Low fruit set in an endangered tree: pollination by exotic bumblebees and pollen resource for relictual native bees
| Autor: | Víctor H. Monzón, Rubén Garrido, Clemens Schlindwein, Juliana Ordones Rego |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
0106 biological sciences
Pollen source Bombus dahlbomii Ecology biology Pollination Endangered species Zoology biology.organism_classification medicine.disease_cause 010603 evolutionary biology 01 natural sciences 010602 entomology Pollinator Insect Science Pollen Bombus terrestris Threatened species medicine Agronomy and Crop Science Ecology Evolution Behavior and Systematics |
| Zdroj: | Arthropod-Plant Interactions. 15:491-501 |
| ISSN: | 1872-8847 1872-8855 |
| DOI: | 10.1007/s11829-021-09841-5 |
| Popis: | Many endangered plants are susceptible to pollination failure due to their rareness. We studied the threatened Chilean tree Legrandia concinna (Myrtaceae) with melittophilous pollen-only flowers and the pollen loads of Manuelia postica and asked: Do bees guarantee fruit set? What is the role of the endangered plant as a pollen source for M. postica? Only bees of the relictual endemic Manuelia postica and introduced Bombus terrestris and honeybees visited the flowers. Overall flower visitation was very low and so was fruit set. Exotic B. terrestris was the only effective pollinator. The small native M. postica scarcely contributed to pollination and mainly used pollen of L. concinna to rear offspring in the resource-poor Nothofagus forest: pollen of 19 flowers was sufficient to feed a single larvae. Reintroduction of trees of L. concinna as a measure of species protection would also benefit the maintenance of native populations of M. postica. We assume that the introduced bumblebees displaced native Bombus dahlbomii as pollinators of this red list tree species. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full text from SpringerLink