The English names of Sicyos angulatus L. are burcucumber, star-burcucumber and seeded-burcucumber. It is a yearly vine native to North America and is naturalized plant widely distributed in Europe, Australia and Asia. In Korea, Sicyos is known to be used for planting cucumbers in Andong in the late ...
The English names of Sicyos angulatus L. are burcucumber, star-burcucumber and seeded-burcucumber. It is a yearly vine native to North America and is naturalized plant widely distributed in Europe, Australia and Asia. In Korea, Sicyos is known to be used for planting cucumbers in Andong in the late 1980s. Recently, it has invaded forests as well as riversides and agricultural lands, causing severe damage to forest trees and disturbing forest ecosystems. Thus, in order to prevent such damage and disturbance, this study was conducted to find out the effective removal method by testing seed germination conditions (light, soil and sowing depth). The light conditions were tested by varying the intensity 0%, 80%, 90% and 100% respectively, and growth traits; plant height, leaf length, leaf width, photochemical reaction efficiency (Fv/Fm), and chlorophyll content; were daily measured. As results, low shading rate reduced stem growth and others growth characteristics, which is effective in suppressing the occurrence of Cisyos. Three treatments were randomly applied to soil experiment; 100% sand as a control, 25%gravel+75% sand, and 100% gravel. The 100% gravel treatment showed a high effect to inhibit the early growth of Cisyos seed. The seedling depth was 5, 10 and 12 cm and the results were not statistically significant.
The English names of Sicyos angulatus L. are burcucumber, star-burcucumber and seeded-burcucumber. It is a yearly vine native to North America and is naturalized plant widely distributed in Europe, Australia and Asia. In Korea, Sicyos is known to be used for planting cucumbers in Andong in the late 1980s. Recently, it has invaded forests as well as riversides and agricultural lands, causing severe damage to forest trees and disturbing forest ecosystems. Thus, in order to prevent such damage and disturbance, this study was conducted to find out the effective removal method by testing seed germination conditions (light, soil and sowing depth). The light conditions were tested by varying the intensity 0%, 80%, 90% and 100% respectively, and growth traits; plant height, leaf length, leaf width, photochemical reaction efficiency (Fv/Fm), and chlorophyll content; were daily measured. As results, low shading rate reduced stem growth and others growth characteristics, which is effective in suppressing the occurrence of Cisyos. Three treatments were randomly applied to soil experiment; 100% sand as a control, 25%gravel+75% sand, and 100% gravel. The 100% gravel treatment showed a high effect to inhibit the early growth of Cisyos seed. The seedling depth was 5, 10 and 12 cm and the results were not statistically significant.
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