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Alan R. Orr
Researcher at University of Northern Iowa
Publications - 16
Citations - 198
Alan R. Orr is an academic researcher from University of Northern Iowa. The author has contributed to research in topics: Inflorescence & Primordium. The author has an hindex of 9, co-authored 16 publications receiving 194 citations.
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Journal ArticleDOI
Inflorescence development in two annual teosintes: Zea mays subsp. mexicana and Z. mays subsp. parviglumis.
Marshall D. Sundberg,Alan R. Orr +1 more
TL;DR: The ontogeny of tassels and ears in two annual Mexican teosintes, Zea mays subsp.
Journal ArticleDOI
Early inflorescence and floral development in Zea mays land race Chapalote (Poaceae)
Marshall D. Sundberg,Alan R. Orr +1 more
TL;DR: Inflorescence primordial growth suggests that a key character difference between teosinte and maize, distichous vs. polystichous arrangement of spikelets, may be related to size of the apical dome and/or rate of primordium production by the apicals meristem.
Journal ArticleDOI
Inflorescence development in a perennial teosinte: Zea perennis (Poaceae)
Alan R. Orr,Marshall D. Sundberg +1 more
Journal ArticleDOI
Inflorescence development in brassica campestris l.
TL;DR: Vegetative seedlings of the Ceres strain Brassica campestris L., a quantitative, long-day plant, were induced to flower by exposure to a 16-hr, long day cycle and Cytohistological and cytohistochemical changes associated with inflorescence development were examined.