Robert Michael Crassweller

    • 436 Citations
    • 11 h-Index
    19942019
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    Research Output 1994 2019

    • 436 Citations
    • 11 h-Index
    • 41 Article
    • 12 Conference contribution
    • 1 Comment/debate
    • 1 Conference article
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    Article
    2019
    1 Citation (Scopus)

    Relationships between fruit weight and diameter at 60 days after bloom and at harvest for three apple cultivars

    Marini, R. P., Schupp, J. R., Baugher, T. A. & Crassweller, R. M., Jan 1 2019, In : HortScience. 54, 1, p. 86-91 6 p.

    Research output: Contribution to journalArticle

    apples
    fruits
    cultivars
    orchards
    heat sums

    Sampling apple trees to accurately estimate mean fruit weight and fruit size distribution

    Marini, R. P., Schupp, J. R., Baugher, T. A. & Crassweller, R. M., Jun 1 2019, In : HortScience. 54, 6, p. 1017-1022 6 p.

    Research output: Contribution to journalArticle

    apples
    fruits
    canopy
    sampling
    planting
    2018

    Root and mycorrhizal fungal foraging responses to fruit removal in apple trees

    Lavely, E. K., Zhang, J., Adams, T., Bryla, D. R., DeForest, J. L., Marini, R. P., Crassweller, R. M. & Eissenstat, D., Oct 1 2018, In : Plant and Soil. 431, 1-2, p. 401-416 16 p.

    Research output: Contribution to journalArticle

    fruit
    apples
    foraging
    fruits
    nutrients
    2016
    2 Citations (Scopus)

    Consumer peach preferences and purchasing behavior: A mixed methods study

    Kelley, K. M., Primrose, R., Crassweller, R. M., Hayes, J. E. & Marini, R. P., May 1 2016, In : Journal of the science of food and agriculture. 96, 7, p. 2451-2461 11 p.

    Research output: Contribution to journalArticle

    purchasing
    peaches
    methodology
    sweetness
    Color
    2013
    3 Citations (Scopus)

    Impact of Producer Risk Preferences on Selection of Fresh-Market Apple Training Systems

    Harper, J. K., Jimenez-Maldonado, A. J., Crassweller, R. M. & Smith, D. E., Jul 1 2013, In : International Journal of Fruit Science. 13, 3, p. 265-273 9 p.

    Research output: Contribution to journalArticle

    fresh market
    growers
    apples
    cultivar
    market
    2012
    1 Citation (Scopus)

    eApples: A case study in using eXtension to increase access to research-based information

    Hoover, E. E., Marini, R. P., Tepe, E., Autio, W. R., Biggs, A. R., Clements, J. M., Crassweller, R. M., Foster, D. D., Foster, M. J., Hirst, P. M., Miller, D. D., Parker, M. L., Peck, G. M., Racsko, J., Robinson, T. L. & Warmund, M. R., Oct 1 2012, In : HortTechnology. 22, 5, p. 576-579 4 p.

    Research output: Contribution to journalArticle

    apples
    case studies
    gardeners
    rootstocks
    researchers
    43 Citations (Scopus)

    Rootstock-regulated gene expression patterns associated with fire blight resistance in apple

    Jensen, P. J., Halbrendt, N., Fazio, G., Makalowska, I., Altman, N. S., Praul, C., Maximova, S., Ngugi, H. K., Crassweller, R. M., Travis, J. W. & McNellis, T. W., Jan 9 2012, In : BMC Genomics. 13, 1, 9.

    Research output: Contribution to journalArticle

    Malus
    Gene Expression
    Erwinia amylovora
    Necrosis
    L-Iditol 2-Dehydrogenase
    2010
    3 Citations (Scopus)

    Assessing consumer preferences of scab-resistant apples: A sensory evaluation

    Kelley, K. M., Hyde, J., Travis, J. & Crassweller, R. M., Oct 1 2010, In : HortTechnology. 20, 5, p. 885-891 7 p.

