A5056500168- Plant Pathogens and Fungal Diseases
- Plant-Microbe Interactions and Immunity
- Plant Disease Management Techniques
- Insect-Plant Interactions and Control
- Insect behavior and control techniques
- Fungal Plant Pathogen Control
- Mycorrhizal Fungi and Plant Interactions
- Plant Pathogens and Resistance
- Light effects on plants
- Powdery Mildew Fungal Diseases
- Phytoplasmas and Hemiptera pathogens
- Mycotoxins in Agriculture and Food
- Yeasts and Rust Fungi Studies
- Plant Gene Expression Analysis
- Cassava research and cyanide
- Fungal Biology and Applications
- Forest Insect Ecology and Management
- Phytochemicals and Antioxidant Activities
Appalachian Fruit Research Laboratory
2020-2024
Agricultural Research Service
2020-2024
United States Department of Agriculture
2021
BACKGROUND: The new approach of using UV-C irradiation followed by a specific dark period to control plant diseases has the potential become mainstream treatment in production strawberries and other fruits vegetables. Thus, it is imperative study effects this on fruit quality. METHODS: In study, short-day ‘Chandler’ strawberry plants grown growth chamber from bloom harvest were irradiated twice week with nighttime light (253 nm peak value 12.36 J m–2 total dose 50 range 240 –260 nm). content...
Greenhouse whitefly, Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae), is a serious pest of numerous crops grown in greenhouses and field-grown strawberry yr-round production areas California, USA. Problems with insecticide resistance have prompted the search for more sustainable methods their management. Here, we applied UV-C light treatments nightly 16 s (19.2 J m–2) over 6-wk period to tomatoes infested T. compared numbers adults, nymphs, eggs those on untreated plants. All...
Fusarium avenaceum is a generalist plant pathogen of concern due to its potential produce mycotoxins on products. Previous research efforts have sequenced and assembled genomes F. avenaceum. However, those works relied limited next-generation sequencing technologies that resulted in fragmented incomplete genome assemblies. To address this, we utilized high-depth third-generation long-read several different assembly software generate new, highly contiguous Moreover, conducted thorough...
Abstract Spotted‐wing drosophila, Drosophila suzukii Matsumura, is an invasive pest in the United States, Europe and South America. Females are able to oviposit intact soft‐skinned fruit, resulting significant economic losses due larval feeding. Attracticidal spheres, originally developed for apple maggot, Rhagoletis pomonella Walsh, have been used as a management tool D . few studies, but little known about their longevity killing device performance under varying densities. Here, we...
Fruit losses due to postharvest decay caused by several fungal species is a major challenge for pear production (Sardella et al. 2016). In December 2021, European (Pyrus communis L.) 'Dawn' with brown, circular, watery, and sunken lesions was observed in cold storage at the USDA Appalachian Research Station Kearneysville, West Virginia. Only 1 of 14 pears examined had described disease symptoms. The fruit surface sterilized, symptomatic tissue transferred potato dextrose agar (PDA) incubated...
In November 2022, a European pear (Pyrus communis L.) ‘Shenandoah’ presenting brown discoloration and softening of the tissue over 75% fruit surface was found in cold storage at USDA Appalachian Fruit Research Station Kearneysville, West Virginia. Two 24 pears displayed disease symptoms described. Following sanitation with 70% ethanol, taken margin lesion area, transferred to potato dextrose agar (PDA), incubated 25°C under continuous light. The isolate hyphal-tip purified propagated on PDA...
Post-harvest disease caused by the blue mold fungus, Penicillium expansum , accounts for a substantial proportion of economic losses in United States apple industry. Multiple modes entry supply chain, plus emerging fungicide resistance, limit current and long-term viability using chemical controls alone. Previous phenotypic screens Malus accessions USDA-ARS germplasm have identified varying levels resistance some wild hybrids. These species contain reservoirs genetic that can be integrated...