12results about How to "Increased leaf area" patented technology

The invention provides a special fertilizer for highland barley in Tibet high-altitude areas, which specifically comprises a matrix, a base fertilizer, an organic fertilizer, a trace element fertilizer, a modifier and a nutritional agent in a mass ratio of 100: 50: 100: 1: 15: 3, the substrate comprises loam, river sand and bentonite; the base fertilizer comprises nitrogenous fertilizer, phosphatic fertilizer and potash fertilizer; the organic fertilizer comprises bran, decomposed straw, decomposed excrement, plant ash and aquatic animal powder; the modifier comprises wormcast, silkworm excrement, perlite and vermiculite; the nutritional agent comprises compound vitamins, glucose, honey and compound amino acids; the raw materials used in the method are green, safe and pollution-free, the soil structure is improved while nutrient substances needed by highland barley growth are provided, the bran, the straw, the decomposed excrement and other agricultural wastes are used, cost is saved, efficiency is improved, and the utilization rate of resources is increased.

The invention discloses application of a gene MtPrx38 in regulation and control of growth, development and quality of forage grass. The method comprises the following steps: carrying out genome PCR (Polymerase Chain Reaction) identification to obtain homozygotes MtPrx38-1 and MtPrx38-2 of the medicago truncatula MtPrx38 gene mutant; the expression quantity of the MtPrx38 gene detected by RT-PCR (Reverse Transcription-Polymerase Chain Reaction) is obviously reduced, and compared with wild medicago truncatula, the peroxidase activity of the mutant homozygotes MtPrx38-1 and MtPrx38-2 is obviously reduced. Compared with wild medicago truncatula, the MtPrx38 gene mutant has the advantages that the root length, the lateral root number, the plant height, the branch number, the leaf area and the secondary branch number are obviously increased; the flowering time is advanced; the lignin content and the cellulose content are obviously reduced, which indicates that the gene MtPrx38 has the functions of regulating and controlling the growth, development and quality of forage grass. The method has application prospects in the aspects of promoting growth and development of forage grass, improving forage grass quality and the like.

The invention belongs to the technical field of agriculture, and relates to an Ectoin-containing salt-alkali-resistant, high-temperature-resistant and growth-promoting composition as well as a preparation method and application thereof. The composition is prepared from the following components in parts by weight: 12 to 15 parts of aloin, 6 to 10 parts of Ectoin, 10 to 15 parts of seaweed extract, 10 to 15 parts of gamma-aminobutyric acid, 3 to 4 parts of polyvinyl alcohol, 2 to 3 parts of sodium dodecyl benzene sulfonate, 3 to 4 parts of tween-20, 5 to 8 parts of glyceryl alcohol, 5 to 8 parts of ethyl salicylate, 5 to 10 parts of chitosan oligosaccharide and 45 to 50 parts of water. The composition disclosed by the invention can be used for remarkably improving the stress resistance of crops, relieving the membrane damage of saline-alkali and high-temperature stress to the crops, enhancing the activity of antioxidant enzymes in crop leaves under the saline-alkali and high-temperature stress and promoting the growth of the crops under the saline-alkali and high-temperature stress conditions.

The invention discloses a growth-promoting streptomyces strain with saline-alkaline tolerance and application thereof, and belongs to the technical field of microorganisms. In order to excavate streptomyces capable of improving the saline-alkali stress resistance of alfalfa, a strain of Streptomyces Beauvianus Jrh8-9 is screened from rhizosphere soil of ranunculus japonicus growing in saline-alkali soil, and a saline-alkali tolerance experiment, a germination accelerating experiment and a potting experiment prove that the Streptomyces Beauvianus can survive and grow in a high-salt and high-pH environment, and the Streptomyces Beauvianus Jrh8-9 has the advantages that the Streptomyces Beauvianus Jrh8-9 can be used for improving the saline-alkali stress resistance of alfalfa; and germination of alfalfa seeds and growth of alfalfa seedlings under saline-alkali stress can be promoted. In addition, under the non-stress condition, the strain Jrh8-9 also has a certain promotion effect on the growth of alfalfa seedlings. The invention provides a valuable strain resource for promoting the growth of alfalfa under saline-alkali stress.

The invention provides an apple growth promoting preparation and application thereof in promoting growth of apple seedlings and improving apple quality and wax content, and belongs to the technical field of fruit tree planting. The apple growth promoting preparation disclosed by the invention is prepared from a tea residue extract or epigallocatechin gallate, the concentration of the epigallocatechin gallate is 2 to 200 [mu] mol / L. By adopting the tea residue extract or EGCG, the plant height of the apple seedlings can be remarkably increased, the net photosynthesis of the apple seedlings is improved, and the growth of the apple seedlings and the content of wax in leaves are promoted. EGCG is sprayed in the growth period of the fruit trees, so that the leaf area of the fruit trees can be increased, the content of H2O2 in leaves is reduced, and the content of ester substances in leaf wax is increased; the fruit transverse diameter, the fruit longitudinal diameter and the single fruit weight can be increased, the fruit growth is promoted, the surface glossiness is improved, the appearance quality of the fruit is further improved, and the content of primary alcohol and ester substances in the fruit wax is remarkably increased.

The technical scheme of the present application discloses a plastic film for providing high-quality light environment, which comprises the following components in parts by weight: 9,9-dianthraquinone 4-5 parts, pyrene anthrone 6-7.5 parts, anthracene-D10 4-6 parts, auxiliary agent 7.2-10.6 parts, and resin 70-80 parts. The preparation method comprises the following steps: S1, uniformly mixing 9,9-dianthraquinone, pyrene anthrone and anthracene-D10, heating to melting in an oxygen-free reaction kettle, cooling, and then crushing by a high-speed pulverizer to obtain a powder with a particle diameter of less than 100 nm; S2, mixing the powder with the auxiliary agent in a double-screw extruder, and then shearing and granulating to obtain a high-quality light environment additive master batch; and S3, mixing the high-quality light environment additive master batch with the resin, and preparing a plastic film by a flow casting and rolling process or a blowing process. The prepared plastic film effectively improves the photosynthetic rate of plants and significantly improves the quality and yield of plants.

