95results about How to "Increase net photosynthetic rate" patented technology

The invention relates to a planting method for improving the sugar content of passion fruits. The variety of the planted passion fruits is 'Tainong No.1', and the planting method comprises the steps of land selection, soil preparation, planting, frame erection, reshaping and pruning, fertilizer and water management, field management and prevention and control of diseases and insect pests. By the adoption of the planting method for improving the sugar content of the passion fruits, a fertilizer containing sugar and fermentation broth prepared through fermentation of human excrete and containing a sugar fertilizer are irrigated in a drop mode before blooming and during fruit forming, the average single-fruit weight of produced passion fruits is 63 g, the maximum weight is 125 g, fruit juice is reddish yellow and has heavy flavor, the acidity is 2.14%, the sweetness is up to 30% Brix, the fruit juice rate is up to 34%, color and luster are bright, the yield is high, no pollution exists, and five-time harvesting can be performed in one year.

The invention discloses a method for adopting an LED (Light Emitting Diode) lamp for supplementing cucumber seedlings with light. The method comprises the following steps: adopting red and blue light combination for supplementing the cucumber seedlings with light under the condition of natural low light level (light intensity less than or equal to 35micromol.m2.s1), wherein the wavelength of the red light is 630-650nm, the wavelength of the blue light is 430-450nm and the density ratio of effective photosynthetic light quantum of the red light and the blue light is 2 to 1(2R1B) or 1 to 2(1R2B); adjusting the current of LED lamp power supply, for achieving the supplementary light intensity of 50-100 micromol.m2.s1; supplementing light at regular time by adopting a timing controller, wherein the light supplementing time is from 6 am to 6 pm in each day. According to the method provided by the invention, the LED lamp combined with different red and blue light ratios is adopted for supplementing the generally cultured cucumber seedlings with light; the method has the obvious boosting effect on the cucumber seedlings; the stem diameter, complete stool weight, strong seedling index, single plant leave area, root activity, net photosynthetic rate, SOD activity and POD activity of the cucumber seedlings can be effectively increased; the culturing for strong seedlings is realized.

The invention discloses a method for testing the growth of cucumbers by LED (light-emitting diode) continuous light and intermittent light with different frequencies. The method comprises a method for testing the growth of cucumber seedlings by the LED continuous light and the intermittent light with different frequencies and a method for testing photosynthetic fluorescence of the cucumber seedlings by the LED continuous light and the intermittent light with different frequencies; under the conditions that the LED light source is red light, far-red light, green light and blue light with the ratio of 3:1:1:1 and the duty ratio is 90%, the proper frequency for treating the cucumber seedlings is 100,000 Hz based on the seedling morphological index, and the proper frequency for treating the cucumber seedlings is 0.1 Hz based on the material accumulation aspect. Based on the chlorophyll content and the photosynthetic fluorescence characteristic, 100,000 Hz treatment can increase the chlorophyll content of the cucumber seedlings, the maximal quantum yield of a photosystem II and non-photochemical quenching qN, and photosynthesis is conducted successfully, so that the net photosynthetic rate is obviously increased.

The invention discloses a green, weather-proof and high-yield oilseed rape planting method. The green, weather-proof and high-yield oilseed rape planting method comprises the following steps of seed preprocessing, preparation of a germination acceleration triggering seed-soaking solution, seed soaking, preparation of a seed coating for oilseed rapes, oilseed rape seed treatment by using the seed coating, germination acceleration, seedling raising, planting field treatment, seedling transplantation and field planting, fertilization at a seedling stage, disease and pest prevention and control and harvesting. By adopting the planting method, the emergence rate of oilseed rape seeds is high, buds are thick, healthy and strong and are resistant to cold and freezing, the use amount of fertilizers is small, the use amount of organic fertilizers is large, pollution is reduced, the method is friendly and non-toxic to the environment, the fertilizer efficiency is improved, the oilseed rape yieldis effectively increased, meanwhile planted oilseed rape seeds are non-toxic, harmless and free of pesticide residues and are green, healthy and good in quality, the cost is reduced, powerful guarantee is provided for large-scale planting, and the green, weather-proof and high-yield oilseed rape planting method has a higher practical value and a good application prospect.

