609 results about "Ethephon" patented technology

The invention relates to a plant growth regulator composition containing maleic hydrazide and the purposes thereof. The composition contains maleic hydrazide (A) and a combination of known plant growth regulators, such as paclobutrazol, uniconazole, cycocel, mepiquat chloride, triapenthenol, daminozide, ethephon, taterpex and thidiazuron, wherein the weight ratio of the (A) to the (B) is 1: 300 to 500:1 and preferable 1:100 to 300:1, the (A) and the (B) can be proportioned with known aids and an excipient to prepare any agriculturally acceptable preparation; and the agriculturally acceptable preparation can be diluted with water or soil into a needed concentration of 1-8000 mg / kg, preferable 50-5000 mg / kg and used for regulating the growth of cultured plants, such as hedge plants, lawns, landscape plants, fruit trees, vegetables, economic crops, food oil crops and forage grass through the treatments of irrigation, flood irrigation, fertilization with water, jetting, spraying, scattering, smearing, injecting, transfusing, dressing seeds, spreading fertilizer, dispersing, and the like. The composition has the advantages of wide range of applications, low cost, good effect and synergy.

The invention discloses a plant growth regulating composition and its application. The composition comprises the following components: A) natural abscisic acid, B) gibberellic acid (GA3, or of GA4 +7), and C) an existing plant growth regulator. The existing plant growth regulator is selected from one or more than two of 6-BA (6-benzylaminopurine), thidiazuron, brassinolide, sodium nitrophenolate, potassium nitrophenolate, chlormequat chloride, triacontanol, naphthlcetic acid and its salt, indolebutyric acid and its salt, indoleacetic acid and its salt, ethephon, diethyl aminoethyl hexanoate, paclobutrazol, uniconazole, fulvic acid, Mepiquat chloride, nitrohumic acid, jasmonic acid and triapenthenol. Specifically, the components A), B) and C) are in a weight ratio of 1:0.001-500:0.001-500. The S-ABA (S-abscisic acid) added in the invention can expand the prevention and treatment objects, reduce or prevent phytotoxicity, reduce dosage, and lower the use cost.

The invention relates to a medicinal fertilizer composition, in particular to a method for preparing a medicinal fertilizer composition capable of making corn short and strong to resist lodging and increase yield and use thereof. The composition consists of the following components: A) compound amino acid and trace-element fertilizer chelate; B) plant growth regulator such as ethephon, diethyl aminoethyl hexanoate, and salt thereof; and a proper amount of C) a stabilizer, a surfactant and a solvent. The component A comprises 1 to 50 weight percent of compound amino acid and 1 to 10 mass percent of trace-element fertilizer; the component B comprises 0.1 to 70 weight percent of plant growth regulator; and the component C comprises 0.5 to 10 weight percent of stabilizer, 1 to 20 percent of surfactant and the balance of solvent. Preferably, the medicinal fertilizer composition comprises: A) 5 to 20 weight percent of compound amino acid, and 1 to 5 weight percent of trace-element fertilizer; B) 0.1 to 50 weight percent of plant growth regulator; and C) 0.5 to 5 weight percent of stabilizer, 1 to 10 weight percent of surfactant and the balance of solvent. The medicinal fertilizer composition can be used for corns and can obviously improve yield and quality.

The invention relates to the field of biotechnology and discloses an agilawood production method. The method comprises the steps of first drilling a hole in a trunk of aquilaria malaccensis or aquilaria sinensis, enabling an agilawood inducer formed by plant hormones, inorganic salt and phenethyl alcohol to be added dropwise into the tree in a transfusion mode, then sealing the hole, adding the agilawood inducer dropwise at an interval of 1-2 months, performing treatment for 3-24 months in total, then cutting brown oily matter and yellowish-brown discolored xylem in the trunk, and obtaining agilawood after drying in the sun. The plant hormones are one or more than two of methyl jasmonate, ethephon and 6-BA; and the inorganic salt is one or both of sodium chloride and magnesium chloride. Components of the agilawood inducer are adjusted on the basis of an existing agilawood inducer, a trunk defense system is excited, related enzymes for synthesizing agilawood chemical components are generated and act on phenethyl alcohol, the trunk generates related chemical components in the agilawood, and finally the agilawood is formed by accumulation. According to the method, not only are contents of agilawood oil and sesquiterpenes in the agilawood oil improved, but also contents of alcohol-soluble extracts are improved.