The present invention discloses the use of a jasmonic acid inhibitor DIECA in promoting the growth and development of plant seedlings, and belongs to the technical field of plant growth promotion. The present invention uses the jasmonic acid inhibitor DIECA as a plant inducer to effectively improve the plant height, stem thickness, leaf area, and growth and development of tomato seedlings, and can increase the content of photosynthetic pigments in the leaves, as well as photosynthetic parameters such as the net photosynthetic rate, greatly improve the photosynthesis of tomato seedlings, and promote growth and development. DIECA treatment increases the stomatal conductance of tomato seedling leaves, increases the intercellular carbon dioxide content, thereby increasing the carbon fixation efficiency of the leaves, and increasing the net photosynthetic rate of the leaves; spraying DIECA promotes the accumulation of photosynthetic pigments, increases Fv / Fm, that is, increases the primary light energy conversion efficiency of photosystem II (PSII), thereby enhancing photosynthesis, and further improving the photosynthesis of the leaves.

The invention discloses a pinellia ternate substrate cultivation method and a pinellia ternate cultivation substrate. The pinellia ternate substrate cultivation method comprises the steps that planting pits are dug in garden soil, the planting pits are filled with a compound substrate, then pinellia ternate seed stems are planted in the compound substrate, the compound substrate is covered with the garden soil, and watering is conducted after compaction. When the compound substrate is used for cultivating pinellia ternate, seed stems germinate quickly, the germination rate is high, the leaf area is large, petioles are thick, the total fresh weight, the underground fresh weight and the plant height are all higher than those of a traditional soil cultivation mode, and the yield and the quality of the pinellia ternate are greatly improved.

The invention discloses application of prohexadione calcium in relieving plant salt stress. The influence of different concentrations of prohexadione calcium on the growth of rice seedlings under different salt stress levels is studied, the relieving effect of Pro-Ca on the rice seedlings under the salt stress condition is studied, and the use concentration of Pro-Ca beneficial to the salt tolerance of rice is determined. According to the invention, by researching the influence of the prohexadione calcium sprayed leaf surface on rice seedling salt hypochondriac growth and resistance physiology, a theoretical basis is provided for the application of the prohexadione calcium in rice production; the prohexadione calcium is exogenously added in the plant growth process, so that the plant can normally grow in a salt environment, and the prohexadione calcium has important significance in theory and practice.

The present application relates to the field of agricultural technology, and discloses a kind of plug seedling substrate and its preparation method and application.The plug seedling substrate includes the following components: tea dregs, coconut bran, inorganic porous material and functional liquid;Wherein, the functional liquid includes the following components: ikdoine, natamycin and polyglutamic acid.The plug seedling substrate provided by the present application provides air permeability with tea dregs, provides water retention with coconut bran, and uses inorganic porous material as the substrate framework, meeting the requirements of seedlings for substrate water retention, air permeability and root growth space, by adding functional liquid containing active ingredients ikdoine, natamycin and polyglutamic acid, while solving the three major problems of water management, disease control and root development.Plug seedling.The tea dregs after extracting tea polyphenols and coconut bran replace non-renewable peat, realizing high-value utilization of agricultural waste, and compared with non-renewable peat, the raw material cost is low and more environmentally friendly.

A method for planting kudzu root with a nylon grid on a frame belongs to the field of agricultural planting technology. The method comprises the following steps in sequence: land preparation and ridge-making, cutting and seedling raising, transplanting and planting, frame and net laying, pruning and vine guiding, fertilization, root selection, pest and disease control, and timely harvesting. The present invention determines that the plant spacing is 30-35cm and the row spacing is 160-200cm, so that two rows of kudzu vines have sufficient space to unfold leaves, ensuring that the maximum area of ​​kudzu vines can be used for photosynthesis. The planting density of the present invention is determined to be 1300-1400 plants, which can ensure that the entire kudzu planting base has a reasonable population structure and has enough leaf area for photosynthesis. The nylon grid-type vine guiding method increases the leaf area of ​​kudzu vine photosynthesis in a limited space, is conducive to the growth and expansion of kudzu vine, and at the same time, can also increase the planting density of kudzu vine, improve the kudzu vine yield, land utilization rate and the economic benefit of kudzu farmers.

The invention relates to the technical field of crop planting, in particular to a method for planting cherry tomatoes based on straw in-situ field returning and application. The method comprises the following steps: crushing a crop of cherry tomato plants in a greenhouse, spreading the crushed cherry tomato plants on the ground, spreading a straw-decomposing inoculant, deeply plowing, irrigating, covering a film, closing the greenhouse, spreading wormcast after closing the greenhouse, pre-dripping 15-20 days before field planting, irrigating field planting water after field planting of cherry tomato seedlings on ridges, and spreading rice husks between rows after one month of field planting. The in-situ straw returning can significantly increase the leaf length, the leaf width, the leaf area and the chlorophyll content of cherry tomatoes. The in-situ straw returning can significantly reduce the fruit setting node position of the first ear, and significantly increase the fruit setting number of the single ear and the weight of the single fruit. The number of root systems can be obviously increased by returning the straw to the field in situ; the soil quick-acting phosphorus content is obviously increased. In conclusion, the straw in-situ returning-to-field technology is widely popularized and applied in the tomato production of the solar greenhouse.