Table 3: Results from substate disease resistance comparison of group means between public and private wheat varieties in the South East Kansas (2004–2008).

Type of diseaseOwnershipNumber of varietiesMean Statistical significance of difference in group means (at 5%)

BYDPublic246.0
Private106.8No
WSMPublic276.1
Private135.8No
SBMPublic261.6
Private121.4No
Leaf rustPublic 277.3
Private126.0Yes
Stripe rustPublic274.4
Private124.3No
PMPublic275.2 No
Private126.1

(Source: Kansas Performance Tests with Winter Wheat varieties, 2004–2008. Reports of Progress 930, 947, 967, 982, and 999. Kansas State University, Manhattan). Note that disease resistance rankings range from 1–9, with 9 as the lowest resistance.