Search Results - "Townsend, A.M"

Epidemiology of Mycoplasma bovis in Pennsylvania veal calves by Soehnlen, M K, Aydin, A, Murthy, K S, Lengerich, E J, Hattel, A L, Houser, B A, Fenton, G D, Lysczek, H R, Burns, C M, Townsend, A M, Brooks, J W, Wolfgang, D R, Jayarao, B M

“…The objective of the study was to estimate the prevalence and incidence of Mycoplasma bovis, a common cause of pneumonia, in veal calves. Using simple random…”
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Molecular Markers Used to Verify Interspecific Hybridization between Hemlock (Tsuga) Species by Pooler, Margaret R, Riedel, Louise G.H, Bentz, S.E, Townsend, A.M

“…Controlled pollinations were made between five hemlock ( Tsuga ) species from eastern North America and Asia, resulting in over 5700 germinating seedlings. A…”
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Hybridization and Self-compatibility in Celtis: AFLP Analysis of Controlled Crosses by Whittemore, A.T, Townsend, A.M

“…Artificial cross-pollinations were carried out among seven species of Celtis L. (C. bungeana Blume, C. koraiensis Nakai, C. laevigata Willd., C. occidentalis…”
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Spatial and temporal patterns of abundance of the potato leafhopper among red maples by Bentz, J, Townsend, A.M

“…Summary A study was conducted in the 2001 growing season to examine the relative abundance, dispersion and distribution of the potato leafhopper (Empoasca…”
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Evaluation of Elm Clones for Tolerance to Dutch Elm Disease by Townsend, A.M., Douglass, L.W.

“…Rooted cuttings of ten hybrid elm (Ulmus) clones, including one named 'Patriot', and all derived from various crosses of 'Homestead', 'Prospector', 'Urban',…”
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Variation in leafhopper species abundance and diversity among elm seedlings and cultivars by Bentz, J.A, Townsend, A.M

“…A survey was conducted in the 2001 growing season to determine the leafhopper species composition, abundance, richness, diversity, and evenness among trees of…”
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Hybridization and Self-Compatibility in Controlled Pollinations of Eastern North American and Asian Hemlock (TSUGA) Species by Bentz, S.E., Riedel, Louise, Pooler, Margaret, Townsend, A.M.

“…Controlled pollinations were made between five hemlock (Tsuga) species from eastern North America and Asia. Resulting seeds were collected and planted, and…”
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Variation Among Alnus Progenies Grown in Ohio by Townsend, A.M., Douglass, L.W.

“…Seedlings grown in Ohio from seed collected from 12 native seed sources of Alnusglutinosa (European black alder) and one seed source of Alnus cordata (Italian…”
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Leaf water relations and plant development of three Freeman maple cultivars subjected to drought by Zwack, J.A, Graves, W.R, Townsend, A.M

“…Little is known about drought stress resistance of Freeman maples (Acer xfreemanii E. Murray), which are hybrids of red maples (A. rubrum L.) and silver maples…”
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Feeding injury, oviposition, and nymphal survivorship of the potato leafhopper on red maple and Freeman maple clones by Bentz, J.A, Townsend, A.M

“…Feeding injury, oviposition, and nymphal survivorship of the potato leafhopper, Empoasca fabae (Harris), were measured among 5 red maple, Acer rubrum L.,…”
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Genetic Improvement of Elms and Other Tree Genera by Townsend, A.M.

“…An extensive selection and breeding program for disease resistant, stress tolerant elm clones is being carried out. Efforts have involved making controlled…”
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Relative Susceptibility of Thirteen Pine Species to Sodium Chloride Spray by Townsend, A.M., Kwolek, W.F.

“…Seedlings of 13 pine species were sprayed with either NaCI spray or distilled water for 3 consecutive winters. Pinus thunbergii, P. ponderosa, and Pinus nigra…”
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Variation among red and Freeman maples in response to drought and flooding by Zwack, J.A, Graves, W.R, Townsend, A.M

“…Freeman maples (Acer x freemanii E. Murray) are marketed as stress-resistant alternatives to red maples (Acer rubrum L.). Our objective was to compare two…”
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Variation in adult populations of the potato leafhopper (Homoptera: Cicadellidae) and feeding injury among clones of red maple by Bentz, J.A, Townsend, A.M

“…Leaf flush phenology of red maple, Acer rubrum L., changes in the number of potato leafhopper adults, Empoasca fabae (Harris), and feeding injury were recorded…”
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Improving direction-giving through utilization of an RFID-enabled kiosk by Luse, A., Townsend, A.M.

“…This paper presents an RFID-enabled electronic kiosk system for personalized information retrieval. The system builds on research in direction-giving by…”
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Crossability patterns and morphological variaton among elm species and hybrids by Townsend, A.M

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Relative Sensitivity of Pine Species to Ozone by Townsend, A.M., Dochinger, L.S.

“…Seedlings of Pinus banksiana, P. parviflora, P. ponderosa, and P. sylvestris showed the most foliar injury to ozone fumigation at 20 and 30 pphm during an 8…”
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Effects of Atmospheric Deposition on Sulfur and Nitrogen Content of Four Urban Tree Species by Roberts, B.R., Dochinger, L.S., Townsend, A.M.

“…One-yr-old containerized seedlings of black locust, black cherry, Siberian elm, and yellow-poplar were fumigated with either SO2, NO2 or with a combination of…”
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Influence of specific combining ability and sex of gametes on transmission of Ceratocystis ulmi resistance in Ulmus by Townsend, A.M

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Variability in aggressiveness, recovery, and cultural characteristics of isolates of Ceratocystis ulmi [Fungus diseases of Ulmus, Dutch elm disease] by Schreiber, Lawrence R.

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