No bumper crop of genetically altered plants

The world has never tasted US Patent 6,072,105 - a genetically engineered eggplant - and probably never will. Scratch biotech potatoes from the menu. And hold the genetically modified sweet corn.

Farming's biotechnology revolution is changing course.

After a decade of promises to transform agriculture and tens of millions of dollars in research and development, biotech firms and seed companies are scaling back their horizons. Instead of spreading their know-how to new farm products, they're narrowing their focus to a few major crops, such as corn and soybeans. The reason: Deepening consumer skepticism and tighter regulation worldwide are boosting costs and increasing the business risk of bringing bioengineered food to market.

Unless something changes, biotech proponents say only mega-crops pushed forward by mega-corporations will move from the lab to farmers' fields. Skeptics, meanwhile, are breathing sighs of relief. This much both sides can agree on: The once-vaunted biotech revolution is bypassing an increasing number of crops in a bold, perhaps risky, bid to survive.

"You don't see a lot of biotech okra or pumpkins out there," says Debi Warnick of Syngenta Seeds Inc. in Nampa, Idaho. "We're going to have more and more orphaned crops," like the eggplant.

Critics say such delays will give science time to assess the environmental and health impacts of altering plants' genes. "It is a positive sign that there is less pressure to adopt these crops," argues Jane Rissler, senior staff scientist with the Union of Concerned Scientists in Washington.

Consider the bioengineered eggplant. Developed in the 1990s by scientists at Rutgers University to resist a destructive beetle, the invention has gotten a cold shoulder from industry because it represents too minor a crop. For every acre US farmers devote to commercial eggplant, they raise more than 74,000 acres of wheat and 95,000 acres of corn. Not surprisingly, the biotech industry prefers bigger crops that offer more potential profit.

Six years ago, the nation's 1.4 million-acre potato crop looked viable for bioengineering. So biotech giant Monsanto introduced genetically engineered potato seed designed to resist a damaging virus. This spring, with commercial processors leery of genetically-modified organisms (GMOs), the company suspended sales of the product (although work continues in Mexico).

A sweet corn engineered by Syngenta could suffer a similar fate. Never mind that it reduces conventional pesticide spraying, which can be both costly and environmentally harmful. Processors don't want any trace of the corn's special gene, because it could kill their lucrative export markets to Europe, which demands GMO-free sweet corn, says Syngenta's Ms. Warnick.

More stringent regulation is forcing mid-sized companies to delay the introduction of new bioengineered crops. "It has definitely slowed down the introduction of new products," says Gary Koppenjan, spokesman for Seminis Inc., the world's largest fruit and vegetable seed company. The Oxnard, Calif., concern does sell one bioengineered squash. But the crop represents less than 1 percent of sales. Although the company continues biotech research, its next bioengineered vegetable won't emerge for another four to five years.

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