TY - RPRT TI - Sequential functioning of Sym-13 and Sym-31, two genes affecting symbiosome development in root nodules of pea (Pisum sativum L.). AU - A Y Borisov AU - S M Rozov AU - V E Tsyganov AU - E V Morzhina AU - V K Lebsky AU - I A Tikhonovich PY - 1997 DO - 10.1007/s004380050456 UR - https://pubmed.ncbi.nlm.nih.gov/9197420/ ID - 9197420 ER -