紫罗兰花叶病毒 紫罗兰(Matthiola incana R.Br)原产南欧。我国多用做盆花、切花,或脱盆后在露地作花坛。被病毒为害的紫罗兰叶子变小,皱缩扭曲,叶子反卷、花叶、老叶黄化;花朵小,萎缩,有色花朵呈碎色。严重时植株矮小,提早枯萎。 取紫罗兰病叶,捣碎后用常规摩擦接种在鉴别寄主茴藜(C.quinoa)上,十天左右先在接种叶上形成局部褪绿斑,病斑近圆 Violet Mosaic Violets (Matthiola incana R.Br) native to southern Europe. Multi-purpose potted flowers, cut flowers, or take off the pot after the open field. Violet damage by the virus smaller leaves, shrinkage distorted, anti-roll leaves, mosaic, old leaves yellow; flowers small, atrophy, colored flowers were broken color. When the plant is serious, it will withered earlier. Violet leaves were taken, crushed and rubbed by conventional rubbing method to identify host C. quinoa. Ten days later, local chlorotic spots were formed on the inoculated leaves and the lesions were nearly round