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Molecular Identification Of Oomycete Species Associated With Woody Plants In Louisiana And Survey Of Oomycete Species Associated With Live Oak Trees Planted On The Louisiana State University Campus, Hamilton Crockett
LSU Master's Theses
Three Oomycetes genera, Phytophthora, Phytopythium and Pythium, contain many important plant pathogens. Historically, Phytophthora infestans, responsible for the great Irish potato famine, and Phytophthora ramorum, causal agent of sudden oak death disease, are the two better-known high impact pathogens. The LSU AgCenter Plant Diagnostic Center (PDC) has been isolating putative Phytophthora and related species from combined root and soil samples collected from various woody ornamentals and trees for over a decade. In August of 2016, Louisiana received torrential rains, which resulted in historic flooding in several southern parishes. During subsequent years, the PDC staff isolated a …
Exhibition "Louisiana's Natural Treasure: Margaret Stones, Botanical Artist", Leah Wood Jewett, John D. Miles, Christina Riquelmy
Exhibition "Louisiana's Natural Treasure: Margaret Stones, Botanical Artist", Leah Wood Jewett, John D. Miles, Christina Riquelmy
Special Collections
In 2020, LSU Libraries Special Collections presented the exhibition “Louisiana’s Natural Treasure: Margaret Stones, Botanical Artist” at Hill Memorial Library, featuring selected original watercolor paintings and archival materials related to the Native Flora of Louisiana project.
A native of Australia, Margaret Stones (1920-2018) achieved an acclaimed international career that spanned three continents. Commissioned by LSU and funded by private donations, more than 200 watercolor drawings of Louisiana plants produced by Stones during the 1970s and 1980s are among the most treasured holdings of LSU Libraries Special Collections.
The Native Flora of Louisiana project was grounded in a long historical tradition …
Exploring Alternative Giant Salvinia (Salvinia Molesta D.S. Mitchell) Management Strategies, Bradley T. Sartain
Exploring Alternative Giant Salvinia (Salvinia Molesta D.S. Mitchell) Management Strategies, Bradley T. Sartain
LSU Doctoral Dissertations
Dense infestations of the free-floating aquatic fern giant salvinia (Salvinia molesta D.S. Mitchell) have been expanding across the southeastern United States for over two decades. Although herbicide programs have provided relief to giant salvinia infested areas, morphology and growth characteristics make management difficult. A series of mesocosm trials were conducted to explore alternative management strategies for giant salvinia. Evaluation of non-registered aquatic herbicides showed that rates of sulfometuron and metsulfuron controlled giant salvinia and provided a 98 to 100% biomass reduction. An outdoor mesocosm trial evaluated potential glyphosate resistance in giant salvinia in select water bodies throughout Louisiana. Differences …
Effects Of Iron On Cercospora Leaf Blight Of Soybean, Eduardo Chagas Ferreira Da Silva
Effects Of Iron On Cercospora Leaf Blight Of Soybean, Eduardo Chagas Ferreira Da Silva
LSU Master's Theses
Cercospora leaf blight (CLB) of soybean caused by Cercospora kikuchii is an important disease in Lousiana. Preliminary screening of foliar applications of the micronutrients Fe, Mn, Cu, Zn, B, Mo and Al, showed that Fe decreased CLB severity consistently. The objective of this work was to test the effects of commercial formulations of Fe, Manny Plex Fe and Fe EDTA (Brandt Consolidated, Springfield, IL) on leaf colonization by C. kikuchii, symptom development (blight and purple leaves), and yield. Four rates of Manny Plex Fe and four rates of Fe EDTA were applied to field plots at R5 growth stage. Leaf …