The invention relates to a gene for high photosynthetic efficiency of paddy rice and application of the gene, and belongs to the field of molecular genetics of crops. Specifically speaking, by carrying out knockout mutation on an Os05g0462000 gene of a rice variety Nipponbare, 2 knockout mutants, namely a mutant-1 and a mutant-2 of the Os05g0462000 gene are obtained; the corresponding sequences ofthe mutant-1 and the mutant-2 are SEQ ID NO:2 and SED ID NO:3 respectively. The Os05g0462000 gene is knocked out, so that the chlorophyll content of paddy rice leaf blades can be increased and thereby the photosynthesis of the paddy rice is effectively improved; the gene has an important application value of breeding at high yield.

The invention discloses a protein which is named as OsMSr2 and is from rice. The protein is (1) a protein formed from an amino acid sequence shown by the sequence 2 in a sequence table or (2) a plant stress resistance related protein derived from the protein (1) by replacing and/or deleting and/or adding one or more than one amino acid from the amino acid sequence shown by the sequence 2 in the sequence table. Introducing the coding gene OsMsr2 of the protein into a plant can increase the germination rate of seeds under adverse conditions, increase root length and root weight, increase the growth potential of the plant, ensure seeds are enlarged, increase the net photosynthetic rate of leaves and increase the tolerance of the plant under adverse conditions.

The invention belongs to the field of cherry planting, and particularly relates to a cultivation method capable of improving the fruit setting rate of Cerasus avium (L.) Moench.. The specific technical scheme comprises the steps: digging a final planting ditch in a planting land, applying base fertilizer into the planting ditch, covering the planting ditch with soil, transplanting seedlings of Cerasus avium (L.) Moench. into the planting ditch, applying urea, maintaining the soil moisture at 60-70%, applying urea and diammonium phosphate to the seedlings of Cerasus avium (L.) Moench. 10-15 days before germination of the seedlings of Cerasus avium (L.) Moench., and spraying a first nutrient solution in the early flowering season, wherein the first nutrient solution includes a cobalt-amino acid complex; at the full bloom stage, spraying a second nutrient solution, wherein pollen of male flowers of the same variety is added to the second nutrient solution; and supplementing the trees of Cerasus avium (L.) Moench. with nutrients at least twice in the period from the blossom falling stage to the early fruiting stage, and spraying a fruit setting liquid to leaves and young fruits at theexpansion stage of the young fruits. Cerasus avium (L.) Moench. is planted by using the method, the fruit setting rate of Cerasus avium (L.) Moench. can be improved significantly, the fruit firmness is improved, and the fruit taste is improved.

The invention belongs to the technical field of agricultural planting, and particularly relates to a culture medium capable of improving salt tolerance of chilies and a preparation method of the culture medium. The culture medium is prepared from following components in parts by weight with a scientific method: cow dung, wormcast, silkworm excrement, mushroom dregs, rice bran, sawdust, biogas residues, nitrogenous fertilizer, phosphorus fertilizer, potassium fertilizer, a complex microbial agent and a pyrroloquinoline quinone solution with concentration of 200-400 nmol/L. The culture medium contains multiple organic materials, fertilizer and microorganisms, the pyrroloquinoline quinone solution is added in a preparation process, so that development of chili seedlings and formation of strong seedlings can be promoted, the salt tolerance index, the photosynthetic characteristics and the enzymatic activity of the transplanted chilies are obviously improved, which indicates that the salt tolerance of the chilies is certainly improved and growing ability of the chilies on the salinization land can be enhanced.

