l§g SCIENTIFIC AGRICULTURE. February, 1922. 



Plot 3, late spray only, 326 one and two- Storing and Packing of Sprayed 



year-old branches examined from 5 trees Apples, 1917. 



and 251 were infected, or 76.99 per cent. . ..air + i • 



Plot 4, check-plot, showed practically ^_^ur experience of 1916 was repeated m 



t^Ta 4. • / a- 1917, and when the apples were packed 



100 per cent niiection. ' . ^^ . ^ 



T.^ ■^^ T. 1. +1.;^, +i,o+ o-iTon iha i^iP early m January, 1918, it was lound 



It wall be seen by this that even the .■}... -^ , ^^ ' - • ' n n r 



XI, £• ^ „« oi,^Tx^..ri rvin-.a-ari -ro t'lat thc sprav had practically all disap- 



spraymg the first year showed marked le- ^ • ^ - ^ 



suits. The late spray did some good, but ^^^^.^'f^-, ,, . ,, n • n f i 



~^ 1 . . ■ „ -4-1, ^-1.^ ror.li- QTiri D^e to the wet weather during October, 



nothmor m comparison with the early and ^ i i i i 



,. *=, lit however, the unspravetl apples showed a 



the early and late spray. ' • ^ V ' e a. ■ .n t u 



T -inirr .1, • \. ,4- „.no «/Mif ! v.11 o/i vcry hcavy infection of rot m the fruit, 



In 1917 the experiment was continued , -i -i, ' n •. , • i i 



., ,1 T ^o ..o iv, +1t^ r^r-onori wliile the fruit which was spraj^ed was 



on exactly the same lines as m the pieced- ^^.^^^.^^^^^ ^^^ ^^^ ^^^^^ ^^J^ ^^^ ^^^^^ 



^^ y^ • „ ^ . .^ T^ 1 lip much better in .storage. 



The early spray of 3-4-10 Bordeaux was ^ t * 4.- imo 



applied to Plots i and 2 on September 1st. founts of Infection, 1918. 



Eighty gallons of mixture were necessary On May 14th, 1918, Mr. Eastham again 



for°the 18 trees, or an average of 4.44 gal- made the counts for infection on the plots. 



Ions per tree ^^^^ ^' early spray, 6 trees were examin- 



The cost of materials and application for «^' ^^^^ich only showed a total of 13 cank- 



the first spray was as follows: ^'^^ ^^ the one and two-year-old wood, or 



^ , ^1, o^ 1/1/1 ^1^ average of 2 1-6 cankers per tree. 



Copper Sulphate, 6 lbs. at 24c 1.44 p^^^ ^^ ^^^.j^, ^^^^^ j^^^ ^p^.^^.^ ^ ^^^^^^ ^^^^^^ 



Lime, 8 lbs, at 2c. ....... lb examined, on which a total of only 7 cank- 



2 nozzle-men 1 hr at 30('. each. . . .bu ^^^ ^^^^^^ ^^ ^^^^^^^^ ^^. ^^^ average of 1 2-5 



Man and team, 1 hr. at $o per day .62^ .inkers per tree. 



rp , ., ^2 82V9 ^^^^ ^' ^^t® spray, 5 trees were examined, 



■ ■ ■ T /• ^\~ r-" which showed a total of 52 cankers or an 



Cost per tree for the first application lo. /c .^^.^^.^^^ ^f 10 2-5 cankers pel- tree. 



September continued fine and dry, but pi^f 4^ check-plot, one unsprayed tree 



commencing on October 1st considerable ^^^g examined whicli showed 53 'cankers, 



rain fell at intervals up to October 27th- ^i^q accessible area of the tree net being all 



29th, when the apples were harvested. The examined. 



crop averaged 51/2 boxes per tree and was j^^ ^^g-^g ^j^^ experiment was continued 



the best crop harvested from the same ^^ ^^ ^^g-^g ^^^^ jg-^y r^j^^ ^^^,^^. ^p^^^, ^^ 



trees for years. 3-4-40 Bordeaux Avas applied on Septem- 



There was plenty of Avater available for i)er 17th. Tlie new wood had so increased 



spraying, due to the rains during October, tliat it required 90 gallons of spray mixt- 



andthe second spraying of 6-6-40 Bor- ^-e for the 18 trees in Plots 1 and 2, or 



deaux to Plots 2 and 3 was made on Oc- an average of 5 gallons per tree, 



tober 30th. The cost of materials and application for 



The cost of materials and application for tlie first spray Avas as follows : 



the second spray was as follows: — Copper Sulphate, 6-34 lbs. at 19c.. . 1.281/2 



Copper Sulphate, 12 lbs. at 24c 2.88 Lime, 9 lbs. at 2c 18 " 



Lime 12 lbs. at 2c 24 2, nozzle-men, 1 hr. at 40c. each 80 



2 nozzle-men, 1 lir. at 30c each 60 .Alan and team, 1 hr. at $6.50 per day .811^ 



Man and team, 1 lir. at $5 per day. .621/2 



Total cost $3,071/2 



Total cost $4,341/2 Cost per tree for tlie first spray. . 17. le 



Cost per tree for second ai)pli('ation 24.1c September and October continued very 



It will be seen that the cost per tree in dry, wliich hastened the maturity of the 



1917 was considerably iu excess of 1916, a])ples, which were all harvested on Oct-- 



due entirely to the increased cost of mat- ober 23rd. The crop was considerably 



erial and labour. Even I51/2 cents per tree ligliter than in 1917, averaging about 4 



for the first spray is not" excessive. Il l)oxes per tree, it being the off-year for 



would take a very' small increase in crop licaring. It was so dry during Sejitember 



to overcome that 'expense. juid October that wlien the apples were 



