Impact of the biological control agentTetramesa romana(Hymenoptera: Eurytomidae) onArundo donax(Poaceae: Arundinoideae) along the Rio Grande River in Texas
| Autor: | Kenneth R. Summy, Maricela Martinez Jimenez, Alexis Racelis, John A. Goolsby, Alan A. Kirk, Patrick J. Moran, Adalberto A. Pérez de León, Ronald D. Lacewell |
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| Rok vydání: | 2015 |
| Předmět: |
0106 biological sciences
Biomass (ecology) geography geography.geographical_feature_category biology Gall wasp Arundo donax Arundo biology.organism_classification 010603 evolutionary biology 01 natural sciences Eurytomidae 010602 entomology Agronomy Insect Science Botany Arundinoideae Weed Agronomy and Crop Science Riparian zone |
| Zdroj: | Biocontrol Science and Technology. 26:47-60 |
| ISSN: | 1360-0478 0958-3157 |
| DOI: | 10.1080/09583157.2015.1074980 |
| Popis: | Five years post-release of the arundo gall wasp, Tetramesa romana, into the riparian habitats of the lower Rio Grande River, changes in the health of the invasive weed, Arundo donax, or giant reed, have been documented. These changes in plant attributes are fairly consistent along the study area of 558 river miles between Del Rio and Brownsville, TX, and support the hypothesis that the arundo wasp has had a significant impact as a biological control agent. Plant attributes were measured prior to release in 10 quadrats at each of 10 field sites in 2007, and measured again at the same undisturbed sites, 5 years after the release of T. romana, in 2014. Above ground biomass of A. donax decreased on average by 22% across the 10 sites. This decline in biomass was negatively correlated to increased total numbers of T. romana exit holes in main and lateral shoots per site in 2014 compared to 2007. Changes in biomass, live shoot density and shoot lengths, especially the positive effect of galling on main a... |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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