INVESTIGADORES
CALCATERRA Luis Alberto
artículos
Título:
Long-term quantification of leaf-cutting ant damage in willow forestations in the lower delta of the Paraná River, Argentina
Autor/es:
JIMÉNEZ, NADIA LIZ; FARJI-BRENER, ALEJANDRO; CALCATERRA, LUIS ALBERTO
Revista:
AGRICULTURAL AND FOREST ENTOMOLOGY
Editorial:
WILEY-BLACKWELL PUBLISHING, INC
Referencias:
Lugar: Londres; Año: 2022
ISSN:
1461-9555
Resumen:
1. Leaf-cutting ants (LCA) are major pests of Neotropics forest plantations. The lower delta of the Paraná River contains the main Argentine Salicaceae production, strongly attacked by Acromyrmex lundii and Acromyrmex ambiguus. Nevertheless, there is no damage quantification in willow plantations attributed to LCA species.2. In an area without LCA control we installed fifteen blocks with eight willow stakes each: four clones x two treatments; with and without LCA exclusions. We used two traditional (Americano, Nigra 4) and two new (Géminis, Yaguareté) commercial clones. During 2014-2018 we measured the foliage damage, height and diameter of each tree.3. Foliage was damaged intensely during the first two years. After 1,537 days, the loss in height and diameter was greater in Americano (70%), followed by Géminis (50-60%), Yaguareté (40-50%) and Nigra 4 (45- 40%). Stake survival with exclusion was greater (>80%) than stakes without exclusion (