52 results about "Shade tolerance" patented technology

Methods and materials for modulating low light and/or shade tolerance, and red light specific responses in plants are disclosed. For example, nucleic acids encoding low light and/or SD+EODFR-tolerance polypeptides are disclosed as well as methods for using such nucleic acids to transform plant cells. Also disclosed are plants having increased low light and/or SD+EODFR tolerance.

The invention discloses a method for intercropping a cover plant in glades of cold zones and temperate zones. In the method, smooth brome is mainly planted among tree lines with the crown density of 0.2-0.9, wherein, the distance of the smooth brome from tree stumps is 20-50cm; the specific planting method comprises seeding, weeding, applying fertilizers, cutting and the like. The smooth brome intercropped by the method has the advantages of good cold resistance and drought resistance, strong shade tolerance, perennation and the like, and is applicable to being taken as the cover plant in orchards and artificial woodlands. The smooth brome is taken as the cover plant, which can reduce water loss and soil erosion, improve the population number of natural enemies and reduce the number of pests to reduce damages of the pests to fruit trees or forest trees, and further reduce the consumption of herbicides and pesticides, lower the production cost and reduces the environmental pollution; and the harvested smooth brome is taken as pasture grass, which can also increase the income of farmers.

The invention relates to the technical field of livestock and poultry feeding, in particular toa free-range raising method of local chicken. Local chicken are bred in forest land, isolation nets are arranged around a forest, and chicken houses and auxiliary management equipment are arranged in the forest; forage grass with good shade tolerance is planted in the forest; chicken are let out to enter the forest at morning such that local chicken eat the forage grass, earthworms and the like in the forest, and the chicken are driven back into the chicken houses at evening. Feed is fed respectively once at noon and dusk, and the daily feeding amount of each chick is not greater than 80g, in the growth season of forage grass, the forage grass is cut for chicken to eat; and when the body weight of each local chick reaches 0.4 to 0.5kg, free-range raising is adopted, and when the body weight of each local chick reaches 1.5 to 2kg, the chicken are put into the market. The free-range raising method solves the problems that the traditional local chicken raising period is long, the disease resistance is weak, the grain consumption is great and the weight of the chicken is generally light. By using the forest land for raising local chicken, food such as grass, fresh air, sufficient sunlight and suitable temperature and humidity in the forest land are fully utilized, the chicken are kept healthy and strong in disease resistance, and few diseases occur.

The invention discloses a method of a novel technology for artificially simulating a crop growth shade and humidity environment and particularly relates to a novel method for artificially simulating the crop growth shade and humidity environment. According to the method, on the basis of a steel frame greenhouse, power-driven sunshade nets are installed at the top and on the two sides of the greenhouse for controlling illumination in the greenhouse, a spraying system composed of a PPR pipe and a spray nozzle is erected inside the greenhouse for controlling humidity and temperature in the greenhouse, ventilation systems composed of gauzes and power-driven exhaust fans are installed in the middle portions of the two sides of the greenhouse and used for controlling the temperature and the carbon dioxide concentration in the greenhouse, and according to comparison of temperature, humidity and other meteorological data on agricultural environment monitors installed inside and outside the greenhouse, light controlling, humidifying, cooling and ventilating measures are taken, so that the shade and humidity environment which is remarkably different relative to local natural environment conditions is formed. The step that according to the comparison of the temperature, humidity and other meteorological data on the two agricultural environment monitors inside and outside the greenhouse, the corresponding light controlling, humidifying, cooling and ventilating procedures are adopted is the key. The shade and humidity environment is simulated through the method, and the method has the advantages of being wide in geographical adaptability and suitable for different types of crops needing shade-tolerance and humidity-resistance screening and improving shade-tolerance and humidity-resistance breeding efficiency.

The invention discloses a method for interplanting Chinese herbal medicines under forests in a karst region. The method includes the steps of (1), economic forest selection, wherein young walnut forests in the karst region are selected; (2), planting of subprostrate sophora, wherein the planting method includes the steps of 1), sowing and seedling culture; 2), seedling culture management; 3), planting, wherein deep ploughing for tedding is carried out one month before soil preparation planting; 4), field management, wherein shallow intertillage and weeding are carried out on April, July and November every year, uniform spreading to the ground beside plants is carried out, and ridging is carried out after spreading is completed; 5), harvesting; (3), planting of sarcandra glabra, wherein theplanting method includes the steps of 1), sowing and seedling culture; 2), transplanting, wherein seedlings are lifted and transplanted on the current year, and the seedlings with soil are supplementarily planted; 3), intertillage and weeding, wherein weeds in fields are cleared way in time in the seedling stage, soil looseness is kept, and no weeds exist in the fields; 4), fertilization management, wherein topdressing is carried out in spring and summer every year; 5), interplanting for shading, wherein the sarcandra glabra is high in shade tolerance and is in favor of diffused light; 6), harvesting and processing, wherein the plants are cut off from the ground in autumn, and the plants are completely washed, dried in the sun and used as medicine. The method is easy and convenient to operate and good in effect, has remarkable economic benefits, and is suitable for being used and popularized in under-forest economy of the karst region.

