Expt. No. 86-20

An amended description was approved for the variety 86-20 based on the data from additional testing for Aphanomyces Root Rot. For the original description, see: Varietal Publication No. CXXXIX, April, 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

86-20 LR 1990 2 12 3.94

WAPH-1 R 60 2.53

Resistance Year Syn. Unadjusted Adjusted Score on

Variety Class Tested Gen. %R %R ASI

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.