Anther Extrusion and Fusarium Head Blight Resistance in European Wheat

被引:30
作者
Graham, Stewart [1 ]
Browne, Roy A. [1 ]
机构
[1] Queens Univ Belfast, Sch Biol Sci, Inst Agri Food & Land Use, Belfast BT9 5AG, Antrim, North Ireland
关键词
retained anthers; trapped anthers; IN-VITRO; GRAMINEARUM; COMPONENTS; INFECTION; ASSAY;
D O I
10.1111/j.1439-0434.2008.01524.x
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Anther extrusion has been widely discussed as a factor influencing fusarium head blight (FHB) resistance in wheat. This is despite a paucity of quantitative information on its importance, between cultivars, in contrast to that for heading date and plant height. We describe a method applicable to a plant breeding situation at 10 days postanthesis, for assessing the distinct characteristics of anther retention (anthers held within the spikelet) and trapped anthers (partially extruded and trapped between the lemma and palea of the wheat spikelet). FHB resistance was tested in field experiments in 2004 and 2005. In these experiments designed to resemble applications to a plant breeding selection scheme anther retention was significantly correlated with FHB in 2004 (r = 0.26; P < 0.05) and 2005 (r = 0.26; P < 0.05). A higher proportion of anthers retained relating, albeit weakly, with increased FHB susceptibility in European wheat.
引用
收藏
页码:580 / 582
页数:3
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