Keywords: Spiro.jpg Corn Stunt Spiroplasma in phloem cells Thick section 0 4 micrometers observed in a TEM Magnified 75 000X http //emu arsusda gov/typesof/pages/spiro html not specified author PD-USGov Check categories 2008 November 25 en wikipedia Spiroplasma ja wikipedia ファーミã‚ãƒ¥ãƒ¼ãƒ†ã‚¹é– Spiroplasma Diseases and disorders of plants |