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作为世界四大鲜切花之一的唐菖蒲极易感染病虫害,而我国缺乏唐菖蒲诊断方面的专家,且易经常造成诊断不当或者延误最佳诊断时间等情况,从而造成不必要的损失.本研究结合专家系统的基本原理,设计构建了基于Web的唐菖蒲病虫害诊断与防治专家系统,以期能为栽培者诊断与防治唐菖蒲的病虫害提供科学指导.系统采用基于规则的知识表示方法及基于可信度的推理方式,利用VB.NET2005、SQLSERVER2000,采用浏览器/Web/服务器体系开发.用户可以通过浏览器快速的进行专家咨询、病害诊断与防治,从而实现唐菖蒲病虫害诊治的智能化.“,”As one of the four world-famous cut flowers, gladiolus is in good graces of majority for growers. But the gladiolus is easily infected by pests and diseases, which has a negative impact on gladiolus ornamental value and cultivation management. Lack of gladiolus diagnosis experts in China often leads to improper diagnosis or delay of the best diagnostic time, which results in unnecessary losses. This study combined with the basic principles of the expert system, designed and constructed the Web-Based Expert Systems for gladiolus diagnosis and control of diseases and pests, in order to provide scientific guidance for grower diagnosis and prevention of gladiolus pests and diseases. The system adopted rule-based knowledge representation and reasoning based on credibility, as well as the combination of hybrid reasoning strategy. It was developed with using VB.NET2005/SQL SERVER 2000, amd the browser/Web/server system. Users could quickly achieve expert consultation, and receive specialized knowledge on gladiolus and prevention of disease diagnosis, to realize intelligently diagnosing and treating the gladiolus.