The invention relates to a detection method for plant growth regulator residues in fruits. The detection method comprises the following steps: the QuEChERS method is adopted to extract and purify the plant growth regulator residues in fruits, so as to enable the adding standard recovery rate of the target compound to reach 71%-98%; the RSD ( relative standard deviation) is not higher than 6%; the sensitivity and selectivity are favorable and the recovery rate is stable; the liquid chromatograph tandem mass spectrogram detection method is adopted to simultaneously detect forchlorfenuron, ethephon, 4-sodium chlophenoxycetate and 2,4- sodium acetate-dichlorobenzene oxygen; the detection limits range from 0.5 microgram / kg to 100 microgram / kg respectively; the sensitivity requirement of national limited standard is met. The detection method has favorable sensitivity and selectivity and can serve as a method for detecting the plant growth regulator residues in fruits.

The invention belongs to the technical field of agricultural product deep processing and particularly relates to a safe sprout culture method. The method is characterized by including: purifying and sterilizing sprout seeds, subjecting the same to microwave treatment, soaking and budding treatment, treating with ethylene during budding, lighting the seeds requiring light, treating with ozone after budding, cleaning with ozone water and clean water after sprout harvesting, and packaging. Microwave treatment can evidently increase budding rate of the sprout seeds and increase sprout yield. Ultrasonic atomization treatment provides even and sufficient moisture for the sprouts to prevent sprout withering during growing. The ethylene and air generated from ethephon solution allows the sprouts to be short in roots and robust and bright in sprout body. The ozone treatment can effectively kill bacteria and remove odor, residue is avoided, the sprout bodies are white in appearance, and the quality of the sprouts is improved.

The invention provides a cultivation method for beak-shaped litchis. The cultivation method for the beak-shaped litchis comprises the step of harvesting, wherein clusters and 2-3 leaves at the lower section of each cluster are picked; the step of autumn growth promotion, wherein additional nitrogen phosphorus and potassium fertilizer is applied; the step of root irrigation through polyethylene glycol with concentration of 20%; the step of control over winter growth and ringing, wherein ethyl alcohol with concentration of 95% is sprayed to the ringing position, and whitewash with concentration of 2-4% is sprayed to the leaves; the step of flower bud promotion, wherein mixed cytokinin is sprayed one to two times during the germination period; the step of flower thinning and bud thinning, wherein the mixed solution of ethephon and paclobutrazol is sprayed for bud thinning during the squaring period, and the mixed solution of calcium phosphate, glycine and saccharose fatty acid is sprayed for flowing mining during the flower period; the step of stabilizing of fruits, wherein the mixed solution of monopotassium phosphate, 6-benzylaminopurine, naphthylacetic acid, ethylene glycol, cane sugars, borax and ethyl alcohol with concentration of 95% is sprayed during the growth period of the fruits. The cultivation method for the beak-shaped litchis is designed according to the characteristics of the beak-shaped litchis, is simple in step and convenient to operate, saves manpower and material resources, and effectively improves the seedless rate of the fruits, the quality of the fruits of the beak-shaped litchis, and the yield.

The invention relates to a growth regulator of a combination cotton of thidiazuron and ethephon, which is characterized by comprising the following components according to weight percentage: 45 to 90 percent of active ingredients of the thidiazuron and the ethephon and residual addition agent, wherein, the weight ratio of the thidiazuron and the ethephon is 1:2.5 to 5. The invention adopts osmotic agent of the addition agent, solid carrier, wetting agent and dispersant, etc. commonly used in the agricultural chemical field to be made into wetting powder formulation, the formulation can be used as plant growth regulator for the ripening and defoliation of cotton. The growth regulator of the invention has the advantages of good effects on the defoliation and ripening of cotton, improving the grade of cotton, increasing the output of cotton, especially the output before frost and improving the benefits of farmers.

