At present, transgenic sweet corn is mainly transgenic Bt sweet corn.

Bt is the abbreviation of Bacillus thuringiensis, which produces a kind of Cry protein, which can kill corn borer and other pests and reduce the spraying of pesticides in the field.

The first transgenic sweet corn successfully developed is Bt- 1 1 sweet corn cultivated by Syngenta, Switzerland. This variety has not only been commercialized in the United States, Canada, Argentina and other countries, but also allowed to be used as food and feed in the European Union, which is more cautious about genetically modified foods.