Herbicide prepared by binary complex formulation of pendimetalin and oxyfluorfen

Abstract

The invention relates to a herbicide prepared by binary complex formulation of pendimetalin and oxyfluorfen, and the herbicide is composed of the following ingredients by weight: 33% of the pendimethalin, 5% of the oxyfluorfen, 12% of a synergistic agent, 15% of an emulsifier and 35% of a solvent. The herbicide solves the problems that herbicides in the prior art are not wide in used crops and less in weed killing species, is a high efficient, high-speed contact-killing broad-spectrum herbicide, can control annual weeds, can completely achieve effective control of harm of weed communities in fields by one time of herbicide application, can realize no weed in the whole growth period of crops, is safe to the crops, and has no adverse effects on afterreap crops, the application amount of the herbicide in each mu of field is 24-36g, and the cost of application is reduced by 55 to 42% compared with single use of the pendimethalin and oxyfluorfen.

Description

technical field

[0001] The invention relates to a herbicide, in particular to a binary complex herbicide comprising pendimethalin and oxyfluorfen. Background technique

[0002] Peanut fields generally reduce production by 5% to 10% due to weed damage, and severe fields can reach 15% to 20%, or even more. Pendimethalin is a selective pre-emergence and post-emergence dryland soil treatment herbicide; oxyflufen is a contact herbicide that exerts herbicidal effect in the presence of light, and the effect of pre-emergence and early post-emergence application is most. With the development of agricultural science and technology, the popularization and application of chemical herbicides has been taken as one of the powerful measures to increase production by saving labor, time and cost. Contents of the invention

[0003] The purpose of the present invention is to solve the problem that the above-mentioned herbicides cannot kill all the weeds at one time, and provide a herbicide ...

Examples

Embodiment 1

[0011] Take 33 grams of pendimethalin and add 20 milliliters of xylene, stir to dissolve; take 5 grams of oxyfluorfen, add 5 milliliters of xylene, stir and dissolve; mix the two solutions, add 12 grams of pesticides containing tea saponin for synergistic effect Agent (Silwet) 625, 15 grams of emulsifier castor oil polyoxyethylene ether 0206B, stirred for 15 minutes, added 10 grams of xylene in the remainder to form a total mass of 100 grams, stirred for 20 minutes, stood still, and filtered to obtain a The herbicide finished product made of binary compound of pendimethalin and oxyfluorfen.

Embodiment 2

[0013] A method of using the herbicide compounded with pendimethalin and oxyfluorfen binary compound of the present invention:

[0014] Spray before seedlings after wheat sowing, use 24-36g of this product per mu, mix 65 kg of water and spray on the soil surface, it is safe for newly unearthed seedlings, apply after seedlings use 24-36g of this product, mix with 45 kg of water Spray evenly per kilogram, can completely eliminate weeds in the field, and one-time spraying can completely achieve effective control of weed community hazards in the field, realize no weed damage in the whole growth period of crops, and be safe to crops, without any adverse effects on subsequent crops, long-lasting effect Up to 35-55 days.

technical field

[0001] The invention relates to a herbicide, in particular to a binary complex herbicide comprising pendimethalin and oxyfluorfen. Background technique

[0002] Peanut fields generally reduce production by 5% to 10% due to weed damage, and severe fields can reach 15% to 20%, or even more. Pendimethalin is a selective pre-emergence and post-emergence dryland soil treatment herbicide; oxyflufen is a contact herbicide that exerts herbicidal effect in the presence of light, and the effect of pre-emergence and early post-emergence application is most. With the development of agricultural science and technology, the popularization and application of chemical herbicides has been taken as one of the powerful measures to increase production by saving labor, time and cost. Contents of the invention

[0003] The purpose of the present invention is to solve the problem that the above-mentioned herbicides cannot kill all the weeds at one time, and provide a herbicide ...

Examples

Embodiment 1

[0011] Take 33 grams of pendimethalin and add 20 milliliters of xylene, stir to dissolve; take 5 grams of oxyfluorfen, add 5 milliliters of xylene, stir and dissolve; mix the two solutions, add 12 grams of pesticides containing tea saponin for synergistic effect Agent (Silwet) 625, 15 grams of emulsifier castor oil polyoxyethylene ether 0206B, stirred for 15 minutes, added 10 grams of xylene in the remainder to form a total mass of 100 grams, stirred for 20 minutes, stood still, and filtered to obtain a The herbicide finished product made of binary compound of pendimethalin and oxyfluorfen.

Embodiment 2

[0013] A method of using the herbicide compounded with pendimethalin and oxyfluorfen binary compound of the present invention:

[0014] Spray before seedlings after wheat sowing, use 24-36g of this product per mu, mix 65 kg of water and spray on the soil surface, it is safe for newly unearthed seedlings, apply after seedlings use 24-36g of this product, mix with 45 kg of water Spray evenly per kilogram, can completely eliminate weeds in the field, and one-time spraying can completely achieve effective control of weed community hazards in the field, realize no weed damage in the whole growth period of crops, and be safe to crops, without any adverse effects on subsequent crops, long-lasting effect Up to 35-55 days.