The invention discloses a regulating method for controlling the sex ratio of the floral organs of jatropha curcas by chemical reagents, pertaining to the technical field of plant growth regulators. The method includes that (1) 40 percent ethephon water solution and gibberellin (GA3) are selected as the chemical agents; (2) the 40 percent ethephon water solution is prepared into the solution with a concentration of 500mg / L to 2000mg / L and the gibberellin is prepared into the solution with the concentration 75mg / L to 100mg / L; (3) the surviving plant which is over two years old and has the capacity of flowering and fruiting is sprayed with the reagent; (4) the whole plant of the jatropha curcas is sprayed with the ethephon water solution just before the flowering prior period; (5) management and caring are carried out after spraying; (6) the gibberellin is sprayed. The method solves the problem of the ratio of the male jatropha curcas flower and the female jatropha curcas flower and can increase the ratio of the male jatropha curcas flower and the female jatropha curcas flower by 10percent to 20percent and effectively promote the flowering and the fruiting of the jatropha curcas and the yield of an individual plant.

The invention relates to a dormancy induction method of deciduous fruit trees and a dormancy inducer thereof. The dormancy induction method comprises the step of spraying a dormancy inducer comprising the components of ethephon and giberellin to deciduous fruit trees to ensure that the deciduous fruit trees enter a dormant state in advance in normal temperature condition, to replace a certain cold accumulating time and to ensure the fruit trees bloom in advance. The dormancy induction method of deciduous fruit trees and the dormancy inducer thereof can effectively make up the insufficiency of cold requirement for subtropical and temperate deciduous fruit trees, can ensure that northern deciduous fruit trees enter a dormant state in advance in normal temperature condition, and can provide guarantee for dormancy, cold accumulating and nutrition accumulating of the fruit trees, and the fruit trees can be mature super early, and higher economic benefit can be created. The dormancy inducer used as an exogenous plant growth regulator has the advantages of low usage amount, small toxic side effect and low cost.

The invention discloses a cotton no-tillage summer direct seeding cultivation method. The method comprises the steps of (1) variety and seed selection, (2) seeding time, (3) chemical weed control, (4) seedling management, (5) chemical regulation, (6) the fertilizing amount and fertilizing method, and (7) ethephon ripening acceleration. In the step of chemical weed control, after planting, preemergence herbicide is evenly sprayed in each 667 m<2>, and weeds are sealed. In the step of seedling management, after cotton seedlings come up out of the ground, a half amount type Bordeaux mixture is sprayed. In the step of chemical regulation, mepiquat chloride is sprayed at the bud stage, at the initial bloom stage and after topping stage respectively, and the dosage and the spraying frequency of the mepiquat chloride are adjusted according to the weather condition, soil fertility, field density and cotton plant growth vigor. In the step of the fertilizing amount and fertilizing method, nitrogen of 12-14 kg is applied in each 667 m<2>, the high dosage is used in cotton which is sowed before May 20th, and the low dosage is used in cotton which is sowed after May 20th. In the step of ethephon ripening acceleration, ethephon is sprayed, and the cotton boll opening rate can be improved by more than 20%. The method is easy to implement, operation is simple and convenient, and the effects of lowering cotton production cost, stabilizing or improving cotton yield, increasing cotton planting benefits and reducing environmental burdens are achieved.

The invention relates to an air pineapple flowering time regulation method. According to the method, an air pineapple is induced to flower by the aid of plant growth regulator ethephon. The method includes the steps: (1) forcing flowers of plants; (2) performing floral induction; and (3) accelerating flower bud development. By the aid of the air pineapple flowering time regulation method, the flowering rate of the air pineapple can reach more than 90%, ornamental value and commercial value of the air pineapple are greatly improved, agent cost is low, and an operating method is simple and easy.

