专利摘要:
Agrochemical solid formulation. The present invention provides an agrochemical solid formulation comprising an agrochemical active ingredient and at least one ester compound selected from the group consisting of a di (c 9 -c 18 alkyl) phthalate and tri (c 1 -c 6) alkyl citrate which may be acetylated, wherein the agrochemical active ingredient and the ester compound are impregnated in an oil absorbing vehicle and the agrochemical active ingredient is esfenvalerate dissolved in the ester compound and having excellent pest control efficacy. (Machine-translation by Google Translate, not legally binding)
公开号:ES2629996A1
申请号:ES201730178
申请日:2017-02-14
公开日:2017-08-17
发明作者:Takahiro Iida;Kazuyuki Yanagisawa
申请人:Sumitomo Chemical Co Ltd;
IPC主号:
专利说明:

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A method for preparing the present formulation (hereinafter referred to as "present method of preparation") is described. The present method of preparation comprises a step of mixing the present ester and sphevalerate compound to prepare a uniform solution (hereinafter referred to as "stage A") and an impregnation stage of the uniform solution prepared in stage A in an absorbent vehicle of oil (hereinafter referred to as "stage B").
In step A, sphevalerate which is heated to melt when necessary and the ester compound present is mixed. During the period of the operations, a surfactant can be added to the mixture. Esfenvalerate and the present ester compound are mixed until a uniform mixture is formed to obtain a uniform solution. The mixing operation in step A is performed using a stirrer. Examples of the agitator include a homogenizer and a helix agitator and the like. When sphevalerate is heated to melt, the solution is cooled to room temperature.
In step B, the uniform solution prepared in step A (hereinafter referred to as "present solution" and the oil absorbing vehicle are mixed. During the period of the operations, a surfactant and / or a coloring agent can be added to the mixture The present solution and the oil absorbing vehicle are mixed to impregnate the present solution in the oil absorbing vehicle The mixing operation in step B is performed using a mixing machine Examples of the mixing machine include a belt mixer, a Henschel mixer, a nauta mixer and a Loedige mixer, and the like.
A method for cultivating a crop in the present invention (hereinafter referred to as "present cultivation method") comprises a step of applying an effective amount of the present formulation to the soil, in which a crop is cultivated (hereinafter, called "stage I"). Examples of a form of application in stage I include a groove application, a lateral row application and a drill hole treatment (soil incorporation), and the like.
The amount of application of the present formulation applied in stage I can be varied depending on the type of crop, the crop conditions for the crop, the time of application, the weather conditions and the like, and which is within a normally range from 5 to 5,000 g and preferably from 10 to 2,000 g per 1 hectare of the soil where the crop is grown.
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the solid agrochemical formulation (1) of the present invention (hereafter
denominated "present Formulation (1)").
Preparation Example 2
1.2 parts by weight of sphevalerate were heated to 60 ° C to melt and then 3.8 parts by weight of LINPLAST 13XP were added. The ingredients were mixed until a uniform mixture formed and the uniform mixture was cooled to room temperature to obtain a "solution B." The uniform solution B was added to 95.0 parts by weight of granular plaster, and then the mixture was stirred using a spatula for 5 minutes to obtain the solid agrochemical formulation (2) of the present invention (hereafter referred to as "present Formulation (2)").
Preparation Example 3
1.2 parts by weight of sphevalerate were heated at 60 ° C to melt and then 3.8 parts by weight of CITROFLEX A-2 were added. The ingredients were mixed until a uniform mixture formed and the uniform mixture was cooled to room temperature to obtain a "solution C." The uniform solution C was added to 95.0 parts by weight of granular plaster, and then the mixture was stirred using a spatula for 5 minutes to obtain the solid agrochemical formulation (3) of the present invention (hereafter referred to as "present Formulation (3)").
Preparation Example 4
1.2 parts by weight of sphevalerate were heated to 60 ° C to melt and then 3.8 parts by weight of triethyl citrate were added. The ingredients were mixed until a uniform mixture formed and the uniform mixture was cooled to room temperature to obtain a "solution D". The uniform solution D was added to 95.0 parts by weight of granular plaster, and then the mixture was stirred using a Nauta mixer for 5 minutes to obtain the solid agrochemical formulation (4) of the present invention (hereafter referred to as "present Formulation (4)").
Comparative Preparation Example 1
1.2 parts by weight of sphevalerate were heated at 60 ° C to melt and then
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added 3.8 parts by weight of Solvesso 200. The ingredients were mixed until a uniform mixture formed and the uniform mixture was cooled to room temperature to obtain a "solution I". The uniform solution I was added to 95.0 parts by weight of granular plaster, and then the mixture was stirred using a spatula for 5 minutes to obtain the comparative agrochemical solid formulation (1) of the present invention (hereafter referred to as "present comparative formulation (1)").
Next, Test Examples are described.
Test Example 1
Soil was introduced into a plastic container that had a diameter of 7 cm and a depth of 12 cm, and a groove 3 cm deep was formed so that it had a V-shape in a direction perpendicular to the soil surface. One (1) corn seed grain was placed in the groove and the solid agrochemical formulation was applied to the interior of the groove so that the rate of application of sphevalerate per area of soil in the container was 120 g / ha and then , the groove was closed by placing on the ground on one side of the groove above the groove.
The corn was grown in a greenhouse. Ten (10) days after the application of the agrochemical solid formulation, 20 heads of newly born larvae of the western corn root worm (Diabrotica virgifera virgifera) were released by a corn plant. This was called "treated plot."
On the other hand, corn was grown in a manner similar to those of the treated plot, except that the solid agrochemical formulation was not applied, and 20 heads of newly born larvae of Diabrotica virgifera virgifera were released. This was called "untreated plot."
Ten (10) days after the release of the insects, the corn plants were collected and the damage caused by the newborn larvae of Diabrotica virgifera virgifera to the nodal roots of corn and the proportion of the number of damaged nodules and The number of all nodal roots was calculated as a ratio of damage according to the following equation (3).
Eq. (3) Damage ratio (%) = 100 × A / B in which
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A: Number of damaged nodal roots
B: Number of all nodal roots
5 The preventive value was calculated according to the following equation (4) and an average preventive value of 5 repetitions was then calculated. Equ. (4) Preventive value (%) = 100 × (1-C / D)
10 in which
C: Damage ratio of the treated plot
D: Damage ratio of untreated plot
15 The result is shown in Table 1.
[Table 1]
Solid agrochemical formulation applied Preventive Value (%)
Present formulation (1) 73.5
Present formulation (2) 72.5
Present formulation (3) 65.3
Present formulation (4) 69.1
Comparative Formulation (1) 30.9
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权利要求:
Claims (1)
[1]
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同族专利:
公开号 | 公开日
ES2629996B1|2018-02-28|
FR3047639A1|2017-08-18|
FR3047639B1|2020-03-06|
JP2017145204A|2017-08-24|
HU1700073A2|2017-08-28|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题
GB2002635A|1977-08-05|1979-02-28|Fumakilla Ltd|Method of enchancing the activity of fast evaporating insecticides|
US20090263437A1|2008-04-16|2009-10-22|Talmor Giora|Pesticide compositions|
WO2012146887A1|2011-04-26|2012-11-01|Syngenta Limited|Formulation component|US20170231222A1|2016-02-16|2017-08-17|Sumitomo Chemical Company, Limited|Coated agrochemical granule|
CN111972228A|2020-09-01|2020-11-24|广西大学|Method for planting southern forage grass formula|
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