div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220218225b321f207f8b9adf6c8bcc99html5page1jpg target=_blank img data-url=documentphyto64n02-173-american-phytopathological-races-pathogenicity-and-phytopathologyhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Phyto64n02 173 - American Phytopathological Society · Races Pathogenicity and Phytopathology 64:173-177 173 174 PHYTOPATHOLOGY The roots of 18-day-old seedlings of cabbage loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsusreader039viewer20220218225b321f207f8b9adf6c8bcc99html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220218225b321f207f8b9adf6c8bcc99html5page2jpg target=_blank img data-url=documentphyto64n02-173-american-phytopathological-races-pathogenicity-and-phytopathologyhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Phyto64n02 173 - American Phytopathological Society · Races Pathogenicity and Phytopathology 64:173-177 173 174 PHYTOPATHOLOGY The roots of 18-day-old seedlings of cabbage loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsusreader039viewer20220218225b321f207f8b9adf6c8bcc99html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220218225b321f207f8b9adf6c8bcc99html5page3jpg target=_blank img data-url=documentphyto64n02-173-american-phytopathological-races-pathogenicity-and-phytopathologyhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Phyto64n02 173 - American Phytopathological...