The invention relates to a cadmium-contaminated soil remediation method. According to the cadmium-contaminated soil remediation method, a cadmium hyperaccumulator, namely sedum plumbizincicola, is planted in soil contaminated by heavy metal cadmium through a ridge-planting cuttage method, and an annual medicinal herbaceous cadmium hyperaccumulator, namely sticktight, is planted around the sedum plumbizincicola through intercropping; and the two hyperaccumulators are reasonably inter-planted to form upper and lower inter-planting structures of two crops by fully using the physiological differences of the two hyperaccumulators in height, light richness, shade tolerance, root depth and the like as well as the differences in growth season and space in the growing process, a good shading effectis achieved for the sedum plumbizincicola, and a combined remediation effect is achieved. By adoption of the cadmium-contaminated soil remediation method, the sedum plumbizincicola can safely grow insummer, the remediation effect is improved, and certain economic value is achieved. The cadmium-contaminated soil remediation method is high in space utilization rate, reliable in remediation effect,easy and convenient to operate, economical, environmentally friendly, good in application prospect and particularly suitable for remediating farmland soil contaminated by heavy metal cadmium to different degrees.

The invention relates to the technical field of agriculture and discloses a method for detecting shade tolerance of soybeans in the field. The method comprises the following steps: planting spring corns in spring in a field in a manner of wide/narrow row alternation; planting to-be-detected soybeans in the narrow row of the spring corns in spring; alternatively planting the soybeans and the spring corns, and as a reference, purely planting the to-be-detected soybeans in spring; after maturing and harvesting, respectively detecting the grain outputs of the alternatively planted to-be-detected soybeans in spring and the purely planted to-be-detected soybeans in spring, thereby acquiring a first shade tolerance coefficient; planting the to-be-detected soybeans in the wide row of the corns in summer; inter-planting the soybeans with the corns, and as a reference, purely planting the to-be-detected soybeans in summer; after maturing and harvesting, respectively detecting the grain outputs of the inter-planted to-be-detected soybeans in summer and the purely planted to-be-detected soybeans in summer, thereby acquiring a second shade tolerance coefficient; and comparing the first shade tolerance coefficient with the second shade tolerance coefficient and then detecting the shade tolerance of the soybean. By using the detecting method, the tests for corn-soybean intercropping and corn-soybean inter-planting can be performed simultaneously in the same field, the shade tolerance and the strength of the shade tolerance of the soybeans at different growing stages can be detected, the practicability is excellent, and the reliability is high.

The invention discloses a method for interplanting soybeans with corn. The method comprises the following steps: (1) selecting a planting area, namely, selecting an area with a long frost-free season and rich light and heat resources; (2) selecting a variety, namely, selecting a corn variety which is applicable to interplanting and has compact and half-compact middle short stalks, and selecting a spring soybean or summer soybean variety which is good in shade tolerance in later period; (3) selecting an interpanting mode: performing wide-narrow-row-spacing interplanting mode on the spring soybean or summer soybean variety and the corn variety; (4) performing early sowing at appropriate time, namely, sowing the spring soybean or summer soybean variety and the corn variety in different periods, and sowing the soybeans before the corn; (5) selecting a herbicide, namely, selecting a Dual Gold herbicide as a sealing herbicide which can do relatively small harm to the corn and the soybeans; (6) performing fertilizer-water management. By adopting the planting method disclosed by the invention, the light and heat conditions of South China are sufficiently utilized, not only is the utilization efficiency of lands improved, but also the income can be increased, moreover the rain season can be avoided to a certain extend as the spring soybeans are sown early appropriately, soybean seeds with a relatively low inferior seed rate can be harvested, and the quality of the spring soybeans can be improved.

