Search Results - "Shew, H David"

Arbuscular Mycorrhizal Fungi Increase Organic Carbon Decomposition Under Elevated CO2 by Cheng, Lei, Booker, Fitzgerald L., Tu, Cong, Burkey, Kent O., Zhou, Lishi, Shew, H. David, Rufty, Thomas W., Hu, Shuijin

“…The extent to which terrestrial ecosystems can sequester carbon to mitigate climate change is a matter of debate. The stimulation of arbuscular mycorrhizal…”
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Warming and elevated ozone induce tradeoffs between fine roots and mycorrhizal fungi and stimulate organic carbon decomposition by Qiu, Yunpeng, Guo, Lijin, Xu, Xinyu, Zhang, Lin, Zhang, Kangcheng, Chen, Mengfei, Zhao, Yexin, Burkey, Kent O., Shew, H. David, Zobel, Richard W., Zhang, Yi, Hu, Shuijin

“…Warming and elevated ozone alter root traits and mycorrhizal fungal community and stimulate organic carbon decomposition. Climate warming and elevated ozone…”
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Soil microbial responses to elevated CO2 and O3 in a nitrogen-aggrading agroecosystem by Cheng, Lei, Booker, Fitzgerald L, Burkey, Kent O, Tu, Cong, Shew, H. David, Rufty, Thomas W, Fiscus, Edwin L, Deforest, Jared L, Hu, Shuijin

“…Climate change factors such as elevated atmospheric carbon dioxide (CO2) and ozone (O3) can exert significant impacts on soil microbes and the ecosystem level…”
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Integrated Pathogen Management in Stevia Using Anaerobic Soil Disinfestation Combined with Different Fungicide Programs in USA, Mexico, and Paraguay by Sanabria-Velazquez, Andres D., Enciso-Maldonado, Guillermo A., Maidana-Ojeda, Marco, Diaz-Najera, Jose F., Ayvar-Serna, Sergio, Thiessen, Lindsey D., Shew, H. David

“…Stevia is a semi-perennial crop grown to obtain the diterpene glycosides in its leaves, which are processed to manufacture non-caloric sweeteners. Anaerobic…”
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Components of Aggressiveness in Phytophthora nicotianae During Adaptation to Multiple Sources of Partial Resistance in Tobacco by Jin, Jing, Shew, H David

“…Black shank is a devastating disease of tobacco caused by . Host resistance has been an integral part of black shank management but after the loss of…”
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Impacts of Continued Exposure to a Susceptible Host Genotype on Aggressiveness of Phytophthora nicotianae Isolates Adapted to Multiple Sources of Partial Resistance by Jin, Jing, Shew, H David

“…Pathogen adaptation can threaten the durability of partial resistance. Mixed plantings of susceptible and partially resistant varieties may prolong the…”
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Contrasting Warming and Ozone Effects on Denitrifiers Dominate Soil N2O Emissions by Qiu, Yunpeng, Jiang, Yu, Guo, Lijin, Burkey, Kent O, Zobel, Richard W, Shew, H. David, Hu, Shuijin

“…Nitrous oxide (N2O) in the atmosphere is a major greenhouse gas and reacts with volatile organic compounds to create ozone (an air pollutant) in the…”
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Phylogeography of the Solanaceae-infecting Basidiomycota fungus Rhizoctonia solani AG-3 based on sequence analysis of two nuclear DNA loci by Ceresini, Paulo C, Shew, H David, James, Timothy Y, Vilgalys, Rytas J, Cubeta, Marc A

“…The soil fungus Rhizoctonia solani anastomosis group 3 (AG-3) is an important pathogen of cultivated plants in the family Solanaceae. Isolates of R. solani…”
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Biological controls over the abundances of terrestrial ammonia oxidizers by Xiao, Rui, Qiu, Yunpeng, Tao, Jinjin, Zhang, Xuelin, Chen, Huaihai, Reberg‐Horton, S. Chris, Shi, Wei, Shew, H. David, Zhang, Yi, Hu, Shuijin, Dornelas, Maria

“…Aim Ammonia‐oxidizing archaea (AOA) and bacteria (AOB) are the primary agents for nitrification, converting ammonia (NH4+) into nitrate (NO3−) and modulating…”
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Shifts in the Composition and Activities of Denitrifiers Dominate CO2 Stimulation of N2O Emissions by Qiu, Yunpeng, Jiang, Yu, Guo, Lijin, Zhang, Lin, Burkey, Kent O, Zobel, Richard W, Reberg-Horton, S. Chris, Shew, H. David, Hu, Shuijin

