本研究针对甘草药材市场种子来源混乱、物种误标严重的问题，开发了一种低成本、快速的PCR-RFLP分子鉴定技术。通过ITS区域酶切分析，研究人员发现市售190粒"甘草"种子中仅4粒为纯正Glycyrrhiza uralensis，绝大多数为G. glabra、G. inflata及其杂交种。该技术为甘草种质 ...

Infectious laryngotracheitis (ILT) has been identified in most countries around the world and remains a threat to the intensive poultry industry. Outbreaks of mild to moderate forms of ILT are common ...