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cje ›› 1999, Vol. ›› Issue (2): 10-12,29.

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Study on Growth Characteristics of A Winter Host(Plagiomnium maximoviczii)of Horned Gall Aphid(Schlechtendalia chinensis)

Qiu Mingsheng1, Zhao Zhimo2   

  1. 1. Chongqing Plant Protection Station, Chongqing 400020;
    2. Department of Plant Protection, Southwest Agricultural University, Chongqing 400716
  • Received:1996-08-28 Revised:1996-12-05 Online:1999-04-10

Abstract: This paper presented the growth dynamics of Plagiomnium maximoviczii, which is the most suitable winter host moss of horned gall aphid, Schlechtendalia chinensis(Bell). The research results showed that the growth rate of P. maximoviczii varied with the environmental conditions. The mean temperature, relative humidity(RH)and precipitation of per 10-days are the main ecological factors affecting the growth rate of this moss.Compared with the tender branches, the older moss branches have more germination, although there is not significant difference in growth rate between them.

Key words: irrigation quota, orchard soil, moisture and salt redistribution, zero flux plane, water-soluble Na+ storage.