The invention discloses a method for building a shade-resisting lawn by using ottochloa malabarica, which comprises the steps of: sowing seeds of ottochloa malabarica or planting the ottochloa malabarica in soil of a shaded zone with a shading rate of 30-90 percent in a sprout transplanting manner, then carrying out cultivation management according to a conventional method, and growing the ottochloa malabarica in the soil of the shaded zone into the lawn. The ottochloa malabarica has strongest shade tolerance, can keep normal growth under the degree that the shading rate reaches 90 percent, is easy to plant and survive as well as manage, rapid in growth and quick in covering the earth's surface, and can form a compact lawn within shorter time; and the ottochloa malabarica is planted in the soil of the shaded zone, the lawn can be formed for about two weeks after managed through conventional cultivation, has strongest shade resistance, and grows better in the shaded zone, such as around city tall building and below a greenbelt and a viaduct bridge.

The invention discloses an Albizzia julibrissn seed seedling raising method and belongs to the field of plantation. The method specifically comprises the following steps: (1) selection of seeds; (2) preparation of a seed treatment fluid; (3) treatment of seeds; and (4) sowing and seedling-raising. By reasonable matching of the various operation steps, germination rate and germination potential of seeds can be greatly enhanced, and seedling raising period is shortened. The seedlings have strong nutrient absorption ability, and will not have poor nutrition or weak growth vigor during initial growth period. Meanwhile, the seedlings have good shade-tolerance and flooding tolerance and strong substance absorption ability. Flowers in the later stage can be in blossom a week in advance and have long flowering phase. In addition, the method of the invention has simple treatment and is easier for promotion.

The invention relates to a method for interplanting crops in a tea plantation. The method comprises the steps of variety selecting, land preparing, planting, nutrient and water managing, planting managing, harvesting and the like. The method for interplanting the crops in the tea plantation is adopted, and by interplanting sweet potatoes and corn, a large amount of bio-organic fertilizer applied in planting can exactly solve the problems that the content of organic matter in soil is seriously low and the soil is hardened in the tea plantation; meanwhile, tea trees belong to a shade-tolerance tree variety, the tea trees can be shaded by the corn stalks, stems and leaves, the tea tree growth and the intensive management of the tea trees are promoted, the water and fertilizer conditions of the sweet potatoes and corns are improved, the land utilization rate can be improved, and the income of tea farmers is increased.

The invention discloses a method for testing the influence of shading on the photosynthetic characteristics of horse chestnut seedlings. The method is: S1, selection of test site: select the transition type from subtropical monsoon humid climate to temperate monsoon climate, S2, selection of test materials: Two-year-old horse chestnut sows seedlings, selects good growth, S3, photosynthesis-photoresponse curve measurement: utilize photosynthesis system to measure photosynthesis-light response curve, S4, chlorophyll content measurement: select healthy complete leaves and use acetone method to measure and Calculate the chlorophyll content, S5, data processing: compare the significance of the difference (P<0.05), S6, result and analysis: analyze the influence of shading on the leaves of the horse chestnut seedlings, S7, discuss. The test method for the influence of shading on the photosynthetic characteristics of horse chestnut seedlings, horse chestnut seedlings can adapt to a certain degree of shade, this test method only found that horse chestnut seedlings have a certain degree of negative tolerance, the test is low-cost, easy to operate and specific high sex.

The invention discloses a method for cultivating Poa trialis L. in a shade environment. According to the method, the Sabre III in the Poa trialis L. is used as grass seeds, and the shade environment with the shading rate being 40%-75% and the illumination intensity being 8000-9000 Lux is selected to be used as a planting plate of a lawn; meanwhile, lawn management is conducted. The method has the following advantages that shade-tolerance grass seeds are used and planted in relatively shaded conditions, and more lawn seeds can be harvested; cultivation is conducted through an energy saving method, energy and production cost are saved, and organic agriculture is achieved; the places are fully used, a large number of land resources can be saved, and higher economic benefits can also be produced; the areas are made to meet the greening requirements, and water and soil losses in the areas are also prevented.

The invention relates to an urban green land species shade tolerance evaluation method and an urban green land species selection method, and the method comprises the steps: respectively measuring 11 related parameters of species shade tolerance: the apparent quantum efficiency, the dark respiration rate, a light saturation point, a light compensation point, the net photosynthetic rate, the stomatal conductance, the intercellular carbon dioxide concentration, the transpiration rate, stomatal restriction, a chlorophyll content relative value of the leaves and the specific leaf area of the leaves; performing principal component analysis on the parameters, and calculating a principal component score, a membership function value and a comprehensive index weight to obtain a comprehensive shade tolerance evaluation index D value; and calculating shade tolerance comprehensive evaluation indexes of any two or more species, the shade tolerance of the species with a high comprehensive shade tolerance evaluation index D value being higher than that of the species with a low comprehensive shade tolerance evaluation index D. According to the method, the shade tolerance of common green land species is comprehensively evaluated, and a technical method is provided for screening of urban green land species.

