51 results about "Temperate climate" patented technology

The invention discloses a high-yield liquorice planting method, which includes: firstly, preparing soil; secondly, mechanically spreading films for seeding; thirdly, performing drip irrigation under the films and applying soluble fertilizer; fourthly, mechanically harvesting; and the like. Planting by the method can be performed in temperate zones and north temperate zones with continental climate. By the method, large-area and normalized liquorice planting can be realized. Work efficiency of planting by the method is 50-60 times of that of manual planting, indexes of planted liquorice meet requirements of GAP (good agricultural practice for Chinese crude drug), and the high-yield liquorice planting method is low in investment and high in benefit. The high-yield liquorice planting method frees liquorice farmers from heavy labor, realizes large-scale mechanical operational area, and enables the industry of liquorice to be rapidly developed in arid and semiarid areas, so that great social and economic benefits can be created and good ecologic benefits can be brought.

A growing system is equipped with a mixing box that features a PLC-controlled cooling coil and a heating coil in series. Gaseous inputs include air and CO₂. The coils facilitate condensation and maintain relative humidity and temperature in an acceptable range. An absorption unit or other chilled liquid source supplies chilled liquid for the cooling coil. Engine or boiler combustion provides hot liquid to the heating coil and CO₂-containing exhaust. Condensate is collected for reuse. The output to a growing space is a temperate low relative humidity CO₂-enriched stream optimal for plant health.

The invention discloses a heat conduction temperature corn germplasm penetration type breeding improvement method. According to the method, a local germplasm yellow alteration system serves as a base,a tropic corn Suwan germplasm serves as an antigen, and a Lancaster germplasm is introduced in a penetration manner. According to the method, a temperate corn germplasm can be effectively improved, excellent additive genes of a temperate inbred line are kept, and excellent tropic germplasm resistance is permeated, so that the corn germplasm is improved. The breeding method is high in practicability and operability, definite in purposefulness, cost is saved, breeding efficiency is obviously improved, and the method can be popularized and applied in corn breeding.

The invention discloses a method for red bayberry fresh keeping by liquid immersion ultrarapid freezing. Red bayberries originate from mountain areas with temperate zone and subtropical zone moist climate in our country, are fruit treasure specially produced in our country, and have excellent color, fragrance, and taste, and abundant nutrition; but red bayberry fresh fruits quickly deteriorate and become rotten after being picked, are difficult to be kept fresh, and have a short shelf life. Red bayberry fresh-keeping methods widely used currently comprise low temperature air conditioning, preservatives, and general refrigeration technology, and the fresh-keeping periods are all not more than 15 days. The operation steps of the invention comprise: red bayberry raw material selection, packaging, ultrarapid freezing, freezing storage, and unfreezing. The obtained quick-frozen red bayberry has a greatly prolonged fresh-keeping period which is up to 100 days or even longer, and especially juice loss is extremely low after unfreezing; the texture is excellent; the taste is fresh; the nutrition preserving rate is high; the production energy consumption is low; the benefit is high; red bayberry value addition is realized; the rapid and healthy development of the red bayberry industry in our country is driven.

The present invention relates to air purification. The present invention provides a system for reducing carbon dioxide concentration in air in locations with sub-tropical to temperate climates and method of reducing carbon dioxide concentration using the system.

The invention discloses a maize breeding method. Two maize inbred lines of different germ lines in a temperate zone and a tropic zone are selected and used as breeding materials and radiated; two generations are grown through selfing; target trait variation strains are selected and used as parent generations for hybridization; re-planting is conducted after single-corncob threshing, and an induction line is used for induction; haploid seeds are selected from harvested clusters to be doubled, wherein the haploid seeds have aleurone layers, the top ends of the haploid seeds are provided with violet marks, and plumule tips are not provided with violet marks; plants which are successfully doubled are subjected to selfing to harvest self-fruiting seeds; the self-fruiting seeds are planted, and head progeny rows meeting a breeding objective are selected for selfing to obtain a new maize inbred line; pollen of the new maize inbred line is used for test matching with test seeds; a test matching combination is planted, and a new maize variety is bred after field identification. The maize breeding method has the advantages that radiation is used for irradiating the seeds, the breeding cycle is shortened, the variety breeding rate is increased, the bred seeds are high in quality and suitable for being grown in wide areas, and the plants are proper in height, fast in growth, and resistant to drought and weeds.

