JPS5890503A - Herbicidal composition - Google Patents

Abstract

PURPOSE:To prepare the titled composition effective to gramineous weeds and broad-leaved weeds, by using a mixture of 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine and methyl sulfanilylcarbamate as an active component. CONSTITUTION:The objective herbicide contains 2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine and methyl sulfanilylcarbamate as active components. The ratio of the active components is selected according to the time of application, place of application and the growth state of the plant. It is applied in the form of wettable powder, emulsifiable concentrate, etc. by mixing various carriers widely used in the preparation of agricultural chemicals, at a rate of usually 30-1,300g, preferably 60-500g per 10 ares. It can be used in combination with other herbicide, fungicide, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention discloses the use of lyazine C (hereinafter referred to as "atrazine") and methyl sulfa dicarpate (hereinafter referred to as "atrazine"). Regarding herbicidal compositions containing hot metals as active ingredients, the scope of application is wide. <, *Provides a herbicide with high individual value.

Atotsuji Y is a non-hormonal translocated herbicide that exhibits high herbicidal power against all annual weeds and has zero crop selectivity.
This drug is more quickly effective than the similar simazine, but depending on the grass species, it may take several weeks for the grass to die. In addition, it is very effective against seedlings before or just after germination, but less effective against grown weeds, perennials, and SS weeds.

On the other hand, Ashidorotsumu is an acid amide compound and non-hormonal translocating herbicide that is absorbed from the foliage of weeds and transferred to the growth points, inhibiting cell division and causing death.

By treating the soil sensitive layer with foliage before weed emergence and during the growing season, it has strong herbicidal power against a wide range of weeds.
However, it is less effective against weeds that belong to the Cyperaceae family and not the Cyperaceae family.

The inventors of the present invention have carried out various studies aimed at supplementing these drawbacks, and as a result, we have determined that a mixture of atrazine and reeds can be applied to non-agricultural land or cultivated fields before weed germination and during the growing season after germination. K. completed the present invention by discovering that it has an excellent weeding effect without causing any damage to lawns or crops.

The composition of the present invention exhibits a strong herbicidal effect on both grassy weeds and broad-leaved weeds due to the additive effect, expanding the types of weeds that can be weeded, and surprisingly exhibiting a synergistic effect. However, in terms of efficacy and practicality, mixing with atrazine is also useful for other todazine drugs.

That is, the present invention relates to a herbicidal composition comprising atrazine and acidum, which is characterized by significantly improved performance as a herbicide due to the synergistic effect based on the combination of active ingredients. It is. Although mako, atrazine, and acitomum are all known substances as herbicides, the invention of the synergistic effect of herbicides when these are combined is new.

The active ingredients contained in the herbicidal composition of the present invention can be blended in any proportion depending on the time of use, place of use, or growth conditions of plants.

The composition of the present invention usually contains 30 to 13 GO per 10 ares.
Although it is appropriate to use preferably at a ratio of 60 to 500 F, it goes without saying that the dosage can be adjusted as appropriate depending on the situation of the plant.

For formulation, it can be mixed with various solid and liquid carriers commonly used in the preparation of agricultural chemicals to produce wettable powders, emulsions, powders, etc. Furthermore, auxiliary agents such as dispersants, diluents, emulsifiers, penetrants, and binders may be added to the drug.Depending on the purpose of use, the above components may be combined with other herbicides, curing agents, etc. It can be used in combination with drainage agents, plant growth regulators, fertilizers, etc.

Next, an experimental example will be shown and the effects of the present invention will be explained in detail.

Experimental example L The rough K1 section of Utsunomiya Country Club, where the Sparrowfish have grown extremely large and become one stock, is lm.
A test plot of x1m was set up, and the drug was prepared in the same manner as in Example 1 below, with a predetermined amount of active ingredient.
The concentration of the active ingredient was kept constant by increasing or decreasing the amount of clay (9)) It was diluted with water to a predetermined dose and sprayed with a manual sprayer at a rate of 200 μm/10 m (9) The effectiveness was investigated after treatment with the chemical. On the 26th day, the remaining live weight of the Sparrowfly was measured and compared with the control plot. Furthermore, we also observed the chemical damage caused by Kouraishino. The results are shown in Table 3.

The results obtained are shown using the numerical values in Table 1 below.

The results obtained for drug damage in Table 1 are shown using the values in Table 2 below.

Table 2 Table 3 Experimental Example 2 Grown edible chinensis and crabgrass by soil cultivation in a seedling plant tester, and when these had a plant height of 253 cm, an irrigation agent with a predetermined amount of active ingredient was adjusted in the same manner as in Example 1. (Atrazine and acitameram alone are formulated in the same manner,
The active ingredient concentration was kept constant by increasing or decreasing clay. ) Dilute with water to the specified dose and add 150 j / 10 m
It was sprayed at a ratio of The effectiveness was observed on the 12th day after drug treatment. The results are shown in Table 4.

Note that the numerical values in the table are in accordance with Table 1.

Table 4 Experimental Example 1 Ichishidaipun was grown by soil cultivation in a seedling plant tester, and when it reached the 6-leaf stage with a plant height of 30C1l, Example 1 and FjJ
Prepare an aquarium with a predetermined amount of active ingredients in the same way (atrazine and acitamerum alone are also formulated in the same way,
The active ingredient IIIwIL was kept constant by increasing or decreasing clay.

vP) Dilute with water to the specified dose and use 150 A
/ 1 G m. The effects were investigated on the 20th day after treatment with the drug, and the results are shown in Table 5.The numerical values in the table are the same as those in Table 1.

Table 5 Fruits - Against the naturally occurring grasshoppers, blueberry grass, blackberry grass, blackberry grass, wild grass, onion fir, and purple oak grass that naturally occur in fallen fields.
A hydrating agent with a predetermined amount of active ingredient was prepared in the same manner as in Example 1 (a formulation using only atrazine and acytameram was prepared in the same manner, and the amount of clay was increased or decreased to maintain a constant concentration of active ingredient of 1 ft.
1, 7't,) Diluted with water to the prescribed dose and treated with stem vegetables at a ratio of 1001/10m9.The effect was investigated by observing on the 45th day after treatment with the drug. The results are shown in Table 6. The numerical values in the table are shown in Table 1, and the present invention will be explained with reference to Examples.

Example L 25 parts by weight of atrazine, 15 parts by weight of Ashitaram.

A wettable powder was obtained by thoroughly grinding and mixing 3 parts by weight of alkyl sulfate, 2 parts by weight of diethylene alkyl allyl ether in polio, and 55 parts by weight of tare.

Example 2 125 parts by weight of atrazine, 75 parts by weight of Acilum α, 2 parts by weight of lignin sulfonate, 30 parts by weight of bentonite and 66 parts by weight of talc were thoroughly mixed, 25 parts by weight of water was added, kneaded, and extruded. Obtain granules by using a type granulator.

Applicant: Chugai Pharmaceutical Co., Ltd.

Claims (1)

[Claims] A herbicidal composition containing a mixture with methyl carbamate as an active ingredient.