11.   Their only major pests are slugs and black-vine weevils, which eat little holes in the leaves.

12.   They say the decline is largely because of the reduced threat of the European corn borer, a major pest of corn in the Midwest.

13.   Bt corn has been touted by the industry as a way to fight a major pest without using chemicals.

14.   He said endosulfan was used to control Heliothis caterpillars, a major pest on cotton farms, and the timing was consistent with the spraying period.

15.   StarLink corn was genetically engineered to produce a corn plant that is better resistant to a major pest, the European corn borer.

16.   The corn, known as Bt, contains a bacterium gene that makes the plant toxic to moth larvae that are a major pest to farmers.

17.   The corn and cotton contain a bacterium gene that is inserted into the plant to produce a toxin that kills a major pest, the European corn borer.

18.   The most popular and most controversial type of biotech corn is genetically modified to kill a major pest, the European corn borer.

19.   The strain is called Bt corn and has been touted by the industry as a way to fight a major pest without using chemicals.

20.   Within a year, all the major pests were under control, using natural predators like wasps and flies and very limited pesticide spraying.