Transmission of potato leafroll virus to or from tuber slices by aphids feeding through a membrane |
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| Authors: | J Syller D Peters |
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| Institution: | (1) Department of Virology, Agricultural University, POB 8045, 6700 EM, Wageningen, the Netherlands;(2) Present address: Institute for Potato Research, Młochów, 05-832, Rozalin, Poland |
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| Abstract: | Summary Eye-bearing slices, cut from healthy potato tubers and placed between Parafilm membranes, were inoculated with potato leafroll
virus (PLRV) byMyzus persicae. PLRV was detected by ELISA and by transmission tests in tuber slices and in plants grown from the slices of the susceptible
cv. Désirée, but not in those of the resistant cv. Arkula. These results suggest that PLRV replication and transport within
tuber phloem is controlled by specific mechanisms of resistance.M. persicae was also able to acquire and transmit PLRV toPl floridana from slices cut from tubers of infected plants. The aphids effectively transmitted PLRV from slices cut from the sprouting
rose end but they failed to transmit it from slices cut from the heel end of tubers. |
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| Keywords: | resistance inoculation of tuber slices infection of plants |
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