64 results about "Root weight" patented technology

The invention discloses paecilomyces lilacinus and an application thereof. The provided paecilomyces lilacinus refers to paecilomyces lilacinus E16 with a register number of CGMCC No.5951 in the common microorganism center of the China microorganism culture preservation management committee. According to the paecilomyces lilacinus E16, in potting experiments, the control effect on second-instar banana root-knot nematodes is 86.37%, the growth rate to banana root weight is 37.76%, the growth rate to banana plant height is 56.47%, the growth rate to overground parts of banana is 38.03%; and in area experiments, the control effect on banana root-knot nematodes is 83.03% and the growth rate to banana fruit is 28.05%.

The invention discloses a Paris polyphylla low elevation and high altitude seedling cultivation method. The method comprises the steps of the selection of low elevation seedling soil, the seedling sowing and rearing, the selection of high altitude cultivated soil, the seedling transplanting and the management of water and fertilizer. The seedling cultivation method takes full advantage of the differences in natural environmental conditions under different altitudes, does not require a dedicated variable temperature device, in comparison with other methods, the seedling out-planting time is at least shortened by 180 days, the germination rate is improved, and the seedling root weight is increased by 2-2.5 times, the annual growth of the rhizome of Paris polyphylla is increased, the growth cycle of Paris polyphylla is significantly shortened, the growth cycle is shortened by 40%, the production cost is low, and the method is easy to master and extend.

The invention relates to the technical field of agriculture, and discloses a paddy biofertilizer, a preparation method thereof and bacillus subtilis. The preparation method comprises the following steps of: adding bacillus subtilis with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.6190 into a solid material, fermenting until the quantity of bacillus subtilis is at least 1.2*10<10>/g, the spore percentage reaches at least 60% and the impurity microorganism percentage is less than 20%, and then uniformly mixing the fermented solid material with humic acid, agricultural rare earth, aged and fermented poultry and livestock feces, silicon-calcium-magnesium fertilizer and amino acid fertilizer so as to obtain the paddy biofertilizer. According to the invention, the mutagenic bacillus subtilis is mixed with chicken manure and other aged and fermented organic matters, humic acid, silicon-calcium-magnesium fertilizer, agricultural rare earth, amino acid fertilizer and the other substances to form the compound paddy microbe manure, so that the number of tillers of the paddy is increased, the tillering stage of the paddy is advanced, the root weight of the paddy is increased, the leaf color of the paddy is enhanced, the water temperature is raised, and the growth of the paddy under the cold stress is promoted.

The invention relates to Trichodema asperellum FJ069 and application thereof. The preservation number of the Trichodema asperellum FJ069 strain is CGMCC No. 17976. The provided Trichodema asperellum FJ069 strain has the good effects on promoting seed germination, promoting root growth of crops and preventing and treating tomato gray mould diseases, increases the root weight of pepper by 117%, and the preventing and treating effect on the tomato gray mould diseases reaches 84.74%.

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 discloses a method and a model for predicting the lodging resistance of soybeans. The method provided by the invention comprises the steps of (1) respectively measuring the numerical values of the following seven characters of the soybeans to be measured: stalk strength, plant height, stem diameter, branching number, root length, root weight and overground weight; (2) substituting the numerical values of the stalk strength, the plant height, the stem diameter, the branching number, the root length, the root weight and the overground weight into the lodging resistance model of the soybeans to calculate the lodging resistance: LR=174.162-6.618*BN-2.643*PH+15.165*RW+5.549*SD+0.108*SS+0.027*RL-0.483*SW, wherein if LR is more than or equal to 75, the soybeans to be measured are lodging-resistant soybeans or candidate lodging-resistant soybeans; if LR is less than 75, the soybeans to be measured are easy-lodging soybeans or candidate easy-lodging soybeans. The experiments prove that the method is convenient and fast, and is not influenced by environment.

There is provided an agent for improving the growth of seedlings, having effects of raising healthy rice seedlings, such as increase of the tillering number, increase of root weight, enhancement of greenness, and increase of stem thickness.