    Research output: Contribution to journalArticle

    consumer preferences
    sensory evaluation
    apples
    cultivars
    texture
    48 Citations (Scopus)

    Rootstock-regulated gene expression patterns in apple tree scions

    Jensen, P. J., Makalowska, I., Altman, N. S., Fazio, G., Praul, C., Maximova, S., Crassweller, R. M., Travis, J. W. & McNellis, T. W., Jan 1 2010, In : Tree Genetics and Genomes. 6, 1, p. 57-72 16 p.

    Research output: Contribution to journalArticle

    rootstock
    Malus
    scions
    gene expression
    rootstocks
    2007
    6 Citations (Scopus)

    A multi-location comparison of 'geneva® 16', 'geneva® 41' and 'm.9' apple rootstocks in north america

    Robinson, T., Anderson, L., Autio, W., Barritt, B., Cline, J., Cowgill, W., Crassweller, R. M., Embree, C., Ferree, D., Garcia, E., Greene, G., Hampson, C., Kosola, K., Parker, M., Perry, R., Roper, T. & Warmund, M., Jan 1 2007, In : Acta Horticulturae. 732, p. 59-65 7 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    tissue culture
    scions
    Phytophthora
    2 Citations (Scopus)

    Early performance of 'fuji' and 'mcintosh' apple trees on several dwarf rootstocks in the 1999 NC-140 rootstock trial

    Autio, W. R., Barritt, B. H., Cline, J. A., Crassweller, R. M., Embree, C. G., Ferree, D. C., Garcia, M. E., Greene, G. M., Hoover, E. E., Johnson, R. S., Kosola, K., Masabni, J., Parker, M. L., Perry, R. L., Reighard, G. L., Robinson, T. L., Seeley, S. D. & Warmund, M., Dec 1 2007, In : Acta Horticulturae. 732, p. 127-133 7 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    small fruits
    fruits
    Malus domestica
    3 Citations (Scopus)

    Early performance of 'fuji' and 'mcintosh' apple trees on several dwarf rootstocks in the 1999 NC-140 rootstock trial

    Autio, W. R., Barritt, B. H., Cline, J. A., Crassweller, R. M., Embree, C. G., Ferree, D. C., Garcia, M. E., Greene, G. M., Hoover, E. E., Johnson, R. S., Kosola, K., Masabni, J., Parker, M. L., Perry, R. L., Reighard, G. L., Robinson, T. L., Seeley, S. D. & Warmund, M., Dec 1 2007, In : Acta Horticulturae. 732, p. 119-125 7 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    small fruits
    fruits
    Malus domestica
    4 Citations (Scopus)

    Multidisciplinary evaluation of new apple cultivars: The NE-183 regional project 1999 planting

    Greene, D., Crassweller, R., Hampson, C., McNew, R., Miller, S., Azarenko, A., Barritt, B., Berkett, L., Brown, S., Clements, J., Cowgill, W., Cline, J., Embree, C., Fallahi, E., Fallahi, B., Garcia, E., Greene, G., Lindstrom, T., Merwin, I., Obermiller, J. D. & 2 others, Rosenberger, D. & Stasiak, M., Apr 1 2007, In : Journal of the American Pomological Society. 61, 2, p. 78-83 6 p.

    Research output: Contribution to journalArticle

    apples
    planting
    cultivars
    pests
    horticulture
    5 Citations (Scopus)

    Performance of apple cultivars in the 1999 NE-183 regional project planting. I. Growth and yield characteristics

    Crassweller, R. M., McNew, R., Greene, D., Miller, S., Cline, J., Azarenko, A., Barritt, B., Berkett, L., Brown, S., Cowgill, W., Fallahi, E., Fallahi, B., Garcia, E., Hampson, C., Lindstrom, T., Merwin, I., Obermiller, J. D., Stasiak, M. & Greene, G., Apr 1 2007, In : Journal of the American Pomological Society. 61, 2, p. 84-96 13 p.

