Herbicidal composition containing dithiopyr and picloram and application thereof

A herbicidal composition and a technology for dithiopyr, which are applied in the field of pesticides, can solve the problems of inability to completely and effectively control lawn weeds, residual poisoning of surrounding flowers, and high water solubility of herbicides, achieve excellent pre-emergence weeding effects, avoid The effect of producing drug damage and improving drug efficacy

Active Publication Date: 2013-09-18
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, picloram is ineffective against gramineous weeds, and its herbicidal spectrum is limited.
[0007] At present, lawn herbicides are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of lawn weeds. Long growth, excessive dosage or uneven application will easily cause residual toxicity to surrounding flowers and crops or subsequent flowers

Method used

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  • Herbicidal composition containing dithiopyr and picloram and application thereof
  • Herbicidal composition containing dithiopyr and picloram and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Picloram 15%, dithiopyr 15%, sodium lignin sulfonate 7%, NNO (sodium methylenebisturide sulfonate) 4%, thickener 2%, water to make up 100%, according to the conventional preparation method It is prepared as a suspending agent with a total mass percentage of active ingredients of 30%.

Embodiment 2

[0021] 10% of picloram, 15% of dithiopyr, 3% of calcium dodecylbenzenesulfonate, 4% of alkylphenol polyoxyethylene ether, 100% of solvent oil is added, and the total mass of active ingredients is prepared according to the conventional preparation method The percentage content is 25% emulsifiable concentrate.

Embodiment 3

[0023] 50% picloram, 25% dithiopyr, 7% sodium lignosulfonate, 5% sodium dodecylbenzenesulfonate, 5% ammonium sulfate, 100% diatomaceous earth, prepared according to the conventional preparation method A water-dispersible granule with a total mass percentage of active ingredients of 75%.

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Abstract

The invention belongs to the field of pesticides and discloses a herbicidal composition containing dithiopyr and picloram and application thereof. The herbicide takes dithiopyr and picloram as the main active ingredients, wherein the mass ratio of dithiopyr to picloram is (1-65):(1-80) and dithiopyr and picloram account for 10-85% of the herbicidal composition by mass. The herbicidal composition can be applied to preparing the herbicides for controlling postemergence weeds on the lawns and has obvious effect on preparing the herbicides for controlling the preemergence weeds on the built and planted lawns, especially the herbicides for controlling tall fescue and Kentucky bluegrass lawns. Compared with the single agent, the herbicidal composition delays weed resistance, has wide herbicidal spectrum and long efficacy duration and does no harm to the lawns and the aftercrops on the premise of improving the drug effect.

Description

technical field [0001] The invention belongs to the field of pesticides and relates to a herbicidal composition, in particular to a herbicidal composition containing thiopyr and picloram and an application thereof. Background technique [0002] At present, a problem that cannot be ignored in lawn construction is emphasizing planting and neglecting cultivation, especially the harm of weeds is becoming more and more serious, which makes the lawn beyond recognition. The harm of lawn weeds to the lawn is not only to compete with the lawn for glory, fertilizer and space, but also to dilute the effect of the lawn and reduce the aesthetic value of the lawn. The damaged turf plants are slender and fragile, with reduced resistance to cold, drought, and trampling, which makes the lawn easy to degrade and die, and even cause grass shortage. Therefore, weed control is the key in lawn planting. [0003] The weeds that harm the lawn are nothing more than the following three categories: ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/40A01P13/00
Inventor 郭崇友魏平张宝俊张兰萍杭荣华
Owner NANJING HUAZHOU PHARMA
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