An agent for improving the growth of rice seedlings containing, as active ingredients, 5-aminolevulinic acid represented by formula (1), a derivative thereof or a salt of the acid or the derivative, and a gibberellin biosynthesis inhibitor:

R²R¹NCH₂COCH₂CH₂COR³  (1)

wherein R¹ and R² each independently represent a hydrogen atom, an alkyl group, an acyl group, an alkoxycarbonyl group, an aryl group or an aralkyl group; and R³ represents a hydroxyl group, an alkoxy group, an acyloxy group, an alkoxycarbonyloxy group, an aryloxy group, an aralkyloxy group or an amino group.

A balancing method and system for a partial pitch rotor blade for a wind turbine is described. Balancing elements are mounted to the pitch system of the rotor blade, which remove the need for complicated balancing operations to be performed which may affect the structural stability of the rotor blade body. A method is described wherein a suitable compensating balancing weight for mounting to the pitch system may be used, the weight chosen based on the known tip and root weights of standard blade extender and rotor blade parts used.

The invention discloses a tomato ascorbic acid synthetic gene SLGPP and an application thereof. The sequence of the tomato ascorbic acid synthetic gene SLGPP is SEQ ID NO:1. The SLGPP gene provided by the invention has a significant function in the growth and development process of the tomato plant; the expression of the SLGPP gene is increased and the growth and development of the tomato can be obviously promoted; the biomasses (blade weight, root weight, stalk weight, flower quantity, flowering branch quantity, flower weight and the like) of the excessive expression strains are obviously higher than those of wild strains; the quantity and weight of the fruit of the excessive expression strains are obviously higher than those of the wild strains. According to the invention, the excessively expressed tomato ascorbic acid synthetic gene GPP is used for increasing the ascorbic acid content, promoting the plant growth and increasing the tomato yield.

This invention describes discovery and development of a biological system of plant growth promotion and environmental improvement by carbon sequestration and/or nitrogen utilization by application of a microbial agent, e.g., a highly effective strain of T. viride, particularly strains NRRL B-50520 and/or K5. This strain outperforms the best current strains of Trichoderma used for this purpose available commercially. The highly active products also are expected to increase plant productivity and improve quality of fruits, vegetables, flowers or other plant products. The invention also describes and demonstrates that strain combinations including Bacillus amyloliquifaciens AS2 or AS3, as well as disclosed metabolites, promote plant growth. This is true across monocots and dicots, seed treatments and foliar sprays. In the field plant height, shoot weight, root weight, and photosynthesis (Spad meter readings) were all increased in comparison to the untreated control as well as the leading biological seed treatments. The invention also describes metabolite utilization for enhancing plant growth.

The present invention relates to salvia miltiorrhiza endophyte and uses thereof, wherein the salvia miltiorrhiza endophyte is used for accumulating phenolic acid substances during salvia miltiorrhiza hairy root culture. Particularly the present invention discloses the endophyte, which is Olivibacter soli LG3 and has the preservation number of CCTCC NO:M2015084. With the Olivibacter soli LG3, the accumulation of the phenolic acid substances (salvianolic acid B and rosmarinic acid) in the salvia miltiorrhiza hairy root can be promoted, and the salvia miltiorrhiza hairy root weight gain can be promoted.

The invention discloses 13 QTLs (quantitative trait loci) of related traits of radish fleshy root, which locate at chromosomes Chr1, Chr2, Chr3, Chr4, Chr5, Chr6, Chr7 and Chr8 respectively and have gene sequences shown as SEQ ID NO. 1 to SEQ ID NO. 48, and also discloses a method of positioning the above QTLs. The method includes: (1) constructing F2 segregation population; (2) acquiring and statistically analyzing related phenotypic trait data (root length, root thickness and root weight) of fleshy root of female and male parents and F1 and F2 segregation populations; (3) extracting DNA forthe female and male parents and F1 and F2 segregation populations; (4) screening polymorphic SSR (simple sequence repeat) primers, and genotyping the female and male parents and F1 and F2 segregationpopulations; (5) constructing a genetic map; (6) using the software MapQTL 4.0 to perform QTLs analysis. The QTLs and the method have the advantages that linkage map of radishes is connected to its genome physical map for the first time, 2 QTLs to control the radish root length are positioned for the first time, and variety breeding efficiency is improved accordingly.

