38 results about "Phoebe bournei" patented technology

The invention discloses a method for culturing seedlings of Phoebe bournei by a light soil type mixed matrix, which comprises the procedures of collecting seeds, sowing seeds, preparing the matrix, transplanting and culturing seedlings. The method comprises the following steps of: sowing seeds from strong and good seed trees which are more than 20 years old into a sand bed; transplanting seedlings into a plastic cup filled with the light soil type mixed matrix including 30-40 parts of yellow soil, 40-50 parts of coconut husk immersed dry material, 14.75-24.5 parts of pond sludge and 0.25-0.75parts of calcium magnesium phosphate fertilizer; cultivating the seeds to obtain good and strong Phoebe bournei seedlings with the height of more than 31-40 cm; and transplanting the seedlings to carry out the forestation. The seedling culturing matrix of the method provided by the invention has good water conversation performance, good fertilizer conversation performance and complete nutrition, the surface is not easy to harden and fewer weeds are existed; the cultivated seedlings are thickset, the growth is fast, the time for culturing seedlings is shortened, the survival rate of the forestation is high and the recovering stage of the forestation is short, so that the method is adapted to the requirement of accelerating a planted forest of the rare and endangered species Phoebe bournei,and has better economic benefits and social benefits.

The invention discloses a phoebe bournei cutting propagation method. The method includes the steps of stock plant cultivation, cut truck sprout promotion, cutting selection and cuttage, stock plant management and cutting seedling management. The method is characterized in that fine clone nursery stocks are planted in seedling cultivating devices with substrates so as to cultivate stock plants, seedling trucks are cut from the base portions of the stock plants, hormone is sprayed and applied to the seedling trucks for promoting sprouts, selected high-quality cuttings are arranged in a sunshelter through cutting after being processed through rooting accelerators, a mixed nutrient solution is sprayed and applied, and then phoebe bournei fine clone cutting seedlings are obtained. By means of the method, expected characters of phoebe bournei select trees can be completely kept, the capacity of phoebe bournei root systems for absorbing nutrients can be improved, high-quality phoebe bournei branches are cultivated to serve as cuttings, the propagation coefficient and the cutting survival rate are both high, cost is low, popularization is easy, an effective and reliable method is provided for keeping phoebe bournei germ plasm resources and promoting fine clone seedlings, and the method has high social benefits and economical benefits.

The invention discloses a forestation method improving the fir wood property. The method comprises the following steps of high-quality seedling cultivation, land preparation and fertilization, tree species arrangement and planting and tending management. By conducting mixed plantation between plants or mixed plantation by rows on fir and one or more of pinus massoniana, phoebe bournei, steamed beech, liriodendron chinese and schima superba, competition between the fir and other tree species is increased, broad leaves of the phoebe bournei, the steamed beech, the schima superba, the liriodendron chinese and the like are likely to rot to form humus compared with Chinese fir leaves, multiple mineral nutrition is contained, the mineral nutrition is absorbed by the fir and then accumulated in wood of the trunk, and the wood property of the fir is improved.

The invention discloses a method for promoting germination of phoebe bournei seeds. The method comprises the steps of seed collection, seed coming-off, seed storage, seed selection and seed soaking. Ripe phoebe bournei fruits are collected and subjected to peeling to make seeds come off, and seeds are stored in a refrigerator, selected, soaked in acetic acid and indolebutyric acid, and then subjected to breeding and management so that germinated phoebe bournei seeds can be obtained. According to the method, long-time stratification is not needed, seed dormancy can be broken simply by soaking the seeds in naphthylacetic acid and indolebutyric acid solution with proper concentration, seed germination is accelerated, and germination rate is increased; compared with traditional methods that hormone pharmaceutical treatment is not adopted at all, the method has the advantages that after soaking the phoebe bournei seeds in the naphthylacetic acid and indolebutyric acid solution, seeds can be germinated earlier, germination rate is increased by 95% or above, buds come out neatly, and economic benefits, social benefits and ecological benefits are high.

The invention provides a method for promoting regeneration of a natural forest of phoebe bournei. The method comprises the following steps of (1) selective intermediate cutting, (2) land preparation and hole digging, and (3) seedling planting. In the natural forest of phoebe bournei, artificial auxiliary measures are adopted to promote the regeneration of the natural forest of phoebe bournei, notonly are a stand structure and understory illumination conditions improved, the restriction of natural conditions on natural regeneration is overcome, but also a seedling bank of the regeneration of the natural forest is supplemented, the problem that regeneration individuals are lacking in the regeneration process of the natural forest of phoebe bournei is solved, and the conversion from phoebe bournei seedlings into phoebe bournei saplings is effectively promoted. The method for promoting the regeneration of the natural forest of phoebe bournei has the advantages that the method is simple, convenient and feasible, the cost is low, the natural regeneration of phoebe bournei can be promoted, and the social and ecological benefits are better.

