A Study on Screening Germplasm Resources of Oolong Tea Plant with Low Pesticide Residue Content
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S571.103.4 TS207.53[机标]

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    Abstract:

    In order to screen germplasm resources of oolong tea plant(Camellia sinensis(L.)O.Kuntze) with low pesticide residue contents,we used 120 tea plant resources in the Oolong Tea Variety Garden of Fujian Wuyishan Tea Research Institute as materials.According to the appearance of tea plant,31 tea plant resources had firstly been screened as candidate.Four pesticides,bifenthrin,fenpropathrin,cypermethrin and buprofezin were sprayed on the 31 cultivars or lines.The tea new shoots were plucked 7d later and their pesticide residue contents were mensurated and analyzed by gas chromatography.The cultivars or lines with low pesticide residue content had been screened 5,4,3 and 7 germplasm resources with low residue contents of bifenthrin,fenpropathrin,cypermethrin and buprofezin,respectively.

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History
  • Received:September 12,2005
  • Revised:December 09,2005
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