2025 Volume 51 Issue 1 Pages 37-42
We investigated the effect of non-selective weeding on the growth and flowering of the evergreen perennial Liriope platyphylla during weeding in a secondary forest. Four conditions were assessed in this mowing experiment: mowing twice a year in summer and winter, once a year in summer, once a year in winter, and no mowing (control). Number of surviving above-ground individual, leaves, and flowers were counted for 10 individual plants for each condition. The above-ground individuals of L. platyphylla did not decrease, and in contrast, the number of leaves increased under no mowing condition. L. platyphylla faced difficulty growing and disappeared when mowed twice a year. When mowed once a year, the number of leaves per plant was limited to approximately 10, and the number of flowers decreased considerably. These results indicate that selective weeding is necessary to maintain the population and increase flowering of L. platyphylla.
