Effect-increased bactericide composition, preparation method and application thereof
A technology of fungicide composition and synergist, which is applied in the field of synergistic fungicide composition and its preparation, can solve the restriction of the popularization and application of the biconazole thiram double preparation, the large particle size is difficult to achieve the ideal control effect, and the yield of wheat and quality hazards, to achieve the effects of significantly stimulating growth and increasing production, easy to clean production, and beneficial to bactericidal activity
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experiment example 1
[0033] Experimental example 1. Comparative test with conventional product performance
[0034] The test agent is selected from Example 1, Example 2, Example 3, the synergistic type 60% metconazole double superfine powder prepared by embodiment 4, conventional 60% metconazole wettable powder, conventional 60% metconazole Clotaziram double suspension.
[0035] Table 1 Performance comparison test
[0036]
[0037] As can be seen from Table 1, the ultrafine powder particle diameter D90 obtained by the inventive method is all less than 3 microns, and its particle diameter is not only less than the conventional suspending agent, but also significantly less than the conventional wettable powder 15.6 micron; intuitive performance is in In terms of suspension rate, the suspension rate of the embodiments of the present invention is higher than 98%, which is not only superior to suspension concentrate products, but also significantly higher than other wettable powder formulations. ...
experiment example 2
[0038] Experimental example 2, field efficacy test
[0039] The test agent is selected from Example 1, Example 2, Example 3, the synergistic type 60% metconazole double superfine powder prepared by embodiment 4, conventional 60% metconazole wettable powder, conventional 60% metconazole Clotaziram double suspension.
[0040] The test results are as follows
[0041] Table 2 Control of wheat scab by spraying pesticides at the early stage of wheat flowering.
[0042]
experiment example 3
[0043] Experimental example 3. The above medicaments were applied at the early stage of wheat powdery mildew.
[0044] The test agent is selected from Example 1, Example 2, Example 3, the synergistic type 60% metconazole double superfine powder prepared by embodiment 4, conventional 60% metconazole wettable powder, conventional 60% metconazole Clotaziram double suspension.
[0045] The test results are shown in Table 3:
[0046]
[0047] As can be seen from Table 2 and Table 3, the synergistic type 60% pyraconazole double superfine powder consumption made by the embodiment of the present invention is at 40 grams, and 60 grams have a stable control effect on scab and powdery mildew , is obviously better than the conventional powder and suspension concentrate of this product, and is also better than the preparations added with fast T and azone, especially the long-lasting period reflected in Table 2, which may be the synergist humic acid or its salt The disease resistance...
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