The invention discloses a phoebe bournei tissue culture and rapid propagation method. Phoebe bournei belongs to lauraceae machilus evergreen trees, is an endemic landscaping tree species and an excellent precious timber species in China, and is a valuable material applied to buildings, furniture, carving and precise wood patterns; due to various reasons, phoebe bournei is in an endangered state at present and is a second-class endangered tree species in China; and in order to promote the propagation of phoebe bournei, establishment of an in-vitro rapid propagation technology system of phoebe bournei is very necessary. According to the phoebe bournei tissue culture and rapid propagation method disclosed by the invention, stems with buds are taken as explants, a phoebe bournei in-vitro regeneration plant can be successfully obtained by virtue of processes such as induced culture, subculture, rooting and acclimatization and transplanting, and the in-vitro rapid propagation technology system of phoebe bournei can be established so as to ensure that the phoebe bournei tissue culture and rapid propagation method has important realistic significance in rapid propagation and large-scale production and development of improved varieties of phoebe bournei.

The invention discloses a Phoebe bournei seedling cultivation method by using arbuscular mycorrhizal fungi, which comprises steps of microbial inoculum propagation, seed treatment, sand bed germination, seedling cultivation matrix preparation, fungi inoculation and seedling stage management. Suitable seeds are selected for disinfection treatment and then germination, arbuscular mycorrhizal fungi inoculation is carried out when the Phoebe bournei bud seedling is transplanted to the seedling cultivation matrix, and a high-quality Phoebe bournei container seedling is acquired through the seedlingstage management. The Phoebe bournei bud seedling is inoculated with the arbuscular mycorrhizal fungi to form ectotrophic mycorrhiza, the Phoebe bournei plant is helped to absorb nutrients and water,the resistance of the plant is enhanced, the quality of the plant is further improved, the operation is simple and convenient, the cost is low, and the economic, social and ecological benefits are good.

The invention provides a method for cultivating large and strong seedlings of phoebe bournei, and belongs to the technical field of plant cultivation. The method includes respective cultivation of 1-year-old seedlings, 2-year-old seedlings and 3-year-old seedlings of the phoebe bournei, the three stages are correlated with one another, and the later ones are the premise of the previous ones. Elaborate operations are carried out in each stage of seedling cultivation, the cultivated seedlings are strong and have high quality, and the survival rate and the forest quality of seedling afforestationare increased.

The invention discloses a phoebe bournei grafting and seedling raising method. Strong one-year phoebe bournei seedlings with the height of 40-60 cm and the ground diameter of 5-7 mm are selected as rootstock, in-season sprouting branches are selected from good provenance select trees with the height 15% larger than average height and the diameter at breast height 50% larger than average diameter at breast height or more to serve as scions, after grafting, the rootstock and the scions are prevented from being bruised or tilted and broken, sprouts are removed, bound mulching films are cut open in time, fertilizer and water management, weeding and disease and pest prevention are conducted well in time during the period, and good strong phoebe bournei grafting seedlings are obtained. The seedling raising method is easy and quick to operate, the grafting survival rate is high, new seed collecting mother plant dwarf can be promoted, the flowering and fruiting stages are earlier, safety of manual seed and cutting collection is improved, production cost is reduced, fecundity of good phoebe bournei seedlings is improved, good seed supply capacity is improved, and the requirements of development of the phoebe bournei industry are met.

A method for increasing the survival rate of seedlings under a phoebe bournei forest includes the following steps of firstly, digging pits and filling the pits with foreign soil; secondly, conductinggermination accelerating and sowing; thirdly, conducting weeding and earthing; fourthly, conducting seedling management. Soil preparing and pit digging are conducted in a sparse area in a phoebe bournei natural forest stand, backfilling is conducted with the foreign soil, the allelopathic inhibition effect of the soil in the original forest stand is avoided, the growth of newly-planted seedling root systems is promoted, the soil surface is 3-5 cm away from the edge of each soil pit during foreign soil backfilling, the root systems are protected against the influences of the drought of the summer and autumn soil surface layer by means of the later-period foreign soil coverage, and the survival of seedlings is ensured; on the basis of not influencing the original phoebe bournei natural forest stand, under-forest illumination conditions are sufficiently used for culturing phoebe bournei seedlings, the space layout refitting and adjustment of the forest stand can be conducted, and the problem of the high death rate of the phoebe bournei seedlings in the early stage can be solved; the method is simple in operation and low in cost, saves labor and materials and has good social benefits and ecological benefits, and under-forest updating is completed at a time.

