41results about How to "Does not affect germination rate" patented technology

The invention discloses a vitrification ultralow-temperature preservation method of flax seeds. The vitrification ultralow-temperature preservation method specifically comprises the following steps: collecting sundried fresh flax seeds, loading in a loading solution for 20min under the normal temperature condition, then transferring into a freeze-preservation pipe filled with a vitrification protecting agent, putting in the freeze-preservation pipe in a gradient cooling box, reducing the temperature to -30 DEG C to -60 DEG C, and charging liquid nitrogen for ultralow-temperature preservation; and putting the freeze-preservation pipe out from the liquid nitrogen, naturally unfreezing the flax seeds when the room temperature is greater than or equal to 20 DEG C, rapidly unfreezing the flax seeds in a 30-DEG C water bath box for 1 minute when the room temperature is less than 20 DEG C, and washing for 2-3 times so as to obtain the flax seeds capable of being directly cultured for growth. The vitrification ultralow-temperature preservation method is simple, and convenient to operate; the preserved flax seeds are stable in inheritable characters, the germination rate of 98.67 percent can be obtained in germination tests of the seeds, and the flax seeds can be preserved for a long time.

The invention discloses a cane harvester which comprises a machine frame, a walking mechanism, a cane supporting mechanism, a cutting device, a conveying mechanism, a waste discharging device, a material gathering device, a power mechanism, a hydraulic power system and corresponding control systems, wherein the material gathering device is mounted on the part, on the tail portion of the cane harvester, of the machine frame, the waste discharging device is arranged above the material gathering device, the material gathering device comprises a material gathering box, a material gathering box bearing frame, a material gathering box lifting mechanism and a material gathering box dumping oil cylinder, and the waste discharging device comprises a three-channel box body, an air blower waste discharging component, an overturning oil cylinder, a locking oil cylinder, a latch and a limiting pin. According to the cane harvester, the problem that dumping of the material gathering mechanism is limited by the waste discharging device is solved, integrated automatic harvesting is achieved, full-automatic material gathering, dumping and loading are achieved, production efficiency is improved, and the problems that a loading vehicle enters a cane filed to cause soil compaction and crane head damage and affect the germination rate of canes the next year are solved.

The invention provides a Brassica napus annual multi-generation generation adding method. Four stages including seed pretreatment, transplanting and seedling management, flowering phase management and pod development period management are effectively controlled, and one-year three-cropping or four-cropping (ie, annual three-generation or four-generation generation adding) of the Brassica napus is realized, the seed breeding process is effectively accelerated, and the seed breeding year limit is shortened. The controllable greenhouse cultivation technology is adopted, so that the running around at different places are avoided, the time is saved, and manpower and material resources are saved. The Brassica napus annual multi-generation generation adding method is applied to backcross or cross breeding, and seed breeding of novel high-quality and high-yield disease-resistant varieties of Brassica napus can be accelerated.

The invention discloses a method for fast decomposition in deep tillage and returning of crop stalks in cold regions. The method comprises the following steps: when the crops are harvested in autumn, harvesting the crop stalks and grains together by using a harvesting machine, carrying out coarse crushing on the crop stalks and uniformly spreading on the surface of the field; then carrying out secondary crushing on the stalks crushed primarily by using a stalk crushing machine, wherein the length of the crushed stalks is less than or equal to 15cm; spraying aqueous urine solution with the concentration of 5% on the surfaces of the stalks by using a liquid sprayer, and adjusting C/N of the stalks to be (35-40):1; inoculating a cellulose-decomposing bacterium agent with the stalk amount of 0.1%; and overturning the stalks into deep soil by 30cm by using a large plow. The method disclosed by the invention has the advantages that by optimizing the stalk crushing degree, adjustment of C/N of the stalks, inoculation of the cellulose-decomposing bacterium agent and optimization of a stalk plowing-depth technology, the decomposition rate of the crop stalks can be increased, and the soil fertility can be cultured; and the stalk returning has no influence on the emergence rate of crops next year, the yield of the crops can be increased, the economic benefit value can be increased, simultaneously the agricultural non-point source pollution can be reduced, the agricultural sustainable development can be maintained and the economic benefit and the ecological benefit are obvious.

The invention discloses an aggregating device of a sugarcane combine harvester. The aggregating device comprises an aggregating box, an aggregating box bearing frame, aggregating box dumping oil cylinders, hoist oil cylinders and two door-shaped frames. Each door-shaped frame comprises two sliding rails, two sliding rods and two lifting chains, the sliding rods are slidably connected in the sliding rails, a sprocket wheel rack is arranged on upper connecting rods of the sliding rods, two ends of the lifting chains are respectively connected with the aggregating box bearing frame and the upper connecting rods of the sliding rails, two ends of the hoist oil cylinders are respectively connected with the rear portion of a rack and the upper connecting rods of the sliding rods, two ends of the aggregating box dumping oil cylinders are respectively hinged to the front end of the aggregating box bearing frame and a lateral rod of an aggregating box frame, and the rear end of the aggregating box bearing frame is movably connected with the bottom of the rear end of the aggregating box. Full-automatic aggregating, unloading and loading processes are realized, production efficiency is improved, and soil and cane heads are prevented from being compacted and crushed, so that next-year sugarcane germination rate is unaffected.

