81results about How to "Reduce single selection pressure" patented technology

The invention relates to a pesticide composition comprising the active components including (A) which is fosthiazate, and (B) which is at least one of abamectin and azadirachtin. The mass ratio of A to B is 100:1-1:50. By combining A and B, the composition has obvious synergistic effect and is used for controlling the pests on such crops as fruit trees, cotton, wheat, rice, rape, vegetables, flowers and the like, especially for controlling nematodes.

The invention provides a pesticide composition which contains the following active components with effective quantity: zoxamide and one of strobilurin fungicides. The pesticide composition can be used for preventing and treating various diseases of crops and has the following advantages: 1. the blending has remarkable synergic effect and improves the prevention and treatment effects; 2.the composition has two effective ingredients with different functional mechanisms, decreases the single selection pressure of harmful bacteria and is convenient for overcoming and delaying the occurrence of drug resistance among germs; and 3. the drug blending reduces the dosage so as to reduce the cost and the environmental pollution.

The invention relates to a sterilization combination which contains the effective components of (A) cyazofamid and (B) which is one of iprovalicarb, fluazinam or famoxadone, wherein the mass proportion of A and B is 50:1 to 1:50. After mixing, A and B have obvious synergism, and are used for preventing and treating diseases of crops such as fruit trees, flowers, rapes, vegetables and the like, inparticular to oomycete diseases.

A nematode insecticidal composition. The invention relates to a nematode insecticidal composition, effective components of which contain dithiocyano-methane (A) and fluopyram (B). The mass ratio of (A) to (B) is 100:1-1:100. After complex formulation of (A) and (B), the nematode insecticidal composition has obvious synergism. The nematode insecticidal composition is used in nematode control for plants and places of fruit trees, vegetables, grain crop, oil crops, sugar crops, linen-cotton crops, gardening plants and the like.

The invention discloses a sterilization composition which contains tetraconazole and azoxystrobin, wherein the weight ratio of the tetraconazole and the azoxystrobin is 80:1-1:80; the total weight percentage content of active ingredients is 1-80%, and the balance of auxiliary element which allowed to be used in or can be accepted by pesticide. The sterilization composition can be used for controlling diseases of multiple cereal crops, melons and fruits as well as vegetables caused by oomycetes, ascomycetes, basidiomycetes, imperfect fungi and the like, and has important functions such as synergy, delayed drug resistance, reduced cost, expanded prevention and treatment spectrum and the like.

The invention discloses a bactericidal composition containing (A) kresoxim-methyl phenylate and (B) propineb or dimethomorph, wherein the weight ratio of (A) and (B) is 50:1 to 1:80, and the total weight percentage of the two active components in the composition is 1-80%. The composition can be used for preventing and treating diseases of crops such as fruit and vegetable, and has the advantages of wide application range, low cost, good effect and the like.

The invention relates to a composition used for controlling plant diseases. The effective components of the composition are iprodione (A) and an active component hymexazol (B), wherein a mass ratio of A to B is 100:1-1:100. When A and B are combined, a synergistic effect is provided for fusarium wilt controlling. Also, the composition can be used for controlling plant threadworms. The composition can be used in disease controlling of plant living bodies such as fruit trees, vegetables, alimentary crops, oil crops, sugar crops, cotton and bast fiber crops, and gardening plants, or growth sites thereof. Especially, the composition is used for controlling nematodiasis, fusarium wilt, and root rot.

The invention relates to a sterilization combination which contains the effective components of (A) boscalid and (B) which is one of procymidone, diethofencarb, dichlozoline or dimethachlon, wherein the mass proportion of A and B is 30:1 to 1:50. After mixing, A and B have obvious synergism, and are used for preventing and treating diseases of crops such as fruit trees, flowers, cottons, wheats, rices, rapes, vegetables and the like.

The invention relates to a sterilization combination which contains the effective components of boscalid and bupirimate or ethirimol, wherein the mass proportion of the two effective components is 50:1 to 1:50. After mixing, the boscalid and the bupirimate or the ethirimol have obvious synergism, and are used for preventing and treating powdery mildew of crops such as vegetables, wheats, fruit trees, flowers and the like.