The invention relates to a lodging and senility resisting, high photosynthetic efficiency and yield increasing regulator for corn, and a preparation method and an application thereof. The regulator contains 5-aminolevulinic acid, 2-(3,4-dichlorophenoxy)triethylamine and ethephon, and preferably contains an activator and a spreader, and the activator and the spreader are selected from one or more of tween20 and tween60. The regulator can substantially enhance the low temperature cold injury, high temperature, drought and low light stress resistance of corn, increases the effective spike number, the number of grains per spike and the thousand-grain weight of the corn, and increases the output of the corn by 20% or above. The regulator has the characteristics of low cost, use convenience and less field residual, is easy to promote and apply, and has an active promotion effect on Chinese corn production.

The invention discloses a method for promoting discoloration of sapium sebiferum leaves in autumn to improve the appreciation effect of sapium sebiferum trees. The method comprises the following steps: selecting frondent sapium sebiferum trees of 3 year old or older, spraying a 6-BA aqueous solution before or after August 25th, after 6-10 days, spraying a mixed aqueous solution of ethephon and potassium sulfate monobasic to promote generation of anthocyanin so as to promote sapium sebiferum leaves to turn red, after 6-10 days, spraying an aqueous solution of citric acid and saccharose to enable the sapium sebiferum leaves to turn redder and prolong the red leaf period of sapium sebiferum trees. With adoption of the method, the red leaf period of sapium sebiferum trees is prolonged by more than one month on the premise of not affecting the normal growth of sapium sebiferum trees, the leaf color of sapium sebiferum trees is enabled to be bright red and pure, and the landscape effect is excellent. According to the invention, the operation is simple and convenient, and the method is used together with sterilization, deinsectization, greening and maintenance measures in late summer and early autumn, so that the cost is reduced. With the improvement of the appreciation level of people, the requirements of people for landscape architecture is also raised; therefore, the situation that the appreciation effect of fiery-red sapium sebiferum leaves in autumn is fully expressed has excellent prospects on the premise of not changing trees or adopting other methods with much consumption.

The invention belongs to the plant cultivation technical field. A jonquil florescence control method is characterized in that the beginning of the 40-45 days before flowering expectation is taken as the flower promoting period which has 8-hour illumination per day and 16-hour short-day treatment in the darkness for uninterrupted 45 days; the illumination intensity of the illumination time is within 10000-15000lux; at the beginning of flower bud appearance, daminozide B9 is used, and the best application concentration is 2500-5000mg / L; when the lateral branches start growing, or after 20-30 days of short-day illumination treatment, ancymidol is sprayed; after one month of short-day illumination treatment, ethephon with a concentration of 250-500mg / L is sprayed twice, once per week.

The invention discloses a turpentine collection method, a lipotrophic agent used in the method in a matching manner and a method for preparing the lipotrophic agent. The collection method comprises the following steps of: pre-treating a pine tree to be subjected to turpentine collection by spraying 0.05 percent methyl jasmonate; formally cutting and applying the lipotrophic agent; subsequently, cutting and applying the lipotrophic agent every other 15 days until the turpentine collection period in the current year comes to an end; and continuously cutting on the upper edge of the cutting plane of the last year for the collection cutting of the next year. The lipotrophic agent comprises the following components: 18 to 33 parts of 98 percent concentrated sulphuric acid, 150 to 135 parts of water, 25 parts of 40 percent ethephon, 4 parts of vaseline, 2 parts of AE (Ethyl Alcohol Polyoxyethylene Ether), 1 part of CDHT (Cetyl Alcohol), 75 to 65 parts of white carbon black, and 75 to 65 parts of glutinous rice flour. The method for preparing the lipotrophic agent comprises the following steps of: diluting the concentrated sulphuric acid; adding the ethephon reagent; adding the vaseline,the AE and the CDHT; and adding the white carbon black and the glutinous rice flour. According to the invention, the advantages of small cut plane load rate, low cutting frequency, prolonged collection cutting age limit of a single pine tree, increased turpentine yield of the single pine tree and increased production efficiency are achieved.

