Category: People
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Wood Working for Science
Undergraduate researcher Maggie Marlino at work crafting a rack and columns for experimentation with soilborne inoculum.
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Roy’s Citrus Greening Research
I recently started research focusing on citrus greening and inoculum density. In the left picture, Candidatus Liberibacter asiaticus (CLas), the presumed causal agent of citrus greening, was first detected 6 years ago. The right picture shows a more recent infection first detected in 2020. The damage from a long-term infection is apparent between the two pictures…
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Roy’s Sampling at the Citrus Center
I went to the Citrus Center in Weslaco, Texas, to set up data loggers and collect samples. Data loggers will be used to record soil and canopy temperatures. The data from these loggers will be interesting as they were set in place shortly before Winter Storm Uri, which is likely to have affected citrus trees.
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Manjari’s work with artificial diets
Here is a cool image of a cotton aphid feeding on colored artificial diet — I am excited to use this system to study vectoring mechanisms.
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Manjari’s EPG work
The following figures are from my poster entitled “Comparative electropenetrography of striped mealybug and cotton aphid on cotton,” presented at the 2020 conference of the Entomological Society of America. Preliminary findings on feeding of striped mealybug and cotton aphid on cotton seedlings show characteristic waveform patterns of these two hemipterans.
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Counting Fleahoppers
Manjari and Jensen counting cotton fleahopper nymphs collected daily from woolly croton as a part of a phenology study.
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Roy’s LARS work
Roy’s collaboration with other researchers using unmanned aerial systems led to an application recently published in Agronomy. doi: 10.3390/agronomy10050633 Roy set out to make use of available low-altitude remote sensing data. Available data are often more useful than unavailable data, in practice. Work led us to recognize that data generated through LARS are different from…
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Roy Davis
About Me I am a fourth-year Ph.D. candidate studying at Texas A&M University. I graduated from Campbell University in Buies Creek, NC, in 2015 with a B.S. in Biological Sciences, minoring in Environmental Science. Prior to beginning my graduate career, I worked for Bayer Crop Science in the Soybean Pathology Lab. I am studying the…
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Manjari Mukherjee
I am a first year PhD student at Texas A&M University, having joined the Chappell lab in Spring 2020. I received my Bachelors degree from Institute of Chemical Technology, Mumbai (India), and have completed my Masters in Food Science from The Pennsylvania State University. My primary interests lie in studying vectored plant diseases through the…
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Jensen Hayter
I am a PhD candidate in my third year at Texas A&M University. I have an undergraduate degree in microbiology from Brigham Young University. The central theme of my work is the investigation of how specific abiotic factors, particularly temperature and moisture availability, affect the phenology of key pests and pathogens. Currently, I am working…