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Weeding composition containing bensulfuron methyl, butachlor and clomazone

A herbicidal composition, clomazone technology, applied in the direction of herbicide, algicide, biocide, animal repellent, etc., can solve the problem of no compound use of bensulfuron-methyl clomazone

Active Publication Date: 2021-05-07
BENGBU ZHONGTU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Preliminary research found that there is no relevant report on the compound use of bensulfuron-methyl, butachlor and clomazone in the prior art

Method used

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  • Weeding composition containing bensulfuron methyl, butachlor and clomazone
  • Weeding composition containing bensulfuron methyl, butachlor and clomazone
  • Weeding composition containing bensulfuron methyl, butachlor and clomazone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: Indoor bioassay of compound medicament on barnyardgrass

[0015] Weeds tested: barnyardgrass.

[0016] Test method: use the greenhouse pot method. The soil used for the test is the soil specially used for the test, and no chemicals are applied to the soil plots collected. Put the special soil for the test into the flower pot; place the flower pot in a pot filled with water, and keep the soil moist by using the bottom of the pot to irrigate. 35 barnyardgrass seeds were sown in flowerpots, covered with soil 0.5cm after sowing, soil spraying was carried out 24 hours after sowing, and each treatment was repeated 4 times. After treatment, they were placed in the greenhouse for normal management, and the growth of barnyardgrass was observed regularly. After 30 days, the fresh weight of the barnyard grass above ground was weighed, and the fresh weight inhibition rate was calculated. The combined action of the herbicidal compositions was evaluated using the Gowing...

Embodiment 2

[0022] Embodiment 2: Composite medicament is to indoor determination

[0023] Weeds to be tested: Cottonia chinensis; Test method: Reference Example 1.

[0024] Result analysis:

[0025] Table 2 The results of indoor determination of compound medicaments on Herba chinensis

[0026]

[0027]

[0028] It can be known from Table 2 that the compound composition of bensulfuron-methyl, butachlor and clomazone exhibited different joint effects on D. When the mass ratio of bensulfuron-methyl, butachlor and clomazone is 0.1:5:10, 0.5:5:5, 0.5:15:10, 1.0:15:5, 1.0:30:10, 1.0 :5:20, when showing synergistic effect, all the other ratios show additive effect, especially, when the mass ratio of bensulfuron-methyl, butachlor and clomazone is 0.1:15:20, 0.1: At 30:5 and 0.5:30:20, E-E0 is above 9.0, which can also effectively reduce the dosage of active ingredients and slow down the emergence of drug resistance.

Embodiment 3

[0030] 42% Bensulfuron-methyl-butachlor-clomazone water-dispersible granules

[0031] Bensulfuron-methyl 2%, butachlor 30%, clomazone 10%, polycarboxylate 6%, calcium lignosulfonate 8%, urea 3%, xanthan gum 2%, carboxymethyl cellulose Sodium 1%, silica 2%, kaolin make up 100%.

[0032] 26% bensulfuron-methyl-butachlor-clomazone wettable powder

[0033] Bensulfuron-methyl 1%, butachlor 5%, clomazone 20%, sodium dodecylbenzene sulfonate 5%, polycarboxylate 4%, calcium lignosulfonate 4%, white carbon black 2 %, bentonite makes up 100%.

[0034] 10.5% Bensulfuron-methyl-butachlor-clomazone EC

[0035] Bensulfuron-methyl 0.5%, butachlor 5%, clomazone 5%, castor oil polyoxyethylene ether 5%, Nongru 500 5%, Nongru 1601 10%, and methyl oleate make up 100%.

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Abstract

The invention provides a weeding composition containing bensulfuron methyl, butachlor and clomazone, the active ingredients of the weeding composition comprise bensulfuron methyl, butachlor and clomazone, and the mass ratio of bensulfuron methyl to butachlor to clomazone is (1-10):(1-30):(1-20). The weeding composition disclosed by the invention can be used for preventing and removing annual weeds in paddy fields and has a remarkable synergistic effect.

Description

technical field [0001] The invention belongs to the field of herbicides, and in particular relates to a herbicidal composition comprising bensulfuron-methyl, butachlor and clomazone and an application thereof. Background technique [0002] Bensulfuron-methyl belongs to the systemic selective herbicides of sulfonylureas, which can control three-edge grass, bermudagrass, Alisma, dwarf sagittarius, knotweed, cow felt, eye vegetable, four-leaf clover, and syringa Annual broad-leaved weeds and sedge weeds such as grass, donkey grass, water onion, glutinous rice grass, water cabbage, etc. [0003] Butachlor is an amide selective pre-emergence herbicide, which is mainly absorbed by weed sprouts and young secondary roots, inhibits protein synthesis in the body, causes weed young plants to swell, deform, and eventually leads to death, and can effectively prevent transplanting A variety of annual weeds in rice fields. [0004] Clomazone is a high-efficiency selective pre-emergence h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/80A01N37/26A01P13/00
CPCA01N47/36A01N43/80A01N37/26
Inventor 李玉洁李冰清李多才
Owner BENGBU ZHONGTU CHEM