The invention relates to a dwarfing and pest-killing corn plant core-removing agent, which comprises the following raw material medicaments in percentage by weight: diethyl aminoethyl hexanoate 0.05-2.5, ethephon or paclobutrazol 0.1-3, chlorpyrifos 0.3-3, imidacloprid 0.01-0.09, pirimor 0.1-2.5 and auxiliary the balance. The medicament can complete pest prevention and control and growth regulation by one time of core-removing medicament application, wherein in one time of core-removing medicament application, various corn pests such as ostrinia nubilalis and aphid are prevented and controlled; the average corn plant height is reduced by 20 to 50 centimeters; the prevention and control rate of the ostrinia nubilalis and core-eating worms is over 80 percent; the prevention and control rateof the aphid is over 95 percent; and the corn yield is increased by more than 20 to 50 percent. The medicament is simple convenient in application, labor-saving, medicament-saving and safe, prevents harm caused by the ostrinia nubilalis and aphid in a whole period of growth of corns and completely solves the problem of pest prevention and control in a post-period of corns, thereby increasing cornyield and harvest, reducing environmental pollution and being worthy to be promoted and used.

The invention provides a double-cropping high-efficiency planting method for Tainong mangos. The method comprises the steps: controlling the treetops and hastening blossoms are performed for first cropping in the middle ten days and the last ten days of May, the mango can blossom before and after the Mid-Autumn Day, and the mangos can come into the market before the New Year's Day; after he mangosare picked, hastening blossoms is performed for second cropping before the New Year's Day, and second-cropping mangos can be picked in the middle ten days and the last ten days of May. In hastening the blossoms, a flow hastening agent which is prepared from one or several of combination 1, combination 2 and combination 3 is utilized; the combination 1 is prepared from the ingredients of potassiumnitrate and 6-BA, and a ratio of the potassium nitrate to the 6-BA is (5 to 15g) to 0.02g; the combination 2 is prepared from the ingredients of cytokinin and sodium nitrate, and a ratio of the cytokinin to the sodium nitrate is (0.01 to 0.1g) to 26.67g; the combination 3 is prepared from the ingredients of paclobutrazol and ethephon, and a ratio of the paclobutrazol to the ethephon is (0.5 to 1.5g) to 1ml. The double-cropping high-efficiency planting method disclosed by the invention can remarkably improve a yield of Tainong No.1 mango production, achieves high-efficiency mango cultivation,has positive significance in mango industry development and fruit farmer increment and has a wide popularization and application prospect.

The invention discloses an efficient environment-friendly liquid fertilizer. The fertilizer is prepared from the following raw materials in parts by weight: 1-2 parts of zinc sulfate, 5-6 parts of artemisia hedinii leaves, 12-16 parts of straw ash, 5-6 parts of potassium fulvate, 2-4 parts of potassium hydroxide, 7-10 parts of flolia convallariae, 6-8 parts of oyster shell powder, 8-10 parts of urea, 6-7 parts of monopotassium phosphate, 2-3 parts of calcium propionate, 0.1-0.3 part of triacontanol, 0.1-0.2 part of ethephon, 3-4 parts of magnesium sulfate heptahydrate, 9-15 parts of bone meal and 8-12 parts of a compounding agent. The liquid fertilizer disclosed by the invention combines the advantages of inorganic raw materials and organic raw materials, and is easily absorbed by crops, and moreover, the fertilizer promotes rooting and enlargement of leaves of crops, and is convenient to use, low in cost and free of discharge of waste pollutants in the production process, so that the fertilizer is an efficient environment-friendly liquid fertilizer.

