Seed treatment heterogeneous preparation for treating both diseases and pests

A seed treatment and preparation technology, applied in the field of pesticides, can solve problems such as yield reduction, damage, reduction of thousand-grain weight, etc., and achieve the effects of expanding the control range, significant control effect, and simple use.

Active Publication Date: 2020-07-10
南通联农佳田作物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wheat concentrates on the ear after earing, forming grains, reducing thousand-grain weight and reducing yield

Method used

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  • Seed treatment heterogeneous preparation for treating both diseases and pests
  • Seed treatment heterogeneous preparation for treating both diseases and pests
  • Seed treatment heterogeneous preparation for treating both diseases and pests

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] Such as figure 1 As shown, the present invention discloses a method for preparing a multi-phase preparation for treating both diseases and insect pests, the method comprising:

[0088] S1. Dissolving the first capsule wall material in an oil phase composed of fludioxonil, azoxystrobin and a solvent to obtain a mixed oil phase;

[0089] S2, adding the mixed oil phase into the water phase composed of the second capsule wall material to obtain fludioxonil-azoxystrobin microcapsule suspension;

[0090] S3, mixing dinotefuran with deionized water, a wetting agent, and a dispersant to obtain a mixed slurry;

[0091] S4, performing ultrafine pulverization on the mixed slurry to obtain dinotefuran suspension concentrate;

[0092] S5. Add the dinotefuran suspension into the fludioxonil-azoxystrobin microcapsule suspension, and then add antifreeze, first thickener, second thickener, preservative and defoamer in sequence, Stir evenly to obtain azoxystrobin-fludioxonil-dnotefura...

Embodiment 2

[0114] The invention discloses a method for preparing a multi-phase preparation for seed treatment for treating both diseases and insect pests, which is characterized in that the method comprises:

[0115] S1. Dissolving the first capsule wall material in an oil phase composed of fludioxonil, azoxystrobin and a solvent to obtain a mixed oil phase;

[0116] S2, adding the mixed oil phase into the water phase composed of the second capsule wall material to obtain fludioxonil-azoxystrobin microcapsule suspension;

[0117] S3, mixing dinotefuran with deionized water, a wetting agent, and a dispersant to obtain a mixed slurry;

[0118] S4, performing ultrafine pulverization on the mixed slurry to obtain dinotefuran suspension concentrate;

[0119] S5. Add the dinotefuran suspension into the fludioxonil-azoxystrobin microcapsule suspension, and then add antifreeze, first thickener, second thickener, preservative and defoamer in sequence, Stir evenly to obtain azoxystrobin-fludioxo...

Embodiment 3

[0133] In this example, the mycelial growth rate method was used to test the indoor antibacterial activity of fludioxonil and azoxystrobin single agents on wheat sheath blight bacteria, and the joint action types of 7 proportioning combinations were designed and screened, and found The ratio with significant synergistic effect; (2) Using the dipping method, tested the indoor toxicity of 3 different ratio combinations to wheat aphids, and found the ratio with significant toxicity.

[0134] experiment material

[0135] 1 Test for determination of wheat sheath blight virus force

[0136] 1.1 Design of test agents and test doses

[0137] 95% of the technical fludioxonil and 97% of the technical azoxystrobin were provided by XXX Co., Ltd. Designed 7 combinations of 2.5+1, 2.5+1.5, 2.5+2.5, 2.5+5, 2.5+7.5, 2.5+10 and 2.5+12.5, namely 1:0.4, 1:0.6, 1:1, 1:2 , 1:3, 1:4 and 1:5. The dose design after the pre-experiment is shown in Table 5.

[0138] Table 5 Test dose design

[013...

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Abstract

The invention discloses a seed treatment heterogeneous preparation for treating both diseases and pests. Active components of the seed treatment heterogeneous preparation for treating both diseases and pests are azoxystrobin, fludioxonil and dinotefuran, the free content of the azoxystrobin is smaller than or equal to 0.15%, the free content of the fludioxonil is smaller than or equal to 0.25%, the pH value of the seed treatment heterogeneous preparation is 5.0-8.5, and the bleeding rate does not exceed 5%. The seed treatment heterogeneous preparation disclosed by the invention has the effectsof treating both diseases and insects, has a relatively obvious control effect on wheat sharp eyespot and wheat aphids, is relatively economical and long in lasting period, is safe to wheat seeds andseedlings, slows down the generation of drug resistance of diseases and insect pests, greatly improves the control effect and enlarges the control range.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a multiphase seed treatment preparation for treating both diseases and insect pests. Background technique [0002] Wheat is one of the three major food crops in my country, and the development of wheat production is of great significance to meet people's living needs and ensure food security. [0003] In agricultural production, the occurrence of pests and diseases has always existed objectively, which has caused serious losses to agricultural production, not only the yield has dropped significantly, but the quality of crops has also decreased significantly. According to data records, there are more than 50 kinds of wheat diseases and more than 200 kinds of wheat pests in my country. [0004] Among them, wheat aphids are one of the main pests of wheat, commonly known as oil insects, greasy insects, and honey insects, which can pierce and suck wheat and affect wheat photosyn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N43/36A01N51/00A01N25/04A01P7/04A01P3/00A01P1/00
CPCA01N25/04A01N43/36A01N43/54A01N51/00
Inventor 仲苏林吴建兰曹新梅胥亚云陈玲玲
Owner 南通联农佳田作物科技有限公司
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