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Aerial plant protection preparation for controlling diseases and pests in rice fields

A kind of anti-flying and preparation technology, applied in the field of anti-flying preparations, can solve the problem that the effect cannot be conventionally expected, and achieve the effect of ideal control effect and stable performance

Inactive Publication Date: 2018-05-08
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] When mixing agents with a synergistic effect, the effect cannot be conventionally expected. For example, the compound use of difenoconazole and fludioxonil has a synergistic effect, and the existing pesticide preparation of difenoconazole fludioxonil is sold and there is also a patent (publication number CN103553763A) that adopts chlorpyrifos (trade name Lesben) and fludioxonil to compound the pesticide composition, but Chen Hongyu etc. use phenyl ether fludioxonil and Lesben in combination to treat Astragalus root rot. It was found that the control effect of the compounded three pesticides was only 40.21%, while the compounded effect of difenoconazole and Lesben (chlorpyrifos) was 44.13% (Chen Hongyu, Mao Zhengyun. Several pesticides compounded Field efficacy test of formula for controlling Astragalus root rot[J].Agricultural Science and Information, 2014(2):33-34)
At present, the four pesticides of thifuramide, trifloxystrobin, nitenpyram and chlorantraniliprole are all registered for use in rice. There is a patent report on the synergistic effect of benzamide combination on rice diseases and insect pests, but there is no report on the quaternary mixing of the above-mentioned medicaments and preparation of an aerial control preparation suitable for rice breaching stage

Method used

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  • Aerial plant protection preparation for controlling diseases and pests in rice fields
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  • Aerial plant protection preparation for controlling diseases and pests in rice fields

Examples

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preparation example Construction

[0035] The present invention also provides a preparation method of an aerial control preparation for the control of rice field diseases and insect pests, the preparation method preferably adopts the ultrafine pulverization method; specifically, the preparation method includes the following steps:

[0036] 1) Thiofuramide, trifloxystrobin, nitenpyram, chlorantraniliprole, wetting agent, dispersant, thickener, antifreeze, defoamer, viscosity regulator, stabilizer and water in proportion Pre-dispersed into a uniform slurry;

[0037] 2) Sand-milling the above slurry to obtain an anti-flying preparation.

[0038] In the present invention, the sand mill is preferably sanded to a D98 particle size of <5 μm; the sand mill medium is preferably zirconium beads, and the diameter of the zirconium beads is preferably 0.4-1.5 mm.

Embodiment 1

[0041] 12% flying anti-suspending agent, formula by weight percentage: Thiofuramide 3%, Trifloxystrobin 7%, Nitenpyram 1%, Chlorantraniliprole 1%, Polyhydroxy acid sodium salt dispersant 3%, Deca Dialkyl sodium sulfate 2%, xanthan gum 1%, ethylene glycol 3%, polyoxysilane 0.2%, paraffin 0.2%, bentonite 1%, water 77.6%.

[0042] Processed by ultra-fine pulverization method, according to the above ratio, disperse all the raw materials into a homogeneous slurry; then put the slurry into a sand mill and grind it until the D98 particle size is less than 5 μm.

Embodiment 2

[0044] 14% flying anti-suspending agent, formula by weight percentage: Thiofuramide 5%, Trifloxystrobin 7%, Nitenpyram 1%, Chlorantraniliprole 1%, 2-naphthalenesulfonic acid formaldehyde polymer sodium salt 4%, sodium dodecylbenzenesulfonate 3%, magnesium aluminum silicate 1%, urea 3%, silicone defoamer KX-200.3%, cyclohexanol 0.3%, white carbon black 1%, water 73.4 %.

[0045] The preparation method is the same as in Example 1.

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Abstract

The invention provides an aerial plant protection preparation for controlling diseases and pests in rice fields, and belongs to the field of pesticide compositions. The aerial plant protection preparation comprises the following components in percent by weight: 2-10% of thifluzamide, 5-15% of trifloxystrobin, 1-7% of nitenpyram, 1-5% of chlorantraniliprole, 2-7% of a dispersant, 1-5% of a wettingagent, 0.1-5% of a thickener, 2-6% of an antifreezing agent, 0.1-0.6% of a defoaming agent, 0.1-0.5% of a viscosity modifier, 1-5% of a stabilizer and the balance of water. After compounding of thifluzamide, trifloxystrobin, nitenpyram and chlorantraniliprole, the aerial plant protection preparation has an obvious synergistic effect and can simultaneously control various diseases and pests in thelater stage of rice growth; the aerial plant protection preparation is stable in performance, can be applied to aerial plant protection under a low-dilution ratio or undiluted condition, does not block nozzles, can quickly spread droplets on the surface of rice in a wet spreading manner, can simultaneously control various diseases and pests in the rice fields in the later stage of the rice growth,and has an ideal control effect.

Description

Technical field [0001] The invention belongs to the field of pesticide compositions, and specifically relates to an aerial control preparation used for the prevention and control of diseases and insect pests in rice fields. Background technique [0002] Rice is my country's most important food crop. At present, about 60% of the country's population mainly depends on rice. Rice production has ranked first among my country's three major food crops (rice, wheat, and corn) for many years. With the transfer of land, large-scale rice cultivation has become a trend. In the rice production process, the planting and harvesting links have been basically mechanized. However, in the rice management link, especially pest control, we still mainly rely on traditional manpower methods such as backpack sprayers and motorized sprayers, which do not meet the needs of modern industrial development. Aviation plant protection emerged to adapt to the times and play an important role in modern uni...

Claims

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Application Information

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IPC IPC(8): A01N47/02A01N37/50A01N43/40A01N43/56A01P3/00A01P7/04
CPCA01N37/50A01N43/40A01N43/56A01N43/78
Inventor 徐德进顾中言徐广春许小龙徐鹿
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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