The invention discloses a method for peeling fresh berries of pepper. The method comprises the following steps of: (1) sorting the fresh berries of pepper; (2) soaking, that is to say, soaking fringes of the fresh berries of pepper in ethephon solution with the concentration of 0.15-0.35% for 5-15 seconds, fishing out and putting into a wooden case; (3) accelerating the ripening, that is to say, putting the fringes of the fresh berries of pepper soaked with the ethephon solution into the wooden case, and storing out of the room for 3-4 days until the fringes are totally yellowed and softened; (4) peeling and washing, that is to say, removing peels and stems by a peeling machine or by hand so as to obtain pepper corns; (5) soaking, and removing residual substances on the surfaces of the pepper corns; and (6) drying to obtain the peeled pepper corns. The method, provided by the invention, has the advantages of simple whole process, easier treatment, short period, and capability of processing peeled pepper corns with better quality in a short time.

The invention relates to a method for economically and quickly breaking dormancy of sand rice seeds and accelerating sand rice seeds to germinate. The method comprises the following steps: (1) collecting and washing seeds, namely removing impurities of the collected sand rice seeds for later use; (2) preparing ethephon solution, namely preparing sufficient ethephon solution with the concentration being 100-500 micromol / L; (3) processing the seeds, namely placing the sand rice seeds on a seed bed evenly and adding 6-10ml of the ethephon solution prepared in the step (2); (4) carrying out germinating experiment, namely placing the seed bed placed in the step (3) in a temperature-varying culture box for carrying out the germinating experiment; (5) counting a result, namely, daily counting the number of the germinated seeds, adding a right amount of distilled water into the seed bed till the germinating is ended. The method is capable of quickly and efficiently breaking the dormancy of sand rice seeds, causing the seeds to germinate uniformly, greatly saving time for breeding seedlings of the sand rice and providing reference methods for detecting the sand rice seeds; meanwhile, the method is low in cost.

The invention relates to a composite ethephon preparation used for spraying and accelerating maturation of vegetables and fruits, which comprises the following raw materials in parts by weight: 50-90 parts of ethephon, 1-20 parts of extending agent, 0-20 parts of synergist and 4-25 parts of stabilizing agent, wherein the ethephon is solid pure ethephon; the extending agent is one or a mixture of ethyoxyl modified polytrisiloxane powder, lauryl sodium sulfate, saponin and sodium dodecyl benzene sulfonate; the synergist is one or a mixture of glucose, gibberellins, naphthylacetic acid and urea; and the stabilizing agent is one or a mixture of anhydrous magnesium sulfate, anhydrous magnesium chloride and anhydrous potassium sulfate. The invention has the advantages of stable product, long shelf life, uniform spraying, strong seepage force, small consumption, rapid plant absorption and strong action.

This invention describes the use of S-abscisic acid (S-ABA) and ethylene producing-agents such as ethephon to synergistically improve red color in grapes and to alter the sensory characteristics of wine.

The invention discloses a method for promoting broad beans to be early matured and podded. The method comprises the following steps: intermittently treating broad beans by using gibberellin at a low temperature to germinate; spraying the gibberellin and ethephon at a seedling stage; improving the temperature and the light illumination of a greenhouse before a flowering period; applying a compound fertilizer; meanwhile, spraying the gibberellin, the ethephon, boric acid and monopotassium phosphate; spraying an ammonium molybdate solution and a borax solution at a full-blossom period; filling water and shallowly seeding. A film buckling management technology of a suitable opportunity is good for differentiating and expanding flower buds so as to promote the broad beans to be bloomed and matured; meanwhile, the stable production of the broad beans is guaranteed. With the adoption of the method, the market time of fresh bead pods can be two months early when being compared with culture in the open. Therefore, the market time of the fresh bead pods of the broad beans is ahead of time and the income of planting the broad beans is improved.

A promoter for increasing the crude rubber output for caoutchoue tree by 40-42 % of prepared from 2(3,4-dichlorophenoxy) triethylamine, plant nutrients, carboxymethyl cellulose, water and optinal ethephon through proportionally mixing.

