Through recurrent backcrossing in combination with molecular marker-assisted selection (MAS), restorer lines R8006 and Rl176 carrying Xa-21 , a gene having broa
<正>Relative tillering rate(RTR)increased linear-ly with the increasing of leaf N concentration(NLV)has been already reported.To testwhether this relationship c
<正> Rice blast(Magnaporthe grisea)is the most severe ricedisease.Using resistance varieties could be an effectiveway to control the disease although the resist