Robin A. Choudhury
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View article: Growth inhibition in co-cultivation of <i>Cyclocybe aegerita</i> and <i>Hericium erinaceus</i> mushrooms
Growth inhibition in co-cultivation of <i>Cyclocybe aegerita</i> and <i>Hericium erinaceus</i> mushrooms Open
Mushroom production relies heavily on compost and other substrates to grow and maintain fungal cultures. Large scale production of mushrooms can be achieved in specialized trays and grow rooms, however small-scale production of specialty m…
View article: Integrated analysis of land use changes, ecosystem service valuation, and carbon sequestration in the Dimbhe Watershed (2002–2022)
Integrated analysis of land use changes, ecosystem service valuation, and carbon sequestration in the Dimbhe Watershed (2002–2022) Open
This study aims to evaluate changes in ecosystem service values (ESVs) and carbon stock in the Dimbhe watershed (2002–2022) using the benefit transfer method, considering land use dynamics and economic variability. LULC classification was …
View article: Efficacy of Lactobacillus rhamnosus and Its Metabolites to Mitigate the Risk of Foodborne Pathogens in Hydroponic Nutrient Solution
Efficacy of Lactobacillus rhamnosus and Its Metabolites to Mitigate the Risk of Foodborne Pathogens in Hydroponic Nutrient Solution Open
Hydroponic nutrient solution (HNS) has been established as an ideal conduit for pathogen contamination and proliferation. This study evaluated the efficacy of lactic acid bacteria and their metabolites in mitigating the risk of foodborne p…
View article: Red harvester ants Pogonomyrmex barbatus (Smith, 1858) (Hymenoptera: Formicidae) do not distinguish between sorghum head mold symptomatic and asymptomatic seeds
Red harvester ants Pogonomyrmex barbatus (Smith, 1858) (Hymenoptera: Formicidae) do not distinguish between sorghum head mold symptomatic and asymptomatic seeds Open
Red harvester ants, Pogonomyrmex barbatus (Smith, 1858) (Hymenoptera: Formicidae), common in the Lower Rio Grande Valley of Texas, are known to gather seeds from areas around their nests and store the seeds inside their nests for later con…
View article: Red harvester ants (<i>Pogonomyrmex barbatus</i>) do not distinguish between sorghum head mold symptomatic and asymptomatic seeds
Red harvester ants (<i>Pogonomyrmex barbatus</i>) do not distinguish between sorghum head mold symptomatic and asymptomatic seeds Open
Red harvester ants, Pogonomyrmex barbatus (Smith) (Hymenoptera: Formicidae), common in the Lower Rio Grande Valley of Texas, are known to gather seeds from areas around their nests and store the seeds inside their nests for later consumpti…
View article: Red harvester ant nests impact soil compaction but not temperature in peri-urban habitats of the Lower Rio Grande Valley
Red harvester ant nests impact soil compaction but not temperature in peri-urban habitats of the Lower Rio Grande Valley Open
Ants are vital ecosystem engineers that can influence soil properties, subsequent soil processes, and associated biota via underground nest construction. Harvester ants consume seeds and are often found in arid areas, frequently altering s…
View article: Disaster Plant Pathology: Smart Solutions for Threats to Global Plant Health from Natural and Human-Driven Disasters
Disaster Plant Pathology: Smart Solutions for Threats to Global Plant Health from Natural and Human-Driven Disasters Open
Disaster plant pathology addresses how natural and human-driven disasters impact plant diseases and the requirements for smart management solutions. Local to global drivers of plant disease change in response to disasters, often creating e…
View article: Detection and Monitoring of Plant Pathogens and Pests
Detection and Monitoring of Plant Pathogens and Pests Open
View article: Predictive Ecology and Management of Phyllosphere Microbial Communities Through Cross-Scale Synthesis
Predictive Ecology and Management of Phyllosphere Microbial Communities Through Cross-Scale Synthesis Open
In this article, we summarize the main takeaways from a symposium and hybrid virtual and in-person participatory discussion focused on the challenges of scale in understanding the ecology and management of phyllosphere microbial communitie…
View article: Are avocados toast? A framework to analyze decision-making for emerging epidemics, applied to laurel wilt
Are avocados toast? A framework to analyze decision-making for emerging epidemics, applied to laurel wilt Open
