BREEDING FOR RESISTANCE TO EUROPEAN CORN BORER IN SWEET CORN

Breeding for Increased Sweetness in Sweet Corn

Sweetness, a creamy texture and aroma, along with desirable kernel color, good germination, and high yield, are the important traits for sweet corn. Various recessive mutants in corn expressed in the endosperm e.g. sugary1 (su1), sugary enhancer (se), shrunken2 (sh2), brittle1 (bt) etc., which improve quality traits such as sweetness, flavor and nutritive value have been used either singly or i...

Managing the Risk of European Corn Borer Resistance to Transgenic Corn: An Assessment of Refuge Recommendations

Industry and scientists have worked to develop a high-dose refuge management plan that can effectively delay European corn borer (ECB) resistance to new genetically modified pesticidal corn. For a high dose, the corn expresses enough pesticide to kill all but the most resistant corn borers. For refuge, producers plant a traditional corn variety that allows susceptible corn borers to thrive and ...

Managing European Corn Borer Resistance to Bt Corn with Dynamic Refuges

Genetically engineered Bt (Bacillus thuringiensis) corn provides farmers with a new tool for controlling the European corn borer (ECB). The high efficacy and potential rapid adoption of Bt corn has raised concerns that the ECB will develop resistance to Bt. The Environmental Protection Agency has responded to these concerns by requiring farmers to plant refuge corn. Current refuge requirements ...

Supplement to: Bt Corn & European Corn Borer: Long-Term Success Through Resistance Management, NCR-602

Understanding successful resistance management: the European corn borer and Bt corn in the United States.

The European corn borer, Ostrinia nubilalis Hübner (Lepidoptera: Crambidae) has been a major pest of corn and other crops in North America since its accidental introduction nearly a hundred years ago. Wide adoption of transgenic corn hybrids that express toxins from Bacillus thuringiensis, referred to as Bt corn, has suppressed corn borer populations and reduced the pest status of this insect i...