95 results about "Chlorosis" patented technology

The invention discloses a landscape plant growth retardant and a preparation method thereof. The retardant comprises the following components in part by weight: 10 to 45 parts of plant growth regulator; 5 to 20 parts of bactericide; 40 to 70 parts of nitrogenous chemical fertilizer; 0.01 to 0.1 part of stress resisting agent; 0.01 to 0.1 part of phenylpropionic acid compound and 0.0005 to 0.001 part of lanreotide. The invention finds that the phenylpropionic acid compound has the effect of obviously delaying plant growth for the first time and the lanreotide for anticancer research is appliedto the retardant; and the plant growth regulator, the phenylpropionic acid compound and the anreotide are combined in a synergistic way so that the effect of the landscape plant retardant is well achieved. The retardant can restrain the excessive growth of new branches of trees and shrubs, shortens the length of internode, increases the blade thickness and the chlorophyll content, reduces the occurrence of dry rot, has good stress resistance and reduces the lawn grass chlorosis phenomenon and diseases.

The present invention is a novel soybean cultivar designated CL615261 with high yield potential, tolerance to Roundup™ herbicide, mid Group I maturity, tolerance to Iron Deficiency Chlorosis and resistance to Phytophthora Root Rot, further including the plants and seeds of the cultivar CL615261, methods for producing a soybean plant by crossing the cultivar CL615261 with itself or another soybean plant. The invention also relates to soybean cultivar CL615261 further comprising one or more single gene traits, and to methods of producing a soybean having such traits by introgression, transformation or mutagenesis. The invention also includes using the soybean cultivar CL615261 to produce other soybean cultivars, breeding lines, and progeny

The invention provides highly sensitive and specific assays for the major citrus pathogens Xylella fastidiosa and Xanthomonas axonopodis, including a field deployable multiplexed assay capable of rapidly assaying for both pathogens simultaneously. The assays are directed at particular gene targets derived from pathogenic strains that specifically cause the major citrus diseases of citrus variegated chlorosis (Xylella fastidiosa 9a5c) and citrus canker (Xanthomonas axonopodis pv citri). The citrus pathogen assays of the invention couple a highly efficient isothermal amplification technique with lateral flow nucleic acid hybridization detection, thereby providing an inexpensive and facile means of rapidly detecting pathogen nucleic acid targets while circumventing hardware requirements for fluorescence detection and PCR thermocycling. The citrus pathogen assays of the invention offer femtomole sensitivity, excellent linear dynamic range, and rapid and specific detection.

The invention discloses nutrient fluid for golden flower maranta , which belongs to the field of nutrient fluid for plant cultivation. The nutrient fluid for the golden flower maranta is characterized by comprising the following compositions of three kinds of mother solution A.. 0.0112 g/L of Ca(NO3)2. 4H2O, 0.0812g/L of KNO3 and 0.0387g/L of NH4NO3; B. 0.0834 g/L of KNO3, 0.0542g/L of KH2NO3 and 0.125g/L of MgSO4 . 7H2O; C: 8mg/L of EDTA-Fe, 0.0257 mg/L of EDTA-2Na, 0.315mg/L of ZnSO4 . 7H2O, 0.514mg/L of MnSO4 . 4H2O and 0.0382mg/L of CuSO . 5H2O; A, B and C are matched for use according to the volume ratio of 900 to 850 to 15; and when used, the A, B and C are diluted by water for 102 times. The golden flower maranta cultured by the nutrient fluid has pure leaf color and strong plantlets; and compared with other nutrient fluids, the nutrient fluid for the golden flower maranta shortens the growth period by two months and is uneasy to appear the symptoms of leaf chlorosis. .

The invention discloses an ion exchange-type flower fertilizer which comprises the following components: 65-75 parts of zeolite, 8-12 parts of urea, 5-7 parts of potassium dihydrogen phosphate, 2-8 parts of calcium superphosphate, 2-8 parts of calcium magnesium phosphate fertilizer, 3-4 parts of potassium chloride, 0.2-0.3 part of zinc sulfate, 0.3-0.4 part of borax, 0.15-0.2 part of a fulvic acid iron solution, and 0.005-0.01 part of paclobutrazol. The flower fertilizer of the present invention is an ion exchange-type fertilizer, which contains both quick-acting nutrients and slow-acting nutrients, provides flowers with multiple essential elements for a long time, effectively prevents flowers from generating phenomena of plant yellowing and chlorosis, and plant fossilization, enables flowers to be with luxuriant foliage, to be large and bright-coloured, prolongs the flowering phase, and improves the fruit setting rate of fruit ornamental flowers.

The invention discloses a prevention method of fruit tree iron deficiency chlorosis. The method is characterized in that the method comprises the following steps of (1) soil improvement fertilization; (2) balanced fertilization; (3) iron fertilizer spraying fertilization; (4) iron fertilizer increasing application; (5) drilling fertilization; (6) reasonable irrigation; (7) orchard ploughing. According to the prevention method of the fruit tree iron deficiency chlorosis, the incidence rate of the fruit tree iron deficiency chlorosis can be lowered.

