抗虫棉已成为湖北省主栽棉花品种类型。据调查,2001年约7万公顷,占棉田面积的20%;2004年达到13万公顷,占棉田面积的35%。与推广面积相比,抗虫棉优质高产配套栽培技术研究还很薄弱。为此,在农业部优质棉基地县科技服务项目的资助下,通过生产调研和专题研究,结合生产示范总结出一 Bt cotton has become the main type of cotton varieties in Hubei Province. According to the survey, about 70,000 hectares were made in 2001, accounting for 20% of the total area of ​​the cotton field. In 2004, the area reached 130,000 hectares, accounting for 35% of the total area of ​​the cotton field. Compared with the promotion of area, high-yielding insect-resistant cotton cultivation technology is still very weak. To this end, the Ministry of Agriculture, cotton base counties County Science and Technology Services funded projects, through production research and special studies, combined with the production of a summary of a demonstration