Histological localization of citrus infectious variegation virus (CVV) inPhaseolus vulgaris |
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Authors: | F M Gerola G Lombardo A Catara |
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Institution: | (1) Present address: Istituto di Scienze Botaniche dell'Università di Milano, Italy;(2) Istituto di Patologia Vegetale dell'Università di Catania, Italy |
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Abstract: | Summary Ultrathin sections ofPhaseolus vulgaris leaves were studied in the electron microscope. The leaves were taken from plants, both healthy and experimentally infected with CVV. The sieve tubes and companion cells of all samples contained a slime-like substance, more or less organized into compact systems. In the mature sieve elements of virus-infected plants systems of parallel membranes were seen along which spherical particles, of about 30 m diameter, were aligned in simple rows.Pubbl No. 117 of Gruppo di Ricerca per le Virosi, del C. N. R. |
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