The invention discloses a fresh-keeping method for vegetable cold-chain logistics. The method comprises the following steps: (1) picking and washing; (2) cooling; (3) fresh-keeping treatment; (4) ultraviolet sterilization; (5) packaging; and (6) cold-chain logistics transportation. The provided fresh-keeping method for the vegetable cold-chain logistics is capable of keeping the fresh of the vegetables, reducing the water evaporation of the vegetables, inhibiting the breathing of the vegetables, slowing down the nutrition consumption and chlorosis of the vegetables, and effectively keeping the water in fruits. In addition, the method is capable of killing or inhibiting the growth of bacteria in the vegetables. The operation process is simple, the method is easily realized, and the method is suitable for popularization and application.

The invention discloses a water body purifying landscape floating wetland construction system and a construction method thereof. The system, especially the water body purifying landscape floating wetland construction system based on evergreen myriophyllum verticillatum and chingii var. glaucifolius, is composed of a frame-floating body integrated system, a growth matrix system and a water plant group. The method comprises the construction of a floating wetland unit and construction of a floating wetland. The construction system and the construction method have the beneficial effect that 1)easy denaturation and breaking of hard frame due to outside force can be solved, poor water body landscape due direct exposed floating body material to and easy secondary pollution can be solved simultaneously; 2)a growth matrix system can be used for synchronously solving difficult problems of nutrition scarcity for plant material growth plant and dirty stress of plant root during a water body restoration process of the plant material can be sovled; and 3)the difficult problems of chlorosis of the plant material in winter and spring, less biomass, low dirt accepting capability, low reoxygenation efficiency of the water body and poor ornamental value in winter and spring can be solved by a novel plant material restoration method.

The invention discloses a prevention method for peach tree chlorosis. The prevention method includes the steps of summer pruning, iron fertilizer spraying, supplementary iron fertilizer application to soil and additional organic fertilizer application to improve the soil. The progressive steps of summer pruning, iron fertilizer spraying, supplementary iron fertilizer application to the soil and additional organic fertilizer application to improve the soil are adopted, only when the several measures are used together, can the effect of eradicating chlorosis be achieved, and high quality and the high yield of peach trees are ensured in successive years.

The invention discloses a nutrient solution for preventing and treating chlorosis of a camphor tree. The nutrient solution comprises the following components in concentration by mass: 0.1-2 percent ofwater-soluble iron-contained compound, 0.01-0.1 percent of ethyoxyl modified polytrisiloxane and the balance of water. The invention also discloses a method for preventing and treating chlorosis of the camphor tree by the nutrient solution. The nutrient solution is applied to the camphor tree by a leaf surface spray method. The invention can effectively solve the phenomenon of the iron deficiencychlorosis of the camphor tree.

The invention belongs to the field of a plant cultivation medium, in particular to the technical field of an asplenium nidus cultivation medium. The asplenium nidus cultivation medium is characterized in that coconut sugar, peat soil and vermiculite are mixed evenly in the proportion of 4:2:1 to prepare the cultivation medium. The leaves of the asplenium nidus planted by the invention grow normally without etiolation and chlorosis, thereby improving the ornamental value of the asplenium nidus.

The invention discloses a soil conditioner for blueberry cultivation. The soil conditioner comprises the following components in parts by weight: 100-120 parts of a bioorganic fertilizer, 80-90 parts of fermented bean residue, 20-30 parts of furfural residue, 40-45 parts of turf, 8-13 parts of humic acid, 10-15 parts of moss, 3-5 parts of functional polypeptide, 15-18 parts of a water-retaining agent, 150-180 parts of an auxiliary agent and 10-30 parts of a conditioning agent. The soil conditioner has the beneficial effects as follows: the furfural residue is used for substituting sulfur, so that the cost is reduced, the environment is improved and the pH value of soil is significantly reduced; a functional polypeptide calcium complex can inhibit calcium absorption of a blueberry root system and prevent iron-deficiency chlorosis or death of blueberry; the soil conditioner has the effects of fixing carbon, retaining water, reducing the soil bulk density, increasing the porosity and the like, is high in organic matter content, helps to increase the seed germination rate, promote the root system growth and delay root system aging in the later stage, and is a high-efficiency and environment-friendly soil conditioner for the blueberry cultivation.

The invention discloses a leaf surface sprayed fertilizer for pear chlorosis. The fertilizer is obtained after urea, monopotassium phosphate, ferrous sulfate, magnesium sulfate, manganese sulfate, zinc sulfate and copper sulfate are mixed in a proportion. The leaf surface sprayed fertilizer provided by the invention is used for treating the pear chlorosis; after the fertilizer is sprayed to the pear garden with slight morbidity for one time, the pear garden can completely turn to green; after the fertilizer is sprayed to the pear garden with moderate morbidity for two to three times, the pear garden can completely turn to green, the leaves are thickened and the fruit growth is normal; the flower bud formation in the same year is boosted; and the sugar content of the fruit is increased to over 1.5%.