The invention discloses a breeding method of temperate and tropical corn selfing line QB446. The breeding method includes: using the F1 generation hybridized by a tropical Suwan1(C11) colony materialand temperate Lancaster material representative line Mo17 as the base material, and using a natural selection method and a manual selection method to mutually improve the two materials and perform section. The method has the advantages that the advantages of the two materials are integrated, and the excellent selfing line which is good in resistance, high in seed output rate and good in quality; the breeding procedure is simple, easy in operation, high in success rate and low in manpower and material source consumption as compared with large colony selection; the QB446 bred by the method is high in combining ability, moderate in growth period, high in seed output rate, good in quality, high in disease resistance, fast in dewatering, many in ear rows, thick in ear, widely applicable and thelike.

The invention relates to the technology of seed breeding, and in particular discloses a method for rapidly passivating the photosensitivity of tropical/subtropical maize germplasm. By combining biology seed breeding technologies including a DH seed breeding technology, a DNA molecular marker technology and the like, the method for rapidly passivating the photosensitivity of the tropical/subtropical maize germplasm is provided; the tropical/subtropical germplasm is introduced into temperate-zone germplasm through four generations in two years, and a completely homozygous high-quality maize inbred line (DH line) is obtained, so that the tropical/subtropical maize germplasm is rapidly introduced into the temperate-zone germplasm; the seed breeding efficiency is improved, and the stable and sustainable development of seed breeding work is ensured.

The invention discloses a culture medium for cultivating a transgenic plant. The culture medium group comprises a callus induction culture medium, a subculture culture medium, a co-culture culture medium, a screening culture medium and a regeneration culture medium. Experiment results show that: with a transformation system and a transformation method of the present invention, average every 100 brachypodium distachyon immature embryos can produce about 103 positive transformation seedlings, wherein a positive seedling transformation rate achieves 103.4%, and is far higher than positive seedling transformation rates of the traditional and grain model plant rice, and the highest rice positive seedling transformation rate is 47.6% (Chinese Bulletin of Botany, 2008, 25(3),322-331). With the efficient agrobacterium transformation system of the brachypodium distachyon, the important technology means is provided for temperate zone and grain plant gene function researches.

The invention discloses a method for breeding large-size trout in an offshore manner in a sea area in the temperate zone. According to the method, when the temperature of sea water on the surface layer is higher than 18 DEG C, the bred trout is moved into offshore net cages or other breeding devices for further breeding, wherein by means of the offshore net cages or other breeding devices, low-temperature sea water resources on the lower layer can be utilized. The method mainly comprises the steps that in autumn, when the temperature of sea water on the upper layer in a breeding area of the sea area in the temperate zone drops to 18 DEG C or below, trout fingerlings bred in fresh water are acclimatized into the sea water and moved into the net cages or other breeding devices to be further bred to early summer of the next year; in early summer, before the temperature of the water of the upper layer in the breeding sea area is higher than 18 DEG C, the bred trout is moved into the offshore net cages or other breeding devices to be further bred to the next year, wherein by means of the offshore net cages or other breeding devices, the low-temperature sea water resources on the lower layer can be utilized; and around June, before the temperature of the sea water on the upper layer rises to 18 DEG C, the large-size commercial trout is harvested, and the trout can also be continuously bred to the required size. The method can be used for producing the large-size commercial trout, has the beneficial effects of being high in economic benefit, environmentally friendly, low in cost and the like and is an offshore high-quality fish breeding technology which is desiderated in China.

The invention discloses a construction method of a warm corn Suwan-Iodent population. Through years of experiments, the method utilizes other temperate zone germplasm groups to improve the tropical germplasm, so that the advantages of overcoming the photosensitivity, reducing the plant height, advancing the growth period and the like are achieved; based on the complementary advantages of the characters of the heat source Suwan and the temperate zone Iodent germplasm, by adopting the strategy of a large-population directional backcross method, the difficulty and breakthrough for solving the problem of light sensitivity of the temperate zone corn germplasm are accurately found, the germplasm foundation is provided for widening the existing temperate zone corn germplasm, the acquired population plants are compact in shape, strong in resistance to toppling, moderate in ear position ratio, slightly late in growth period, strong in resistance to stress and the like; therefore, a new theoretical and technical support for widening temperate zone corn germplasm is provided in China and genetic diversity is enriched .

