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The viability and germination characteristics of exhumed Solanum mauritianum seeds buried for different periods of time by P. L. Campbell; J. van Staden is a Agricultural and Biological Sciences article available to read on EtoBox.

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The site, depth and duration of burial significantly influenced the viability and state of dormancy of Solarium mauritianum seeds. Burial at a depth of 15cm was most effective in reducing the level of conditional dormancy. Secondary dormancy was not induced at any of the environmental (burial) sites when seeds were maintained at 15 cm, where light and temperature fluctuations were minimal. When buried at 4 cm or maintained on the soil surface secondary dormancy was induced, particularly at the inland sites where environmental conditions such as temperature and moisture were more extreme. Conditional dormancy could generally be overcome by incubating seeds at 15/30 "C in the light, even after prolonged burial at unfavourable germination conditions. Gibberellic acid (500 mg 1-l) was very effective in breaking secondary dormancy of seeds induced by storage under unfavourable conditions after burial. These results have important implications for the control of this week in commercial forests.

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Author

P. L. Campbell; J. van Staden

Publisher

Springer Netherlands; Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC (ISSN 0167-6903)

Published

1994

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)