Weed killer composition with function of broad-spectrum weeding

A composition and herbicide technology, applied in the production of herbicides and in the field of agricultural production, can solve the problems of ineffective pre-emergence treatment, etc., and achieve the effect of reducing agricultural production costs, broad-spectrum weeding performance, and broad-spectrum weeding

Inactive Publication Date: 2014-12-10
JIANGSU DONGBAO AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This variety can only be used as stem and leaf treatment in the weed control process of direct-seeding paddy field, and the pre-emergence treatment is invalid

Method used

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  • Weed killer composition with function of broad-spectrum weeding
  • Weed killer composition with function of broad-spectrum weeding
  • Weed killer composition with function of broad-spectrum weeding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1: Preparation of 15% cyhalofop-pyrimifluben EC.

[0016] Specific formula:

[0017] Cyhalofop-methyl 10%

[0018] Bispyribac 5%

[0019] Nongru 500 (emulsifier) ​​10%

[0020] Xylene (solvent) 75%

[0021] The composition weighs cyhalofop-methyl and pyriflufen according to the above ratio. According to the product form to be prepared, it is in the form of emulsifiable concentrate, and the emulsifier and solvent of the proprietary formula are used. After being fully mixed in the enamel stirring tank, add The emulsifier in the additive is stirred again for 30 minutes, and after passing the inspection, the large package of the finished product is obtained, and then sub-packaged.

[0022] The control effects of 25 ml / mu, 37.5 ml / mu, and 50 ml / mu of the preparations made according to the above ratio to paddy barnyardgrass, stephenia, and sedge are more than 90%, which is better than single use. See comparison table 1, 2 and 3.

[0023] Table 1 15% cyhalof...

Embodiment 2

[0035] Example 2: Preparation of 12% Cyhalofop-Pyrimifluben EC

[0036] Specific formula:

[0037] Cyhalofop-methyl 8%

[0038] Bispyribac 4%

[0039] Nongru 500 (emulsifier) ​​10%

[0040] Xylene (solvent) 78%

[0041] Production method is the same as example 1.

[0042] The control effects of 30 ml / mu, 45 ml / mu, and 60 ml / mu of the preparations made according to the above ratio to rice barnyardgrass, daughter of a daughter, and sedge are all above 90%, and they are also better than cyhalofop-ester and sedge The two products of pyrifluconid are used alone, see Tables 4 and 5 below.

[0043] Table 4 12% cyhalofop-methyl-pyrimifluben EC to control direct-seeded rice fields

[0044] Annual weed control effect (%) - plant control 45 days after application

[0045] (Nanchang, Jiangxi)

[0046]

[0047] Table 5 12% cyhalofop-methyl-pyrimifluben EC to control direct-seeded rice fields

[0048] Annual weed control effect (%) - fresh control 45 days after applicati...

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Abstract

The invention discloses a weed killer composition with the function of broad-spectrum weeding, and relates to the technical field of agricultural production. The composition disclosed by the invention consists of effective constituents, emulsifiers and solvents, and is in the dosage form of missible oil. The composition is characterized in that the effective constituents of the composition are cyhalofop-butyl and pyriminobac-methyl. The cyhalofop-butyl and the pyriminobac-methyl are compounded in the composition, so that the composition has the function of high-efficient and broad-spectrum weeding, the weeding scope is extended, and the control effect for barnyard grasses, semen euphorbiae, sedges, convexutricle sedge herbs, heleocharis plantagineiformis, sagittaria pygmaea, alternanthera philoxeroides and four-peduncles four-circumference paspalum distichum, and the like in direct seeding paddy fields is good, and better than that of using two single dosage varieties of the cyhalofop-butyl and the pyriminobac-methyl. The composition can be widely used for preventing and killing off various weeds in the rice direct seeding fields.

Description

technical field [0001] The invention relates to the technical field of agricultural production, especially the technical field of herbicide production. Background technique [0002] Rice is the main food crop in my country, and the country's rice planting area has been stable at about 450 million mu for many years. With the continuous popularization and application of rice light cultivation techniques, the development of direct-directed rice is particularly rapid. Due to its huge advantages of saving labor and cost and liberating rural productivity, it has gradually become a rice cultivation method with broad development prospects in major rice producing areas in my country. Due to the cultivation methods and characteristics of direct-directed rice fields, the occurrence of weed damage in direct-directed rice fields is very prominent. [0003] Weeds in direct seeded paddy fields are dominated by Gramineae weeds such as A. chinensis and barnyardgrass, which are abundant and...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01P13/00A01N39/04
Inventor 孙红军南艳童振祥徐国香杭从莉
Owner JIANGSU DONGBAO AGROCHEM
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