STUDY ON SEED SET AND HETEROSES OF DISTANT CROSS OF UPLAND RICE( Oryza sativa) ×LONG-AWN-BARNYARD-GRASS( Echinochloa caudata)

LI Hui\|min\+1\ ZHAO Feng\|wu\+1\ LI Ai\|guo\+1\ BAI Li\|rong\+1\ ZHANG Jian\+1 ZHAO Ming\+2\ WANG Zhi\|min\+2\ ZHAO Xiu\|qin\+2 (1.Dry Land Farming Institute,HAAFS,Hengshui Hebei prov\ 053000; 2.Chinese Agricultural University,Beijing\ 100094)

Journal of Nuclear Agricultural Sciences ›› 2003, Vol. 17 ›› Issue (01) : 11-15.