Herbicide composition for sorghum fields

A herbicidal composition and the technology of the composition, which are applied in the field of pesticide herbicidal composition and its application, can solve the problems that quinclorac has not yet been found, and achieve the effects of reducing the amount of pesticide use, reducing the cost of use, and reducing pollution

Active Publication Date: 2015-01-21
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] So far, no reports have been found on the use of quinclorac, clopyrazosulfuron-methyl and atrazine for the control of annual weeds in sorghum fields

Method used

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  • Herbicide composition for sorghum fields
  • Herbicide composition for sorghum fields
  • Herbicide composition for sorghum fields

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 3

[0024] Formulation Example 3: 80% quinclorac·clopyrazosulfuron·atrazine water dispersible granules.

[0025] 25% quinclorac, 15% clopyrazosulfuron, 40% atrazine, 2% sodium lauryl sulfate, 4% sodium dioctyl sulfosuccinate, 3% sodium lignosulfonate, Ammonium sulfate 2%, polyethylene glycol 2%, kaolin supplement 100%. Mix the above-mentioned active ingredients, wetting agent, dispersant, disintegrant, binder and solid carrier evenly, pulverize with an ultra-fine jet mill, knead, and then add to a fluidized bed granulation dryer for granulation and drying and sieving to obtain 80% quinclorac·clopyrazosulfuron·atrazine water dispersible granules.

[0026] Formulation Example 4: 65% quinclorac·clopyrazosulfuron·atrazine wettable powder.

[0027] quinclorac 20%, clopyrazosulfuron 8%, atrazine 37%, alkylphenol polyoxyethylene ether phosphate 10%, p-methoxy fatty amidobenzenesulfonic acid 5%, NNO7%, wood Calcium 4%, diatomaceous earth topping up 100%. Mix the above active ingredien...

Embodiment 1

[0028] Biological Assay Example 1: Indoor Toxicity Assay Test.

[0029] Drugs to be tested: 96% quinclorac original drug, 95% clopyrazosulfuron-methyl original drug and 95% atrazine original drug.

[0030] Targets for testing: Chenopodium glaucum, Echinochloa crusgalli, Cyperus rotundus.

[0031] Drug configuration design: single dose of quinclorac was prepared as 4, 8, 12g a.i. / ha solution for standby; Prepare 6, 12, 18g a.i. / ha solutions for use; quinclorac, clopyrazosulfuron-methyl and atrazine mixtures are prepared as 4+0.3+6, 4+0.3+12, 4+0.3+18, 4+ 0.6+6, 4+0.6+12, 4+0.6+18, 4+0.9+6, 4+0.9+12, 4+0.9+18, 8+0.3+6, 8+0.3+12, 8+0.3+ 18, 8+0.6+6, 8+0.6+12, 8+0.6+18, 8+0.9+6, 8+0.9+12, 8+0.9+18, 12+0.3+6, 12+0.3+12, 12+0.3+18, 12+0.6+6, 12+0.6+12, 12+0.6+18, 12+0.9+6, 12+0.9+12, 12+0.9+18g.a.i. / ha solution for use.

[0032] Test method: Put a certain amount of soil in a plastic pot with a height of 6 cm and a diameter of 9 cm, sow 15 to 20 seeds of the target weed in the pl...

Embodiment 2

[0049] Biological Assay Example 2: Efficacy Test for Controlling Annual Weeds in Sorghum Field.

[0050] The experiment was carried out in Longxing Village, Yile Town, Jiang'an County, Yibin County, Sichuan Province. There were 8 treatments in the test, and 3 repetitions were set up for each treatment. The treatment 1 was 25% quinclorac · clopyrazosulfuron · atrazine dispersible oil suspension concentrate (8:2:15), and the treatment 2 was 25% % quinclorac wettable powder, treatment 3 is 75% clopyrazosulfuron water dispersible granules, treatment 4 is 38% atrazine suspension concentrate, treatment 5 is contrast (does not apply pesticides and does not weed), after 30 The number of weeds in each treatment was counted every day and the control effect was calculated.

[0051]

[0052] Table 4. Field efficacy test results for controlling weeds in sorghum fields.

[0053]

[0054] As can be seen from the field test results in Table 4, the dosage of 25% quinclorac · clopyrazos...

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Abstract

The invention relates to a herbicide composition for sorghum fields. The herbicide composition comprises 1-20wt% of active ingredient A, 1-30wt% of active ingredient B, 1-40wt% of active ingredient C and the balance of pesticide adjuvants, wherein the active ingredient A is quinclorac; the active ingredient B is halosulfuron-methyl; the active ingredient C is atrazine. The herbicide composition is reasonable in components, has synergistic effects, can be used for overcoming the defects of incomplete weed control spectrums or lower activities on certain weeds caused by singly using herbicides and the defect of poorer fast-acting property and reducing the resistance risks caused by using single compounds or binary compounds. The herbicide composition has the advantages that the control effects of the herbicide composition are obviously improved compared with the control effects of single herbicides; the use dosages of the pesticides are reduced, thus reducing the adverse effects of the pesticides on the ecological environment; the herbicide composition is of important significance to comprehensive treatment of weed resistance and has huge economic and social benefits.

Description

technical field [0001] The invention relates to a pesticide herbicide composition and its application field, in particular to a sorghum field herbicide composition. Background technique [0002] Quinclorac has the characteristics of a hormone-type herbicide, and its symptoms are similar to those of auxin substances. The detailed mode of action in plants is still under study. The young leaves of the damaged barnyardgrass were slightly chlorotic, and the leaves appeared longitudinal stripes and bent. After the sandwich barnyardgrass was damaged, the leaves were chlorotic and turned purple-brown to dead. [0003] Clopyrazosulfuron-methyl is a selective sulfonylurea herbicide. After being absorbed by the roots of weeds, it is transferred to the plant body, hindering the synthesis of amino acids. Rapidly inhibits the growth of weed stems and leaves and the extension of roots, and then dies completely. [0004] Atrazine is a selective systemic conduction pre-emergence and post...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/42A01N43/70
Inventor 陈佛祥张志伟王礼文朱刚吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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