Key points are not available for this paper at this time.
NODULE INITIATION . . . . . . . . . . . ... . . . . . ......... . . . . . .. .. .. . .. .. . . . . . . . . ... . . . . . . .. 193 Diff usible Signals from Plant to Bacterium 193 Diff usible Signals from Bacterium to Plant ........ 195 Induction of the Nodule Meristem.... . ....... . . . . . . . ....... . . . . . . . . . . . 196 Uninvaded Nodules ,. .... 197
N. J. Brewin (Fri,) studied this question.