Search for dissertations about: "seed dormancy"
Showing result 6 - 10 of 12 swedish dissertations containing the words seed dormancy.
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6. Functional analyses of growth and development in the liverwort Marchantia polymorpha
Abstract : Land plants developed from a freshwater charophycean algae about 500 million years ago. Today, they consist of two main clades, the vascular plants and the non-vascular bryophytes including hornworts, liverworts and mosses. READ MORE
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7. Seed dormancy and germination in Solanum nigrum and S. physalifolium as influenced by temperature conditions
Abstract : .... READ MORE
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8. New insights into growth cessation and dormancy in trees
Abstract : Since trees are sessile they have evolved elaborate mechanisms that anticipate oncoming winter and allow the trees to withstand extreme changes in their environment. Trees need to stop growth and initiate cold hardiness well before cold temperatures become damaging, consequently the timings of growth cessation and dormancy are important adaptive traits for their ability to survive in harsh winter conditions. READ MORE
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9. Gibberellin-like substances in seeds during maturation, germination and dormancy release
Abstract : This study concerns the induced seed germination with a special reference to the activity of gibberellin-like substances in Phaseolus vulgaris L., Zea mays L. and Rosa rugosa L. READ MORE
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10. Within-species variation in grass weeds in Sweden : dormancy, herbicide response, genetic relationships
Abstract : Variation within a weed species enables it to persist through varying conditions and is thus an important component of weediness. In this thesis, intra-specific variation in two agronomically important attributes - herbicide susceptibility and seed dormancy - are studied in Swedish Apera spica-venti (L.) Beauv. and Alopecurus myosuroides Huds. READ MORE