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Germination, seedling performance, and root production after simulated partial seed predation of a threatened Atacama Desert shrub RChHN
Loayza,Andrea P; Gachon,Paloma R; García-Guzmán,Patricio; Carvajal,Danny E; Squeo,Francisco A.
BACKGROUND: Seed loss to predators is a common phenomenon across plant communities and an important determinant of plant recruitment. Although seed predators commonly destroy the entire seed, partial seed consumption has been reported for many species; however, the degree to which seed mass loss affects germination dynamics and survival of new individuals has been poorly documented. We simulated seed damage in natural conditions to examine how different levels of cotyledonary reserve removal affect germination dynamics and seedling performance of Myrcianthes coquimbensis (Myrtaceae), a threatened Atacama Desert shrub. The experiment combined two levels of seed maturity with three levels of seed mass loss. RESULTS: Removal of the cotyledon reserves and seed...
Tipo: Journal article Palavras-chave: Myrcianthes coquimbensis; Partial seed predation; Recalcitrant seed; Tolerance.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2015000100010
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