The approach enabled his team to compare, in replicated field trials across various environments, CST among every «super sweet» processing
sweet corn hybrid provided by the seed industry, which included 26 hybrids from 8 companies.
The team tested a fresh - market
sweet corn hybrid varying in the absence or presence of the GR+B t transgenes; Passion and Passion II, respectively.
Williams obtained data from an anonymous vegetable processing company, representing more than a decade of
sweet corn hybrid assessment trials across the upper Midwest and the Pacific Northwest.
A few hybrids had above - average yield or above - average stability, but none had both, suggesting the «ideal»
sweet corn hybrid does not yet exist.
In a recently published study, Williams identified a more efficient method for comparing and identifying processing
sweet corn hybrids for CST.
Not exact matches
Our work is about how yield stability of individual
hybrids actually relates to
hybrid adoption in
sweet corn,» he says.
«Because of time and labor constraints in processing
sweet corn, comparing more than a few
hybrids with the «field
corn approach» is impractical,» Williams said.
At the time the main concern for plant breeders was pollen movement between different strains of crops — if a variety of
sweet corn was contaminated by pollen from a popcorn variety, then the resulting
hybrid offspring would produce seeds that were unusable for market purposes or for selecting new varieties.
For example, I buy only
hybrid sweet corn seed, usually a variety called Vision ($ 26.90 / lb).