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Pesticide composition for controlling watermelon root diseases

A pesticide composition and root disease technology, applied in biocides, animal repellents, plant growth regulators, etc., to achieve the effects of reducing dosage, reducing drug costs, and slowing down the emergence of drug resistance

Active Publication Date: 2015-08-19
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] By consulting the existing patent literature, there is no report on the mixing and application of silthiocarb, azoxystrobin and thiazophos

Method used

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  • Pesticide composition for controlling watermelon root diseases

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1: 12% silthiostrobin·azoxystrobin·thiazolyl granules.

[0019] The following substances are in weight ratio: silthiostrobin 1%, azoxystrobin 1%, thiazolyl 10%, kaolin 5%, red dye 0.3%, 1,2-propanediol 0.4%, 6% PVA solution 1.5%, quartz Sand (8-16 mesh) to 100%. The preparation method step 1: silthiastrobin, azoxystrobin, thiazolyst and kaolin are uniformly mixed and air-flow milled into powder for later use. Step 2: Mix the red dye and powder evenly. Step 3: Weigh the quartz sand, first add half of the PVA solution wetting and 1,2-propanediol wetting the quartz sand in the formula, and then add the powder for stirring and adhesion. After the adhesion and coating are complete, add the rest The PVA solution is coated. Step 4: Dry and pack after passing the inspection.

Embodiment 2

[0020] Example 2: 24% Silthiostrobin·Azoxystrobin·Phosphosate granules.

[0021] The following substances are all in weight ratio: silthiastrobin 2%, azoxystrobin 2%, thiazolyl 20%, K-120.6%, wood calcium 4%, glucose 3%, and kaolin to 100%. Preparation method step 1: Weigh the materials according to the mass percentage and mix them together. After they are evenly mixed, they are pulverized by airflow, and the content is qualified for use after testing. Step 2: Put a certain amount of the semi-finished product of Step 1 into the tank mixer, add water while stirring, pay attention to controlling the amount of water, and stop adding water when the material can be kneaded into a shape (20%-30% of the total material weight), and then This mixed material is put into the extrusion granulator to extrude and granulate. Step 3: Put the semi-finished products of step 2 granules into drying equipment for baking, and after drying, they will be packaged for inspection.

Embodiment 3

[0022] Example 3: The efficacy test of preventing and curing watermelon wilt and root knot nematode in the field.

[0023] Test agent:

[0024] (1) 12% siloxistrobin · azoxystrobin · thiazolyl granules (1% siloxistrobin: 1% azoxystrobin: 10% thiazolyl).

[0025] (2) 24% siloxistrobin, azoxystrobin, thiazolyl granules (2% siloxistrobin: 2% azoxystrobin: 20% thiazolyl).

[0026] (3) 125 g / L silithiamine suspension.

[0027] (4) 3% azoxystrobin granules.

[0028] (5) 10% phosphine thiazolate granules.

[0029] Experimental method: This experiment was carried out in Changkeng Village, Zengguang Town, Huidong County, Huizhou City, Guangdong Province. The treatment agent was sprayed 1 day before transplanting watermelon or poisonous soil. The control effect was investigated 30 days after spraying. The test results are shown in Table 1. .

[0030] Table 1 shows that the 12% siloxistrobin · azoxystrobin · thiazolyl suspending agent, 24% silioxifen · azoxystrobin · thiazolyl WP prevent watermelon ...

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Abstract

The invention relates to a pesticide composition for controlling watermelon root diseases. The pesticide composition comprises, by weight, 0.1-50% of silthiopham, 0.1-30% of azoxystrobin, 0.1-50% of fosthiazate and 5-95% of the rest of auxiliary ingredients, wherein silthiopham, azoxystrobin and fosthiazate are active ingredients of the pesticide composition. The pesticide composition is suitable for controlling of crops' root diseases, especially watermelon fusarium wilt and root-knot nematode. It is found through tests that compounding of silthiopham, azoxystrobin and fosthiazate has the following advantages in comparison with a single ingredient: the control effect is enhanced; control range is broadened; multiple diseases can be controlled by one-time pesticide application; manpower is saved; and labor cost is reduced.

Description

Technical field [0001] The present invention relates to a pesticide composition, in particular to a pesticide composition for preventing and treating watermelon root diseases. The effective ingredients are silthiostrobin, azoxystrobin and phosphazene. Background technique [0002] Plant-parasitic root-knot nematodes mainly include: Meloidogyne, Rotylenchulus, Root-knot nematodes [Heterodera], Root-knot nematodes (Pratykenchus), root-knot nematode damage can greatly reduce the absorption of nutrients and water by plants. At the same time, root-knot nematodes absorb plant root nutrients, and root-knot nematodes cause wounds to plants and cause blight And other root diseases. [0003] Watermelon fusarium wilt is commonly known as "dead seedling disease". At the initial stage of the disease, the leaves on the stems of the diseased plant gradually wilt and die from the base forward. The base of the stems of the diseased plant is slightly constricted, and the diseased part is longitudin...

Claims

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Application Information

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IPC IPC(8): A01N57/32A01P5/00A01P3/00A01N55/10A01N43/54
Inventor 陈佛祥刘鹏冷忠国朱刚
Owner GUANGDONG ZHONGXUN AGRI TECH