“…Elevated atmospheric CO2 (eCO2) often increases soil N2O emissions, but the underlying mechanisms remain largely unknown. One hypothesis suggests that high N2O…”
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Validation of Standard Area Diagrams to Estimate the Severity of Septoria Leaf Spot on Stevia in Paraguay, Mexico, and the United States by Sanabria-Velazquez, Andres D, Enciso-Maldonado, Guillermo A, Maidana-Ojeda, Marco, Diaz-Najera, Jose F, Thiessen, Lindsey D, Shew, H David

“…Septoria leaf spot (SLS) affects stevia leaves, reducing their quality. Estimates of SLS severity on different genotypes are made to identify resistance and as…”
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Adaptation of Phytophthora nicotianae to Multiple Sources of Partial Resistance in Tobacco by Jin, Jing, McCorkle, Kestrel L, Cornish, Vicki, Carbone, Ignazio, Lewis, Ramsey S, Shew, H David

“…Host resistance is an important tool in the management of black shank disease of tobacco. Race development leads to rapid loss of single-gene resistance, but…”
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Seasonal dynamics and fungicide sensitivity of organisms causing brown patch of tall fescue in North Carolina by Koehler, Alyssa M., Shew, H. David

“…Brown patch, caused by multiple species of Rhizoctonia and Rhizoctonia-like fungi, is the most severe summer disease of tall fescue in home lawns across the…”
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Expression of the bacteriophage T4 lysozyme gene in tall fescue confers resistance to gray leaf spot and brown patch diseases by Dong, Shujie, Shew, H. David, Tredway, Lane P, Lu, Jianli, Sivamani, Elumalai, Miller, Eric S, Qu, Rongda

“…Tall fescue (Festuca arundinacea Schreb.) is an important turf and forage grass species worldwide. Fungal diseases present a major limitation in the…”
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Contrasting Warming and Ozone Effects on Denitrifiers Dominate Soil N 2 O Emissions by Qiu, Yunpeng, Jiang, Yu, Guo, Lijin, Burkey, Kent O, Zobel, Richard W, Shew, H David, Hu, Shuijin

“…Nitrous oxide (N O) in the atmosphere is a major greenhouse gas and reacts with volatile organic compounds to create ozone (an air pollutant) in the…”
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Shifts in the Composition and Activities of Denitrifiers Dominate CO 2 Stimulation of N 2 O Emissions by Qiu, Yunpeng, Jiang, Yu, Guo, Lijin, Zhang, Lin, Burkey, Kent O, Zobel, Richard W, Reberg-Horton, S Chris, Shew, H David, Hu, Shuijin

“…Elevated atmospheric CO (eCO ) often increases soil N O emissions, but the underlying mechanisms remain largely unknown. One hypothesis suggests that high N O…”
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Under the Scope: Microscopy Techniques to Visualize Plant Anatomy & Measure Structures by Koehler, Alyssa M., Larkin, Maximo T., Shew, H. David

“…Microscopy and stained specimens engage students visually as they learn about plant anatomy, a topic covered in many biology and introductory science courses…”
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Identification and characterization of Septoria steviae as the causal agent of Septoria leaf spot disease of stevia in North Carolina by Koehler, Alyssa M., Larkin, Maximo T., Rogers, Layne W., Carbone, Ignazio, Cubeta, Marc A., Shew, H. David

“…Stevia (Stevia rebaudiana) is an emerging perennial crop in the southeastern United States. A Septoria leaf spot disease of stevia was first identified on…”
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Genetic diversity of Rhizoctonia solani AG-3 from potato and tobacco in North Carolina by Ceresini, Paulo C., Shew, H. David, Vilgalys, Rytas J., Cubeta, Marc A.

“…Anastomosis group 3 (AG-3) of Rhizoctonia solani (teleomorph = Thanatephorus cucumeris) is frequently associated with diseases of potato (AG-3 PT) and tobacco…”
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Genetic structure of populations of Rhizoctonia solani AG-3 on potato in eastern North Carolina by Ceresini, Paulo C., Shew, H. David, Vilgalys, Rytas J., Rosewich, U. Liane, Cubeta, Marc A.

“…A polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method was developed to identify and differentiate genotypes of Rhizoctonia…”
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