Potato virus Y NTN isolate PB312 symptoms in the greenhouse-grown potato cultivar Yukon Gold include raised necrotic rings around the tuber eyes after 5 wk of storage at 4C.
Images: P. M. BALDAUF , S. M. Gray, and K. L. Perry . Department of Plant Pathology, Cornell University, 334 Plant Science, Ithaca, NY 14853, USA and USDA-ARS, PPRU, Ithaca, NY 14853, USA.
PVYn:o necrotic strain
Plants reaction to PVYn:o necrotic strain. Two of the pictures (plant and tuber) are from a greenhouse and one is from the field. The symptoms from the greenhouse plants on the foliage is very similar to what is observed on plants in the field.
Images: R. Singh, AAFC-Research
PMTV and PVYntn
The following pictures are of external and internal damage to tubers caused by PMTV and PVYntn.