Insecticidal composition containing spinosad and thiocyclam

The technology of an insecticidal composition and spinosad is applied in the directions of insecticides, biocides, animal repellents, etc., which can solve the problems of weed resistance and environmental pollution, and achieve the improvement of the control effect and the improvement of the control effect. Effect

Active Publication Date: 2021-07-16
BENGBU ZHONGTU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Long-term use of chemical agents alone is likely to cause weed resistance and pollute the environment. Finding synergistic compositions that can improve the insecticidal effect and reduce the dosage of active ingredients is the research and development focus of many domestic pesticide companies

Method used

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  • Insecticidal composition containing spinosad and thiocyclam
  • Insecticidal composition containing spinosad and thiocyclam
  • Insecticidal composition containing spinosad and thiocyclam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: Indoor Toxicity Determination of Spinosad and Insecticidal Cylindrical Pair to Rice Leaf Roller

[0015] Pests tested: 3rd instar larvae of rice leaf roller, sensitive strain.

[0016] Test agents: spinosad original drug, insecticide ring original drug; commercially available.

[0017] Test method: Leaf soaking method (reference Xiao Hanxiang et al., Indoor Toxicity Test of Spinosad against Rice Leaf Roller and Field Efficacy Test of Old Larvae). Configure a series of concentration gradient medicines, put fresh tender rice leaves into the medicine solution of each treatment concentration and soak for 30s, take it out and dry it, wrap the lower part of the leaves with soaked absorbent cotton and put them into a culture cup, 8 leaves per cup, insert There were 15 3rd instar larvae of the rice leaf roller, and each concentration was repeated 4 times, a total of 60 larvae. The treated test insects were all placed in an artificial climate chamber at (26±2)°C and...

Embodiment 2

[0021] Embodiment 2 preparation embodiment

[0022] Table 2 33% spinosad · insecticidal ring oil suspension concentrate

[0023]

[0024]

Embodiment 3

[0025] Example 3 Determination of the field efficacy of spinosad and insecticidal ring against the rice leaf roller

[0026] Test method: set 6 drug treatments, 1 blank control, repeat 4 times; arrange randomly. Spray once at the end of rice panicle differentiation, when the 1-2 instar larvae of rice leaf rollers peak. 15 days after spraying, the damage symptoms will be investigated once. 25 clumps were surveyed by the five-point sampling method in each plot, and the total number of leaves and rolled leaves were recorded. According to the total number of leaves and rolled leaves investigated in the treatment area and the control area, the rate of leaf rolling and the control effect were calculated.

[0027]

[0028]

[0029] Table 3 Determination of the field efficacy of spinosad and insecticidal ring against rice leaf roller

[0030]

[0031]

[0032] Result analysis: It can be seen from Table 3 that tea saponin or piperonyl butoxide can significantly improve th...

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Abstract

The invention provides an insecticidal composition containing spinosad and thiocyclam. The mass ratio of spinosad to thiocyclam is (1:20)-(20:1). The composition can be prepared into an oil suspending agent and is used for preventing and treating Cnaphalocrocis medinalis.

Description

technical field [0001] The invention belongs to the field of insecticides, and in particular relates to an insecticidal composition comprising spinosad and insecticidal ring and application thereof. Background technique [0002] Rice leaf roller belongs to Lepidoptera Boreridae. It is one of the three main pests of rice in southern my country. It mainly damages rice leaves with larvae. Yield. Due to the influence of various factors such as different regional farming systems, climate characteristics, and pest migration characteristics, the frequency of this pest's occurrence in rice-growing areas across the country has increased significantly, and its damage has increased. It has become one of the frequent pests affecting rice production. Chemical control has always been the main method to control rice leaf roller. In the past, the control of rice leaf roller mainly relied on old pesticides such as monocrotophos, methamidophos, and monosultap. However, in 2007, the use of met...

Claims

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Application Information

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IPC IPC(8): A01N43/32A01N43/22A01N43/16A01N43/30A01N25/04A01P7/04
CPCA01N43/32A01N43/22A01N43/16A01N43/30A01N25/04Y02A50/30
Inventor 李玉洁李冰清李多才
Owner BENGBU ZHONGTU CHEM
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