The invention belongs to the technical field of plant nutrient liquid and particularly discloses nutrient liquid capable of improving resistance of cucumbers as well as a preparation method and application thereof. The nutrient liquid comprises gamma-aminobutyric acid, potassium nitrate, calcium nitrate tetrahydrate, monopotassium phosphate, magnesium sulfate heptahydrate, trace elements and the like, and comprises macroelements such as N, P, K, Ca, Mg and S. When the nutrient liquid is applied to the fruiting period of the cucumbers, the picking period of the cucumbers can be significantly prolonged, the malformation rate can be reduced, the fruit yield of single plant of cucumber can be increased, and the content of vitamin C, soluble protein and free amino acid of the cucumbers can be significantly increased; in addition, when the nutrient liquid is applied to the fruiting period of the cucumbers, the nitrate content of the cucumbers can be reduced, the net photosynthetic rate of the cucumbers is increased, intercellular carbon dioxide concentration and the stomatal conductance are increased, element deficiency symptoms in the middle and later fruiting period of the cucumbers are avoided, and the high-temperature resistance and the extreme environment resistance of the cucumbers are significantly enhanced.

The invention relates to a corn C4 type phosphoenolpyruvate carboxykinase gene and an application thereof in wheat production. The gene is as indicated in SEQ ID No:1 of a sequence table, a gene clone vector is pMD19-pepc, an eucaryon expression vector is p3301-pepc, host bacteria is E.coli competent cell DH5 alpha, carboxylase is has an amino acid sequence as indicated by SEQ ID No:2. In the invention, the corn C4 type phosphoenolpyruvate carboxykinase is led into the wheat, functional analysis on transgenic plants indicates that net photosynthetic rate of the transgenic plants is greatly improved compared with the net photosynthetic rate of the plants which are not transgenic, enjoying an increase of 1.39 times. The research is so far the research in which the net photosynthetic rate of C3 crop is raised to the largest degree. The result of the functional analysis of the transgenic plants indicates that the related corn C4 type high light efficiency pepc gene can greatly improve the net photosynthetic rate of C3 crops such as wheat and the like and provides important technological and material support for high light efficiency transgenic breeding of crops such as wheat and the like.

The invention discloses organic aroma-increasing foliar fertilizer for fragrant rice. The organic aroma-increasing foliar fertilizer for the fragrant rice is prepared from the following components: gamma-aminobutyric acid, pyrroline-5-carboxylic acid and ornithine. During a full heading stage of the fragrant rice, after the organic aroma-increasing foliar fertilizer for the fragrant rice is blended with water and is sprayed, the content of 2-acetyl-1-pyrroline (2-AP) in the fragrant rice can be remarkably improved; meanwhile, the yield, setting percentage and thousand seed weight of the fragrant rice can be remarkably improved and the net photosynthetic rate of flat leaves at middle and late filling stages of the fragrant rice can be remarkably increased.

The invention discloses a peanut growth regulator and a use method thereof. The growth regulator is prepared by blending pix and sodium bisulfite, wherein the proportion of the weight-volume concentration mg.L of the pix and the sodium bisulfite is 100-300 to 100-300. The use method for the peanut growth regulator is as follows: after peanut sprouts grow to first florescence of 6 to 7 leaves, spraying the peanut growth regulator to the leaves twice in interval of one week. As a result, the yield per unit is improved by more than 20 percent, and the growth regulator improves quality, full fruit rate, seed weight, protein and fat content remarkably. The blending agent has the advantages of low cost, convenient use and environmental protection, and is safe and nontoxic to soil ecology, people and animals.

The invention discloses a dry-farming cultivation method for rice. The dry-farming cultivation method comprises the steps such as soil selection, soil preparation, seed selection, seed pretreatment, sowing, fertilization, water management, weeding as well as disease and pest control, wherein the seed pretreatment step further comprises the steps such as seed drying, seed sorting by salt water, coating, seed soaking for disinfection, seed dressing and germination acceleration. By using the method, the defects of complex cultivation process, high cost input and incapability of realizing large-scale popularization and application during dry-farming cultivation of rice can be effectively overcome.

The invention provides a nutrient solution suitable for deep-flow hydroponic lettuce and a hydroponic method. The pH value of the nutrient solution suitable for deep-flow hydroponic lettuce is 4.4-6.5, and the nutrient solution comprises a liquid A and a liquid B. In the formula, a plurality of nitrogen forms including nitrate nitrogen and ammonium nitrogen are contained, and can be absorbed and utilized by lettuce root systems. In addition, the utilization rate of contained EDDHA chelated iron is high relative to EDTA-Fe, so that absorption of iron elements by capillary roots, which exists inthe nutrient solution for a long time, of the hydroponic leaf vegetables can be facilitated, and meanwhile, iron deficiency can be effectively prevented. According to the nutrient solution disclosedby the invention, absorption by the capillary roots can be promoted, vitality of the roots can be increased, the growth period of the lettuce can be shortened, and the content of soluble solids in leaves of the hydroponic lettuce is increased by at least 7.3%.

