{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/19587"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/19587","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"In vitro micropropagation, evaluation of disease resistance and hardiness of several new rose cultivars","abstract":"New hardy rose cultivars, R. hybrida 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' and R. rugosa 'Henry Hudson' and 'Jens Hunk' were successfully propagated in vitro. Stem pieces containing axillary buds, leaves and roots of these cultivars were the source of explants. Shoots obtained from axillary buds proliferated when they were cultured on a modified MS medium supplemented with combinations of BA and TDZ. Leaves and roots of 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' failed to regenerate shoots in vitro.","abstract_html":"New hardy rose cultivars, R. hybrida 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' and R. rugosa 'Henry Hudson' and 'Jens Hunk' were successfully propagated in vitro. Stem pieces containing axillary buds, leaves and roots of these cultivars were the source of explants. Shoots obtained from axillary buds proliferated when they were cultured on a modified MS medium supplemented with combinations of BA and TDZ. Leaves and roots of 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' failed to regenerate shoots in vitro.","abstract_has_math":false,"creators":["Ameen, Sami Kareem"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Crop Sciences","degree_department":null,"school":null,"contributors":["Meyer, Martin M."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T12:12:16Z","date_published":"2011-05-07T12:12:16Z","updated_at":"2026-07-22T22:25:14Z","subjects":["Agriculture, Plant Culture"],"languages":["eng"],"rights":["Copyright 1989 Ameen, Sami Kareem"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9010793","(UMI)AAI9010793"],"render_values":[{"text":"AAI9010793","href":null,"code":true},{"text":"(UMI)AAI9010793","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/19587","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Meyer, Martin M."]},{"key":"dc:creator","label":"Author","values":["Ameen, Sami Kareem"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T12:12:16Z","10000-01-01","1989"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Crop Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Agriculture, Plant Culture"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1989 Ameen, Sami Kareem"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9010793","(UMI)AAI9010793","http://hdl.handle.net/2142/19587"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["New hardy rose cultivars, R. hybrida 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' and R. rugosa 'Henry Hudson' and 'Jens Hunk' were successfully propagated in vitro. Stem pieces containing axillary buds, leaves and roots of these cultivars were the source of explants. Shoots obtained from axillary buds proliferated when they were cultured on a modified MS medium supplemented with combinations of BA and TDZ. Leaves and roots of 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' failed to regenerate shoots in vitro.","Histological studies of the proliferated shoots of 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' cultured in vitro indicated that there were no signs of any adventitious shoot initiation in any of the proliferating shoots.","Shoots of 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' failed to root when they were cultured on a modified MS medium only. Addition of NAA or IBA, AC to the medium stimulated rooting. When the MS salt strength was reduced to $1\\over2$ or $1\\over4$ with or without auxins in the medium, rooting was enhanced. An elevated sucrose concentration in the medium stimulated root initiation. Rooting of 'Carefree Beauty' and 'Prairie Youth' cuttings derived from in vitro micropropagated shoots was promoted if the cuttings were dipped in IBA solution before planting directly in soil.","Hardiness and disease resistance of seventeen new rose cultivars were studied. The observations of first year trials indicated that these cultivars were highly resistant to black spot, whereas, the growing season of 1988-1989 might not have been favorable for the powdery mildew infection. These newer roses were also able to survive the first cold winter of Illinois which killed the hybrid tea cultivars used for comparison.","Made available in DSpace on 2011-05-07T12:12:16Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9010793.pdf: 3690121 bytes, checksum: 08613e97f619ae57cd0cf06231449d96 (MD5) Previous issue date: 1989","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:38:03Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:15:47-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"]},{"key":"dc:title","label":"Title","values":["In vitro micropropagation, evaluation of disease resistance and hardiness of several new rose cultivars"]}]}],"canonical_facts":{"dc:contributor":["Meyer, Martin M."],"dc:creator":["Ameen, Sami Kareem"],"dc:date":["2011-05-07T12:12:16Z","10000-01-01","1989"],"dc:description":["New hardy rose cultivars, R. hybrida 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' and R. rugosa 'Henry Hudson' and 'Jens Hunk' were successfully propagated in vitro. Stem pieces containing axillary buds, leaves and roots of these cultivars were the source of explants. Shoots obtained from axillary buds proliferated when they were cultured on a modified MS medium supplemented with combinations of BA and TDZ. Leaves and roots of 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' failed to regenerate shoots in vitro.","Histological studies of the proliferated shoots of 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' cultured in vitro indicated that there were no signs of any adventitious shoot initiation in any of the proliferating shoots.","Shoots of 'Carefree Beauty', 'Prairie Youth' and 'John Frobisher' failed to root when they were cultured on a modified MS medium only. Addition of NAA or IBA, AC to the medium stimulated rooting. When the MS salt strength was reduced to $1\\over2$ or $1\\over4$ with or without auxins in the medium, rooting was enhanced. An elevated sucrose concentration in the medium stimulated root initiation. Rooting of 'Carefree Beauty' and 'Prairie Youth' cuttings derived from in vitro micropropagated shoots was promoted if the cuttings were dipped in IBA solution before planting directly in soil.","Hardiness and disease resistance of seventeen new rose cultivars were studied. The observations of first year trials indicated that these cultivars were highly resistant to black spot, whereas, the growing season of 1988-1989 might not have been favorable for the powdery mildew infection. These newer roses were also able to survive the first cold winter of Illinois which killed the hybrid tea cultivars used for comparison.","Made available in DSpace on 2011-05-07T12:12:16Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9010793.pdf: 3690121 bytes, checksum: 08613e97f619ae57cd0cf06231449d96 (MD5) Previous issue date: 1989","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:38:03Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:15:47-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI9010793","(UMI)AAI9010793","http://hdl.handle.net/2142/19587"],"dc:language":["eng"],"dc:rights":["Copyright 1989 Ameen, Sami Kareem"],"dc:subject":["Agriculture, Plant Culture"],"dc:title":["In vitro micropropagation, evaluation of disease resistance and hardiness of several new rose cultivars"],"dc:type":["text"],"thesis:degree_discipline":["Crop Sciences"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:14Z"}