View article: Red Harvester Ant (Pogonomyrmex barbatus F. Smith; Hymenoptera: Formicidae) Preference for Cover Crop Seeds in South Texas
Red Harvester Ant (Pogonomyrmex barbatus F. Smith; Hymenoptera: Formicidae) Preference for Cover Crop Seeds in South Texas Open
Harvester ants often selectively forage seeds, causing these ants to be viewed as pests in agricultural areas where they may forage on crop seeds. While little research has been done on harvester ant preferences for cover crop seeds, growe…
View article: Red harvester ant (Order: Hymenoptera) preference for cover crop seeds in South Texas
Red harvester ant (Order: Hymenoptera) preference for cover crop seeds in South Texas Open
Harvester ants are known to selectively forage seeds, potentially impacting nearby plant community composition. In agricultural areas, harvester ants may be viewed as pests by foraging on crop seeds or as beneficials by preferentially remo…
View article: Rhizobial adhesives enhance nodule formation in sunn hemp
Rhizobial adhesives enhance nodule formation in sunn hemp Open
Inoculation of legume seed with rhizobacteria before planting is an efficient and convenient way of introducing effective rhizobacteria to soil vicinity of legume root and ensuring nitrogen fixation in cover cropped field. However, there a…
View article: Where to Invest Project Efforts for Greater Benefit: A Framework for Management Performance Mapping with Examples for Potato Seed Health
Where to Invest Project Efforts for Greater Benefit: A Framework for Management Performance Mapping with Examples for Potato Seed Health Open
Policymakers and donors often need to identify the locations where technologies are most likely to have important effects, to increase the benefits from agricultural development or extension efforts. Higher-quality information may help to …
View article: Characterization of Pathogen Airborne Inoculum Density by Information Theoretic Analysis of Spore Trap Time Series Data
Characterization of Pathogen Airborne Inoculum Density by Information Theoretic Analysis of Spore Trap Time Series Data Open
In a previous study, air sampling using vortex air samplers combined with species-specific amplification of pathogen DNA was carried out over two years in four or five locations in the Salinas Valley of California. The resulting time serie…
View article: Characterization of Pathogen Air-Borne Inoculum Density by Information Theoretic Analysis of Spore Trap Time Series Data
Characterization of Pathogen Air-Borne Inoculum Density by Information Theoretic Analysis of Spore Trap Time Series Data Open
Air sampling using vortex air samplers combined with species specific amplification of pathogen DNA, was carried out over two years in four or five locations in the Salinas Valley of California. The resulting time series data for the abund…
View article: Brown spot in table grape Redglobe controlled in study with sulfur dioxide and temperature treatments
Brown spot in table grape Redglobe controlled in study with sulfur dioxide and temperature treatments Open
Brown spot is a postharvest disease of grapes caused by Cladosporium species in the San Joaquin Valley of California. It spreads during cold storage and transport, resulting in severe economic losses to late table grape cultivars, which ar…
View article: Imidacloprid Movement into Fungal Conidia Is Lethal to Mycophagous Beetles
Imidacloprid Movement into Fungal Conidia Is Lethal to Mycophagous Beetles Open
Applications of systemic pesticides can have unexpected direct and indirect effects on nontarget organisms, producing ecosystem-level impacts. We investigated whether a systemic insecticide (imidacloprid) could be absorbed by a plant patho…
View article: Spinach Growers Value Host Resistance and Synthetic Fungicides in the Fight against Downy Mildew
Spinach Growers Value Host Resistance and Synthetic Fungicides in the Fight against Downy Mildew Open
California spinach growers struggle to manage spinach downy mildew disease. The disease is especially difficult in the organic crop, which currently relies on resistant varieties to maintain disease-free crop. Alternative control measures …
View article: Imidacloprid Movement into Fungal Conidia is Lethal to Mycophagous Beetles
Imidacloprid Movement into Fungal Conidia is Lethal to Mycophagous Beetles Open
