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WANG Wenzhong, KONG Jian, ZENG Xinnian, LI Puchao. Characters of Pine Oleoresin-Based Plant Oils as Solvents for Pesticide Formulation[J]. Journal of South China Agricultural University, 2013, 34(1): 32-36. DOI: 10.7671/j.issn.1001-411X.2013.01.007
Citation: WANG Wenzhong, KONG Jian, ZENG Xinnian, LI Puchao. Characters of Pine Oleoresin-Based Plant Oils as Solvents for Pesticide Formulation[J]. Journal of South China Agricultural University, 2013, 34(1): 32-36. DOI: 10.7671/j.issn.1001-411X.2013.01.007
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Characters of Pine Oleoresin-Based Plant Oils as Solvents for Pesticide Formulation

  • 1 Key Laboratory of Natural Pesticide and Chemical Biology of the Ministry of Education, South China Agricultural University,2 Institute of Shenzhen Noposion Agrochemicals Co., Ltd.,

  • 2 Institute of Shenzhen Noposion Agrochemicals Co., Ltd.,

  • 1 Key Laboratory of Natural Pesticide and Chemical Biology of the Ministry of Education, South China Agricultural University,

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  • Received Date: February 20, 2012
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  • The flash point, volatility, pesticide solubility and stability of the pine oleoresin-based plant oils were measured for the purpose of development of natural alternatives of aromatic solvents in pesticide formulation. The results showed that the flash points of the 4 types of pine oleoresin-based plant oils were all above 35 ℃, which were obviously higher than that of the control solvent xylene. Under test temperature of 25 ℃, the volatility of the pine oleoresin-based plant oils for 8 h were less than 45.9%, with 2.1% of the least volatility of ND-100, whereas the volatility of xylene was 100%. The solubility of pine oleoresin-based plant oil ND-60 against the technical materials of 47 pesticides showed that 6 pesticides (12.8%), namely emamectin benzoate，fenbutatin-oxide, flusilazole, tebuconazole, lambda-cyhalothrin and azocyclotin, had remarkablely higher solubility than that in the control solvent of xylene, while 15 pesticides (31.9%）, including spinosad and methidathion, were relatively less soluble in comparison with that in xylene. Measurements of the qualities of 42 emulsifiable concentrate preparations indicated that 30 preparations (71.4%)，especially the preparations of deltamethrin, lambda-cyhalothrin and chlorpyrifos, exhibited qualified compatibility and stability in ND-60. These results suggested a positive potential of pine oleoresin-based plant oils as natural alternatives of aromatic solvents in the application of pesticide formulation.
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