首页> 外文期刊>Plant Disease >Resistance to Fusarium Head Blight and Deoxynivalenol Accumulation in Virginia Barley
【24h】

Resistance to Fusarium Head Blight and Deoxynivalenol Accumulation in Virginia Barley

机译:弗吉尼亚大麦对镰刀菌枯萎病和脱氧雪腐酚积累的抗性

获取原文
获取原文并翻译 | 示例
           

摘要

Khatibi, P. A., Berger, G., Liu, S., Brooks, W. S., Griffey, C. A., and Schmale, D. G., III. 2012. Resistance to Fusarium head blight and deoxynivalenol accumulation in Virginia barley. Plant Dis. 96:279-284. Fusarium head blight (FHB), caused by the fungal plant pathogen Fusarium graminearum (teleomorph Gibberella zeae), is a devastating disease of barley (Hordeum vulgare) in the United States. Recent epidemics of FHB in the mid-Atlantic region have underscored the need to develop new commercial varieties of barley that are resistant to FHB and restrict accumulation of the mycotoxin deoxynivalenol (DON). FHB incidence, FHB index, and DON levels of Virginia hulled and hulless barley genotypes were evaluated over five years (2006 to 2010) in FHB nurseries in Virginia. FHB incidence ranged from 22.5% (2010) to 80.1% (2008), and mean DON levels ranged from 0.5+/-0.4 (2008) to 2.4 +/- 2.1 ppm (2010). Barley genotype played a significant role in determining FHB resistance in 2006 to 2009. DON levels were significantly different among barley genotypes in 2007, 2008, and 2009. FHB incidence was positively correlated with FHB index in all 5 years studied. In 2006 and 2010, FHB incidence and index were positively correlated with DON. Early spike emergence resulted in higher FHB incidence and index in 2007, 2008, and 2010. This preliminary work has identified some promising hulled and hulless barley genotypes for targeted breeding and commercialization efforts in FHB nurseries in the future; 'Eve' (hulless) and 'Thoroughbred' (hulled) ranked among the most FHB resistant genotypes.
机译:Khatibi,P.A.,Berger,G.,Liu,S.,Brooks,W.S.,Griffey,C.A.和Schmale,D.G.,III。 2012年。对弗吉尼亚大麦镰刀菌病和抗氧新戊烯醇积累的抵抗力。植物病96:279-284。由真菌植物病原体镰刀镰刀菌(teleomorph Gibberella zeae)引起的镰刀菌枯萎病(FHB)是美国的一种毁灭性大麦(大麦)病。大西洋中部地区最近发生的FHB流行病突出表明,需要开发对FHB具有抗性并限制霉菌毒素脱氧雪腐烯醇(DON)积累的大麦新商业品种。在五年(2006年至2010年)在弗吉尼亚州的FHB苗圃中评估了弗吉尼亚有壳和无壳大麦基因型的FHB发生率,FHB指数和DON水平。 FHB发生率从22.5%(2010)到80.1%(2008)不等,平均DON水平从0.5 +/- 0.4(2008)到2.4 +/- 2.1 ppm(2010)不等。大麦基因型在2006年至2009年对FHB耐药性的决定中起着重要作用。2007年,2008年和2009年,大麦基因型中的DON水平显着不同。在所有研究的5年中,FHB发生率与FHB指数均呈正相关。 2006年和2010年,FHB的发生率和指数与DON呈正相关。早期高峰的出现导致2007、2008和2010年FHB发生率和指数更高。这项初步工作已经确定了一些有前途的有壳和无壳大麦基因型,可用于未来FHB苗圃的定向育种和商业化工作。 “夏娃”(无病)和“纯种”(去壳)位居FHB耐药性最高的基因型之列。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号