The invention relates to a planting method of a long-acting carbon neutralization forest in a subtropical region. The method is characterized in that a mixed forest or a multi-layer different-age mixed forest is planted according to a ratio of China fir to phoebe bournei of (7-6): (3-4), and the method specifically comprises the following steps: (1) selecting a forest land, (2) cleaning the forest land and preparing the land, (3) preparing nursery stocks, (4) constructing the mixed forest, (5) performing tending management, (6) performing main cutting, and (7) performing plant diseases and pest control. According to the phoebe bournei and China fir mixed forest planting mode, the purpose of obtaining the long-acting carbon neutralization mixed forest through standardized and large-scale production is achieved, and the indexes such as the volume, the biomass and the carbon reserve of the mixed forest can all reach the better level. Meanwhile, forest planting benefits are improved, the operating cycle is prolonged, earth surface disturbance is reduced, the problems of soil fertility decline, productivity decline and the like caused by continuous planting of the China fir are solved, and sustainable utilization of forest land is facilitated. And through the mixed forest, a relatively complex and stable forest stand structure can be formed, the stress resistance and the stability of the forest stand can be improved, more ecological products can be provided, a better forest landscape can be built, and the wide application prospect is achieved.

The invention provides a Phoebe bournei natural secondary forest health evaluation model. In the health evaluation model, H is a forest health index and represents a comprehensive evaluation value of a health condition; Bj represents a value of a jth index after dimensionalization; Wj represents a total sorting weight value of the jth index; and n is the total index number; and each index comprises unit area accumulation amount, forest stand canopy density, natural updating, forest growth vigor, community structure, forest layer structure, tree species structure, diameter level structure, forest pest and disease damage, forest fire, under-forest vegetation coverage, species diversity, Phoebe bournei mother tree plant number, forest naturalness, forest land quality and litter thickness. According to the Phoebe bournei natural secondary forest health evaluation model, a health evaluation index system and a health evaluation model of the Phoebe bournei natural secondary forest are constructed; the Phoebe bournei natural secondary forest in Jiangxi Province is evaluated; a main countermeasure for promoting health operation is provided according to an evaluation result; and a scientific basis is provided for protection and sustainable operation of the Phoebe bournei natural secondary forest.

The invention relates to a method for balanced fertilization of phoebe bournei seedlings. The method comprises the following steps: S1, cultivating phoebe bournei seedlings, wherein a medium for cultivating the phoebe bournei seedlings is prepared by mixing red soil, vermiculite and sand uniformly according to the ratio of 6 to 2 to 2; S2, applying a fertilizer containing nitrogen, phosphorus andpotassium to the phoebe bournei seedlings, wherein the mass ratio of nitrogen (namely N) to phosphorus (namely P) to potassium (namely K) is 0 to 0 to 0, 0 to 13.32 to 3.56, 2.66 to 13.32 to 3.56, 5.32 to 0 to 3.56, 5.32 to 6.66 to 3.56, 5.32 to 13.32 to 3.56, 5.32 to 19.98 to 3.56, 5.32 to 13.32 to 0, 5.32 to 13.32 to 1.78, 5.32 to 13.32 to 5.34, 7.98 to 13.32 to 3.56, 2.66 to 6.66 to 3.56, 2.66to 13.32 to 1.78, 5.32 to 6.66 to 3.56; S3, obtaining the optimal ratio by conducting multiple times of regression analysis on of nitrogen, phosphorus and potassium fertilization amounts and the quality indexes of the phoebe bournei seedlings. The method can effectively promote height and diameter increase of phoebe bournei seedlings, biomass accumulation and seedling quality improvement of the phoebe bournei seedlings.

The invention belongs to the technical field of vegetable insect prevention and particularly relates to a vegetable insecticide and a preparation method thereof. The vegetable insecticide is prepared from raw materials in parts by weight as follows: 10-15 parts of camellia assamica meal, 10-15 parts of phoebe bournei, 10-15 parts of michelia foveolata, 10-15 parts of magnolia grandiflora, 6-10 parts of sodium nitroprusside, 4-8 parts of a penetrant and 4-8 parts of a modified starch solution. The vegetable insecticide is prepared from natural plants and so has the advantages of being healthy, non-toxic and pollution-free, and the vegetable insecticide has a good insecticidal effect, has the effect of promoting chlorophyll synthesis and has great popularization value.

