Nitrate Reductase (NR) is a rating-limit and key enzyme of nitrate assimilation in plants ,so ,NR activity is important for growth,development and the dry matte
Physiological meturity stage,kel water content in physiological maturity and natural drydown rate of 42 maize inbred lines and 8 hybrids were studied in field t
Physiological studies of soybean [Glycine max(L.)Merr.]genotypes with wide differences in seed protein concentration may permit detection of important yield-rel
The screening for Black rot(Xanthomonas campestris PV.campestris)resistance in broccoli (Brassica oleracea L.Var.italica Planch) lines plays an important role i
Based on the concepts of species and speciation,the speciation of Black-necked Grane(Grus nigricollis) was discussed using bio-geographic principles and some ev