The present inventors have discovered that Biotin synthase (BS) is essential for plant growth. Specifically, inhibition of BS gene expression in plant seedlings results in severe chlorosis and reduced growth. Thus, BS can be used as a target for the identification of herbicides. Accordingly, the present invention provides methods for the identification of compounds that inhibit BS expression or activity, and as such, the methods of the invention are useful for the identification of herbicides.

The invention relates to a pesticide for treating citrus tree chlorosis. The pesticide is prepared from, by mass, 0.1-20% of oligosaccharins, 0.1-20% of tetramycin, 1.0-20% of copper oxychloride, 1.0-25% of zineb, 1.0-30% of bismerthiazol, 0.1-8.0% of disintegrant, 5.0-50% of filler, 1.0-10% of wetting dispersant, 1.0-10% of a penetrating agent, 0.1-5.0% of defoamer, 3.0-8.0% of an antifreezing agent and 5.0-10% of wormcast. According to the pesticide composition, effective ingredients with different mechanisms of action are compounded, diseases are delayed to generate pesticide resistance, the formula obvious in compounding effect can be obviously improved the control effect, the dosage of the pesticide is greatly decreased, a bacteriocidal spectrum can be expanded, and the sterilization efficiency is improved.

The invention relates to a method for improving chlorosis of tangerine fruits. According to the method disclosed by the invention, losses caused by diseases of weight loss of the tangerine fruits, falling of fruit bases, blossom-end rot, anthracnose and the like caused by ethylene for chlorosis can be reduced to the maximum extent. The method has significance in guaranteeing fresh marketing quality and price of early-picked and premature tangerine fruits.

The invention discloses a plant expression vector pK2-35S-PrbcS-*T-hps/phi for improving the metabolic capability of assimilating and formaldehyde absorption of plants, and the plant expression vector is a plant expression vector of a bifunctional enzyme HPS/PHI gene formed by integrating a PrbcS containing a Rubisco 3C small subunit gene and a transfer peptide sequence thereof as well as 6-phosphonate hexulose synthetase and 6-osphofructose isomerase of Mycobacteriumgastri MB19. A procaryon expression vector pET-23a-hps/phi plasmid of HPS/PHI is used as a template and is amplified to acquire an hps/phi gene, and the PrbcS and a chloroplast transfer peptide are used for controlling the expression of the hps/phi gene in the chloroplast of plant leaves, thereby improving the capability of assimilating and formaldehyde absorption of the plants. An experiment indicates that the growing condition of transgenic plants is better than that of wild plants, and the transgenic plants have a lighter phenomenon of leaf chlorosis when the transgenic plants grow in the environments of high-concentration extrinsic gas and liquid formaldehyde. Transgenic plant leaves can completely eliminate the formaldehyde in 4mM of formaldehyde treatment fluid within 90 hours, but wild leaves have slower absorption efficiency, and 17 percent of formaldehyde still remains.

The invention discloses a method for quickly detecting Impatiens necrotic spot virus on oncidiums. The method uses Impatiens necrotic spot virus antiserum to detect the Impatiens necrotic spot virus on oncidium leaves which represent a concentric circle chlorosis spot symptom; a special primer ZI2R of the Impatiens necrotic spot virus is utilized to synthesize cDNA; the synthesized cDNA is applied, and a special primer ZI2F/ZI2R and a special primer ZI1F/ZI1R are respectively used to amplify to establish a RT-PCR assay. The method can also perform secondary amplification to a PCR product of ZI1F/ZI1R amplification respectively with ZI1F/ZI3R, ZI3F/ZI1R and ZI3F/ZI3R as inner primers to establish a nested PCR assay. The method has high sensitivity and good specificity, and provides an effective detection means for timely preventing and curing the attacking of the Impatiens necrotic spot virus to strains.

The invention discloses a medicine composition with the spleen strengthening and blood tonification effects, which belongs to the technical field of medicine or food. The invention is characterized in that the medicine composition consists of 1 to 5 weight parts of colla corii asini, 3 to 8 weight parts of date, 3 to 8 weight parts of hoantchy root and 10 to 50 weight parts of honey. The composition has the spleen strengthening and blood tonification functions, and can be used for Yin deficiency and blood deficiency, blood deficiency chlorosis, megrims and palpitation, palpitation and insomnia, xeropulmonary cough and anemia.

The invention discloses calathea insignis nutrient solution, which is characterized in that: each liter of calathea insignis nutrient solution comprises the following components: 54 to 56g of Peters 20-10-20, 9 to 11g of Peters 15-20-25, 14 to 16g of KNO3 and 14 to 15g of MgSO4. Compared with the prior art, the invention has the advantages that: the calathea insignis cultured by the nutrient solution is stronger in plant, dense in branches and leaves, rich in plant type, pure in leaf color and green and bright in leaf surface; compared with the calathea insignis cultured by other types of nutrient solution, the calathea insignis has the growth period shortened by 2 months, and hardly suffers from leaf chlorosis symptom.