The invention discloses a seedling breeding method capable of increasing the grafting survival rate of phoebe bournei. The seedling breeding method comprises the processes of breeding rootstocks, selecting scion-seed trees, selecting scions, storing cuttings, grafting and carrying out post-grafting management; according to the method, tissue cultured seedlings, cultured for 6-8 months, of the phoebe bournei are used as the rootstocks, and fresh coppice shoots extracted from the scion-seed trees in season are collected as the scions; before and after the beginning of spring, grafting is carriedout by using a single-bud cut-grafting method when winter buds of the phoebe bournei are not unfolded yet, and the grafted rootstocks are transplanted into a nursery for carrying out post-grafting management, so that complete new plants are obtained. The selected rootstocks for grafting is the tissue cultured seedlings of the phoebe bournei, and the single-bud cut-grafting method is used for grafting, so that the quality of the rootstock root system is good, the survival rate is high, the grafted seedlings grow rapidly, and the seedling breeding time is shortened; the grafted seedlings are used for establishing a fine cloned seed orchard, so that a large number of high-quality phoebe bournei seeds are produced, the problem of limited fruit yield of the good single plant is solved, and a foundation is laid for the cultivation of high-quality nursery stock and the construction of high-quality man-made forests; the seedling breeding method has better good economic benefit, environmentalbenefit and ecological benefit.

The invention relates to the field of seedling planting, in particular to a method for improving a phoebe bournei seed garden to increase a grafting survival rate. The method includes the steps of firstly, performing planned soil preparation on the phoebe bournei seed garden; secondly, performing clone preparation; thirdly, performing stock cultivation till October of the current year; fourthly, grafting in a nursery field after the stock cultivation; fifthly, performing management after the grafting, to be more specific, cultivating the stock grafted in the fourth step in the nursery field until October of the next year, moving the stock out of the nursery field, removing nonwoven-fabric root control bags, and planting along with substrates. The method has the advantages that a traditional phoebe bournei grafting method generally plants the stock in a mountain field and grafts the stock in the mountain field; the method cultivates a robust grafting seedling reforested forest, the grafting survival rate of the phoebe bournei can be increased by more than 50% as compared with that of a mountain field grafting manner, and the seed garden preserving rate can reach more than 90% after one complementary planting.

The invention discloses a method for planting phoebe bournei in forest gaps in hill and mountain regions, and belongs to the technical field of afforestation. Phoebe bournei afforestation is carried out by manually forming gaps, and the manually formed gaps involve manually formed plaque-shaped gaps or manually formed strip-shaped gaps. a The method has the advantages that the method overcomes the influence of strong light in the early stage of phoebe bournei slash afforestation and weak light in the later stage of the afforestation under the canopy on the growth of the phoebe bournei, the formed gap environment can provide certain shading conditions for the growth of nursery stocks in the young stage, sufficient light needed in the later stage of nursery stock growth can be met, the healthy, good and rapid growth of the phoebe bournei can be effectively promoted, by means of the method, the group advantage and the edge advantage of phoebe bournei growth can be brought into play, the formed microclimate can effectively relieve damage of severe weather to the phoebe bournei growth, according to the method, the forest land space can be fully utilized, comprehensive forest tree cleaning and land preparation are limited, water and soil are kept, and the ecological environment is favorably protected.

The invention discloses a precious phoebe bournei material and landscape seedling integrated cultivation method, and particularly relates to the technical field of seedling cultivation. The method comprises the steps of forest land selection, soil preparation and fertilization, and seedling planting and digging. According to the cultivation method, by improving the initial planting density of afforestation of mountain commercial forests, the phenomena that the cost is high, the forest land is short and the medium-term utilization rate is low due to the fact that cultivated land is rented and occupied to cultivate large afforestation seedlings are avoided, the productivity and economic benefits of the forest land are improved, and the input cost is saved; and according to the cultivation method, on the premise that efficient operation of precious phoebe bournei materials is guaranteed, the continuous increasing requirement of the market for large greening seedlings is met, growth is cultivated with short time, coordinated development is achieved, the industrial chain can be extended, and the phoebe bournei industry can be expanded.

The invention discloses a method for improving the quality of poles of an artificial young phoebe bournei forest with a three-step method. The method comprises the following steps: (1) selecting a sheltering valley land with the altitude of less than 400 m, reserving robust and long-life fallen broad-leaf wood with the height of more than 15 m, keeping the canopy density to be 0.2-0.3, and constructing an afforestation land suitable for growing of the young forest by upper-layer shielding; (2) establishing a young forest group establishment period through measures of soil preparation, afforestation, tending, fertilization, pest control and the like; and (3) selecting dominant wood in the closed forest, carrying out management in the pole growth period, such as release cutting and tending and dominant wood cultivation. The growth internal environment of poles is created, the forest land conditions and the forest stand structure are improved, the preservation rate of young forest is increased, the branching rate of main shoots is reduced, the growth of the poles is promoted, the quality of the dominant wood poles is remarkably improved, and the method has a wide application prospect in the creation of precious tree species timber forests and cultivation of large-diameter trees in the north-central region of Zhejiang Province.