Abstract
Growth form parameters ofCapsella bursa-pastoris populations, including a wide range of different environments, have been analyzed from random block field and growth chamber experiments. Changes in one character are often correlated with changes in another. Of special interest are correlations detected with the onset of first flowering. Variation in each of the characters is clearly influenced by both phenotypic and genotypic components. However, genotype — environment interactions are also subject to variation. Therefore, the adaptive significance of a given parameter is not found to be constant over the entire geographical range of the genus. Alpine populations tend to shift from annual to biannual life cycles.
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Part of a series “Adaptation in life history traits of colonizing plant species”. Part of a doctoral thesis by the first author. Dedicated to Prof. Dr.Karl Mägdefrau on the occasion of his 80th birthday.
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Neuffer, B., Hurka, H. Variation of growth form parameters inCapsella (Cruciferae). Pl Syst Evol 153, 265–279 (1986). https://doi.org/10.1007/BF00983693
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DOI: https://doi.org/10.1007/BF00983693