Study shows promise for East Coast broccoli industry

Jan 09, 2013 by Kate Frazer
Study shows promise for East Coast broccoli industry
Thomas Björkman, assistant professor of horticulture, works with broccoli varieties adapted to the East Coast's hot and humid summers. Credit: Robyn Wishna

Chefs and home cooks in the eastern U.S. could soon have easier access to a local "super food," thanks to a Cornell-led team of researchers working to expand broccoli's availability at farms, farmer's markets and grocery stores from Maine to Florida.

is at the center of a nearly $1 billion a year U.S. industry, due in part to growing awareness of its health benefits. Broccoli has anti-inflammatory properties, is high in fiber and has been linked with improving and helping prevent certain cancers. Broccoli also contains phytonutrients that aid in detoxification, making it a fitting food for the New Year.

But despite increasing consumption, 90 percent of broccoli sold in the East is produced in California and Mexico, resulting in more food miles, greater and profits that leave the region, according to Thomas Björkman, associate professor of horticulture in the College of Agriculture and Life Sciences who is based at the New York State Agricultural Experiment Station in Geneva, N.Y.

Björkman is leading a team that includes researchers from public broccoli-breeding programs and private seed companies, production specialists and economists in building a regional food network for the vegetable. Their goal is to move production from isolated pockets to a year-round market worth $100 million a year.

Two years into the project, which is funded by a $3.2 million U.S. grant and supplemented by $1.7 million in matching funds from participating companies, the goal looks to be within reach.

"Most standard varieties developed for western climates have trouble lasting through hot and humid eastern summers," Björkman says. "But new genetics have allowed us to develop varieties that don't make misshapen heads when the weather turns consistently warm."

Over the past two summers, project staff at five field sites in western New York, Virginia, South Carolina, North Carolina and southern Maine tested dozens of recent varieties and new hybrid candidates developed by participating breeders. Several new crosses outperformed the best available commercial varieties. With the first new crosses making such a big advance, the team has high hopes for further breeding.

Summer-tolerant varieties could expand a growing season currently restricted to spring and fall, but to make the industry profitable, the team must also figure out distribution, says Miguel Gomez, assistant professor at Cornell's Charles H. Dyson School of Applied Economics and Management. Gomez has developed an economic model to identify cost-effective pathways for getting broccoli from the farm gate to the grocery store.

His model compares data from emerging eastern broccoli-producing regions with mainstream producing regions in California, Arizona and Mexico to determine the most cost-effective volumes and seasonal routes given production zones, consumption centers and production costs.

Results show the additional expense involved in producing broccoli in the eastern U.S. can be offset by savings in transportation costs. According to Gomez's model, a 30 percent increase in eastern acreage has the potential to reduce costs by $5 million a year under current diesel fuel prices.

Gomez also found that a year-round eastern broccoli industry would reduce the broccoli growing and transportation system's carbon footprint—translating into a reduction in carbon dioxide emissions of 1.4 million pounds per year, an amount roughly equivalent to taking 125 cars off the road.

"More problem solving is needed to identify optimal locations for growing and postharvest facilities and ways of keeping large amounts of broccoli cold," says Gomez. "But initial findings show that if we can answer those questions, we can have a strong industry here. It's broccoli today, but we hope the project can be a model for other crops."

'Recipe' for eastern broccoli

• Take three public breeders, who will use existing germplasm to develop hybrid combinations for improved disease resistance, ease of harvest, tolerance to heat and other stresses and high phytonutrient content.

• Add three seed companies that will scale up seed production and market new releases to eastern growers.

• Test varieties at five regional sites that will become demonstration sites for broccoli production.

• Combine five grower networks in the eastern U.S. that together can produce a year-round supply of fresh broccoli.

• Make one regional distribution network that sources broccoli from different grower networks at different times of the year.

Yield: a $100 million industry with reduced food miles and carbon emissions and increased year-round availability of a nutritious local vegetable.

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