By: Ma Jinshi;Cheng Hao;Zhang Yi;Yan Fang
Photoactivated pesticides have many advantages compared with traditional
pesticides. They are cheap , effective and environmentally safe. The most
important components of photoactivated pesticides are photosensitizers. With the
illumination and the presence of oxygen the photo sensitizers acton various
biochemical components and cause toxic reaction inpests. The efficiency of photo
sensitizers depends on the quantum yield of singlet oxygen which acts on the
target substrate and oxidizes it. The resistance may be slow to develop due to
the expected multiplicity of biological targets in the cell. The photosensitizer
is a catalyst, not a participant and the excess part is photodecomposable. The
photoactivated pesticides have great potential in promoting the
development of agriculture.Yangzhou pioneer chemical CO.,LTD
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