    Research output: Contribution to journalArticle

    apples
    planting
    cultivars
    fruit drop
    fruits
    4 Citations (Scopus)

    Performance of apple cultivars in the 1999 NE-183 regional project planting. II. Fruit quality characteristics

    Miller, S., McNew, R., Crassweller, R. M., Greene, D., Hampson, C., Azarenko, A., Berkett, L., Cowgill, W., Garcia, E., Lindstrom, T., Stasiak, M., Cline, J., Fallahi, B., Fallahi, E. & Greene, G., Apr 1 2007, In : Journal of the American Pomological Society. 61, 2, p. 97-114 18 p.

    Research output: Contribution to journalArticle

    fruit quality
    apples
    planting
    cultivars
    total soluble solids
    1 Citation (Scopus)

    Performance of apple cultivars in the 1999 NE-183 regional project planting. III. Fruit sensory characteristics

    Hampson, C., McNew, R., Crassweller, R. M., Greene, D., Miller, S., Berkett, L., Garcia, M. E., Azarenko, A., Lindstrom, T., Stasiak, M., Cowgill, W. & Greene, G., Apr 1 2007, In : Journal of the American Pomological Society. 61, 2, p. 115-126 12 p.

    Research output: Contribution to journalArticle

    Ambrosia
    sensory properties
    apples
    planting
    fruits
    2006
    6 Citations (Scopus)

    Performance of 'Gala' apple on four semi-dwarf rootstocks: A ten-year summary of the 1994 NC-140 semi-dwarf rootstock trial

    Marini, R. P., Barritt, B. H., Brown, G. R., Cline, J., Cowgill, W. P., Crassweller, R. M., Domoto, P. A., Ferree, D. C., Garner, J., Greene, G. M., Hampson, C., Hirst, P., Kushad, M. M., Masabni, J., Mielke, E., Moran, R., Mullins, C. A., Parker, M., Perry, R. L., Privé, J. P. & 7 others, Reighard, G. L., Robinson, T., Rom, C. R., Roper, T., Schupp, J. R., Stover, E. & Unrath, R., Dec 13 2006, In : Journal of the American Pomological Society. 60, 2, p. 58-68 11 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    tree trunk
    cooperatives
    Malus
    16 Citations (Scopus)

    Performance of 'Gala' apple trees on 18 dwarfing rootstocks: Ten-year summary of the 1994 NC-140 rootstock trial

    Marini, R. P., Anderson, J. L., Autio, W. R., Barritt, B. H., Cline, J., Cowgill, W. P., Crassweller, R. M., Garner, R. M., Gauss, A., Godin, R., Greene, G. M., Hampson, C., Hirst, P., Kushad, M. M., Masabni, J., Mielke, E., Moran, R., Mullins, C. A., Parker, M., Perry, R. L. & 8 others, Privé, J. P., Reighard, G. L., Robinson, T., Rom, C. R., Roper, T., Schupp, J. R., Stover, E. & Unrath, R., Dec 13 2006, In : Journal of the American Pomological Society. 60, 2, p. 69-83 15 p.

    Research output: Contribution to journalArticle

    dwarfing
    rootstocks
    apples
    vigor
    clones
    2005
    10 Citations (Scopus)

    Effect of cultivar and site on fruit quality as demonstrated by the NE-183 regional project on apple cultivars

    Miller, S. S., McNew, R. W., Barritt, B. H., Berkett, L., Brown, S. K., Cline, J. A., Clements, J. M., Cowgill, W. P., Crassweller, R. M., Garcia, M. E., Greene, D. W., Greene, G. M., Hampson, C. R., Merwin, I., Miller, D. D., Moran, R. E., Rom, C. R., Roper, T. R., Schupp, J. R. & Stover, E., Oct 1 2005, In : HortTechnology. 15, 4, p. 886-895 10 p.

    Research output: Contribution to journalArticle

    fruit quality
    apples
    cultivars
    planting
    sweetness
    11 Citations (Scopus)

    Electronic nose chemical sensor feasibility study for the differentiation of apple cultivars

    Marrazzo, W. N., Heinemann, P. H., Crassweller, R. M. & LeBlanc, E., Sep 1 2005, In : Transactions of the American Society of Agricultural Engineers. 48, 5, p. 1995-2002 8 p.