The invention provides a rice seed sterilization method. The method includes the step that rice seeds are preheated in 42 DEG C warm water, then soaked in 60 DEG C hot water and cooled. The invention further provides a rice seed sterilization device. According to the method, the rice seeds are preheated in the 42 DEG C warm water, then soaked in the 60 DEG C hot water to be sterilized and finally cooled, no chemical agent is used in the whole sterilization process, and a technical support is provided for organic rice cultivation. Besides, by means of the sterilization method, most germs in rice seed-borne diseases can be effectively killed without influencing the germination rate of the rice seeds or causing pollution to the environment.

The invention relates to a device for killing insects and sterilizing on surfaces of plant seeds and a method thereof. The device comprises a storage bin, a rectifier channel and electro-curtain accelerators, wherein at least two electro-curtain accelerators are distributed on two sides of the rectifier channel. The method comprises the following steps: S1, selecting appropriate processing energyfor the electro-curtain accelerators; S2, irradiating one side of the plant seeds in an irradiation area by virtue of the electro-curtain accelerators; S3, irradiating the other side of the plant seeds in the irradiation area by virtue of the electro-curtain accelerators; S4, storing the irradiated plant seeds. The plant seeds are treated by virtue of high-dose and non-penetrating electron beam characteristics of the electro-curtain accelerators, and the aims of killing insects and sterilizing on the seed surfaces without influencing germination energy and germination rate can be achieved. Thedefects in the traditional seed treatment such as chemical residues, low efficiency, influences on the germination energy and germination rate, difficulty in long-term storage and the like are overcome, and the device can be applied to large-scale cross-regional planting of the seeds without worrying about cross-regional propagation of plant diseases and insect pests.

The invention discloses a rice planting method with an insect prevention function. The rice planting method comprises the following steps: a, selecting a land which is naturally placed for 3-5 years as a seedling cultivation area, and erecting a cultivation bed with a height of 10-20cm by utilizing loosened soil; b, uniformly spreading an organic fertilizer into the cultivation bed; c, uniformly mixing insect-preventive complex liquid and clean water according to a weight ratio of 2:11 so as to make an insect-preventive soaking solution, and maintaining the temperature to be 25-30 DEG C; d, selecting rice seeds with full texture and soaking the rice seeds in the insect-preventive soaking solution for 4-6 hours, and taking out the rice seeds to be piled into a heap; e, covering the rice heap by using a thermal insulation film, uncovering the thermal insulation film to turn the rice heap while covering for every 5-6 hours, and piling into the rice heap until the bud length of the rice seeds is 1-2cm; f, transplanting the germinative rice seeds into the cultivation bed to be cultivated, and spraying the insect-preventive complex liquid once every 10 days; and g, transplanting the seedlings into a rice field, and harvesting the rice in autumn. By taking the insect prevention measure, unnecessary labor expenditure is reduced.

The invention discloses a tea seed preservation device. The tea seed preservation device comprises a box and is characterized in that a plurality of screen plates for placing gravel layers are arranged in the box from top to bottom, tea seeds are buried in the gravel layers, the bottom of the box is provided with an air inlet, a rotary cover plate is arranged on the air inlet, the top of the box is provided with an air outlet, the air outlet is connected with an air outlet pipe, the air outlet pipe is parallelly connected with an air pumping pipeline, an air pump is arranged on the air pumpingpipeline, an atomization nozzle and a cold air nozzle are arranged on the inner lateral wall of the top of the box, and a temperature sensor and a humidity sensor are arranged on the inner lateral wall of the box. The tea seed preservation device has the advantages that the tea seeds can be effectively preserved for a long time, appropriate preservation temperature and humidity can be provided, and the germination rate of the tea seeds is unaffected.

The invention relates to an application of a maize Zm675 gene in plant quality improvement. The invention discloses an application of a Zm675 gene, a Zm675 protein or an expression cassette or vectorcontaining the Zm675 gene in increase of lysine and/or protein content of plants. The Zm675 gene is cloned into maize, and the transgenic maize with the Zm675 gene is constructed. The content of lysine and protein in seeds of transgenic maize enhanced by Zm675 gene expression is significantly increased, and the number of protein bodies in endosperm cells is significantly increased. At the same time, the high protein and high lysine traits of transgenic maize transformed with Zm675 gene can be inherited stably. Zm675 gene has important application value for increasing the content of lysine andprotein in plant seeds and improving the nutritional quality of plants.

