LIST OP TABLES. XXXlll 



D. Tables Kelating to Green Vitriol and Chrome Salts. 



PAGE 



Table XXI. — Showing the number of pounds of green vitriol which wheat, 



rye, barley, and oats can bear per 100 lb. of soil ----- 174 



Table XXII. — Showing the comparative strength of solutions of blue and 

 green vitriol respectively required to kill spores of Phytophthora, Perono- 

 spora, Ustilago, and Puccinia - - 175 



Table XXIII. — Showing the results of the experiments of De Dombasle on 

 the disinfection by green vitriol of seed-corn artificially infected for the 

 purpose 183 



Table XXIV. — Showing the toxic dose of chrome salts in a nutritive solution 189 



E. Tables Relating to Blue Vitriol and to Copper Salts. 



Table XXV. — Showing the distribution of insecticidal and anti-cryptogamic 



copper between wine, marc, lees, etc. ------- 203 



Table XXVI. — Showing the effect of solutions of blue vitriol of various 



strengths on spores of Phytophthora, Peronospora, Ustilago, Puccinia, 



and Cliviceps ----------- 2IO 



Table XXVII. — Showing the effect of steeping seeJ-corn in solutions of blue 



vitriol of different strengths for different periods of time - - - 217 



Table XXVIII. — Showing the effect on height of plant of steeping seed in 



solutions of blue vitriol of various strengths 217 



Table XXIX. — Showing effect on germination of steeping injured seed-corn in 



water and in solutions of blue vitriol 218 



Table XXX. — Showing effect on germination of seed-barley of steeping in 



solutions of blue vitriol of various strengths ------ 221 



Table XXXI. — Showing delay in germination by Kuhn's treatment - - 221 

 Table XXXII. — Showing effect of blue vitriol steep on crop of barley - - 221 

 Table XXXIII. — Showing sensitiveness of seed-oats to blue vitriol steep - 222 

 Table XXXIV. — Showing delay in germination by blue vitriol steep of seed- 

 oats (Kuhn's method) ---------- 222 



Table XXXV. — Effect of blue vitriol treatment of seed-oats on the crop - - 222 

 Table XXXVI. — Showing reduction in germinative capacity by delay in 



sowing after steeping seed-corn in blue vitriol 223 



F. Tables Relating to Bodillie Bordelaise. 



Table XXXVII. — Effect of 2 per cent bouillie bordelaise in preventing potato 



scab 237 



Table XXXVIII. — -Showing effect of bouillie bordelaise of various strengths 

 on weight and starch content of potato crop and on the percentage of 

 diseased potatoes 239 



Table XXXIX. — Showing beneficial effect of repeated spraying with copper 



bouillies on potatoes ---------- 239 



Table XL. — Showing effect of bouillie bordelaise on potato disease - - 239 



T.ABLE XLI.— Showing eff'ect of first spraying on the weight of the crop of 



Magnum Bonum potatoes --------- 240 



Table XLII. — Showing number, weight, and size of large and small potatoes 



before the appearance of the disease on treated and untreated plots - 241 



Table XLIII. — Showing number, weight, and size of large and small potatoes 



after the appearance of the disease - - - - - - - 241 



Table XLIV. — Showing the effect of various copper preparations on the bulk 



of the potato crop and the number of diseased potatoes - - - 241 



Table XLV. — Showing composition of moistenable sulphur - - - - 249 



Table XLVI. — Showing the composition, volume per acre, time of treatment, 

 order of sequence of bouillies bordelaises used in the prevention of black 

 rot of the vine 2-51 



Table XLVII. — Showing order, time of spraying, and strength and composi- 

 tion of bouillie bordelaise in treatment of black rot of vine - - - 2.51 



Table XLVIII. — Showing results of repeated spraying of vines with solutions 



of blue vitriol of various strengths 2.53 



C 



