Evaluation of Miscanthus Cultivars for Fecundity and Potential ...

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Conclusions from models Reductions in seed output will not necessarily result in non-invasive cultivars, particular for long-lived species Demographic modeling can illuminate the invasive potential of different cultivars if you have the data -seed output, seed viability -life history (time to reproduction) Knight, Havens and Vitt, 2011, BioScience 61: 816-822
Evaluation of Miscanthus sinensis cultivars • A long lived perennial grass that forms large clumps (doesn’t run like M. sacchariflorus) • Known to invade in eastern U.S. • Fecundity will need to be zero (or extremely close to zero) in order for the cultivar to be unlikely to invade • Glen Madeja (NU grad student) evaluated 35 cultivars for fecundity in the Chicago region (Madeja et al., 2012, J Env Hort, in press)
Page 1 and 2: Can cultivars of invasive plants be
Page 3 and 4: The “Cultivar Issue” • Cultiv
Page 5 and 6: Japanese Barberry (Berberis thunber
Page 7 and 8: Why the resistance? 35 Cultivars of
Page 9 and 10: Plant invasions and matrix models P
Page 11 and 12: Alliaria petiolata (Garlic mustard)
Page 13 and 14: Population growth rate (λ) Short-l
Page 15 and 16: Scotch Broom (Cytisus scoparius)
Page 17 and 18: Population growth rate (λ) Reducin
Page 19: Population growth rate (λ) Populat
Page 23 and 24: Quantifying seed set • Randomly h
Page 25 and 26: Conclusions • Three ornamental cu

Evaluation of Miscanthus Cultivars for Fecundity and Potential ...

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