The invention discloses a corn seed size gene ZmUrb2, an expression product, clone primer and expression vector thereof and application. The corn seed size gene ZmUrb2, the expression product, clone primer and expression vector thereof and the application have the advantages that the regulating mechanism of a corn seed size natural mutant material is analyzed through various methods, the gene ZmUrb2 for regulating the corn seed size and growth period is cloned, the function of the gene ZmUrb2 is verified, the beneficial haplotype of the gene ZmUrb2 discovered, and a foundation is laid for theapplication practice of corn breeding; the mutation of the ZmUrb2 can reduce the sensitivity of the mutant material to specific antibiotics, pre-rRNA processing lag can be caused to allow growth and development to have evident defects, the optimal haplotype, with high gene expression quantity, high corn seed length and short growth period, of the ZmUrb2 segment is screened out from 479 tropical, subtropical and temperate natural corn population materials, the haplotype can be used for improving the corn seed type and growth period, corn yield increasing is benefited, and the tropical corn materials can be favorably improved and planted in the temperate zone.

The invention relates to a photobioreactor system used for air purification used for air purification. The invention provides a system used for reducing the concentration of carbon dioxide in air in regions with subtropical to temperate climates and a method for using the system to reduce the concentration of carbon dioxide.

The invention discloses a cultivation method for temperate deciduous fruit trees in a subtropical region. The cultivation method comprises the steps that in September to October every year, 200 g of urea, 1,500 g of calcium superphosphate, 300 g of potassium fertilizer, 100 g of zinc sulfate and 100 g of borax are applied to each fruit tree, deep pits with the depth of 2,400-2,600 cm are dug on the sides of roots, and after the fertilizer is applied to the deep pits, the deep pits are covered with soil and then watered; 15-25 days before leaves fall, 0.3%-0.5% of urea and 0.2%-0.4% of potassium fertilizer are sprayed to the leaf surfaces of the fruit trees once; paclobutrazol is applied to soil according to the fruit tree projection area of 6.5-7.5 g/m<2>, and/or 100-200 times of PBO is sprayed to the fruit trees 2-3 times from August to October every year; diseased branches, pest branches, rotten fruits and leaves are removed and deeply buried or incinerated, and disinfection, sterilization and pest egg killing are conducted on the under-forest ground with quick lime according to the specification of 40-60 kg/mu, and the fruit tree ground is deep ploughed. The cultivation method has the advantages that cultivation operation and management are easy and convenient, little disease damage is generated, and fruits are high in yield and quality.

The invention discloses a method for improving the photoperiod sensitivity of a tropical maize germplgasm yellow grain Tuxpeno. The method comprises the following steps: improving the photoperiod sensitivity of a tropical maize germplgasm yellow grain Tuxpeno B.P.C.15 by using a temperate specially-early mature dent maize germplgasm LM2, adopting a breeding selection method including processes of performing hybridization, mixed pollination, two-round back-crossing and continuous three-generation selfing, performing growth period and plant height selection as well as combining ability early generation test, and synchronously performing photoperiod sensitivity identification in a plurality of places in a tropical zone, a subtropical zone and a temperate zone, and especially continuously performing two rounds of back-crossing by taking the temperate specially-early mature dent maize germplgasm LM2 as a back-crossing parent so as to ensure that the proportion of a temperate maize germplasm can be increased, and a maize selfing line which takes a temperate maize germplasm background as the main and integrates the tropical germplasm characteristics and temperate germplasm advantages can be obtained. By adopting the method disclosed by the invention, the problem of photoperiod sensitivity commonly existing in a process of planting the tropical maize germplasm in a temperate area can be effectively solved; and the method also has important significance in promoting the northward migration of maize varieties in the tropical zone and the subtropical zone in China.

The invention provides a stable regression method for a remote sensing individual tree canopy and a forest diameter, and belongs to the technical field of the computer program and measurement. The method comprises the following steps: obtaining relevant data of the canopy and the forest diameter; establishing a stable regression model; carrying out an iterative determination on a stable regression model parameter of the individual tree canopy and the forest diameter. In a typical north east mid-temperature zone coniferous and broad-leaved mixed forest, based on extracting an individual tree canopy image of the high spatial resolution, by utilizing the Huber, an M- estimation method is proposed for solving the 'defect' that the traditional least square method is over sensitive for the data of the 'abnormal point', and the stable regression model of a remote sensing image individual tree canopy and the forest diameter is successfully established. The weighting factor distribution of an objective function is introduced through the M- estimation method, so that the 'defect' of the equivalent weighting of various samples (including the abnormal point) in the traditional least square method is changed. A menu program module of the stable regression model has the independence, the completeness, and the good portability.

