A kind of herbicidal composition containing pyraclofen and chlorpyrazosulfuron
A technology of chlorpyrazosulfuron-methyl and herbicidal composition, which is applied in the direction of herbicide, algicide, biocide, animal repellent, etc., to reduce the cost of medication, reduce the dosage, and expand the effect of herbicide spectrum
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Embodiment 1
[0021] Example 1: Determination of the toxicity of metazafen, chlorpyrazosulfuron-methyl and their mixtures on the 4-leaf stage of the scorpion.
[0022] Table 1. Dose-response regression relationship of metazafen, chlorpyrazosulfuron-methyl and their mixtures on the 4-leaf stage of the scorpion.
[0023]
[0024]
[0025] figure 1 The isobologram of the synergistic effect of the mixture of pyraclofen and chlorpyrazosulfuron on the 4-leaf stage of Lily chinensis ( figure 1 The drawing refers to NY / T1155.7-2006, and the drawing data comes from Table 1). figure 1 Middle: A is the dosage of chlorpyrazosulfuron-methyl (unit: g.ai. / ha), B is the dosage of metazafen (unit: g.ai. / ha), C is the measured isobolism, D is the theory equivalent line.
[0026] Depend on figure 1 It is known that pyrazafen and chlorpyrazosulfuron-methyl are 20:1, 15:1, 10:1, 5:1, 1:1, 1:5, 1:10, 1:15, 1:20 in pigs The equivalence points of Xingjiao are all below the theoretical equivalence line, ...
Embodiment 2
[0027] Example 2: Toxicity determination of metazafen, chlorpyrazosulfuron-methyl and their mixture on shepherd's purse at the 4-leaf stage.
[0028] Table 2. Dose-response regression relationship of metazafen, chlorpyrazosulfuron-methyl and their mixture on shepherd's purse at 4-leaf stage.
[0029]
[0030]
[0031] figure 2 The isobologram of the synergistic effect of the mixture of pyraclofen and chlorpyrazosulfuron on shepherd's purse at the 4-leaf stage ( figure 2 The drawing refers to NY / T1155.7-2006, and the drawing data comes from Table 2), figure 2 Middle: A is the dosage of chlorpyrazosulfuron-methyl (unit: g.ai. / ha), B is the dosage of metazafen (unit: g.ai. / ha), C is the measured isobolism, D is the theory equivalent line.
[0032] Depend on figure 2 Know that pyrachlor-fen and chlorpyrazosulfuron are compared to shepherd's purse according to the ratio of 20:1, 15:1, 10:1, 5:1, 1:1, 1:5, 1:10, 1:15, 1:20 The equivalence points are all below the theo...
Embodiment 3
[0033] Example 3: (80% chlorpyrazosulfuron-pyrazafen water-dispersible granules)
[0034]
[0035]
[0036] Put the above materials together into the conical mixer and mix evenly, and then pulverize through the jet mill, and then mix the pulverized materials through the conical mixer. Knead into a plastic material, and finally put the material into an extrusion granulator to extrude and granulate. After granulation, dry and sieve to obtain 80% chlorpyrazosulfuron-pyrazafen water-dispersible granules.
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