SUPPLEMENTS FOR COPPER FUNGICIDES 



99 



Table 1. — Suspension of 4-2-50 Bordeaux with Various Supplements. 



Supplement 



Check (average 28 tests). 

 Gums 



Arabic 



Tragacanth 



PectinfExtracts 



Agar-Agar 



Iceland Moss 



Mucilaginous Extracts 



Flaxseed Meal 



Linseed Meal 



(ether extracted) 



Quince Seed . 



Slippery Elm 



Miscellaneous Extracts 



Corn Stover 



Rye Straw 



Organic Acids 



Tannic 



Soaps 



Powder 



Inorganic Salts 

 Sodium Silicate (liquid). 



Sodium Silicate (dry). . . 



Earths 

 Bentonite 



Wilkinite. 



Hours 



Percentage of Supplement Added'. 

 000 0.008 0.016 0.024 0.032 0.048 0.080 0.160 0.801 1.603 



Percentage Suspension 



91.0 

 61.9 

 49.9 



91.0 

 79.9 

 65.9 



90.9 

 66.9 

 55.7 



87.9 

 67.1 

 55.2 



92.0 

 81.1 

 69.4 



85.9 

 59.9 

 47.2 



89.0 

 73.4 

 59.6 



82.9 

 65.2 

 56.8 



85.9 

 69.9 

 60.7 



89.3 

 79.3 

 70.8 



90.8 

 77.0 

 67.5 



80.9 

 59.2 

 53.5 



77.7 

 64.6 

 56.5 



92.3 

 83.3 

 74.3 



89.7 

 78.4 

 65.5 



91.7 

 82.2 

 73.1 



90.8 

 80.6 

 70.4 



92.5 

 80.4 

 70.0 



88.3 

 74.8 

 60.6 



92.5 

 81.6 

 71.6 



90.6 

 80.5 

 71.5 



70.9 

 58.3 

 53.1 



92.2 

 83.3 

 74.1 



90.8 

 79.9 

 68.0 



93.7 

 85.8 

 77.4 



90.9 

 80.7 

 70.5 



92.0 

 83.9 

 75.9 



92.2 

 84.0 

 75.9 



91.1 

 82.0 

 74.0 



70.9 

 64.2 

 60.7 



■89.7 

 80.9 

 74.5 



85.6 

 62.0 

 55.6 



90.5 

 74.2 

 62.9 



76.8 

 73.7 

 62.8 



92.3 

 84.4 

 76.8 



88.7 

 67.6 

 58.4 



87.6 

 63.5 

 56.0 



90.1 

 76.9 

 64.2 



95.0 



88.7 

 82.3 



92.5 

 83.9 

 75.3 



91.2 

 81.9 

 72.3 



90.4 

 80.1 

 69.9 



94.3 



88.3 

 82.3 



91.9 



83.2 

 73.9 



81.1 

 73.0 



68.7 



94.1 



87.2 

 79.8 



90.9 

 80.0 

 69.8 



89.4 

 78.9 

 69.7 



94.1 

 88.1 

 82.1 



94.4 

 86.3 

 74.4 



84.4 

 66.0 

 58.9 



80.5 

 61.3 

 55.3 



95.4 

 89.7 

 84.5 



92.9 

 85.3 

 77.4 



92.6 



84.8 

 7.5.5 



90.8 

 80.5 

 70.6 



95.4 

 92.5 



87.2 



91.6 

 83.5 

 76.3 



93.4 



85.7 

 78.3 



96.2 

 92.4 



88.2 



87.9 

 65.6 

 58.9 



9M 

 81.6 

 7i;3 



92.7 

 84.7 

 77.2 



94.2 

 87.6 

 79.6 



9?.6 

 86.2 



78.7 



93.4 

 91.5 

 86.9 



96.5 

 92.6 

 89.1 



95.1 

 89.8 

 84.2 



92.6 

 84.2 

 75.1 



97.2 

 89.6 

 83.7 



97.2 

 93.3 



89.0 



95.7 96.6 



90.8 92.9 

 85.8 89.0 



97.5 

 94.7 

 91.9 



95.8 

 91.2 

 86.7 



94.4 



88.5 

 82.5 



81.6 

 67.0 

 57.6 



98.8 

 93.5 

 90.0 