The invention discloses a sterilizing composition. The effective components are Sedaxane and captan, the mass ratio of the both is 50:1-1:50. The composition has obvious synergism and is effective totreat diseases caused by rhizoctonia solani, puccinia horiana, pyrenophora graminea, ustilago esculenta, Tilletia, Erysiphe, pyrenophora teres, Septoria musiva, and Ramularia; the composition has special effect to seed-borne disease. The composition can be applied to treat seeds and spray stems and leaves, the effect duration lasts for 4-6 weeks; the composition can be applied to the disease prevention and treatment of cereal type crops; particularly, it is applied to the seed treatment for preventing wheat ustilago esculenta, wheat tilletia, wheat basal rot, sphacelotheca reiliana, corn stalkrot, corn gall smut and rice bakanae disease.

The invention relates to the technical field of pesticide preparation and in particular discloses a nematicide composition. According to the nematicide composition disclosed by the invention, methylamino abamectin B2 benzoate, tuensulfone and achyranthan are compounded, so that a prevention and treatment effect on plant nematodes is remarkably improved; because of different action mechanisms of effective components in the nematicide composition, the single selection pressure for nematodes is alleviated, nematode resistance occurrence can be overcome, and the nematode resistance occurrence velocity can be retarded; in addition, the prepared nematicide composition is small in dosage and excellent in effect lasting property, application times are reduced, the nematode resistance occurrence isfurther retarded, the production cost and the medicine cost can be lowered, the utilization rate of the nematicide composition is increased, environment pollution caused by the nematicide compositioncan be reduced, and the nematicide composition has a great popularization value.

The invention relates to the technical field of pesticide compounding, in particular to a sterilization composite containing amino-oligosaccharin. The sterilization composite comprises effective ingredients and auxiliary ingredients, wherein the effective ingredients are compound A and amino-oligosaccharin, the mass ratio of the effective ingredients in the sterilization composite is 20-85%, and the compound A is tetralin-beta-carboline alkaloid derivative. Compared with single dosage, the sterilization composite is characterized in that a preventing and curing effect is improved, and pesticide residues and environment pollution are lowered. In addition, the acting mechanisms of the effective ingredients in bactericide are mutually different, and single selection pressure for germs is lowered so as to be favorable for avoiding the generation of virus resistance and slowing down the generation speed of the drug resistance of the virus.

The invention discloses a nematicidal composition, and belongs to the technical field of pesticides. The composition contains effective components of fluensulfone and ethylicin according to a mass ratio of 40:1-1:40, and further comprises an effective component brassinolide, wherein the weight ratio of the brassinolide is not larger than 2%. According to the invention, the nematicidal compositionis formed by compounding fluensulfone and ethylicin according to a certain ratio and adding a certain amount of brassinolide, so that the nematicidal composition has the significantly enhanced prevention and control effect on plant insect pests caused by root-knot nematodes and the like and has obvious synergistic interaction effect compared with a single agent; and through compounding synergy, the pesticide dosage is reduced, the pesticide use frequency is reduced, the composition is safe to crops, and the composition has the characteristics of safety to the environment and human beings and low toxicity.

The invention discloses a mite-killing pesticide composition containing pyridaben and fenpyroximate, comprising effective drug components of pyridaben and fenpyroximate as well as auxiliary component which can be accepted in pesticide, wherein the weight ratio of the effective drug components, namely the weight ratio of pyridaben to fenpyroximate, is (30-1):(1-30). The composition disclosed by the invention can be applied to control or killing on insect pests such as mite and especially has obvious synergic control and killing effect on panonychus. Through synergetic application of pyridaben and fenpyroximate in the composition disclosed by the invention, application dosage can be reduced, and single selection pressure to mite is reduced, thus being beneficial to avoiding production of disease resistance and delaying the production of disease resistance and being capable of improving mite control effect.