The invention provides a functional molecular marker used for screening maize with the late flowering characteristic under the long sunshine condition and application of the functional molecular marker, and relates to the field of biology. The sequences of PCR primers of the functional molecular marker InDel-PZmCOL3 used for screening maize with the late flowering characteristic under the long sunshine condition are as follows: the sequence of the forward primer is 5'-AGCCTAAGCATCTCCAAGGG-3', and the sequence of the reverse primer is 5'-CGGGTTTGCTCCTTTGTTCG-3'. According to the specific differential sequences, the specific functional molecular marker is designed, tropical maize parent materials are easily introduced in a temperate-zone maize material production region for genetic breeding, excellent disease-resistant alleles of the introduced tropical maize parent materials are retained, and the disadvantage that the tropical maize parent materials flower late and can not be directly applied in production of temperate-zone maize materials.

American ryegrass varieties and seed used to produce the grass are provided. The grass is useful as a short lived, improved turfgrass on golf courses, athletic fields and other areas using seeded turfgrasses. The grass is useful in overseeding of dormant warm season grasses since its lack of heat tolerance allows for a smooth transition for the warm-season grass. The grass will provide a green cover during the winter months but will die out when the temperatures increases to the point which allow the warm-season grass to grow. In more temperate climates American ryegrass will provide a permanent turf more cold tolerance, with good winter color, and better drought tolerance and persistence than perennial ryegrass.

The invention belongs to the technical field of manufacturing of foods, medicines and healthcare products for military and civil use and discloses an antifreeze protein fluid extracting method.The technical scheme for solution includes: adopting wild alive nontoxic non-contaminated ants captured from cold temperature zones in early spring and stored at 1-3 DEG C or transported and preserved by constant-temperature vehicles, using an oil press for cold pressing at 65 DEG C, and filtering to remove impurities after the ants are completely extracted.Antifreeze protein fluid can be supplied as portable self-saving medicines and foods for staffs, commanders and combatants in environments of high mountains, high altitudes, severe cold, tunnels, oceans, outer space and polar regions to guarantee acquisition of working success or war victory, and defense expenditure is saved while economic benefits are increased.

The present invention relates to sunshades and methods of constructing sunshades, particularly, sunshade canopies installed at a fixed location in the temperate zones.

In a first aspect of the invention, a sunshade element is configured such that the sunshade element is viewed from a reference shade point as a thin profile between adjacent apertures over predetermined days in winter, thereby maximising the admission of sunshine to the shade area; and configured such that the sunshade element presents the maximum or near maximum breadth of its during predetermined days in summer; resulting in the admission of sunshine in winter and the blocking of sunshine in summer. During the spring period winter, sunshine is gradually replaced by summer shade, and during the autumn period, summer shade is replaced by winter sunshine, such that the sunshade elements provide effective blocking and admission of sunshine to the shade area over the annual solar cycle.

The invention provides a breeding method of high-oilation tropical maize, belonging to the technical field of crop breeding. The breeding method comprises the following steps: hybridizing a temperatehigh-oil corn selfing line as a donor parent with a tropical corn selfing line as a receptor parent, so as to obtain F1 generation seeds; carrying out backcrossing on an F1 generation single plant andtropical corns as a recurrent parent for four rounds, so as to obtain BC4F1 generation seeds; screening seeds in which the areas of embryo planes are 80% of the areas of grain planes from the BC4F1 generation seeds, planting, continuously carrying out selfing on obtained single plants for two generations, so as to obtain BC4F3 generation seeds; and carrying out combining ability determination onthe BC4F3 generation seeds, and adopting the seeds in which the combining ability reaches a remarkable level P which is more than 0.05 and the oil content reaches 9.0% or above as the high-oilation tropical maize. The full-grain crude fat of the high-oilation tropical maize bred by virtue of the breeding method reaches 10.0% or over, and the high-oilation tropical maize simultaneously has excellent disease resistance and high yield.

The invention relates to a cultivation method to improve the yield of rubber of almond forest, in which the appropriate varieties such as price, mission or paper skin are adopted. The plant row spacing is controlled in the density of (1.0-3.0) m multiplying (2.0-5.0) m, and the truck height is controlled to 50-80cm. The cultivation mode of the invention is simple, which is easy to master by foresters and the peach gum can be mass produced. On one hand, the adequate raw materials are provided for pharmaceutical industries, health care industries, food industries, as well as adhesive industries. On the other hand, the almond tree is barren-resistant and drought-tolerant, and the landscaping and greening of the environment can also be achieved. <One cultivation mode of rubber forest> of the invention is suitable for the large area promotion in the temperate regions of China, especially suitable for the cultivation in infertile mountainous and hilly areas, which provide a new through for the development and utilization of marginal lands.