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박남일,이인용,박재읍 한국잔디학회 2010 Weed & Turfgrass Science Vol.24 No.1
Several experiments were conducted to investigate the germination characteristics among the Rumex crispus, R. japonicus, R. obtusifolius, and R. nipponicus. The germination point of R. japonicus was started 4 days after application, and then R. obtusifolius (5th), R. crispus (6th), R. nipponicus (10th) with appeared order. The optimum temperatures for germination of all tested Rumex spp. occurred at the 15℃. Especially, R. obtusifolius will have the widest germination range at 10℃~30℃. To compared with 1996 and 2004 year selected R. japonicus germination were did not significantly difference, otherwise, all tested Rumex spp. on dark condition was not germinated. The parameters of germination characteristics of Rumex spp. were investigated mean germination rate (MGR, %), mean germination time (MGT, day), mean germination velocity (MGV, No./day), and coefficient of germination uniformity (CGU). The R. japonicus compared in tested Rumex spp. showed the highest MGR. The MGT and MGV of R. obtusifolius was appeared the earliest compared with R. obtusifolius and R. crispus.