Table 2: Results from substate disease resistance comparison of group means between public and private wheat varieties in the North East Kansas (2004–2008).

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

BYDPublic276.1
Private116.9No
WSMPublic306.4
Private155.9No
SBMPublic291.6
Private141.6No
Leaf rustPublic 307.3
Private156.1Yes
Stripe rustPublic304.3
Private144.1No
PMPublic305.3
Private146.3No

(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.