The invention discloses a method of promoting colonization of delftia tsuruhatensis at plant rhizospheres, and provides application of mucic acid in the aspects of promoting colonization of delftia tsuruhatensis at the plant rhizospheres and preparing preparations for promoting colonization of delftia tsuruhatensis at the plant rhizospheres. By adopting the method, a signal molecule, namely mucicacid capable of promoting colonization of delftia tsuruhatensis at the plant rhizospheres is screened out from secretions of plant root systems, research shows that mucic acid has significant chemotactic and swarming effects on delftia tsuruhatensis and can significantly promote colonization of delftia tsuruhatensis at the plant rhizospheres; besides, when mucic acid and delftia tsuruhatensis comeinto play together, reproduction of delftia tsuruhatensis at the plant rhizospheres can be significantly promoted; the total fresh weight, the total root weight, the plant height, the chlorophyll content and the root system nifH gene abundance of plants are significantly increased; a growth-promoting effect on the plants is further improved significantly, and thus the method has excellent application value and broad development space.

The invention relates to a method for identifying rice nitrogen efficient varieties in a seedling stage. The method comprises the following steps: selecting a healthy and full variety to be tested, soaking seeds for 2 days at the temperature of 25-35 DEG C, accelerating germination for one day and a half at the temperature of 40 DEG C, and then seeding in cleaned sand without any nutrients and culturing until seedlings have 2 leaves and 1 heart; taking the seedlings which uniformly grow, washing with clear water and then transferring into a nitrogen-free medium; after one week of culture, transferring the seedlings into a control medium and an N-feedback medium for culturing; after that, measuring the areas LA of the rice leaves as well as the corresponding dry matter weight LDW, root weight RW and root number RN; determining a nitrogen physiological feedback value so as to determine whether the rice is the nitrogen efficient variety or not, wherein the higher the nitrogen feedback index is in the seedling stage, the higher the nitrogen utilization rate of the rice is. By establishing a specific hydroponic system and determining the nitrogen feedback index of the seedling stage bymeasuring the leaf and root indexes of the rice in the nursery stage, the method can quickly and efficiently evaluate the nitrogen efficient utilization characteristic of the rice.

The invention discloses a sweet persimmon container seedling culture substrate and a seedling culture method thereof. The substrate is prepared from components as follows: vermiculite, bran, bio-organic fertilizer and yellow soil in the volume ratio being 4:2:4:5. The method comprises the steps as follows: collection and storage of stock seeds, collection and treatment of scions, sowing of the stock seeds, management of stock seedlings, grafting, management of grafted seedlings and transplanting from nursery. The substrate is light, so that the transportation cost of container seedlings is greatly reduced. The optimal root control container and the optimal substrate are screened out, cultured sweet persimmon container seedlings have advanced root systems, the main root length, fibrous rootnumber and root weight are increased by 62.43%, 459.13% and 459.13% respectively as compared with field seedlings, root systems and the substrate closely intertwine, during transplanting forestation,a seedling recovery period is avoided, and the transplanting survival rate is up to 100%. The cultured sweet persimmon container seedlings grow robustly, the seedling height, ground diameter and biomass are increased by 46.61%, 102.19% and 98.77% respectively as compared with the field seedlings, seedlings store more nutrient substances, and the container seedlings can be put into production early after forestation.

The invention discloses Aspergillus niger SICU-33 capable of promoting plant growth and application thereof. The preservation number of the Aspergillus niger SICU-33 disclosed by the invention is CCTCC NO: M2019778, and the ITS sequence of the Aspergillus niger SICU-33 is SEQ NO.1. The strain not only can obviously inhibit the growth of plant pathogenic fungi, but also can promote the growth of plants, increases the leaf number, stem diameter, maximum leaf width, maximum leaf length, fresh leaf weight, fresh root weight, root length and leaf area of corn, and has a good application prospect.

