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Terthiophene is the organic compound with the formula [C₄H₃S]₂C₄H₂S. It is an oligomer of the heterocycle thiophene, a shorter oligomer is dithienyl, and the parent polymer is polythiophene. In the most common isomer of terthiophene, two thienyl groups are connected via their 2 positions to a central thiophene, also at the carbon atoms flanking the sulfur.
An efficacy composition for preventing and treating tobacco root-knot nematode, a fertilizer synergist and application thereof
The present application relates to a kind of efficacy composition for preventing and treating tobacco root-knot nematode, fertilizer synergist and its application, the efficacy composition includes α-triphenyl and slightly fermented fertilizer;The slightly fermented fertilizer is respectively with the stem of continuation of stem, the stem of three-leaf bidens and the stem of dandelion as raw material, after cooking treatment, steam explosion treatment, microbial fermentation liquid soaking treatment, fermentation treatment, dry after the three kinds of fermentation products obtained by mixing are obtained.The slightly fermented fertilizer prepared by using specific preparation process can significantly improve the killing efficiency of α-triphenyl on root-knot nematode, and the combination of α-triphenyl and α-triphenyl can synergize, so that the killing effect of α-triphenyl on root-knot nematode is still very good at low use concentration, and the mortality of root-knot nematode is as high as 90%.
Owner:CHINA TOBACCO GUANGXI IND