The invention relates to the field of machines, in particular to a novel seed sterilization box and a sterilization method. The novel seed sterilization box comprises a box body, wherein a rotating shaft is rotationally mounted on the box body through a bearing; a barrel is arranged in the middle of the rotating shaft; a baffle is arranged inside the barrel; a plurality of holes are formed in the shell; an operable door is arranged on the shell; a group of placed heating plates are arranged below the box body; vent holes are formed in the top of the box body; a temperature control adjusting box is arranged at the lateral upper part of the box body; the temperature control adjusting box comprises a motor, a temperature controller and a power supply wire which extends out; the rotating shaft extends out of the box body and is externally connected with a power output shaft; the power output shaft is in power connection with the motor; a temperature sensor is mounted inside the box body; the temperature sensor is connected with the temperature controller. The sterilization method comprises the following steps: starting a power supply, setting the temperature to heat the internal part of the box body, uniformly heating seeds when the barrel rotates, performing high-temperature variation, cooling, and taking out the seeds. By adopting the technical scheme, compared with the prior art, the novel seed sterilization box and the sterilization method have the benefits that more seeds can be treated, the heating is uniform, the sprouting rate is not affected, and the sterilization is thorough.

The present application discloses a disinfection method of raw material seeds in bean sprout production and an application of the disinfection method. The method comprises the following steps: 1) exposing raw material seeds of bean sprouts to a dry heat treatment atmosphere, wherein the dry heat treatment atmosphere has a temperature of at least 50 DEG C, and exposing the raw material seeds of thebean sprouts until time of the dry heat treatment atmosphere is at least 18 h; and 2) soaking raw material seeds of the bean sprouts after the dry heat treatment to a disinfectant containing ozone nano bubble water for 4-6 h. The disinfection method can significantly reduce occurrence of bean sprout diseases by inhibiting pathogenic microorganisms of fungal anthracnose and bacterial rot disease carried by the raw material seeds of the bean sprouts, does not affect a germination rate of the bean sprouts, is high in safety, free of pesticide residues and simple in processes, and ensures consumption safety of the bean sprouts.

The invention discloses a disinfection method for raw material seeds in bean sprout production and a production method for bean sprouts. The disinfection method for the raw material seeds in bean sprout production comprises the following steps: exposing the raw material seeds of the bean sprouts to a dry heat treatment atmosphere with a temperature of at least 50 DEG C, wherein the time for exposing the raw material seeds of the bean sprouts to the dry heat treatment atmosphere is at least 24 h. According to the disinfection method provided by the invention, by inhibition of fungal anthracnoseand bacterial rot pathogenic bacteria carried by the raw material seeds of the bean sprouts, the occurrence of diseases of the bean sprouts can be significantly reduced; the germination rate of the bean sprouts is not affected; the advantages of high safety, no pesticide residues and simple process are achieved; and the edible safety of the bean sprouts is guaranteed.

The invention discloses a selenium-enriched coating agent. The selenium-enriched coating agent comprises the following components in parts by weight: 0.1 part of a selenium source, 20-60 parts of an adhesive, and 40 parts of water. The invention also discloses selenium-enriched coated corn seeds produced by using the selenium-enriched coating agent and a preparation method of the corn seeds. The selenium-enriched coating agent disclosed by the invention is relatively inexpensive and environmentally friendly, has very high efficiency for biological enhancement of selenium of crops, can effectively prevent seed pests and diseases, greatly reduce a using amount of a selenium fertilizer and improve a utilization rate of the selenium fertilizer; and the selenium-enriched coating agent realizesprecision enhancement, and has lower costs, thereby being very suitable for large-scale production.

The invention discloses a moisture-holding sustained-release seed treating agent for controlling wheat sharp eyespot. The treating agent comprises components in parts by weight as follows: 2.5-3.3 parts of difenoconazole, 9-12 parts of a moisture-holding agent, 10-13 parts of wetting dispersants, 4-6 parts of a film-forming agent, 1-2 parts of dye, 3-5 parts of a sinking agent and 63.7-65.5 parts of a carrier, wherein the difenoconazole is a 95% raw drug, the moisture-holding agent is in the polyacrylamide type, the wetting dispersants are an emulsifier OP-10 and an NNO (naphthalenesulfonic acid/formaldehyde condensation product), the film-forming agent is polyvinyl alcohol 1788, the dye is carmine, the sinking agent is a mixture of argil and xanthan gum in the mass ratio of 3:1, and the carrier is white carbon black. The moisture-holding sustained-release seed coating has the characteristics of good film-forming property, evenness in coating, low toxicity and environment friendliness and can increase the emergence rate of wheat significantly, prolong the lasting period of the agent and increase the utilization rate of soil moisture and the yield of the wheat.