How to Choose a Varietal Blend
Do you know that the VB behind varieties such as AC™ Conquer VB and Goodeve VB stands for varietal blend? This indicates to a farmer the seed he is buying contains 10% of a blended variety, which is a susceptible midge refuge. The refuge is very important to make sure the midge have something else to feed off of, so there is no breakdown in the midge tolerance gene in the variety.