Does seed weight explain seed vigour differences in seeds from different pod positions on the plant?
The effect of pod position on the plant on seed quality of two soybean (Glycine max (L.) Merrill.) cultivars was examined in two consecutive seasons at the same site in Canterbury, New Zealand. At harvest, plants were separated into three sections (above the 8th node on the main stem, 8th node and below on the main stem, branches), all pods were removed by hand from each of the three sections and then hand shelled. Pod position had no effect on germination in either season, but seed vigour and thousand seed weight (TSW) were greater in both cultivars in seeds from pods at the bottom of the plant in the first season and lower in seeds from pods at the bottom of the plant in the second season. Whether these contrasting seed vigour results for pod position between two seasons can be attributed to TSW is discussed.
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Document Type: Research Article
Publication date: July 1, 2005
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