The invention relates to a plant growth regulating composition containing jasmonic acid and methyl jasmonate. The plant growth regulating composition contains an active component A and an active component B, wherein the active component A is jasmonic acid or methyl jasmonate, and the active component B is any one selected from a group consisting of benzyl aminopurine, forchlorfenuron, ethephon, tetramethyl glutarate, mepiquat chloride and choline chloride. The plant growth regulating composition is mainly used for improving enzyme activity, promoting seed germination, enhancing germination capacity and photosynthetic intensity, increasing the content of chlorophyll, maintaining greenness, preventing ageing, promoting development of roots and effective fertilizer absorption of crops, assisting the inferior part of a crop in good growth, enhancing absorption of water and fertilizer by plants and adjusting the balance of moisture in plants so as to improve drought resistance and cold resistance of plants; and the plant growth regulating composition can improve immunity, disease and insect resistance and crop quality and increase yield and income.

The invention discloses a pollution-free cultivation production method for young narcissus balls. The method comprises the steps of bulb treatment, scale cutting, scale germination-accelerating treatment, scale expanding treatment and the like. Narcissus is cultivated by using the method, so that resources can be saved, and a great number of young narcissus balls can be cultivated by using less narcissus seed balls. By coating gibberellin (GA3) or ethephon on small scales which are differentiated, the differentiation of the scales is promoted, and the cultivation time of the young narcissus balls through the scales is greatly shortened. Compared with a conventional method, the pollution-free cultivation production method has the advantages that the cultivation time can be saved by about a month; by the adoption of a scientific soil management mode, the fertility is improved, and the probability of the pest and disease damage is reduced, so that labor and financial resources are saved, and the method is economical and practical.

The invention relates to a preparation method of a pest-disease-resistant efficient fertilizer for tomatoes. The preparation method is characterized in that the fertilizer comprises the following raw materials in parts by weight: 250-260 parts of urea, 800-900 parts of calcium nitrate, 52-64 parts of monopotassium phosphate, 35-45 parts of magnesium sulfate, 15-25 parts of ferric sulfate, 1-5 parts of borax, 1-7 parts of manganese sulfate, 1-2 parts of sodium molybdate, 1-2 parts of sodium molybdate, 1-2 parts of copper sulfate, 1-2 parts of ethephon, 1-2 parts of rotenone and 0.2-0.25 part of ytterbium nitrate; the raw materials are uniformly mixed to obtain the pest-disease-resistant efficient fertilizer; or a processing method in the prior art is utilized for carrying out granulation to prepare slow-release and controlled-release products. The preparation method has the advantages of scientific and reasonable formula design, easiness in obtaining of the raw materials, low cost, convenience in use and good effect.

The invention relates to a plant growth regulator characterized by that, the regulator is a liquid mainly comprising ethrel and butylacetic diethylaminoethanol easter and is prepared by mixing the two ingredients with added solution, stabilizer and surface active agent. The regulator by the invention can effectively prevent corn lodging, its advantages includes better yield increasing effect, appreciable attribute betterment, simple process for manufacturing, and easiness in use.

The invention discloses a nicotine quantitative conversion rate and gene expression based cherry-red tobacco seed screening method. The method includes: selecting seeds from a cherry-red tobacco seedbank, and performing seedling cultivation; after seedling emergence, when seedlings grow to 30-40cm in 30-40d, sampling from bottom 2th-4th tobacco leaves in good conditions; soaking samples in ethephon and abscisic acid mixed solution, perforating, and drying remaining tobacco leaves after perforation until no moisture is left on surfaces; drying the moisture-free tobacco leaves to a constant weight; chemically analyzing nicotine and nornicotine contents of the tobacco leaves, and calculating the nicotine conversion rate; detecting perforated tobacco leaf CYP82E4 gene expression; according tothe nicotine conversion rate and CYP82E4 gene expression, screening out tobacco plants according with a nicotine quantitative conversion rate to cultivate, and removing tobacco plants not accordant with the conversion rate; bagging the screened tobacco plants until maturity is achieved, and reserving seeds to obtain cherry-red tobacco seeds in the nicotine quantitative conversion rate. The methodhas advantages of stability, reliability, high screening speed, high accuracy, controllable seed nicotine conversion rate and the like.