48 results about "Soybean rust" patented technology

The present disclosure is related to the field of agrochemicals, including profungicides of UK-2A and their use to control soybean rust.

Soybean rust occurs in many countries throughout Asia, Australia, Africa, and South America. The causal agents of soybean rust are two closely related fungi, Phakopsora pachyrhizi and P. meibomiae, which are differentiated based upon morphological characteristics of the telia. Determination of the nucleotide sequence of the internal transcribed spacer (ITS) region revealed greater than 99%/95% nucleotide sequence similarity among isolates of either P. pachyrhizi or P. meibomiae, but only 80% sequence similarity between the two species. Utilizing differences within the ITS region, four sets of PCR primers were designed specifically for P. pachyrhizi, and two sets of PCR primers were made specific to P. meibomiae. Classical and real-time fluorescent PCR assays were developed to identify and differentiate between P. pachyrhizi and P. meibomiae.

Methods for conveying soybean rust (SBR) resistance into non-resistant soybean germplasm are provided. In some embodiments, the methods include introgressing SBR resistance into a non-resistant soybean using one or more nucleic acid markers for marker-assisted breeding among soybean lines to be used in a soybean breeding program, wherein the markers are linked to and/or associated with SBR resistance. Also provided are single nucleotide polymorphisms (SNPs) associated with resistance to SBR; soybean plants, seeds, and tissue cultures produced by any of the disclosed methods; seed produced by the disclosed soybean plants; and compositions including amplification primer pairs capable of initiating DNA polymerization by a DNA polymerase on soybean nucleic acid templates to generate soybean marker amplicons.

The invention discloses a molecular marker GmSSR18-24 closely linked with a soybean rust resistance gene and application thereof. A method for identification or assisted identification of soybean rust resistance comprises the following steps of: carrying out PCR amplification by respectively taking the genome DNA of the soybean to be identified and SX6907 as templates and a PCR primer pair which comprises two single stranded DNA as shown in a sequence 1 in a sequence table and a sequence 2 in the sequence table; detecting an amplified product through electrophoresis; confirming the disease resistance of the soybean to be identified according to a standard. According to the invention, a genetic group is established by hybridizing a high-rust resistance soybean SX6907 material and two non-rust resistance soybean materials, a rust resistance gene is positioned, the closely linked molecular marker is developed, and molecular marker-assisted selection is carried out, so that the selection efficiency can be improved, and the breeding progress can be accelerated.

The invention relates to the field of pesticides, and discloses a pyrazole amide compound as well as an application and a bactericide thereof. The pyrazole amide compound has a structure as shown in the specification. The pyrazole amide compound provided by the invention has an obvious prevention effect on soybean rust, corn rust, wheat powdery mildew, cucumber powdery mildew and rice sheath blight under low concentration.

The invention discloses a substituent oxadiazole compound with a novel structure. As shown in a general formula I, substituent groups in the formula are defined in the specification. The compound in the general formula I has excellent bactericidal activity and has good control effects on various diseases, particularly soybean rust, at lower dosage, so that the compound in the general formula I isapplied to the field of agriculture and other fields and serves as a sterilizing agent.

The invention discloses a soybean anti-rust gene locus and application thereof, particularly a soybean anti-rust gene locus and application thereof in molecular marker assisted selective breeding. The anti-rust gene locus is rpp.18-1, and the molecular marker closely linked with the anti-rust gene locus is GmSSR18-21. The soybean rust resistance can be predicted by judging whether the closely linked molecular marker detection breeding material contains the major gene locus, thereby greatly enhancing the selection efficiency for soybean anti-rust breeding.

This invention relates to a method of protecting a soybean plant or the seed from which it is grown from foliar diseases, such as rust diseases, using the compound flutriafol. This invention also relates to a method of protecting a plant from soybean rust diseases using the compound flutriafol.

The invention relates to the field of pesticides, and discloses a pyrazole amide compound and application thereof and a bactericide. The pyrazole amide compound has a structure as shown in the formula(1). The pyrazole amide compound provided by the invention has a remarkable control effect on soybean rust, corn rust, wheat powdery mildew and powdery mildew of cucumber.

