Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percentage of Waneta × Pike offspring expressing varying degrees of foliar (A) mosaic, (B) vein necrosis, (C) leaf necrosis, and tuber symptoms (D) (PTNRD). See Figure 1 and Figure 2 for symptom scales. NA, number of clones that did not produce tubers (i.e., PTNRD was not evaluated for them); PTNRD, potato tuber necrotic ringspot disease.
