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  • Title: [Pollen dispersion of Cryptomeria japonica and Cupressaceae in Ito city during 10 years].
    Author: Fujii M, Okazaki K, Makiyama K, Hisamatsu K.
    Journal: Arerugi; 2012 Jan; 61(1):51-62. PubMed ID: 22398428.
    Abstract:
    BACKGROUND: For a period of 10 years, ending in 2010, the authors investigated atmospheric pollen dispersion of Cryptomeria japonica and Cupressaceae in Ito City. We expect this investigation useful in treating patients with pollen allergy. METHODS: We set up a Durham sampler on a rooftop of the three-story building in Ito City and counted atmospheric pollen day by day. The results and the local weather conditions were treated statistically on the computer program Microsoft Excel. RESULTS: During the 10 years, in average, initial pollen was observed at January 3; pollen began to release was observed at February 6; final pollen was observed at May 12. The spring seasonal total pollen counts was 5683 grain/cm2. This pollen counts and the previous early winter seasonal pollen counts were correlated statistically. The pollen counts were related with the local weather conditions significantly. CONCLUSION: The investigations of the atmospheric pollen dispersion of Cryptomeria japonica and Cupressaceae and the weather conditions in the local area are useful to treat patients with the pollen allergy.
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