The decrease in soybean rust control using fungicide mixtures (DMAs+QoIs) reached very low levels for the harvest of 2012/13 (an average of 37% for the three main mixtures). This decrease is due to a decrease in Pp sensitivity to individual DMIs and QoIs, and mixtures thereof. Anti-resistance strategies have not been introduced in Brazil for preventing/delaying the development of resistance of the fungus that is the casual agent of rust (Phakopsora pachyrhizi) in soybean [plant form the family Fabaceae, Glycine max (L.) Merr.] and of the fungus that is the casual agent of yellow leaf spot (Drechslera tritici-repentis) in wheat [plant of the family Triticea, Triticum aestivum L.], as well as other disease complexes that attack the main crop plants in Brazil, such as corn, beans, cotton, inter alia. By means of said method it is possible to recover the efficiency of several mixtures (DMI+QoI and QoI+SDHI) due to a decrease in fungal sensitivity. The methods described by the present invention seek to increase the effective useful life of fungicides and increase grain yield.

The present invention provides a method for controlling a soybean rust fungus having an amino acid substitution of F129L on mitochondrial cytochrome b protein, by applying a compound represented by formula (I) [wherein Q represents a group represented by the following Q1, Q2, Q3, Q4 or Q5 (in the formulae, ● represents a binding site to benzene ring); X represents an oxygen atom or NH; L represents CH₂, an oxygen atom or NCH₃; E represents a C6-C10 aryl group, etc.; R¹ represents a C1-C3 chain hydrocarbon group or a cyclopropyl group, etc.; R² represents a C1-C3 chain hydrocarbon group or a cyclopropyl group, etc.; R³ represents a C1-C3 alkoxy group or a C1-C3 chain hydrocarbon group, etc.; and n is 0, 1, 2, or 3] or its N oxide or an agriculturally acceptable salt thereof.

This invention relates to a method of protecting a soybean plant or the seed from which it is grown from foliar diseases, such as rust diseases, using the compound flutriafol. This invention also relates to a method of protecting a plant from soybean rust diseases using the compound flutriafol.

The invention relates to a bactericidal composition and application thereof in crop diseases. The composition comprises effective active components, and the effective active components comprise a pyrazole amide compound and a triazole bactericide. The bactericidal composition disclosed by the invention has good synergistic and persistent effects, and the control effect is higher than that of a single agent; the pesticide dosage is reduced, the residual quantity of the pesticide on crops is reduced, the pesticide dosage is reduced, and the generation of resistance of diseases is delayed. The bactericidal composition disclosed by the invention expands the bactericidal spectrum, and has relatively high activity on various diseases such as cucumber powdery mildew, wheat powdery mildew, soybean rust disease, corn rust disease, wheat septospora leaf blight, garlic rust disease, rice sheath blight and the like.

The invention relates to a fungicidal composition containing flubeneteram and cyproconazole, a preparation and applications of the fungicidalcomposition and the preparation. The mass ratio of effective components including the flubeneteram and the cyproconazole is 1-10:10-1, and the total content of the flubeneteram and the cyproconazole in the fungicidal composition/the preparation is 10-60% by mass. The fungicidal composition/the preparation has the obvious synergistic effect on prevention and control of soybean rust. The fungicidal composition and the preparation are suitable for preventionand control of wheat powdery mildew, wheat sharp eyespot, the soybean rust, soybean frogeye leaf spot, soybean gray mold, soybean anthracnose or fruit and vegetable leaf spot.

The present invention provides a sterilization composition containing ZJ5337 and a methoxy acrylic ester sterilization agent, wherein the methoxy acrylic ester sterilization agent is one, two or three selected from azoxystrobin, kresoxim-methyl and metominostrobin, and a mass ratio of the ZJ5337 to the methoxy acrylic ester sterilization agent is 20:1-1:20. The sterilization composition of the present invention has characteristics of good sterilization effect, low medication cost and drug-resistance generation resistance, and is particularly suitable for prevention and control of rice blast, tomato early blight, soybean rust disease, and pear scab.

