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Berberis thunbergii atropurpurea, also known as Red barberry, is a small ornamental shrub in the family Berberidaceae. In recent years, a phyllody symptom has been observed frequently, spreading in the shrubs in northwestern China. A phytoplasma 16S rDNA specific fragment was amplified by PCR from Berberis plants with the phyllody symptoms. DNA sequencing and restriction fragment length...
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