Applications of systemic pesticides can have unexpected direct and indirect effects on nontarget organisms, producing ecosystem-level impacts. We investigated whether a systemic insecticide (imidacloprid) could be absorbed by a plant patho…
View article: Effective Altruism as an Ethical Lens on Research Priorities
Effective Altruism as an Ethical Lens on Research Priorities Open
Effective altruism is an ethical framework for identifying the greatest potential benefits from investments. Here, we apply effective altruism concepts to maximize research benefits through identification of priority stakeholders, pathosys…
View article: Host density dependence and environmental factors affecting laurel wilt invasion
Host density dependence and environmental factors affecting laurel wilt invasion Open
Host size, density and distribution, in addition to climate, can affect the likelihood a pathogen will invade and saturate landscapes. Laurel wilt, caused by the vector-borne forest pathogen Raffaelea lauricola , has devastated populations…
View article: Summary Measures of Predictive Power Associated with Logistic Regression Models of Disease Risk
Summary Measures of Predictive Power Associated with Logistic Regression Models of Disease Risk Open
For an ordinary least-squares regression model, the coefficient of determination (R 2 ) describes the proportion (or percentage) of variance of the response variable explained by the model, and is a widely accepted summary measure of predi…
View article: Climate Change, Carbon Dioxide, and Pest Biology, Managing the Future: Coffee as a Case Study
Climate Change, Carbon Dioxide, and Pest Biology, Managing the Future: Coffee as a Case Study Open
The challenge of maintaining sufficient food, feed, fiber, and forests, for a projected end of century population of between 9–10 billion in the context of a climate averaging 2–4 °C warmer, is a global imperative. However, climate change …
View article: Network Analysis: A Systems Framework to Address Grand Challenges in Plant Pathology
Network Analysis: A Systems Framework to Address Grand Challenges in Plant Pathology Open
Plant pathology must address a number of challenges, most of which are characterized by complexity. Network analysis offers useful tools for addressing complex systems and an opportunity for synthesis within plant pathology and between it …
View article: Multiple origins of downy mildews and mito-nuclear discordance within the paraphyletic genus Phytophthora
Multiple origins of downy mildews and mito-nuclear discordance within the paraphyletic genus Phytophthora Open
Phylogenetic relationships between thirteen species of downy mildew and 103 species of Phytophthora (plant-pathogenic oomycetes) were investigated with two nuclear and four mitochondrial loci, using several likelihood-based approaches. Thr…
View article: Modeling Uncertainty in Grapevine Powdery Mildew Epidemiology Using Fuzzy Logic
Modeling Uncertainty in Grapevine Powdery Mildew Epidemiology Using Fuzzy Logic Open
Powdery mildew is the most important disease of grapevines worldwide. Despite the potential for rapid spread by the causal pathogen, grape powdery mildew has been effectively managed using fungicide applications applied based on a calendar…
View article: A Framework for Optimizing Phytosanitary Thresholds in Seed Systems
A Framework for Optimizing Phytosanitary Thresholds in Seed Systems Open
Seedborne pathogens and pests limit production in many agricultural systems. Quarantine programs help prevent the introduction of exotic pathogens into a country, but few regulations directly apply to reducing the reintroduction and spread…
View article: Temperature and Light Effects on Germination of<i>Peronospora effusa</i>Sporangia
Temperature and Light Effects on Germination of<i>Peronospora effusa</i>Sporangia Open
Spinach downy mildew, caused by the biotrophic oomycete Peronospora effusa , is an economically important disease that is found in all spinach growing regions of the US. To effectively predict disease risk we need to understand the respons…
View article: Laurel Wilt in Natural and Agricultural Ecosystems: Understanding the Drivers and Scales of Complex Pathosystems
Laurel Wilt in Natural and Agricultural Ecosystems: Understanding the Drivers and Scales of Complex Pathosystems Open
Laurel wilt kills members of the Lauraceae plant family in the southeastern United States. It is caused by Raffaelea lauricola T.C. Harr., Fraedrich and Aghayeva, a nutritional fungal symbiont of an invasive Asian ambrosia beetle, Xyleboru…