The invention provides an environment-friendly fluorobenzene ether amide missible oil preparation. The preparation comprises the following components in percentage by weight: 0.5%-8% of fluorobenzene ether amide, 20%-40% of an emulsifier and 55%-75% of an environment-friendly solvent, wherein the environment-friendly solvent is any one or a mixture of more than one of methyl oleate, corn oil, soybean oil, rapeseed oil and pine base oil. Compared with the prior art, the environment-friendly fluorobenzene ether amide missible oil preparation disclosed by the invention does not contain any aromatic hydrocarbon organic solvent and other non-environment-friendly solvents, is environment-friendly, and greatly improves the safety of production and users; meanwhile, a missible oil production process is selected, so that the production efficiency is high, the product quality is stable, pollution emission is avoided, and popularization and implementation are facilitated. The preparation is suitable for various crop diseases, especially suitable for soybean rust disease, corn rust disease, cucumber powdery mildew and/or rice sheath blight disease; and the comprehensive control effect of the preparation is obviously is better than that of other types of preparations with the same effective component.

The invention belongs to the technical field of pesticides, and discloses a boscalid-containing fungicidal composition and application thereof. The fungicidal composition takes validamycin, metconazole and boscalid as active ingredients, wherein the weight ratio of validamycin to metconazole to boscalid is (1-20):(1-28):(1-40). The fungicidal composition has the obvious synergistic effect on prevention and control over soybean rust, kidney bean rust, pear rust, wheat head blight, wheat powdery mildew, wheat rust, wheat sheath blight, wheat leaf blight, rice blast, rice false smut and rice sheath blight and particularly has the more obvious effect on prevention and control over the soybean rust, the kidney bean rust and the pear rust. According to the fungicidal composition, the dosage and dosing frequency can be significantly decreased in agricultural production, the production cost is reduced, environmental pollution is reduced, pesticide residues are decreased, and the important practical significance is achieved on increasement of the social, economic and ecological benefits.

The invention discloses a water dispersible granule containing bifenthrin and fluxapyroxad, and a preparation method and application thereof. The water dispersible granule is prepared from, by weight, 15 to 40 percent of bifenthrin, 5 to 20 percent of fluxapyroxad, 5 to 10 percent of a dispersing agent, 2 to 6 percent of a wetting agent, 5 to 30 percent of disintegrating agent, and the balance of filler. The bifenthrin and the fluxapyroxad are compounded and prepared into the water dispersible granule, and the water dispersible granule has the advantages of being convenient to use, free of dust flying, safe, low in toxicity and the like, has the effect on pests such as flea beetles, whiteflies, peach fruit moths, leaf miners, spider mites, elephant beetles and leaf beetles, has good insecticidal and disease-preventing effects on various diseases such as wheat sharp eyespot, rice sheath blight disease, sclerotinia rot of colza, wheat smut, potato black scurf, corn southern leaf blight, corn head smut, soybean rust disease, soybean powdery mildew, cotton damping off and the like, and has obviously better insecticidal and disease-preventing effects than single dosages of bifenthrin and fluxapyroxad.

The present invention relates to an Lr67 allele differing from a soybean Lr67 wild type gene as defined herein. The allele unexpectedly conveys, intensifies or stabilizes fungal pathogen tolerance or resistance to a plant, seed, cell, or other plant part, most preferably against rusts of genus Phakopsora in leguminous plants or parts thereof. The invention in particular provides cells, expression constructs and plants and parts thereof, for example seed, comprising the Lr67 allele, and products obtainable or obtained therefrom. The invention also provides ensembles or populations of plants or accumulations of seed. Furthermore, the invention provides uses and methods to make use of the Lr67 allele of the invention and to realize the advantages conferred thereby. In particular, the invention provides methods for creating a cell, plant or part thereof comprising the Lr67 allele, and methods for producing a plant population having resistance against a fungal pathogen. Further methods according to the invention relate to the reduction or abolition of susceptibility of a plant or part thereof to infections by a fungal pathogen, for assaying the susceptibility to fungal pathogen infection and for preparation of feed or food products. The Lr67 allele of the invention can be incorporated into the plant transgenically or via man-directed mutagenesis.