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Compound insecticidal composition containing flonicamid and metolcarb, and application thereof

A technology containing flonicamid and an insecticidal composition, which is applied in the field of pesticides, can solve the problems that no flonicamid insecticidal composition has been found, and the decline in pest control, so as to overcome insect resistance, fast insecticidal speed, The effect of expanding the control spectrum

Inactive Publication Date: 2013-04-24
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, rice planthoppers and aphids have gradually increased their resistance under the current long-term use of pesticides, and the effect of single-dose pesticides on pest control has gradually declined.
The inventor found through research that the synergistic compounding of pesticides is an effective measure to expand the control spectrum and improve the control effect. So far, no insecticidal composition related to flonicamid and medicarb has been found.

Method used

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  • Compound insecticidal composition containing flonicamid and metolcarb, and application thereof
  • Compound insecticidal composition containing flonicamid and metolcarb, and application thereof
  • Compound insecticidal composition containing flonicamid and metolcarb, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weigh flonicamid and medicarb and prepare flonicamid-medicarb emulsifiable concentrate with a main active ingredient weight percentage of 30% by conventional preparation method in different proportions. See Tables 1 and 2 for specific ratios.

[0023] Indoor synergistic bioassay was carried out by rice stem dipping method, the resistant rice planthopper was selected as the target pest, each treatment was repeated 3 times, and 60 heads were treated at each concentration, and the toxicological regression of each pesticide resistant rice planthopper was calculated by the probability value method Equation and lethal concentration LC 50 , with LC 50 The co-toxicity coefficient was calculated according to Sun Yunpei method, and the results are shown in Table 1:

[0024] Table 1 Toxicity determination of flonicamid and amecarb compound and single dose resistant rice planthopper

[0025]

[0026] It can be seen from Table 1 that the co-toxicity coefficients of the compoun...

Embodiment 2

[0032] Weigh 5g flonicamid, 50g memocarb, 3g phenethylphenol polyoxyethylene ether phosphate, agricultural milk 33 # 2g, emulsifier 600#1g, vegetable oil 13g, add water to 100g. Put the above raw materials into a mixing tank according to the conventional method for preparing water emulsion, and mix at high speed to form a flonicamid-medicarb water emulsion with a main active ingredient weight percentage of 55%.

Embodiment 3

[0034] Weigh 2g of flonicamid, 18g of memocarb, 6g of calcium dodecylbenzenesulfonate, 3g of phenylethylphenol polyoxyethylene ether phosphate, 33g of agricultural milk # 2g, emulsifier 600#1g, isopropanol 10g, add water to 100g. Put the above raw materials into a mixing tank according to the conventional method for preparing microemulsions, and mix them to form a flonicamid-memecarb microemulsion with a main active ingredient of 20% by weight.

[0035] Example 3 is carried out to prevent and control rice brown planthopper drug effect test, contrast agent is 20% Memocarb EC (emulsifiable concentrate) and 20% flonicamid EW (water emulsion), dilutes according to the dilution factor in table 3, check after medicine The results of 3 days and 7 days, the processing results are shown in Table 3:

[0036] Table 3: Field test results of flonicamid-metacarb compound against rice brown planthopper

[0037]

[0038] (Note: The water consumption per mu is 30kg)

[0039] The results ...

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Abstract

The invention discloses a compound insecticidal composition containing flonicamid and metolcarb, and an application thereof. The synergistic insecticidal composition employs flonicamid and metolcarb as main effective components, wherein a weight ratio of flonicamid to metolcarb is 0.1-80 : 0.5-80. The insecticidal composition can produce a relatively high synergistic interaction effect, overcomes or delays pest resistance, has fast insecticidal speed and long efficacy duration, reduces pesticide cost and has a prevention effect obviously higher than that of a single dosage. The insecticidal composition can be used for preventing homoptera pests generated on crops, and is particularly suitable for preventing rice hopper and aphid, with an effect obviously higher than that of the single dosage.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a compound insecticidal composition containing flonicamid and medicarb and its application. Background technique [0002] Flunicamid (flonicamid, flunicotamid), chemical name: N-cyanomethyl. (trifluoromethyl) nicotinamide. [0003] Flunicamid is a low-toxicity insecticide. This agent is effective against various piercing-sucking mouthparts pests, and has good penetration. It can penetrate from roots to stems and leaves, but the penetration from leaves to stems and roots is relatively weak. [0004] The agent works by hindering the sucking action of pests. The pests stop sucking soon after ingesting the potion, and finally die of starvation. [0005] According to the analysis of electronic insect sucking behavior (EMIII), this agent can prevent the stylet tissues of sucking pests such as aphids from inserting into plant tissues and cause effect. 10% water dispersible gra...

Claims

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Application Information

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IPC IPC(8): A01N47/22A01N43/40A01P7/04
Inventor 齐武邢平王红明陈凤王俊东
Owner NANJING HUAZHOU PHARMA
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