. Canadian journal of agricultural science. Agricultural Institute of Canada; Agriculture. .lanuary, 1921. SCIENTIFIC A( IJRE 17 Table 4^Kesults of four years experimental wiii'k in Nova Seotia. , Unsprayed Sprayed )uste(l Spray, lime .sulpliiir and ar. ) lead, or Bordeaux and ar. For lead. Dust, sidphur and ar. Yr. N 0. E,\ps. Seal) Iiiseets 5 Souiul Seal) Insects Sound Seal) 1 Sound lead. 1916 1 Ann. Kept. Nova Scotia Fr. Growers' Assoy. 1918, p. 61. Ann. Kept. Nova Scotia Fr. 1917 2 4
. Canadian journal of agricultural science. Agricultural Institute of Canada; Agriculture. .lanuary, 1921. SCIENTIFIC A( IJRE 17 Table 4^Kesults of four years experimental wiii'k in Nova Seotia. , Unsprayed Sprayed )uste(l Spray, lime .sulpliiir and ar. ) lead, or Bordeaux and ar. For lead. Dust, sidphur and ar. Yr. N 0. E,\ps. Seal) Iiiseets 5 Souiul Seal) Insects Sound Seal) 1 Sound lead. 1916 1 Ann. Kept. Nova Scotia Fr. Growers' Assoy. 1918, p. 61. Ann. Kept. Nova Scotia Fr. 1917 2 Growers' Assoc, 1918, p. 61 and p. 191. 1919 1 ( Proceedings N. S. Ent. Snc. 1920, p. 88. 1920 1 Unpublished. Av. of 5 For the four years. Table 5.âShowing averages of results reported from New "^ 'ork, Michigan. and Nova Scotia. ^Unsprayedâ -Sprayed Dusted Region No. No. p c Yrs. Exps. Scab Worms Sound Scab Worm s Sound Scab Worms Sound New York . . 4 11 MicJiigan .... 4 7 " Illino IS 4 7 Nova Scotia . 4 5 Avera ge of . . 16 30 21A â " . studied the question for years, says in the 1920 Fruit Growers' Association of N. S. report p. 82, "A mix- ture of kaolin and nicotine sulphate dried and pul- verized has been used with success in California against the Walnut aphis. We have combined both free nicotine and nicotine sulphate with sulphur and arsenate of lead, thus securing a "3-in-l" mixture, and used with a good effect upon smaller sucking insects such as psyllids. On larger more resistant species, plant bugs (iliridae), though an ap
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