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Ecología Aplicada
Print version ISSN 1726-2216
Abstract
RAMIREZ-BULLON, Natali; CERONI-STUVA, Aldo and CASTRO-CEPERO, Viviana. Phenology of four species of cacti at Umarcata hill. Chillón. Lima. Peru. Ecol. apl. [online]. 2014, vol.13, n.2, pp.177-185. ISSN 1726-2216.
Four species of cacti found in the Cerro Umarcata, Chillon River Valley, Canta-Lima arid ecosystem were studied. Phenological patterns for flowering and fruiting were recorded for Espostoa melanostele, Haageocereus pseudomelanostele subsp. aureispinus, Melocactus peruvianus and Neoraimondia arequipensis subsp. roseiflora between October 2006 and September 2007. Eight phenological stages were identified. For flowering, “Wilted Flower” and “Aborted Flower Bud” were the most common phenological stages. For the fruiting phenophase “Mature Fruit” was observed at low frequency during the study. Temperature was positively correlated with the frequency of “Wilted Flower”, “Developing Fruit”, “Mature Fruit” and “Dehiscent Fruit”. Relative Humidity was positively correlated with the “Flowering Bud”, “Open Flower”, “Developing Fruit” and “Immature Fruit”. phenological stages
Keywords : Cactaceae; phenology; phenological stages.