    Research output: Contribution to journalArticle

    Electronic Nose
    electronic nose
    Feasibility Studies
    Malus
    Mass spectrometers
    2 Citations (Scopus)
    Electronic Nose
    electronic nose
    Flavors
    Feasibility Studies
    Malus
    16 Citations (Scopus)

    Performance of apple cultivars in the 1995 NE-183 regional project planting: I. Growth and yield characteristics

    Crassweller, R. M., McNew, R., Azarenko, A., Barritt, B., Belding, R., Berkett, L., Brown, S., Clemens, J., Cline, J., Cowgill, W., Ferree, D., Garcia, E., Greene, D., Greene, G., Hampson, C., Merwin, I., Miller, D., Miller, S., Moran, R., Obermiller, J. & 5 others, Rosenberger, D., Rom, C., Roper, T., Schupp, J. R. & Stover, E., Jan 1 2005, In : Journal of the American Pomological Society. 59, 1, p. 18-27 10 p.

    Research output: Contribution to journalArticle

    apples
    planting
    cultivars
    fruit drop
    fruits
    20 Citations (Scopus)

    Performance of apple cultivars in the 1995 NE-183 regional project planting: III. Fruit sensory characteristics

    Miller, S., Hampson, C., McNew, R., Berkett, L., Brown, S., Clements, J., Crassweller, R. M., Garcia, E., Greene, D. & Greene, G., Jan 1 2005, In : Journal of the American Pomological Society. 59, 1, p. 28-43 16 p.

    Research output: Contribution to journalArticle

    sensory properties
    apples
    planting
    fruits
    cultivars
    7 Citations (Scopus)

    Performance of 'Fuji' and 'McIntosh' apple trees after 5 years as affected by several dwarf rootstocks in the 1999 NC-140 apple rootstock trial

    Autio, W. R., Robinson, T. L., Barritt, B. H., Cline, J. A., Crassweller, R. M., Embree, C. G., Ferree, D. C., Garcia, M. E., Greene, G. M., Hoover, E. E., Johnson, R. S., Kosola, K., Masabni, J., Parker, M. L., Perry, R. L., Reighard, G. L., Seeley, S. D. & Warmund, M., Oct 1 2005, In : Journal of the American Pomological Society. 59, 4, p. 202-214 13 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    cultivars
    Malus
    committees
    5 Citations (Scopus)

    Performance of 'Fuji' and 'McIntosh' apple trees after 5 years as affected by several semidwarf rootstocks in the 1999 NC-140 apple rootstock trial

    Autio, W. R., Robinson, T. L., Barritt, B. H., Cline, J. A., Crassweller, R. M., Embree, C. G., Ferree, D. C., Garcia, M. E., Greene, G. M., Hoover, E. E., Johnson, R. S., Kosola, K., Masabni, J., Parker, M. L., Perry, R. L., Reighard, G. L., Seeley, S. D. & Warmund, M., Oct 1 2005, In : Journal of the American Pomological Society. 59, 4, p. 192-201 10 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    suckering
    scions
    cultivars
    2004
    21 Citations (Scopus)

    Performance of apple cultivars in the 1995 NE-183 regional project planting: II. Fruit quality characteristics

    Miller, S., McNew, R., Belding, R., Berkett, L., Brown, S., Clements, J., Cline, J., Cowgill, W., Crassweller, R. M., Garcia, E., Greene, D., Greene, G., Hampson, C., Merwin, I., Moran, R., Roper, T., Schupp, J. R. & Stover, E., Apr 1 2004, In : Journal of the American Pomological Society. 58, 2, p. 65-77 13 p.

