( 4 ) transformation of mdmv - cp gene mdmv - cp gene was successfully into r18 . w18 and 501 in 2001 fall , each material being bombed 20 , 15 , and 10 plates . 213 bastar ( effective constitution ppt ) resistant plants were obtained of which r18 , w18 and 501 resistant plants counted 103 , 90 , and 20 plants respectively . molecular test was undergoing O ) mdmvcp因的邀傳轉(zhuǎn)化于2001年秋用基因槍將mdmvcp基因巾35scpbar質(zhì)粒)導(dǎo)入、 w18 、 501三個優(yōu)良自交系,利用已建立好的遺傳轉(zhuǎn)化體系,經(jīng)抗性篩選、分化、壯苗等步驟,已得到抗bastar (有效成分ppt )植株213棵,其中r18103株、 w1890株、 50120株。