1920.] Potatoes Immune from Wart Disease. 51 



Composition of certain Samples of Immune Varieties of Potatoes 

 grown in Glamorganshire, 191 7. 











Average 





Dry 



Nitrogen in 



Nitrogen in 



Weight of 



Variety. 



Matter. 



dry Matter. 



fresh Tuber. 



Tuber in 



1 





Sample. 





Per cent. 



Per cent. 



Per cent. 



Grams. 



Duchess 



24-63 



1-628 



•402 



202-0 



Rector 



24-27 



1 -402 



'34° 



201 -6 



Arran Victory 



24*59 



I *4 I 5 



•348 



i 4 6-8 



Arran Rose 



2 5*59 



1-380 



*353 



167-5 



Bishop 



24*44 



1*523 



*37 2 



158-3 



White City 



25*00 



1*538 



•385 



191*4 



Majestic 



22 -41 



1*584 



'355 



176-8 



Arran Comrade 



24-31 



1 -6io 



•391 



I55'3 



Ally 



22-76 



1 '607 



•366 



165-8 



Flour Ball . . 



22-20 



1-825 



•405 



I29'2 





22 -13 



1 -423 



*3 I 5 



I 63"5 



Witch Hill . . 



23-19 



1-969 



"457 



131*7 



Resistant Snowdrop 



23 75 



1-631 



•387 



153*7 



Tinwalds' Perfection 



24*35 



i*657 



•403 



114-7 



Leinster Wonder . . 



27*32 



1-643 



•400 



141-8 



Kerr's New White. . 



26-58 



1*564 



•416 



144*7 



Dargill Early 



21*98 



1-984 



•436 



III -o 



Provost 



24-77 



1 -621 



•401 



114-8 



Nithsdale 



22-43 



1-817 



•407 



202-3 



Improved Ashleaf . . 



22 "ii 



1-884 



•417 



III '2 



Burnhouse Beauty .. 



24*56 



1-851 



'455 



I IO -4 



Kerr's Pink 



22-92 



1-632 



'374 



I46*3 



Average 



23-92 



1-65 



•390 



I5I-8 



