$2 MAINE AGRICULTURAL EXPERIMENT STATION. ICKDI. 



NOTES TAKEN IX THE FIELD. 



July 11. Potatoes just beginning to bloom. Xo blight of 

 any kind to be seen. All sprayed plots treated today for first 

 time and each row sprayed twice, once from the east and once 

 from the west, with single Yermorel nozzle. It began to rain 



after the plots were sprayed. 



July 21. All plots sprayed once with double Yermorel 

 nozzle. Untreated rows sprayed with lime and Paris green. 

 It began to rain after plants were sprayed. 



July 24. Potatoes in full bloom. Rows 1 to 16. Plants very 

 well covered with Bordeaux mixture. Rows 16 to 32 very little 

 indication of Boxal on foliage. Rows 33 to 48 Boxal readily 

 seen on foliage. Well distributed. Rows 49 to 64. Plants well 

 covered with Bordeaux mixture, although it does not show up as 

 plainly as on rows I to 16. Rows 65 to 80. Leaves fairly well 

 covered with Bordeaux mixture. Rows 81 to 96. Bordeaux 

 shows up about the same as Boxal on rows ^^ to 48. Rows 97 

 and beyond well covered with Bordeaux mixture. 



July 25. Heavv Rain. 



July 2~. All plants sprayed. The mixtures were applied 

 from the direction opposite to that of July 21. 



Aug. 1. Heavy shower last night. Field still white with 

 bloom. The tops are nearly touching between the rows all over 

 the field. On the very steep slopes, and particularly at the foot, 

 plants did not get as well sprayed. Rows 1 to 16. Bordeaux 

 mixture on all the leaves except the very newest. Rows 17 to 32. 

 Boxal shows a little on the leaves. Rows 33 to 48. Boxal shows 

 much plainer than on rows 17 to 32. Rows 49 to 64. Bordeaux 

 mixture about as conspicuous as the Boxal on rows 33 to 48. 

 Rows 65 to 80. Bordeaux mixture conspicuous on all except 

 last new leaves. Rows 81 to 96. Bordeaux does not show as 

 evenly over the leaves as the regular Bordeaux does. Rows 97 

 and beyond. Bordeaux mixture well distributed. 



Aug. 3. Heaw rain. 



Aug. 8. Plants have grown 8 to 13 inches since last spraying 

 (July 271. Blossoms are beginning to fall. Xo signs of blight 

 unless it be five or six blackened leaves on rows 193 to 208. The 

 spraying still covers the old leaves. 



Aug. 10. Spraved rows 1 to 112. It thickened up and began 

 to sprinkle while rows 97 to 112 were being sprayed. The 



