Seed Germination as a Metric of Invasive Potential in Winter-Hardy Prunus

Sarah A. Kostick, Emily Hoover, Neil O Anderson, John Tillman, Emily S Tepe

Research output: Contribution to journalArticle

Abstract

Invasive species threaten the survival of native flora through the alteration of the structure and processes of natural communities. After species are introduced to a new location, seed germination is vital for the formation of diverse, self-sustaining populations. In this study we measured seed germination of a selection of winter-hardy Prunus fruit types of apricot, tart cherry, and plum genotypes. This experiment examined seed germination requirements parsed by fruit type, genotype within fruit type, environment, and scarification. Higher germination percentages were observed in the greenhouse compared to the field. Scarification was dependent on genotype within a fruit type and germination environment. From this study we concluded that most genotypes examined will not become invasive due to low and/or inconsistent germination. Apricots had high overall germination whereas tart cherries were lower. The plums had variable germination percentages but progeny from the plum genotypes 'Hazel', 'Whittaker', 'South Dakota', and 'Hennepin' had high germination, indicating the potential to become invasive.

Original languageEnglish (US)
Pages (from-to)146-156
Number of pages11
JournalJournal of the American Pomological Society
Volume72
Issue number3
StatePublished - Jul 1 2018

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Prunus
seed germination
germination
winter
plums
genotype
Prunus cerasus
fruits
apricots
invasive species
flora
greenhouses

Keywords

  • Prunus Americana
  • Prunus Armeniaca
  • Prunus cerasus
  • Prunus domestica
  • Prunus salicina
  • Scarification

Cite this

Seed Germination as a Metric of Invasive Potential in Winter-Hardy Prunus. / Kostick, Sarah A.; Hoover, Emily; Anderson, Neil O; Tillman, John; Tepe, Emily S.

In: Journal of the American Pomological Society, Vol. 72, No. 3, 01.07.2018, p. 146-156.

Research output: Contribution to journalArticle

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