The invention discloses an identification method for early bolting resistance of winter spring radishes of greenhouse cultivation, and belongs to the technical field of breeding and seed selection of plants. The identification method for early bolting resistance of the winter spring radishes of greenhouse cultivation is provided by selecting five radish varieties which are selected from conventional or determinate varieties of various regions or commercially-available commodity varieties, and have obvious gradient difference in early bolting resistance to serve as standard varieties. Interior leaf wax powder showing, interior leaf normal or slimness, flower bud showing and scape or shoot length, flowering, the degree of edible maturation stage of root weight are used for serving as morphological indexes of the identification method for early bolting resistance of the winter spring radishes of greenhouse cultivation, and the identification method for early bolting resistance of the winter spring radishes of greenhouse cultivation which comprises six grades of early bolting resistance research grading standards and five early bolting resistance evaluation grades is formed. The identification method for early bolting resistance of the winter spring radishes of greenhouse cultivation can be used for carrying out quantitative evaluation on early bolting resistance of varieties used in current production to identify strength of early bolting resistance of the varieties, can provide bases for reasonable utilization and scientific planting, can further provide technical support for breeding of the winter spring radishes, and can speed up the course of breeding of the winter spring radishes.

The invention relates to the technical field of an agricultural seed treatment agent, and particularly relates to application of potassium phosphite and a crop seed treatment agent and treatment method. According to the invention, researches find that after treatment by the potassium phosphite, root growth of crops can be effectively promoted and an emergence rate of seeds is improved, which showthat the potassium phosphite can be used for seed treatment. An experimental example result enables people to know that after seeds are treated by the potassium phosphite, the emergence rate is averagely improved by 4.2 to 6.8%; a main root length is averagely increased by 33.5 to 46.8%; an axillary root length is increased by 20.8 to 36.8%; a root weight is increased by 15.6 to 22.6%; and an effect is better than that of foliar spraying.

The invention discloses a planting method for promoting the nutrition growth of gentiana dahurica fisch. The method comprises the following steps of 1, in the budding period of the gentiana dahurica fisch, picking away budding side branches; 2, picking away the budding side branches for 4 to 5 times in turns on each plant; 3, after the normal full-bloom period, spraying Gendaling onto the plant subjected to bud picking; enhancing the photosynthetic product transferring towards the root part; promoting the fast growth of medicinal rhizome parts. The goal of inhibiting the reproductive growth by a method of picking away the budding side branches in the budding period of the gentiana dahurica fisch is realized; the more nutrients are concentrated on the growth of the rhizome and the medicinal rhizome yield of the gentiana dahurica fisch is increased, the problems of slow nutrition growth of the gentiana dahurica fisch and the low medicinal rhizome yield are solved. The method has the advantages that the operation is very simple; the growth of the medicinal rhizome of the gentiana dahurica fisch is very fast; the annual increase of the fresh root weight of the single plant of the gentiana dahurica fisch is 2.6 times of that of a conventional planting method. The annual yield of the medicinal rhizome of the gentiana dahurica fisch is obviously increased.

The present invention relates to a strain of Microbacterium and applications of the Microbacterium in a salvia miltiorrhiza bunge hairy root culture system. Specifically The present invention discloses the Microbacterium, which is Microbacterium arborescens LG2 and has the preservation number of CCTCC NO: M2015083. With the Microbacterium, the accumulation of the salvianolic acid B and the rosmarinic acid in the salvia miltiorrhiza bunge hairy root can be promoted, and the salvia miltiorrhiza bunge hairy root weight gain can be promoted.

The invention discloses special bio-organic fertilizer suitable for maca in plateau regions and a preparation method of the fertilizer. The bio-organic fertilizer suitable for maca planted in the plateau regions is prepared from raw materials including agricultural waste from the plateau regions, biomass carbon and potassium humate as well as multiple auxiliary materials added through biological fermentation, the bio-organic fertilizer has the characteristics of significant water retention and fertilizer retention for maca planting and can stably provide rich organic matter, dry root weights in groups A, B and C treated by the special bio-organic fertilizer suitable for maca in the plateau regions are all higher than those of a conventional control group D with the amplification of 5.61%, 45.66% and 67.98%, the dry matter mass and yield increase with increase of the fertilization amount of the bio-organic fertilizer, and meanwhile, the content of carbonhydrate, total alkaloids and total amino acids in maca rhizomes increases with increase of the fertilization amount of the special bio-organic fertilizer.

