Anthesis and seed production in Zostera marina L. (eelgrass) from the Chesapeake Bay. Silberhorn, G. M., Orth, R. J., & Moore, K. A. Aquatic Botany, 1983. doi abstract bibtex Anthesis and seed production in Zostera marina L. were studied in three areas of the Chesapeake Bay from January to June 1980. Inflorescence primordia with distinguishable anthers and pistils were first observed in February when water temperature was 3°C. Development of the reproductive shoots in the field continued after February as water temperature rose, with the first evidence of pollen release in mid-April (water temperature 14.3°C). Stigmata loss was first observed in samples taken in late April at all locations by as water temperatures averaged above 16°C. Pollination was complete at all locations by 19 May and anthers were no longer present. Few reproduction shoots were found on 3-5 June and seed release was assumed to be complete by this time (water temperature 25°C). The density of flowering shoots ranged from 11 to 19% of the total number of shoots, producing an estimated 8127 seeds m-2. Comparison of flowering events with other areas along a latitudinal gradient from North Carolina to Canada indicated that reproductive events occurred earlier in the most southern locations and at successively later dates with increasing latitude. © 1983.
@article{silberhorn_anthesis_1983,
title = {Anthesis and seed production in {Zostera} marina {L}. (eelgrass) from the {Chesapeake} {Bay}},
doi = {10.1016/0304-3770(83)90024-4},
abstract = {Anthesis and seed production in Zostera marina L. were studied in three areas of the Chesapeake Bay from January to June 1980. Inflorescence primordia with distinguishable anthers and pistils were first observed in February when water temperature was 3°C. Development of the reproductive shoots in the field continued after February as water temperature rose, with the first evidence of pollen release in mid-April (water temperature 14.3°C). Stigmata loss was first observed in samples taken in late April at all locations by as water temperatures averaged above 16°C. Pollination was complete at all locations by 19 May and anthers were no longer present. Few reproduction shoots were found on 3-5 June and seed release was assumed to be complete by this time (water temperature 25°C). The density of flowering shoots ranged from 11 to 19\% of the total number of shoots, producing an estimated 8127 seeds m-2. Comparison of flowering events with other areas along a latitudinal gradient from North Carolina to Canada indicated that reproductive events occurred earlier in the most southern locations and at successively later dates with increasing latitude. © 1983.},
journal = {Aquatic Botany},
author = {Silberhorn, G. M. and Orth, R. J. and Moore, K. A.},
year = {1983},
keywords = {Reproductive Biology, Systematics, and Molecular Genetics},
}
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