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The Occurrence of Phytoplasmas in Apple Trees Showing Branch Twisting |
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| Authors: | J Fránová |
| Institution: | Author's address: Department of Plant Virology, Institute of Plant Molecular Biology, Academy of Sciences of the Czech Republic, Branišovská31, 370 05 ČeskéBudějovice, Czech Republic (E-mail: ) |
| Abstract: | |
| Keywords: | apple branch malformation clover phyllody electron microscopy phytoplasmas polymerase chain reaction restriction fragment length polymorphism |