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PHEROMONE COMMUNICATION IN DIORHABDA ELONGATA: BASIC BIOLOGY AND FUTURE PRACTICAL POTENTIAL The pheromone chemistry and biology of Diorhabda elongata will be reviewed. This species of leaf beetle is an introduced biocontrol agent for the invasive weedy tree, saltcedar. This beetle possesses a male-produced aggregation pheromone that attracts both sexes. It consists of two compounds, (2E...
TAMARIX PARVIFLORA One species of saltcedar (Tamarix parviflora), a small tree introduced into the United States from its native range in the western Mediterranean area of southern Europe and northern Africa, is easily distinguished from the other invading saltcedar species by having 4 petals and stamens, having the f...
Identifying saltcedar with hyperspectral data and support vector machines Saltcedar (Tamarix spp.) are a group of dense phreatophytic shrubs and trees that are invasive to riparian areas throughout the United States. This study determined the feasibility of using hyperspectral data and a support vector machine (SVM) classifier to discriminate saltcedar from other cover t...
Saltcedar Areawide Pest Management in the Western United States Saltcedar (Tamarix spp.) is a group of exotic shrubs to small trees, that have invaded many riparian areas across western North America. Ten species of saltcedars have been introduced into the United States primarily from their countries of origin across Europe and Central Asia. Introduction of salt...
Biological Control of Saltcedar and Giant Reed in the Lower Rio Grande Basin Saltcedar (Tamarix spp.) and giant reed (Arundo donax L.) are exotic invasive weeds along the banks of rivers and reservoirs throughout the western U.S. In the Rio Grande Basin of Texas and Mexico, these weeds compete for water resources that are critical for agricultural and urban users and that s...
Applying broadband spectra to assess biological control of saltcedar in West Texas In Texas, natural resource managers, government officials, and scientists need effective means for monitoring biological control of saltcedar (Tamarix spp.) with the saltcedar leaf beetle
(Diorhadba spp.). This study was conducted to evaluate broadband spectra within visible, red-edge, and near-inf...