The present invention belongs to the technical field of agriculture and specifically relates to a eucalyptus planting method in a rare earth mining area, and the method has a significant effect for the treatment of sulfate ions and can control water loss and soil erosion. The eucalyptus planting method is characterized by comprising a step of carrying out relay cropping of broadleaf paspalum, vigna sesquipedalis or lespedeza bicolor between the eucalyptus when eucalyptus tissue culture seedlings are planted for two months and grow to a height of about 1m. The method specifically includes the steps of: digging and loosing surface soil, directly sowing certain seeds, then covering the seeds with a small amount of garbage soil, and dibble planting 1 to 15 clumps every 1.2 m. The eucalyptus has an obvious trunk, can grow to a height of about 8m in two years, and can rapidly form an upper canopy. The eucalyptus has sparse branches and leaves, and can form a eucalyptus forest with a large transmittance. Moreover, the broadleaf paspalum, the vigna sesquipedalis, the lespedeza bicolor and the like have certain shade tolerance. Therefore, the broadleaf paspalum, the vigna sesquipedalis, the lespedeza bicolor and the like can form a stable tree, shrub and grass mixed vegetation community with the eucalyptus.

The invention discLoses a method for pLanting and managing a shade-toLerant evergreen cooL-season Lawn in the transitionaL zone region of the north and the south of China. The method comprises the steps that a turf bed is constructed in the shade of transitionaL zone of the north and the south; 'moisturizing grass' I and festuca arundinacea are mix-sown on the turf bed; after-sowing management iscarried out. According to the method, the 'moisturizing grass' I and the festuca arundinacea high in shade toLerance are adopted, but the 'moisturizing grass' I and the festuca arundinacea cannot safeLy oversummer if independentLy pLanted in the transitionaL zone region mainLy due to the fact that bunch type turfgrass is singLy pLanted and is weak in resistance and competitiveness, especiaLLy weedinvasion is serous in summer hot summer, the bunch type turfgrass is susceptibLe to diseases, and finaLLy the whoLe group dies. According to the method, two varieties are mix-sown, a suitabLe management mode is adopted in cooperation, the resisting capacity of the grass to high temperature in summer can be effectiveLy improved, and the grass safeLy oversummer and evergreen.

Provided is a method for transforming a female plant populus forest. The method comprises the following steps of (1) male plant populus seedling cultivation, (2) seedling outplanting, (3) interlayer transforming, (4) cultivation of shade-tolerance tree varieties, (5) compound management; the method for transforming the female plant populus forest has the advantages that not only can populus catkinspreading be reduced, one part of populus catkins is retained within the forest, thereby reducing the breeding of pests and diseases in the forest through the transforming method, but also the moderate illumination can be provided for the hade-tolerance tree varieties in the forest.

The invention discloses a shade tolerance indoor detection method for poaceae turf grass. The method includes steps: (1) selecting a test room; (2) partitioning into single chambers; (3) shading and isolating; (4) simulating natural brightness; (5) simulating natural wind; (6) manufacturing culture troughs; (7) detecting shade tolerance. Compared with the prior art, the method has advantages that the poaceae turf grass can still grow normally under high shading conditions, and flowering and fruiting are realized, so that complete and accurate shade tolerance of the poaceae turf grass can be obtained.

The invention discloses a single-grain intensive-sowing cultivation method for interplanting peanuts in a young orchard. Small and medium-sized fruit varieties with shade tolerance and high yield areselected, decomposed organic fertilizer is additionally applied in the forest orchard, after a compound fertilizer is mixed, the row spacing and plant spacing of sowing are determined according to thecrown sizes and trunk heights of young trees of the corresponding varieties, ridge culture is performed on the forest orchard around May 5, then film mulching, chemical weeding and sowing are carriedout according to seasonal varieties, when 90% or above of the plants in the orchard yellow and the seed coats are mature, harvesting should be carried out in time, peanut seeds are treated through apretreatment coating method to increase the survival rate of the peanut seeds, the land can be economically utilized, and the light energy utilization rate is increased; space is rationally utilized,and three-dimensional agriculture is developed; the soil is improved, the fertility is improved, peanuts have a better nitrogen fixation effect, and the nitrogen content of the soil in the orchard where the peanuts are interplanted can be increased.

