To provide physiological basis for the genetic improvement of hybrid rice with photoinhibition or photooxidation tolerance, we measured physiological indexes re
<正> Sixty-eight ancient cultivated rice grains of 10 ruins of 2000-15000 BP in theChangjiang River valley were studied by analyzing grain shape, using discri-m
Cd, Pb, Cu, Zn, and As are typical pollutants originated from Pb-Zn mine, smelting waste water discharge/irrigation and gas emission,and they were distributed w
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