Choiced the selfs w260 as female parent and shoced the selfs 411 as male parent, we have the high yield and quality hybride strain bidan-10 in 1993.The agricultral examine committee of BiJie indentified it in 2000,12.The agricultral examine committee of GuiZhou indentified it in 21,7,2003.This variety have high ande stable yield. The quality and resistance is well. From 1999 to 2002, this variety have demonstrated and extened 25733 hm2; increasing in yield was 1676.21 ten thousand kg; increasing invalue was 1609.17 ten thousand RMBs; social and economic performance was so extremely.