In 2003, 15 new materials from the Changjiang River valley cotton-growing area were identified for resistance to pink bollworm.

• 摘要2003年，对长江流域棉区15份新材料进行了抗红铃虫鉴定，结果有8份材料高抗红铃虫，占鉴定材料的53.；33%25；