521 results about "Helianthus annuus" patented technology

Fungal / bacterial antagonist combinations, a seed coated with one of the combinations and a plant protected from plant pathogens by one of the combinations. The invention is also a fungal / bacterial antagonist combination comprising a Trichoderma virens fungal antagonist and a Bacillus subtilis var. amyloliquefaciens (Bacillus amyloliquefaciens) bacterial antagonist and its use for controlling plant pathogens as a biocontrol agent, bio-pesticide or bio-fungicide. The invention also finds utility as a fungal / bacterial antagonist combination applied to the seed, stalk or leaf that results in an increase in plant yield. Control of early and late season stalk and root rot caused by fungi such as Fusarium, Phythium, Phytophthora and Penicillium in tomatoes, peppers, turf grass, soybeans, sunflower, wheat and corn is achieved.

The invention discloses a remediation method of heavy metal contaminated soil. The remediation method comprises the steps of applying humic acid on the surface of the heavy metal contaminated soil, turning and evenly mixing the soil with a thickness of 20-30 cm from the contaminated soil surface layer with the humic acid, reacting for 7-15 days and then pre-burying leaching device under a contaminated area of the heavy metal contaminated soil; leaching the soil by using a citric acid solution and a tea saponin solution in sequence through the leaching device, and recycling leaching liquid of the leaching device and leaching liquid containing heavy metals to process intensively after finishing leaching; then applying fruit residues on the soil surface, turning and evenly mixing the fruit residues with the soil with a thickness of 20-30 cm from the soil surface layer, intercropping sunflowers and brassica juncea, harvesting all the biomasses on the ground after the plants are ripe to process intensively. Due to the adoption of the method, high removal rates of various heavy metal ions in the soil are achieved; the soil is remediated completely; meanwhile, the method is low in cost, good in effect and easy to implement.

The invention relates to the technical field of agricultural planting, in particular to a planting method for soybeans. The planting method comprises the following steps: firstly, preparing soil; secondly, selecting and breeding seeds; thirdly, sowing; fourthly, performing field management. Meanwhile, sunflowers are also planted in a furrow between every two ridges for planting the soybeans and around cultivated field; the plant spacing between every two sunflowers is 80-100cm; the planting quantity of the sunflowers in each mu is controlled to be 800-1,200. According to the planting method disclosed by the invention, the soybeans and the sunflowers are simultaneously interplanted, so that a large amount of helpful insects can be attracted for passing the pollination, the plumpness of the soybean and sunflower grains is facilitated to be improved, and the yield is increased; the soybeans are higher in emergence rate, high in fructification rate, more abundant in nutrition and remarkable in yield and benefit; the management is facilitated; the labor force is reduced, the time is saved, the cost is reduced, the easiness for harvesting is realized, the diseases resistance of the soybeans is strong, hazards of diseases and pests are small.

The invention relates to a method for extracting natural low-ester pectin from sunflower heads. The method comprises the following steps: washing; extracting; carrying out ultrafiltration desalination; carrying out ion exchange to remove residual salt; carrying out spray drying; carrying out reverse osmosis; and recovering calcium citrate, wherein a chelating agent used for extraction is sodium citrate, the concentration is 0.4%-1.0% (sodium citrate: water), the extraction solid-to-liquid ratio is 1:20-1:50 (sunflower head dry powder: water), the pH is regulated to 2-4, then a great part of salt is removed by using an ultrafiltration membrane with the interception molecular weight of 5000-10000 Da, and the residual salt is removed by adopting the ion exchange. The method disclosed by the invention can achieve the pectin extraction rate by 10%-15% (in terms of galacturonic acid on raw materials) and is capable of removing the salt by more than 90% through the ultrafiltration desalination; and as for the prepared low-ester pectin, the esterification degree is 25%-30%, the amidation degree is 3%-10%, the content of the galacturonic acid is 65%-80% (on the pectin), and the weight-average molecular weight is 200-300 kDa. According to the method, the sodium citrate as the chelating agent has very high safety and can realize calcium citrate recovery through the addition of calcium hydroxide after reverse osmosis.

The invention discloses a Chinese herb adding feed for promoting lactation of sows and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 30-40 parts of maize, 20-30 parts of barley, 10-15 parts of wheat bran, 5-10 parts of cottonseed meal, 4-6 parts of fish meal, 2-3 parts of soya bean meal, 1-1.5 parts of bone meal, 0.1-0.2 part of Huafen enzyme, 0.4-0.5 part of table salt, 8-12 parts of alternanthera philoxeroides, 2-4 parts of sweet potato vine, 3-6 parts of Poplar bark, 1-3 parts of pumpkin seed, 2-3 parts of lactagogue vine, 2-3 parts of sunflower disk, 5-10 parts of attapulgite and 3-6 parts of waste molasses. According to the invention, the natural Chinese herb is used as a feed additive to be mixed with other nutritional ingredients such as attapulgite, and is used for feeding the sow, the Chinese herb not only an provide various nutrients needed for healthy growth of the sow and increase the palatability of the feed and improve the use ratio of the feed, but also can obviously promote the lactation capacity of the sow and improve the feed intake of the lactating sows.

A new transcription factor coding gene induced by water deficit or abscisic acid of Helianthus annuus, having a homeodomain associated to a leucine zipper, was characterized. The transcription factor is useful to be cloned in DNA constructions for transforming host cells and plants. The transgenic plants comprising the transcription factor gene are tolerant and resistant to harmful environmental conditions such as water stress and high salinity. A nucleic acid promoting sequence is also provided wherein the sequence is induced by water deficit or abscisic acid. Constructions, host cells and transgenic plants that comprise the transcription factor gene are provided.

The present invention relates to improved methods for producing transgenic sunflower plants. Specifically, methods are disclosed for transforming sunflower tissues and regenerating fertile transgenic plants therefrom. The methods are particularly amenable to sunflower tissues, such as cotyledons, which have proven refractory to previous methods of transformation and regeneration.