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Virus Problems of Sweet Corn

Purple and yellowing of leaves of two different varieties caused by infection with BYDV/CYDV complex. In this case, the variety with the purpling leaves yielded RMV (unassigned strain); the variety with yellow leaves had a mixture (BYDV-PAV,CYDV-RPV, and RMV-unassigned).

Photo courtesy of T. A. Zitter, Cornell University, Ithaca, NY

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