46 results about "Pyrifluquinazon" patented technology

The invention relates to a pesticide composition compounded with part of nicotine compounds in the field of pesticide compounding. The active components of the pesticide composition are novel quinazoline pesticide pyrifluquinazon and part of the nicotine compound pesticides, the weight percentage ratio of the two active components is 1 to 90:90 to 1, preferably 1 to 50:60 to 5, the total mass percentage content of the active components in the pesticide composition is 1 to 90 percent, preferably 5 to 65 percent, the balance is acceptable auxiliary components allowed to be used in pesticides, and a known method is used for preparing the pesticide composition into emulsion in water, soluble concentrate, microcapsule suspension, microemulsion, emulsifiable concentrate, suspension, wettable powder, aqueous solution and water-dispersible granules. The pesticide composition with the novel quinazoline pesticide and the nicotine compound pesticides as the active components is mainly used for controlling pests on citrus trees, other fruit trees, vegetables and tea leaves.

The invention discloses a Pyrifluquinazon residue determination method. The method comprises the steps of homogenously extracting residual Pyrifluquinazon in a sample through acetonitrile or 1% acetic acid acetonitrile, dispersing and purifying an extracting solution through ethylenediamine-N-propyl silicane (PSA), octadecyl silicane bonded phase (C18) and graphitized carbon (Carb) substrate, implementing liquid chromatogram-tandem mass spectrum (LC-MS / MS) detection, establishing a correction standard curve through a blank matrix solution dilution standard, and quantifying through an external standard method. According to the determination method disclosed by the invention, average recovery rate is 85.3-92.0%, average relative standard deviation (RSD) is 3.5-6.1% and detection limit is lower than 0.38 mu g / kg, and the method has the advantages of simplicity and rapidness in operation, high sensitivity, good repeatability, and accuracy in qualitative and quantitative determination. The method can satisfy technical requirements of Korea, Japan, European Union and other countries on corresponding product safety detection, and provide powerful technical support for guaranteeing food safety of Chinese people and healthy development of export trade.

The invention relates to a pesticidal composition in the field of pesticide compounding. Active ingredients, namely a novel quinazoline pesticide of pyrifluquinazon and a diacylhydrazine pesticide, are subjected to binary mixing, and the weight percentage ratio of the two active ingredients is 1:90-90:1, preferably (5-50):(60-5); and the pesticidal composition contains 1 to 90 mass percent of active ingredients, preferably 5 to 60 percent and the balance of auxiliary elements which are allowed to be used and acceptable in pesticides, and can be prepared into missible oil, a suspending agent, wettable powder, water dispersible granules, emulsion in water, and microemulsion. After the novel quinazoline pesticide of pyrifluquinazon and the diacylhydrazine pesticide are subjected to binary mixing, the pesticidal composition has an obvious control effect on lepidoptera such as plutella xylostella, beet armyworm, prodenia litura, cotton bollworm, striped rice borer, mealybugs and the like, and sucking mouthparts pests of homoptera, such as plant hopper, aphid, mealywing, leafhopper and the like.

The present invention relates to a pesticidal composition comprising pyrifluquinazon and lambda-cyhalothrin, and specifically relates to a method for controlling pests. The pesticidal composition comprising pyrifluquinazon and lambda-cyhalothrin has a weight ratio of pyrifluquinazon to lambda-cyhalothrin of 1:100 to 100:1. A method for preventing or controlling pests: using the pesticidal composition on a target useful plant, a target pest or an environment thereof, and a reproductive material for the target useful plant. A method for protecting plant seeds comprising: allowing seeds to be in contact with an efficacious dose of the pesticidal composition of the present invention before sowing and / or after germination. A seed administered and treated with an efficacious dose of the pesticidal composition of the present invention.

The invention relates to an insecticidal composition. The insecticidal composition comprises pyrifluquinazon and spirotetramat. The invention especially relates to an agricultural insect control method. A weight ratio of pyrifluquinazon to spirotetramat is 1: 100 to 100: 1. The invention discloses a method for preventing or controlling agricultural insects. The method utilizes the insecticidal composition for a target useful plant, a target agricultural insect or its environment, and a target useful plant propagating material. The invention discloses a plant seed protection method and the method comprises that seeds contact with an effective amount of the insecticidal composition before and / or after pregermination. The insecticidal composition is used for seed treatment.

The invention relates to an insecticidal composition. The insecticidal composition comprises pyrifluquinazon and hexaflumuron. The invention especially relates to an agricultural insect control method. A weight ratio of pyrifluquinazon to hexaflumuron is 1: 100 to 100: 1. The invention discloses a method for preventing or controlling agricultural insects. The method utilizes the insecticidal composition for a target useful plant, a target agricultural insect or its environment, and a target useful plant propagating material. The invention discloses a method for preventing agricultural insect attack. The method comprises utilizing the insecticidal composition for plants, a plant propagating material and an environment before and / or after insect attack.

