31results about How to "Achieve low toxicity" patented technology

The invention discloses a suspension seed coating agent for pest killing and disease prevention. The suspension seed coating agent is mainly characterized in that effective active ingredients are fludioxonil and an effective ingredient B; the weight ratio of the fludioxonil to the effective ingredient B is 1:60 to 60:1; the composition is made into the suspension seed coating agent. The suspension seed coating agent has the advantages that the film forming performance is good; the coating is uniform; the suspension rate is high; safety and low toxicity are realized, and the like. The suspension seed coating agent can be widely used for seed processing of crops such as wheat, corn, rice, peanut and cotton. The slow release effect is achieved; the pesticide consumption is reduced; the suspension seed coating agent is safe for people and livestock; no pesticide damage is caused; the environment compatibility is good.

A portable pesticide atomizer, comprising an air source bin, a spray barrel, a nozzle and a medicine box, and also includes a gas cylinder, a solenoid valve and a pressure valve; the nozzle is an atomizing nozzle; The air source bin, the spray tube and the medicine box are connected, the air flow solenoid valve is set on the pipeline connecting the gas cylinder and the spray cylinder, the pressure valve is set on the pipeline connecting the gas cylinder and the medicine box, and a pressure gauge is installed at the outlet end of the gas cylinder; The gas source bin is connected to the power supply; the air flow solenoid valve, pressure gauge, pressure valve and liquid medicine solenoid valve are respectively connected to the controller. This atomizer is a portable room-temperature fog machine based on air blast secondary atomization. It is used for the prevention and control of pests and diseases. It can achieve precise pest control, low toxicity and high work efficiency. The diameter of the droplets is small and the droplets are deposited on the leaves. The rate is high, the amount of pesticide application is reduced, and it is easy to promote.

The invention relates to a multifunctional cationic polymer gene vector and a preparation method and application thereof. A multifunctional cationic polymer is synthesized by oxidizing low molecular weight chitosan used as a framework material with potassium periodate and subjecting the oxidized low molecular weight chitosan and polyethyleneimine coupled with a sartan-class drug to reduction and ammonification. To overcome technical problems, the invention provides the novel cationic polymer with targeting performance of the acceptor of the tumor cell AT1, multiple proton buffering capability and adjuvant therapy effects on tumors and provides a preparation method with the advantages of mild conditions, low cost, applicability and reliability for the cationic polymer. A compound formed by the cationic polymer provided by the invention and plasmid DNA has the advantages of low cytotoxicity, good targeting performance, high transfection efficiency, substantial in-vitro antineoplastic effects, etc.; the polymer can be used for preparation of a non-virus gene transfer system capable of simultaneously transferring a gene drug and a chemical drug for cooperated treatment of a tumor.

The invention discloses a pesticide composition containing prochloraz. The composition is mainly characterized in that: the effective active ingredient is prochloraz and an active ingredient B, and the active ingredient B is selected from thiamethoxam, clothianidin or clothianidin morphine, wherein the weight ratio of prochloraz to active ingredient B is 1:100 to 50:1, and the composition is made into a suspension seed coating agent. The composition of the present invention can prevent and control a variety of underground pests and germs, and has obvious synergistic effect, expands the control spectrum, and has relatively high activity on pests and germs on wheat, vegetables, cotton, peanuts, cucumbers and rice; rice and Vegetable diseases include rice bakanae disease, rice blast, rape sclerotinia, rape anthracnose, cucumber gray mold, cucumber anthracnose. Moreover, it has a slow-release effect, reduces the dosage of pesticides, is safe to humans and animals, has no harm to the environment, and has good environmental compatibility.

The invention discloses a pesticide composition containing triticonazole. The composition is mainly characterized in that effective active components contain the triticonazole and an effective component B; the effective component B is selected from thiamethoxam, thiacloprid, imidacloprid and clothianidin, wherein the weight ratio of the triticonazole to the effective component B ranges from (1:90) to (30:1); the composition is prepared into a suspended seed coating. The composition disclosed by the invention can prevent and treat various underground insects and bacteria and has the obvious synergistic effect; an insecticidal spectrum is enlarged; the pesticide composition has high activity to the insects and the bacteria on wheat, corns, cotton, cucumbers and paddy rice; and diseases of the corns, the paddy rice and the cotton contain corn head smut, wheat smut, wheat powdery mildew, wheat tilletia and wheat net blotch. The pesticide composition has the slow release effect; the dosage of pesticides can be reduced; the pesticide composition is safe to people and livestock, has no phytotoxicity and is good in environmental compatibility.

The invention discloses a pesticide composition with carboxin. The pesticide composition is mainly characterized by comprising the carboxin and an effective ingredient B; the carboxin is an effective active ingredient, the effective ingredient B is selectively thiamethoxam, thiacloprid, imidacloprid and clothianidin, a weight ratio of the carboxin to the effective ingredient B is 1:80-40:1, and the pesticide composition can be prepared to obtain a suspending seed coating agent. The pesticide composition has the advantages that diversified underground insects and germs can be prevented and treated by the pesticide composition, obvious synergistic effects can be realized, prevention and treatment spectra can be expanded, and the pesticide composition is high in activity for injurious insects and germs on wheat, corns, sorghum and cotton; diseases of the wheat, the corns, the sorghum and the cotton include corn head smut, bunt smut, wheat rust, rice smut, sorghum loose smut, head smut, cotton rhizoctonia and cotton verticillium wilt; relief effects can be realized by the pesticide composition, the use of pesticides can be reduced, and the pesticide composition is safe for human and animals, free of pesticide hazards and good in environmental compatibility.

The invention discloses a method for efficiently carrying CRISPR / Cas9 through functionalized graphene oxide for gene editing. An NGO-PEG-PEI / Cas9 / sgRNA complex is obtained by the following steps: covalently modifying aminated PEG and aminated PEI onto graphene oxide to obtain NGO-PEG-PEI; then assembling Cas9 protein and sgRNA into a Cas9 / sgRNA complex under a room-temperature condition; and mixing NGO-PEG-PEI with the Cas9 / sgRNA complex under a room-temperature condition. The editing of target gene can be realized by mixing the complex with the target gene. The functionalized GO has the characteristics of good biocompatibility and high carrying efficiency, can efficiently carry the Cas9 / sgRNA complex into cells for performing corresponding functions, and has the effect of keeping the Cas9 / sgRNA complex free of enzymatic degradation and high in stability.

The invention discloses an ipconazole-containing pesticide composition. The composition is mainly characterized in that the effective active components are ipconazole and an effective component B, wherein the effective component B is selected from thiamethoxam or imidacloprid or thiacloprid; the weight ratio of the ipconazole to the effective component B is 1:100-50:1; and the composition is prepared into a suspended seed coating. The composition disclosed by the invention can prevent and treat many soil pests and germs, has an obvious synergistic action, widens the prevention and treatment spectrum, and has higher activity for pests and germs on wheat, corns, cotton, peanuts, cucumbers and paddy rice; and the diseases of corns, paddy rice and cotton comprise corn head smut, corn caudex rot and ulcer, rice sheath blight disease and seedling blight. The composition has a slow-release action, reduces the pesticide consumption, is safe for human and livestock, does not have chemical injury, and has favorable environmental compatibility.