The invention discloses a method for screening and identifying shade-tolerant soybean germplasm. The method specifically comprises the following steps: (1) sowing soybeans by adopting a potting process, and performing health care and seedling strengthening after seedling emergence; (2) 25-30 days after seedlings emerge, carrying out natural light treatment and shading treatment until the seedlings are mature; and (3) after the soybeans are mature, respectively measuring the number of main stem nodes, the number of branches, the internode length, the lodging resistance, the number of single plant pods, the hundred-grain weight and the single plant grain weight after natural illumination treatment and shading treatment, and calculating the shade tolerance coefficient of each character index, the membership function value of each comprehensive index, the weight of each comprehensive index and the comprehensive shade tolerance evaluation value of each variety. Specific germplasm identification, inheritance and improvement research on characters such as the number of main stem nodes, the number of branches, the internode length, lodging resistance, the number of single plant pods, the weight per hundred grains and the weight per plant grains are carried out around the breeding target of the shade-tolerant soybeans, and a good foundation is laid for screening of shade-tolerant soybean germplasm.

The invention discloses a spring corn and winter soybean interplanting method. The spring corn and winter soybean interplanting method comprises the steps of preparation of culture beds, appropriate-period sowing, rational close planting, increased application of phosphatic fertilizer and field management. According to the spring corn and winter soybean interplanting method, winter soybean which is long in growth period and high in shade tolerance during the seedling stage is planted in early summer to ensure that the vigorous growth period is in August, September of October each year, namely,months after corn is harvested, thereby being low in symbiotic opposition to the corn; the winter soybean is interplanted in corn fields without occupying arable fields and avoid field conflict between the soybean and other crops, so that without influence on corn production, the yield per mu (=0.0667 hectares) of the soybean can be increased by 30-50 kilograms, and further crop productivity canbe enhanced.

The invention relates to application of abscisic acid (ABA) 8'-hydroxylase gene OsABA8ox2 in plant photomorphogenesis and root development, and belongs to the field of plant genetic engineering and genetic improvement. The amino acid sequence of the protein product of rice ABA 8'-hydroxylase gene OsABAox2 is shown in SEQ ID No: 1. In the present invention, after knocking out OsABAox2 through geneediting technology, the photomorphogenesis under the condition of weak light or shade can be positively regulated, the shade avoidance response can be alleviated, and the shade tolerance of the plantcan be improved; and the root structure under drought stress can be optimized to improve the drought tolerance of the plant. The improvement of the characters is of great application value to crop production and urban three-dimensional greening.

The invention discloses a ridge type root control technique for rose honey grape planting on the plateau. A plastic film is laid on the ground, nutrient soil is stacked on the plastic film, ridging is conducted, grapevines are planted in the soil, in the growing season, black or silvery grey plastic films are used for covering the surfaces of ridges, and the moisture and temperature of soil in ridges are kept stable, the technique has the advantages that operation is simple, since the surfaces of peripheries of the ridges are exposed in the air, isolation films are arranged at the bottom surfaces of the ridges, roots only can grow in the ridges, the technique is simple to operate and suitable for application in a warm region without frozen soil in the winter, and since the range of the roots is only one third or one fourth of area of tree crowns, a large amount of vacant land can be used for interplanting other shade-tolerance vegetables or flowers, efficient use of land is achieved, and at the same time, the soil is improved through intercropping rotation.

The invention discloses a culture method for improving the shade tolerance of herbaceous plants of gramineae. The culture method comprises the following steps: (1) firstly, planting young seedlings of herbaceous plants of gramineae into a greenhouse, and controlling light, temperature and soil humidity after the seedlings are survived; (2) sequentially carrying out culture under the conditions of 29% of shade, 56% of shade, 77% of shade and 91% of shade, wherein the seedlings are cultured under the condition of 77% of shade for two seasons and are cultured under the rest conditions for one season; and (3) carrying out selfing to set fruits in each season, selecting healthy seeds for germinating and emerging, then, planting the seedlings into the greenhouse, and culturing the seedlings under the next shade condition after the seedlings are survived. Compared with the prior art, the culture method has the advantages that the forbidden zone that grass seeds of the gramineae grow under a high-shade condition is broken, the cultured grass seeds can be used for landscaping as well as water and soil conservation under the high-shade condition such as a forest land and a highway interchange, not only can a great deal of land be saved, but also the demand for seeds for greening can be met.