板栗（Chestnut）属于山毛榉科（Fasaceae）栗属（CastaneaMill）植物，是世界上分布很广泛的一种重要的园艺作物，经济栽培价值很高．栗疫病（ChestnutBlight）是世界上最著名的森林病害之一，十九世纪末二十世纪初，该病使美洲栗遭到全面灭种的威胁，成为植物病害摧毁自然物 Chestnut, belonging to the genus Castanea Mill of the genus Fasaceae, is an important horticultural crop widely distributed in the world and economically cultivated. Chestnut Blight is one of the most famous forest diseases in the world. In the late nineteenth century and the early twentieth century, the disease threatened to be completely exterminated and became a plant disease to destroy natural things