    Research output: Contribution to journalArticle

    fruit quality
    apples
    planting
    cultivars
    fruits
    5 Citations (Scopus)

    Performance of 'Braeburn', 'Golden Delicious' and 'Yataka Fuji' apple on Mark and M.9 rootstocks at multiple locations across North America

    Hampson, C. R., McNew, R., Azarenko, A., Berkett, L., Barritt, B., Belding, R., Brown, S., Clements, J., Cline, J., Cowgill, W., Crassweller, R. M., Garcia, E., Greene, D., Greene, G., Merwin, I., Miller, D., Miller, S., Moran, R., Obermiller, J. D., Rom, C. & 3 others, Roper, T., Schupp, J. R. & Stover, E., Apr 1 2004, In : Journal of the American Pomological Society. 58, 2, p. 78-89 12 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    cultivars
    fruits
    scions
    2003
    1 Citation (Scopus)

    Apple cultivar sensitivity to azoxystrobin fungicide

    Crassweller, R. M. & Smith, D. E., Oct 1 2003, In : Journal of the American Pomological Society. 57, 4, p. 166-168 3 p.

    Research output: Contribution to journalArticle

    fungicides
    apples
    cultivars
    phytotoxicity
    gold
    2002
    6 Citations (Scopus)

    Impact of apple rootstock/cultivar on processing market profitability

    Harper, J. K., Crassweller, R. M. & Smith, D. E., Apr 1 2002, In : Journal of the American Pomological Society. 56, 2, p. 112-117 6 p.

    Research output: Contribution to journalArticle

    processing market
    profitability
    rootstocks
    apples
    cultivars
    7 Citations (Scopus)

    Penn State High Tunnel extension program

    Lamont, W. J., Orzolek, M. D., Holcomb, E. J., Crassweller, R. M., Demchak, K., Burkhart, E., White, L. & Dye, B., Oct 2002, In : HortTechnology. 12, 4, p. 732-735 4 p.

    Research output: Contribution to journalArticle

    extension programs
    tunnel
    plasticulture
    extension education
    gardeners
    2001
    4 Citations (Scopus)

    Location affects performance of 'Golden Delicious', 'Jonagold', 'Empire', and 'Rome Beauty' apple trees on five rootstocks over ten years in the 1990 NC-140 cultivar/rootstock trial

    Autio, W. R., Anderson, J. L., Barden, J. A., Brown, G. R., Crassweller, R. M., Domoto, P. A., Erb, A., Ferree, D. C., Gaus, A., Hirst, P. M., Mullins, C. A. & Schupp, J. R., Jul 1 2001, In : Fruit Varieties Journal. 55, 3, p. 138-145 8 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    cultivars
    fruits
    tree trunk
    10 Citations (Scopus)

    Location affects performance of 'Golden Delicious', 'Jonagold', 'Empire', and 'Rome Beauty' apple trees on five rootstocks over ten years in the 1990 NC-140 Cultivar/Rootstock Trial

    Autio, W. R., Anderson, J. L., Barden, J. A., Brown, G. R., Crassweller, R. M., Domoto, P. A., Erb, A., Ferree, D. C., Gaus, A., Hirst, P. M., Mullins, C. A. & Schupp, J. R., Jul 1 2001, In : Journal of the American Pomological Society. 55, 3, p. 138-145 8 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    cultivars
    fruits
    tree trunk

    Performance of 'Golden Delicious', 'Jonagold', 'Empire', and 'Rome Beauty' apple trees on five rootstocks over ten years in the 1990 NC-140 cultivar/rootstock trial

    Autio, W. R., Anderson, J. L., Barden, J. A., Brown, G. R., Crassweller, R. M., Domoto, P. A., Erb, A., Ferree, D. C., Gaus, A., Hirst, P. M., Mullins, C. A. & Schupp, J. R., Jul 1 2001, In : Fruit Varieties Journal. 55, 3, p. 131-137 7 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    cultivars
    suckering
    tree trunk
    13 Citations (Scopus)

    Performance of 'Golden Delicious', 'Jonagold', 'Empire', and 'Rome Beauty' apple trees on five rootstocks over ten years in the 1990 NC-140 Cultivar/Rootstock Trial

    Autio, W. R., Anderson, J. L., Barden, J. A., Brown, G. R., Crassweller, R. M., Domoto, P. A., Erb, A., Ferree, D. C., Gaus, A., Hirst, P. M., Mullins, C. A. & Schupp, J. R., Jul 1 2001, In : Journal of the American Pomological Society. 55, 3, p. 131-137 7 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    cultivars
    suckering
    tree trunk
    2 Citations (Scopus)