The invention relates to a method for preparing a humic acid synergistic carrier for ammonium phosphate suitable for alkaline soil. The preparation method comprises the steps of preparing an organic extracting agent of humic acid, preparing a humic acid extract and preparing a humic acid synergistic carrier. After the humic acid synergistic carrier is combined with urea, the fixation of the ammonium phosphate in the alkaline soil can be remarkably retarded by affecting the fertilizer pH, the availability of phosphorus is improved, and an available phosphorus pool of the soil can further be supplemented. The soil pH within 1 cm in fertilizer is reduced by 0.3-1.4 units compared with commercially available ammonium phosphate, and the soil Ca2-P and Ca8-P are increased by 22% and 16%, respectively, compared with the commercially available ammonium phosphate. The wheat root weight and vigor increase by 35% or more. Compared with the commercially available ammonium phosphate, the humic acidammonium phosphate improves the yield of the wheat by 12.6% on average, and improves the utilization rate of phosphate fertilizer by 9.34%.

The invention relates to the field of plant root growth promoters, and concretely discloses a sugarcane single-bud root growth promoting agent. The root growth promoting agent is prepared from, by mass, 0.004-0.007% of prochloraz, 0.07-0.09% of carbendazim, 0.03-0.05% of difenoconazole, 0.05-0.08% of zineb, 0.01-0.02% of indole-3-butyric acid potassium salt, 0.006-0.008% of pimacol, and the balance of a 108 glue mixed liquid. The root growth promoting agent induces the formation of a root source body and promotes the growth of roots; and all the components are matched with one another and acttogether to achieve a remarkable root promoting effect. The root growth promoting agent solution treatment can significantly improve the root length and root weight of sugarcane, increase the emergence rate and tillering rate of sugarcane, improve the stress resistance of sugarcane to a certain extent, and significantly increase the yield of sugarcane.

The invention belongs to the technical field of tobacco gene engineering and particularly relates to an NtDR1 gene related with drought tolerance of plants and an application of the NtDR1 gene. The NtDR1 gene comprises a 921bp basic group with the basic group sequence shown in SEQ ID NO.1, and a specific nucleic acid sequence comprises 1st-921th nucleotides. The gene is expressed under drought induction, plays an important role in the drought tolerance process of tobacco and is highly related with drought tolerance of plants. Further, over-expression plasmid pCOsAc-NtDR1 is constructed and used for modifying plants, and an over-expression NtDR1 gene genetically modified gene plant is obtained. The over-expression NtDR1 gene genetically modified gene plant can remarkably increase the germination rate of modified plant seeds under the drought condition in the germination period, and in the seedling period and nutrition growth period, the genetically modified gene plant has more advantages in root length and root weight and shows better drought tolerance.

The invention belongs to the technical field of plant planting and cultivation, and particularly relates to a planting method of paris polyphylla. The method comprises the following steps of 1 pregermination, 2 seedbed preparation, 3 seeding and seedling raising and 4 transplanting. The paris polyphylla planted through the method is high in yield and good in quality. The per mu yield can reach 1,471.67 kg, the root length can reach 8.65 cm, and the fresh root weight can reach 284 g.

The invention discloses a plant growth regulator suitable for ryegrass. The plant growth regulator is composed of uniconazole and an auxin plant growth regulator having a mass ratio of 2-8:6-10. The invention also provides a method for treating seeds of the ryegrass. The method includes the following steps: the seeds of the ryegrass are soaked with a solution containing a plant growth regulator composition; and in the solution containing the plant growth regulator composition, the concentration of the uniconazole is 20 mg/L-80 mg/L, and the concentration of the auxin plant growth regulator is60-100 mg/L. when the seeds of the ryegrass are treated by utilizing the plant growth regulator provided by the invention, the rooting rate of the ryegrass can be significantly increased, and the interaction effect of the uniconazole and an naphthalene acetic acid on growth of seedlings of the ryegrass is significant, and the root-shoot ratio, the number of roots, the root length, the root weight,the number of leaves and the leaf weight of the ryegrass are significantly increased, while the plant height of the ryegrass significantly becomes low.