The invention discloses a method for using Bacillus thruingiensis fermentation broth to improve salt resistance of lawn plants, which includes: adding 200g of saline-alkali soil different in concentration into disposable plastic cups 7cm in diameter; sowing 0.5g of seeds of Perennial ryegrass, and 0.5g of seeds of Festuca arundinacea in each cup; repeating testing for three times; adding 1ml of various types of inoculants into the soil when the lawn plants grow about 5cm high; adding sterile liquid medium into a control group; moving the plastic cups to a test land and burying the cups deep in the soil to keep plant growth environment to be consistent to the test land soil environment; and quantitatively watering the plants every day to guarantee consistent treatments; testing indexes after the plants grow for 2 months, transplanting the plants to a field and burying deep in the soil when emergent seedlings are stable (10d) so as to keeping the plant growth environment being consistent to the test land soil environment. Test results show that adding the Bacillus thruingiensis inoculant relieves stressed degree of the lawn plants to a certain degree, and growth of the lawn plants is promoted.

The invention discloses a pepper seed treating agent and a preparation method thereof, belonging to the field of biotechnology. The pepper seed treating agent comprises the following raw materials: pyridaben, mixed bacterium fermentation broth, 11.8% CaCl2, tea saponin, Chinese herbal medicine residues, mushroom residues, nutrient elements and water. According to the invention, the pepper seed treating agent prepared with pyridaben, mixed bacterium fermentation broth and CaCl2 as active components and tea saponin, Chinese herbal medicine residues, mushroom residues and nutrient elements as auxiliary components can greatly improve the emergence rate and germination rate of peppers and has obvious prevention and treatment effect on plant diseases and insect pests. Pyridaben, mixed fermentation broth and CaCl2 produce synergistic effect, so the pepper seed treating agent can significantly improve the net photosynthesis of peppers, enhance the quality of pepper seeds and substantially increase the water use efficiency of peppers. In embodiments of the invention, the emergence rate of peppers is 96.7-98.5%, the germination rate of peppers is 97.6-99.7%, and root activity is 329.4-332.4; so remarkable economic benefits are obtained.

The invention discloses a compounded regulator for promoting the growth of a cotton seedling under weak light. The compounded regulator is prepared from the following components in parts by mass: 5 to20 parts of glucose, 3 to 30 parts of potassium dihydrogen phosphate, 0.05 to 0.2 part of 5-aminolevulinic acid, 0.04 to 0.2 part of gibberellin (dissolved by using a little ethanol), tween-20 accounting for 0.1 percent of the total mass of a solution and the balance of water. The regulator provided by the invention not only has the effects of promoting the growth of a stem and a leaf, but also can be used for promoting the growth of a root system, can be also used for improving the stress resistance of a crop, is used for finally improving the tolerance, to a weak-light condition, of the cotton seedling, and is used for promoting the growth of the cotton seedling under the weak light.

The invention belongs to the technical field of fertilizer, and especially relates to an apple special-purpose fruit wood charcoal base fertilizer. The apple special-purpose fruit wood charcoal base fertilizer is prepared from fruit wood charcoal containing 20 to 40% of carbon. Effective contents of N, P, and K account for 10 to 20%, 10 to 20%, and 10 to 20% of the mass amount of fruit wood charcoal respectively. A preparation method comprises following steps: fruit wood charcoal is smashed into powder; fertilizers containing N, P, and K are added, and bentonite and a binder are added for uniform mixing; pelletizing is carried out; and sieving is carried out. The apple special-purpose fruit wood charcoal base fertilizer is capable of increasing leaf quality of Fuji apple trees obviously, increasing leaf chlorophyll content, improving leaf photosynthetic performance, inhibiting spring twig excessive growth of Fuji apple trees, increasing fruit weight and large fruit proportion of Fuji apple, increasing soluble solid content and vitamin C content of Fuji apple, reducing titratable acidity, increasing fruit sugar-acid ratio, increasing fragrance kinds and amount of Fuji apple, and improving flavour of Fuji apple.

