An amended description was approved for the variety Royalty based on data from additional testing for Aphanomyces Root Rot. For the original description, see: Varietal Publication No. CXXIX, March 1990.
Aphanomyces Root Rot
Test conducted by W-L Research at Evansville, WI
Resistance Year Syn. Unadjusted Adjusted Score on
Variety Class Tested Gen. %R %R ASI
Royalty LR 1990 2 10 4.10
WAPH-1 R 60 2.53
Agate S 5 4.24
Test Mean: 13 3.95
LSD (.05) 7 0.25
CV (%) 33 4.0
Scoring system used: Plants scored 1-5, with 1 and 2 considered resistant and 5=dead plant.