...16,10 . ' 9,0 7,0 9 0 '1 21 8,8 '8 4 7 0 7 6 7 6 8,8 8,7 mildews on B. racemosus and B. commutatus. He tested this in one case by infecting B. hordeaceus...the former were then used to infect B. commutatus. Salmon did not test the infecting capacity of the conidia produced on this host in this way. They may...

...(twelve trials), while it infected B. hordeaceus in one hundred per cent of the cases (thirty- four trials). Furthermore, conidia from B. commutatus failed...Steiner regards Alchemilla pastoralis as a "bridge" for Spharotheca humuli to pass from A. connirens to A. micans. The question of the degree of biologic specialization...

...mildew on B. racemosus to pass over to B. commutatus and also the reverse. In one case, Salmon infected B. hordeaceus with conidia from B. racemosus. The...the former were then used to infect B. commutatus. Salmon, however, did not test the infecting capacity of the conidia thus produced on B. commutatus....

...commutatus. Salmon tested this in one case by infecting B. hordeaceus with conidia from B. raccmosus. The conidia produced on the former were then used...Steiner regards Alchemilla pastoralis as a "bridge" for Sphaerothcca humuli to pass from A. connrcens to A. micaits. The question of the degree of biologic...