthophylls with reduced levels of thiophene derivatives may be used in applications that include nutritional supplements and cosmetics.

The present invention relates to a pharmaceutical composition when used for inhibiting a herpesviridae infection and/or providing relief from a herpesvindae infection in a subject. The composition includes an effective amount of an extract from a plant in the Asteraceae family.

The present invention relates to a method for the transformation of plastid genomes of plant species, in particular Asteraceae plant species, comprising the steps of providing a transformation vector carrying a DNA sequence of interest; subjecting a plant material, which comprises plastids, to a transformation treatment in order to allow the plastids to receive the transformation vector; placing the thus treated plant material for a period of time into contact with a culture medium without selection agent; subsequently placing the plant material into contact with a culture medium comprising a selection agent; and refreshing the culture medium comprising a selection agent to allow plant material comprising plastids that have acquired the DNA of interest to grow into transformants.

The invention discloses an intergeneric distant hybrid creation method of crossostephium chinense and broad-leaved dendranthema vestitum. The method includes the steps that artificial cross breeding is carried out by taking diploid crossostephium chinense in crossostephium chinense genera of compositae as a female parent and hexaploid broad-leaved dendranthema vestitum in chrysanthemum genera of the compositae as a male parent; F1-generation plants are obtained through in-vitro culture on the immature embryos; and hybrid morphology and cytology identification are carried out on the F1-generation material to finally obtain intergeneric true hybrid progenies of the crossostephium chinense and the broad-leaved dendranthema vestitum. According to the intergeneric distant hybrid creation methodof the crossostephium chinense and the broad-leaved dendranthema vestitum, the intergeneric distant hybridization obstacle of the crossostephium chinense and the broad-leaved dendranthema vestitum isovercome, distant hybrid progenies are obtained, and a batch of new germplasm is created.

The invention discloses a cleaning method of saussurea obvallata fruits. The cleaning method includes steps: drying the saussurea obvallata infructescence; using a rubber plug to slightly rub the infructescence on a stainless steel screen net of 1.4-2.36mm in mesh size to enable fruits to shed out from involucre and to be separated from pappus; putting fruits and a small part of pappus mixture in an underframe into a seed separator, selecting to use wind power when rotating speed of a fan is 12-25.46Hz to enable full fruits to be separated from empty fruits, fruits damaged by insects and pappus; manually picking out remaining residue and mixed fruits; using paper bags to pack fruits after being cleaned. The cleaning method is simple and easy to implement and short in needed cleaning time; each of fullness ratio and purity of the fruits after being cleaned can reach 100%, storage space of the fruits in a refrigeratory can be reduced effectively, and convenience is brought to subsequent fetching and using of the fruits. The cleaning method is suitable for cleaning other fruits of the Saussurea DC. and can be used for cleaning other seeds of asteraceae on the condition of changing mesh size of the stainless steel screen net and the rotating speed of the seed separator.

The invention discloses a method for reproduction, cultivation and disease resistance and pest prevention of selenium-enriched Helianthus tuberosus, and relates to the technical field of planting of asteraceae, taccaceae and helianthaceae (Helianthus tuberosus). The method comprises the cultivation process of: (1) selection of seeds; (2) sterilization, disinfection and maintenance of the block seeds: a, performing sterilization, disinfection and maintenance after harvest and before seed storage; and b, performing sterilization, disinfection and maintenance before sowing; (3) preparation of a field: a, performing soil disinfection; b, performing pit digging or ditching; c, preparing selenium-enriched fertilizer; and d, applying the selenium-enriched fertilizer; (4) cultivation, transplanting or direct sowing and seeding of selenium-enriched Helianthus tuberosus seedlings: a, performing seedling cultivation and transplanting in a greenhouse; and b, performing direct sowing, pit plantingand ditch planting; and (5) field management. The cultivated Helianthus tuberosus has less pests and diseases during the whole growth process, the yield of Helianthus tuberosus per mu is improved significantly, and the cultivated Helianthus tuberosus is rich in organic selenium, can be used as a raw material for selenium-enriched health food, so that the nutritional value and economic value of theHelianthus tuberosus are improved.

The invention provides a fluroxypyr-mepthyl, 2,4-D isooctyl ester and fluorasulam compound suspending agent, and relates to the technical field of wheat field weedicides. The suspending agent comprises, by weight, 0.5 part of florasulam, 12.5 parts of fluroxypyr-mepthyl, 37 parts of 2,4-D isooctyl ester, 3 parts of fatty alcohol-polyoxyethylene ether, 5 parts of styrylphenol polyoxyethylene ether, 0.5 part of xanthan gum, 0.3 part of sodium benzoate, 0.5 part of organic silicon and 40.7 parts of deionized water. All the raw materials are put into a preparation kettle, mixed and stirred, then are ground roughly through a colloid mill, ground fine through a sand mill, sampled and analyzed, and then are filtered, measured, packed and stored after being qualified. The compound suspending agent has a good control effect on broadleaf weeds such as clivers, flixweeds, starwort, polygonum weeds and asteraceae weeds in a wheat field, and can obviously improve the effects of the fluroxypyr-mepthyl, the 2,4-D isooctyl ester and the fluorasulam.

The invention relates to a plant extract composition for protecting liver. The composition contains components such as sulforaphane, silymarin and curcumin, etc. The sulforaphane is an extract from crucifers such as broccoli seed, cauliflower and the like. The silymarin is an extract from compositae medical plants such as silybum marianum and the like. The curcumin is an extract from plants such as turmeric, etc. The plant extract composition is a compound composed of sulforaphane, silymarin and curcumin according to the weight ratio of 1:10-50:10-50, and is a novel health product with a liver protection function.

The present invention presents a method for obtaining female inbred lines from Asteracea hybrids, using the species Helianthus annuus as a model The method of the invention is based on the modification of lines with the fertility restorer gene (Rf), obtained from self-pollination of hybrids, in lines presenting normal cytoplasm and not containing the Rf gene. Further, derived male sterile lines were developed. Through the use of this methodology it was possible to obtain female lines from commercial hybrids of sunflower.

The invention discloses an intergeneric distant hybrid creation method of crossostephium chinense and creeping ground-cover chrysanthemum. The method includes the steps that artificial cross breedingis carried out by taking crossostephium chinense of diploid salt-tolerant species in crossostephium chinense genera of compositae as a female parent and creeping ground-cover chrysanthemum of tetraploid salt-tolerant species in chrysanthemum genera of the compositae as a male parent; F1-generation plants are obtained through cross pollination and immature embryo in-vitro culture; and the F1-generation material is subjected to hybrid morphological observation, cytological identification, and flow cytometry analysis to finally obtain intergeneric true hybrid progenies of the crossostephium chinense and the creeping ground-cover chrysanthemum, so that the intergeneric distant hybridization obstacle of the crossostephium chinense and the creeping ground-cover chrysanthemum is successfully overcome. The hybrid survival rate is increased, the chrysanthemum cultivation period is shortened, and a batch of new germplasm is created.