SOME FURTHER EXPERIMENTS WITH POTATOS. 



87 



for comparison with one another. We have to thank Messrs. Cuth^ 

 bertson of Edinburgh ; Farmer of Moretonhampstead ; F. Howarth, 

 Water Engineer of Plymouth ; Poad of York ; Williamson of Mallow, 

 co. Cork ; and P. Veitch of Exeter for securing and supplying tubers 

 for this trial. 



Forty sprouted tubers of each stock were planted in two rows at 

 18 inches apart in the rows, the rows being 2 feet 6 inches apart, 

 in April under ordinary cultural conditions. They were sprayed 

 with Burgundy mixture twice, and lifted when the tops had died 

 down. The yields were as follows : 











Yield of 40 



Variety. 



Origin of Seed. 



Lifted. 





Tubers 







planted. 







1918. 





lb. 



oz. 



I. Sharpe s Express 



Ireland 



September 



18 



94 



7 



2. 



Moretonhampstead , 

 S. Devon 







139 



J 4 



3- 



Edinburgh 



" 





96 



1 



4- 



Scotland 



'■ 





163 



2 



*5- Duke of York 



Scotland 





20 



T „ 0 

 138 



M 



6. 



Moretonhampstead 



,, 



9 



57 



10 



7- 



Edinburgh 







45 



1 1 



*8. Royal Kidney 



Yorkshire 





24 



168 



1 



9- 



Plymouth 





no 



4 



*io. British Queen 



Yorkshire 





23 



210 



7 



11. 



Moretonhampstead 





175 



15 



12. 



lieiana 







168 



2 



13. 



Edinburgh 







126 



6 



14. Great Scot 



Edinburgh 



October 



2 



140 



9 



*I5. 



Yorkshire : 







173 



12 



IO. 



Morchard Bishop, 



•> 





70 



13 





N. Devon 









I7« 



Moretonhampstead 







185 



0 



34- 



Wis ley 





4 



149 



11 



io. King .h-dward 



Plymouth • 





3 



102 



6 



*I9- 



Scotland 







186 



8 



20. 



Edinburgh 







109 



7 



21. Arran Chief 



Ireland 





1 1 



162 



4 



22. 



Moretonhampstead 







167 



14 



23. 



Edinburgh 







67 



4 



*2 4 . 



Scotland 







184 



5 



25. 



Exeter (1 year from 

 Scotland) 







no 



4 



26. 



Exeter (3 years from 

 Scotland) 







90 



8 



27. 



Newton Poppleford, Devon 

 (2 years from Scotland) 







114 



5 



37. 



Wisley 







151 



7 



28. Up-to-Date • 



Broadclyst, Devon (1 year 

 from Scotland) 





4 



161 



2 



29. 



Ashburton, Devon (2 year; 

 from Scotland) 







106 



2 



30. 



Plymouth 







162 



5 



31. 



Moretonhampstead 







149 



11 



36. 



Wisley 







134 



15 



32. Factor 



Edinburgh 





7 



170 



7 



38. „ 



Wisley 





4 



149 



14 



33. Table Talk 



Plymouth 





7 



161 



8 



It will be seen that, with the exception of ' Duke of York/ the 

 Moretonhampstead seed compared favourably with that from Scotch 



