Article
Selection on seedling emergence timing and size in an annual plant, Helianthus annuus (common sunflower, Asteraceae).
American journal of botany - 1 Jun 2011
Mercer Kristin L, Alexander Helen M, Snow Allison A
Abstract excerpt
PREMISE: Variation in seedling emergence timing is considered adaptive over the long term in wild populations, but early emergence can result in a fitness advantage. To explore the adaptive significance of seedling emergence timing, it should be studied under realistic conditions and in the context of other traits that influence fitness. METHODS: In a common garden, we monitored maternal families from seed to...
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