39 



Material 



Treatment 



Date 



Tem- 

 pera- 

 ture 



Number 



of 

 Plants 



Per- 

 cent- 

 age 

 All 

 Killed 



Per- 

 cent- 

 age 

 Total 

 Leaf 

 Area 

 Killed 



De- 

 pres- 

 sion 



White corn. 



White corn 



Corn 



Corn 



Tomato leaflets. 



Tomato leaflets. 



Tomato leaflets. 



Tomato leaflets. 



Tomato leaves.. 



Tomato leaves.. 



Kale leaves 



Kale leaves 



Lettuce leaves... 



Lettuce leaves. . 



Lettuce leaflets. 



Lettuce leaflets. 



Lettuce leaflets. 



Lettuce leaflets. 



Red Rock 



Cabbage leaflets 



Red Rock Cab- 

 bage leaflets. 



Red Rock Cab- 

 bage leaflets. 



Red Rock Cab 

 bage leaflets. 



Cabbage leaflets 



Cabbage leaflets 



Early Harvest 

 apple twigs 

 and leaves.. . 



Early Harvest 

 apple twigs 

 and leaves.. . 



Early Harvest 

 apple twigs 

 and leaves.. . 



Early Harvest 

 apple twigs 

 and leaves. . 



Early Harvest 

 apple twigs 

 and leaves... 



Early Harvest 

 apple twigs 

 and leaves.. . 



Early Harvest 

 apple twigs 

 and leaves... 



Shaded 

 Not shaded 

 Shaded. . . 

 Not shaded 

 Shaded. . . . 

 Not shaded 

 Shaded. . . . 

 Not shaded 

 Shaded 

 Not shaded 

 Shaded. 

 Not shaded 

 Shaded 

 Not shaded 

 Shaded. . . 

 Not shaded 

 Shaded. 

 Not shaded 



Shaded. . . . 



Not shaded 



Shaded. . . . 



Not shaded 

 Shaded. . . 

 Not shaded 



Shaded. . 

 Not shaded 

 Shaded. . . . 

 Not shaded 

 Shaded. . 

 Not shaded 

 Shaded. . . . 



June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 

 June 



June 



June 



June 



June 

 June 

 June 



June 



June 



June 



June 



July 

 July 

 July 



13,'13 

 13,'13 

 17/13 

 17,'13 

 19,' 13 

 19, '13 

 19/13 

 19/13 

 25/13 

 25/13 

 25/13 

 25/13 

 25/13 

 25/13 

 21/13 

 21/13 

 21/13 

 21/13 



20/13 



20/13 



20/13 



20/13 

 25/13 

 25/13 



28/13 



28/13 



28/13 



28/13 



1/13 



1/13 



1/13 



-4 



-4 



-3 



-3 



-2 



-2 



-3.5 



-3.5 



-4. 



-4 



-3.5 



-3.5 



-3.5 



-3.5 



-2.8 



-2.8 



-4 



-4 



-3.5 



-3.5 



15 



12 



7 



7 



34 



51 



35 



36 



6 



5 



5 



5 



6 



6 



13 



17 



18 



17 



14 



14 



18.8 

 0.0 



38.2 



0.0 



100.0 



47.2 



50.0 



40.0 

 100.0 



40.0 

 100.0 

 100.0 



23.0 



0.0 



100.0 



41.1 



0.0 



7.1 



53.3 



50.0 

 52.8 

 36.8 



0.0 



0.0 



34.0 



0.0 



0.0 



0.0 



0.0 



99.0 

 99.0 

 55.0 

 25.0 

 65.3 

 0.0 



100.0 

 63.9 

 87.0 

 55.0 



100.0 

 70.0 



100.0 



100.0 



50.0 



1.4 



100.0 

 66.1 



19.6 



7.1 



83.3 



77.0 

 77.7 

 63.1 



.728 

 .888 

 .835 

 1.035 

 .708 

 .848 

 .708 

 .848 

 .595 

 .752 

 .660 

 .790 

 .490 

 .590 

 .570 

 .740 

 .570 

 .740 



.860 



.955 



.860 



.955 

 .680 

 .875 



1.975 



2.438 



1.975 



2.438 



1.930 



2.252 



1.930 



