국제종자검정협회(ISTA) 변온조건에서 비탈면 복원용주요 초화류의 발아율 및 발아속도 = Germination Percentage and Speed under International Seed Testing Association Conditions of Main Herbaceous Plants Used on the Slope

다국어 초록 (Multilingual Abstract)

Research was initiated to investigate germination characteristics and germination pattern of 14 herbaceous plant entries used on the road slope during 30 days. An alternative germination condition for 14 herbaceous plant entries required by International Seed Testing Association(ISTA) was applied in the experiment, consisting of 8-hr light at 25℃ and 16-hr dark at 15℃. Significant differences were observed in the first germination rate(0.3%∼40.7%)and in the final germination rate(7.7%∼93.3%).
Days to the first germination(2∼8days), days to the 30% germination(2∼6days) and days to the peak germination(6∼18days) were different among 14 herbaceous plant entries in the study. From this result, we could find out higher final germination rate of 14 herbaceous plant entries in the following order; First, forage crops and cool-season turfgrasses; Second, herbeceous flowers; Third, wild plants.
We could also divide germination rate among 14 herbaceous plant entries as 6 groups(Ⅰ;very high, Ⅱ;high, Ⅲ;medium high, Ⅳ;medium low, Ⅴ;low, Ⅵ;very low) based on the final germination rate and divide germination speed as 5 groups(A;very fast, B;fast, C;normal, D;slow, E;very slow)based on days to the peak germination. Considering germination characteristics and pattern of 14 herbaceous plant entries Medicago sativa, Lolium perenne, Festuca arundinacea and Cosmos sulphureus were regard as dominating species while Lespedeza cuneata, Silene armeria, Lotus corniculatus var.japonicus, Coreopsis tinctoria and Centaurea cyanus as competitive species following dominating species.
However, Chrysanthemum burbankii, Pennisetum alopecuroides, Chrysanthemum boreale., Artemisia princeps var. orientalis and Arundinella hirta were not almost expected to emerge.

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