Formation and Development on the Conception of Heterotic Group and Their Heterotic Pattern in Maize(Zea mays L.)
ZENG Meng-qian, JI Hai-lian, LI Jiu-yun, SANSEN Jianpatong
ACTA AGRICULTURAE BOREALI-SINICA . 2007, (6): 30 -37 .  DOI: 10.7668/hbnxb.2007.06.007