Distribution, Growth and Control of Marchantia polymorpha L. in Ginseng Gardens
2007
Jin, Chang Hao (Chungnam National University, Daejeon, Republic of Korea) | Pyon, J.Y. (Chungnam National University, Daejeon, Republic of Korea), E-mail: [email protected]
Marchantia polymorpha was occurred in 49 locations among 180 gensing gardens in 5 provinces of Korea. Dry weight of M. polymorpha was highest at 5 year-old ginseng gardens followed by 4 year-old ginseng gardens, but it was not occurred at 2~3 year-old ginseng gardens. Growth of M. polymorpha was the most vigorous at 20/15℃ followed by 25/20℃. The growth was the fastest at 55% shading followed by natural light. Growth of M. polymorpha was the most vigorous at compositon of 75 : 25 and 50 : 50 of organic matter and sandy loam soil. Quinoclamine at 1,800g ai ha-¹, prometryne at 1,500g ai ha-¹, and simetryne at 450g ai ha-¹ were effctive to control M. polymorpha.
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