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自 1 997年 6月到 2 0 0 0年 9月 ,对中朝俄边境的珲春地区 1 1个乡镇设置 1 35个点进行调查研究 ,其结果表明 :珲春地区有 4种菟丝子存在 ,即日本菟丝子 (CuscutajaponicaChoisy)、南方菟丝子 (C .australisR .Br.)、啤酒花菟丝子 (C .lupuliformisK .)和单柱菟丝子 (C .monogynaWahi) .日本菟丝子在 1 1个乡镇均有分布 ,其寄主植物达 2 3科 44种 ,是本地的优势种 ;南方菟丝子在 7个乡镇分布 ,其寄主有 1 5科 2 5种 ;啤酒花菟丝子在 2个乡镇分布 ,其寄主达 1 8科 56种 ;单柱菟丝子在 2个乡镇分布 ,其寄主植物仅有 2科 4种
From June 1997 to September 2000, a total of 135 locations were set up in 11 towns and townships in the Hunchun area along the border between China and North Korea. The results showed that there were 4 kinds of dodder in Hunchun, namely Japan Cuscuta japonica Choisy, C. australis R. Br., C. lupuliformis K. and C. monogyna Wahi. Japanese dipsters are distributed in 11 townships and their host plants are up to 2 There are 44 families of 3 families, which are the dominant species in the region. Southern dipsters are distributed in 7 townships and their hosts are 15 families and 25 species. Hops are distributed in 2 townships and their hosts are 18 families and 56 species. 2 townships, the host plant only 2 families and 4 species