Supporters claim that bt brinjal could cut losses from insect damage by over 50 % , and pesticide usage by 80 % .
支持者们称bt茄子能减少超过50%的虫害损失并减少80%的杀虫剂用量。
This overruled the recommendation last october by india 's genetically engineered approvals committee ( geac ) that bt brinjal was safe , in spite of being modified with a gene from the soil bacterium , bacillus thuringiensis .