The invention relates to an insecticidal composition. The insecticidal composition comprises pyrifluquinazon and chlorfluazuron. The invention especially relates to an agricultural insect control method. A weight ratio of pyrifluquinazon to chlorfluazuron is 1: 100 to 100: 1. The invention discloses a method for preventing or controlling agricultural insects. The method utilizes the insecticidal composition for a target useful plant, a target agricultural insect or its environment, and a target useful plant propagating material. The invention discloses a method for preventing agricultural insect attack. The method comprises utilizing the insecticidal composition for plants, a plant propagating material and an environment before and / or after insect attack.

The present invention relates to a pesticidal composition comprising pyrifluquinazon and lambda-cyhalothrin, and specifically relates to a method for controlling pests. The pesticidal composition comprising pyrifluquinazon and lambda-cyhalothrin has a weight ratio of pyrifluquinazon to lambda-cyhalothrin of 1:100 to 100:1. A method for preventing or controlling pests: using the pesticidal composition on a target useful plant, a target pest or an environment thereof, and a reproductive material for the target useful plant. A method for protecting plant seeds comprising: allowing seeds to be in contact with an efficacious dose of the pesticidal composition of the present invention before sowing and / or after germination. A seed administered and treated with an efficacious dose of the pesticidal composition of the present invention.

The invention relates to an insecticidal composition. The insecticidal composition comprises pyrifluquinazon and diafenthiuron. The invention especially relates to an agricultural insect control method. A weight ratio of pyrifluquinazon to diafenthiuron is 1: 100 to 100: 1. The invention discloses a method for preventing or controlling agricultural insects. The method utilizes the insecticidal composition for a target useful plant, a target agricultural insect or its environment, and a target useful plant propagating material. The invention discloses a method for preventing agricultural insect attack. The method comprises utilizing the insecticidal composition for plants, a plant propagating material and an environment before and / or after insect attack.

The invention relates to an insecticidal composition comprising pyrifluquinazon and deltamethrin and especially relates to a method for controlling agricultural pests. The insecticidal composition comprises pyrifluquinazon and deltamethrin according to a weight ratio of 1: 100 to 100: 1. The method for preventing or controlling agricultural pests utilizes the insecticidal composition for a desired useful plant, an object agricultural pest or its environment, and a desired useful plant breeding material. The invention relates to a method for protecting plant seeds and the method comprises contacting seeds and an effective amount of the desired useful plant before sowing and / or after pregermination. The invention relates to a seed applied with an effective amount of the insecticidal composition.

The invention relates to an insecticidal composition. The insecticidal composition comprises pyrifluquinazon and flufenoxuron. The invention especially relates to an agricultural insect control method. A weight ratio of pyrifluquinazon to flufenoxuron is 1: 100 to 100: 1. The invention discloses a method for preventing or controlling agricultural insects. The method utilizes the insecticidal composition for a target useful plant, a target agricultural insect or its environment, and a target useful plant propagating material. The invention discloses a method for preventing agricultural insect attack. The method comprises utilizing the insecticidal composition for plants, a plant propagating material and an environment before and / or after insect attack.

The invention discloses a determination method for Pyrifluquinazon residual quantity. The method is mainly used for determining the content of residual Pyrifluquinazon in complex matrix food and agricultural products such as cereal grains and animal derived foods. Homogeneous extraction of residual Pyrifluquinazon in samples is carried out by using acetonitrile or an acetonitrile solution containing 1% of acetic acid, after purification and concentration with a C18 / PSA solid-phase extraction column, gas chromatography-negative chemical ion source-mass spectrometry (GC-NCI-MS) detection is carried out, a corrected standard curve is established by adopting a blank substrate solution which does not contain a pesticide to be tested, and quantization is carried out by an external standard method. According to the method, the average recovery rate is 75.1%-80.2%, the average relative standard deviation (RSD) is 4.8%-8.0%, the detection limit is lower than 2.77 microg / kg, and the determination method has the advantages of easiness, convenience and quickness in operation, good impurity removal effect, high sensitivity, marked characteristics, good repeatability, and accurate qualification and quantization. The determination method can meet the technical requirement of countries such as Japan, European Union and South Korea for 0.01mg / kg residue limit in corresponding food safety testing, namely 'uniform standard', so as to provide powerful technical support for guaranteeing the food safety of Chinese people and the healthy development of export trade.

The invention relates to an insecticidal composition. The insecticidal composition comprises pyrifluquinazon and SYP-9080. The invention especially relates to an agricultural insect control method. A weight ratio of pyrifluquinazon to SYP-9080 is 1: 100 to 100: 1. The invention discloses a method for preventing or controlling agricultural insects. The method utilizes the insecticidal composition for a target useful plant, a target agricultural insect or its environment, and a target useful plant propagating material. The invention discloses a method for preventing agricultural insect attack. The invention discloses a plant seed protection method and the method comprises that seeds contact with an effective amount of the insecticidal composition before and / or after pregermination. The insecticidal composition is used for seed treatment.