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Lin Dangen, Zeng Xiansen, Li Ping, Huang Yuqing. Study on the Spatial Distribution Patterns and Sampling Methods of Pseudopygmephorus quadratus Ewing in Mushroom Beds[J]. Fujian Journal of Agricultural Sciences, 1992, 7(2): 69-73.
Citation:
Lin Dangen, Zeng Xiansen, Li Ping, Huang Yuqing. Study on the Spatial Distribution Patterns and Sampling Methods of Pseudopygmephorus quadratus Ewing in Mushroom Beds[J]. Fujian Journal of Agricultural Sciences, 1992, 7(2): 69-73.
Lin Dangen, Zeng Xiansen, Li Ping, Huang Yuqing. Study on the Spatial Distribution Patterns and Sampling Methods of Pseudopygmephorus quadratus Ewing in Mushroom Beds[J]. Fujian Journal of Agricultural Sciences, 1992, 7(2): 69-73.
Citation:
Lin Dangen, Zeng Xiansen, Li Ping, Huang Yuqing. Study on the Spatial Distribution Patterns and Sampling Methods of Pseudopygmephorus quadratus Ewing in Mushroom Beds[J]. Fujian Journal of Agricultural Sciences, 1992, 7(2): 69-73.
The spatial distribution patterns of the nymph, nymphadult, adult mite, P. quadratus Ewing, were tested by means of the Iwao equation m= α+βx and the Taylor equation S2 = axb respectively. The results showed that all the distribution patterns tested belonged to aggregative one. The 3 types of sampling methods: Diagonal, Paralled and Scattering were involved in the experiment. The optimum sampling method was the Diagonal one with 14 sampling points for the mite.
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