The invention relates to the technical field of resourceful treatment of livestock and poultry excrement wastes, in particular to a method for bio-converting cow breeding excrement slurry waste liquidand compounding a synergistic fertilizer by combining earthworms with edible fungus dregs. The method comprises the following steps: carrying out solid-liquid separation on cow excrements and separately fermenting the cow excrements; composting an earthworm breeding bed by using fungus dregs and the fermented and decomposed cow excrements obtained after solid-liquid separation; irrigating the breeding bed with the fermented excrement slurry waste liquid, and inoculating earthworm cocoons mixed with earthworm excrement on the earthworm bed; when the earthworm cocoons are hatched and juvenile earthworms start to grow and eat a treated substrate, irrigating with the excrement slurry waste liquid timely; and timely collecting high-quality earthworm excrement in batches from the upper surfacelayer, and compounding the collected high-quality earthworm excrement with biological carbon to obtain the synergistic fertilizer. According to the method, liquid slurry excrement pollution and the edible fungus stick waste pollution generated in the cow breeding industry can be bio-converted, water used in the earthworm breeding link is saved, the excrement waste liquid of the cow breeding industry is functionalized and converted into resources, and the produced flowering-promoting peony substrate synergistic fertilizer can obviously improve the comprehensive quality of flowering-promoting peonies.

The invention relates to the technical field of nano agriculture, and particularly discloses application of a copper nano-fertilizer to improvement of tomato resistance and yield. The copper nano-fertilizer is a zero-valent Cu nano-material, and the size of the copper nano-fertilizer is 1-10 nm. According to the invention, the tomato resistance can be remarkably improved, aging of tomato leaves is slowed down, photosynthesis is enhanced, root growth and nutrient absorption are promoted, and the tomato yield is increased. Meanwhile, Cu is not enriched in tomato fruits. The Cu-based nano-fertilizer disclosed by the invention has the advantages of greenness and biological safety when being applied to tomato planting.

The invention discloses a processing method of yuqing leaf black tea. The method comprises the following steps that aspergillus niger monospore bacterium suspension is inoculated onto a fermentation culture medium for culture, and then, filtrate is collected; gfresh leaves picked up in rainy seasons are put into the obtained filtrate for soaking treatment; then, deionized water is used for cleanly washing the filtrate on the fresh leaves for thin spreading treatment; after the thin spreading treatment is completed, green leaf rocking is performed for three times; after each time of green leaf rocking, rocked green leaves are immediately put into a 30-35 DEG C RH45-55 percent 13000-23000 Lux LED (light emitting diode) blue light illumination withering room for green leaf cooling; after the former twice green leaf rocking, the green leaf cooling time is 30 to 50 minutes, and the last green leaf cooling time is 20 to 30 minutes; the obtained tea leaves are sequentially subjected to rolling treatment, pile fermentation treatment, secondary rolling, rehydration and freeze drying treatment, and a finished product is obtained. The processing method is favorable for synthesis and expression of good aroma ingredients in the tea leaves. The obtained black tea has the advantages that the color and luster are black bloom; strips are heavy and solid; the tea water color is golden red, transparent and bright; the taste is sweet and pure; the leaf bottom is brilliant red.

The invention provides a growth regulator for the fruiting period of peanuts. The growth regulator comprises the following components in percentage: 30-35% of growth promoter and 65-70% of growth nutrient solution. The regulator can favorably remove oxygen free radicals and delay senility; and the regulator obviously improves the activity of leaf nitrate reductase and the activities of glutamine synthetase and glutamate synthetase, and improves the activities of leaf sucrose synthetase and sucrose phosphate synthetase, thereby being beneficial to the accumulation of dry matters in pods and the synthesis of protein and fat in seed kernels. The growth regulator obviously increases the yield of peanut pods; and the yield is increased because the weight of a single pod is obviously increased, the full-pod rate is improved, and the dual-kernel pod rate and the kernel rate are greatly improved.