Full TGIF Record # 252625
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Web URL(s):http://www.sciencedirect.com/science/article/pii/S0304423811004912
    Last checked: 01/05/2015
    Access conditions: Item is within a limited-access website
Publication Type:
Author(s):Han, Lei; Luo, Dong; Li, Deying; Qian, Yongqiang; Sun, Zhenyuan
Author Affiliation:Han, Luo, Qian, and Sun: Research Institute of Forestry, Chinese Academy of Forestry/Key Laboratory of Tree Breeding Forest Cultivation, State Forestry Administration, Beijing, China; Li: Department of Plant Sciences, North Dakota State University, Fargo, ND
Title:A male- and female-sterile mutant of Kentucky bluegrass (Poa pratensis L.) induced by space radiation
Source:Scientia Horticulturae. Vol. 131, No. 1, November 22 2011, p. 67-73.
# of Pages:7
Publishing Information:Amsterdam, Elsevier
Keywords:TIC Keywords: Cultivar evaluation; Gene isolation; Genetic factors; Mutants; Poa pratensis; Radiation; Reproductive sterility
Cultivar Names:PM2
Abstract/Contents:"Female sterile plants are ideal for isolating genes involved in megasporogenesis and for investigating gene functions. Engineered female and male sterilities in plants have been considered as a way to reduce the potential of invasive species by eliminating seed set and to prevent gene flow between genetically modified species. A dwarf mutant 'PM2' induced by carrying 'Nassau' Kentucky bluegrass seeds to outer space lost the ability to produce seeds under either field conditions or artificial flower induction, whereas the untreated control was normal. Comparative study of microspore, macrospore, and embryo sac at different developmental stages along with controlled pollination showed that the PM2 mutant is likely both male and female sterile. The apoporous embryo development in PM2 aborted at globular stage prior to coleoptile formation. Multiple genes may be involved in the mutation based on the evidence observed from the morphology and anatomy of the mutant."
Note:Pictures, color & b/w
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Han, L., D. Luo, D. Li, Y. Qian, and Z. Sun. 2011. A male- and female-sterile mutant of Kentucky bluegrass (Poa pratensis L.) induced by space radiation. Scientia Horticulturae. 131(1):p. 67-73.
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DOI: 10.1016/j.scienta.2011.09.018
Web URL(s):
    Last checked: 01/05/2015
    Access conditions: Item is within a limited-access website
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MSU catalog number: b4895016~S1a
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