    Performance of trees in the 1990 NC-140 apple cultivar/rootstock planting: Additional cultivars and rootstocks

    Hirst, P. M., Autio, W. R., Barden, J. A., Brown, G. R., Crassweller, R. M., Domoto, P. A. & Schupp, J. R., Jul 1 2001, In : Fruit Varieties Journal. 55, 3, p. 178-184 7 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    planting
    cultivars
    Midwestern United States
    2 Citations (Scopus)

    Performance of trees in the 1990 NC-140 apple cultivar/rootstock planting: Additional cultivars and rootstocks

    Hirst, P. M., Autio, W. R., Barden, J. A., Brown, G. R., Crassweller, R. M., Domoto, P. A. & Schupp, J. R., Jul 1 2001, In : Journal of the American Pomological Society. 55, 3, p. 178-184 7 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    planting
    cultivars
    Midwestern United States
    2000
    5 Citations (Scopus)

    Automated cycled sprinkler irrigation system for frost protection of apple buds

    Koc, A. B., Heinemann, P. H., Crassweller, R. M. & Morrow, C. T., May 2000, In : Applied Engineering in Agriculture. 16, 3, p. 231-240 10 p.

    Research output: Contribution to journalArticle

    Frost protection
    sprinkler irrigation
    Malus
    frost
    irrigation systems
    7 Citations (Scopus)

    Performance of 'Gala' apple on 18 dwarf rootstocks: Five-year summary of the 1994 NC-140 dwarf rootstock trial

    Marini, R. P., Anderson, J. L., Autio, W. R., Barritt, B. H., Cline, J. A., Cowgill, W. P., Crassweller, R. M., Domoto, P. A., Ferree, D. C., Garner, J., Gaus, A., Greene, G. M., Hampson, C., Hirst, P., Kushad, M. M., Mielke, E., Mullins, C. A., Parker, M., Perry, R. L., Privé, J. P. & 7 others, Reighard, G. L., Robinson, T., Rom, C. R., Roper, T. R., Schupp, J. R., Stover, E. & Unrath, R., Apr 1 2000, In : Fruit Varieties Journal. 54, 2, p. 92-107 16 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    dwarfing
    cooperatives
    Malus
    21 Citations (Scopus)

    Performance of 'Gala' apple on 18 dwarf rootstocks: Five-year summary of the 1994 NC-140 dwarf rootstock trial

    Marini, R. P., Anderson, J. L., Autio, W. R., Barritt, B. H., Cline, J. A., Cowgill, W. P., Crassweller, R. M., Domoto, P. A., Ferree, D. C., Garner, J., Gaus, A., Greene, G. M., Hampson, C., Hirst, P., Kushad, M. M., Mielke, E., Mullins, C. A., Parker, M., Perry, R. L., Privé, J. P. & 7 others, Reighard, G. L., Robinson, T., Rom, C. R., Roper, T. R., Schupp, J. R., Stover, E. & Unrath, R., Apr 1 2000, In : Journal of the American Pomological Society. 54, 2, p. 92-107 16 p.

    Research output: Contribution to journalArticle

    rootstocks
    apples
    dwarfing
    cooperatives
    Malus
    1995
    52 Citations (Scopus)

    Machine vision inspection of 'golden delicious' apples

    Heinemann, P. H., Varghese, Z. A., Morrow, C. T., Sommer, III, H. J. & Crassweller, R. M., Nov 1 1995, In : Applied Engineering in Agriculture. 11, 6, p. 901-906 6 p.

    Research output: Contribution to journalArticle

    Computer vision
    Inspection
    Color
    Image analysis
    1994
    6 Citations (Scopus)

    Automation of an intermittent overhead irrigation frost protection system for an apple orchard

    Heisey, L. W., Heinemann, P. H., Morrow, C. T. & Crassweller, R. M., Sep 1 1994, In : Applied Engineering in Agriculture. 10, 5, p. 669-675 7 p.

    Research output: Contribution to journalArticle

    Frost protection
    overhead irrigation
    surge irrigation
    Orchards
    Automation