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- Title
Mode of reproduction of Barbarea vulgaris in two different habitats in Tohoku, Japan.
- Authors
TACHIBANA, MASAAKI; ITOH, KAZUYUKI; WATANABE, HIROAKI; NAKAYAMA, SOICHI
- Abstract
This study was conducted to determine the reproductive characteristics of Barbarea vulgaris under different disturbance regimes (mowing and tilling) in two different habitats: a levee and a wheat field. On the levee, 77 of the 114 individuals that had had their floral stalks removed by the first mowing produced new rosettes at the basal part of the stem during the same growing season. The plants that were mowed four times per year had a significantly greater survival rate than the plants that were mowed twice per year. The levee population that was mowed without tillage was largely maintained by vegetative reproduction. These results suggest that mowing the levees promotes the vegetative reproduction of B. vulgaris and helps it to compete with tall-growing plants, thus facilitating its survival as a perennial. In spite of the high sprouting ability of the plant's root fragments, most of the root fragments did not regenerate when buried or when exposed to high soil moisture conditions in tilled wheat fields. The population of B. vulgaris in tilled wheat fields was maintained almost entirely by sexual reproduction. Barbarea vulgaris can survive under two different management regimes by altering its mode of reproduction.
- Subjects
GARDEN yellowrocket; HABITATS; PLANT growth; PLANT reproduction; SOIL moisture
- Publication
Weed Biology & Management, 2010, Vol 10, Issue 1, p9
- ISSN
1444-6162
- Publication type
Article
- DOI
10.1111/j.1445-6664.2010.00361.x