The Canadian Horticulturist. 



159 



SPRAY CALENDAR. 



PLANT. 



Applr 



(Scab, codlin moth 

 bud uioth.) 



Cabbage .... 

 [Worms, aphis.) 



cj Chrrry .... 

 •S (Rot, aphis, slug.) 



Currant 



(Mildew, worms ) 



F3 

 O 



^ Gooskbkrry 

 SJ (Mildew.) 



I 



Grape 



(Fungous diseases ) 



Pbach, Nkctarink 

 (Rot, mildew.) 



S (Leaf blight, scab, 

 Qj psylla, codlin moth.) 

 o 



^j Plum . . 

 pj (Fungous 

 OJ curculio.) 



^ Potato 



^ (Blight, beetles) 

 to 



•§ 



•rj QuiNCB 



•S (/^«ff/ and fruit 



Raspbbrry • • • ) 



Blackhrrry . • • [ 



Dbwbkrry . . . . ) 

 (Anthraenose.) 



Strawbbrry . . , 

 (Ruit.) 



Tomato . • . 

 (Rot, blight.) 



First Applicatio.x. 



Skc nd Application. 



Third Application. 



When budi are swel- Jubt before blossomsl When blossoms have 

 linfc, copper sulphate open, Bordeaux. For fallen, Bordeaux and 

 solution. bud moth, Arsenites ^rsenites, 



when leaf buda open 



When worms or aphis 

 are first seen, Kerosene 

 emulsion. 



As buds are breaking, 

 Bordeaux ; when aphis 

 appears, Kerosene em 

 ulsion. 



At first sign 

 worms, Arsenites. 



of 



When leaves expand, 

 Bordeaux. 



7-10 days later, if; 7-10 days later, if 

 not heading, renew I heading, hot water. 



emulsion. 



When fruit has set, 

 Bordeiux. If slugs 

 appear, dust leaves 

 with air-sl.ked lime, 

 fellebore. 



10 days later, helle- 

 bore. If leaves mil- 

 dew, Bordeaux. 



10-14 days 

 Bordeaux. 



later, 



In Spring when buds ■ When leaves are 1- 

 swell, copper sulphate 1^ inches in diameter, 

 solution. Bordeaux. 



Before buds swell, 

 copper sulphate solu- 

 tion. 



As buds are swelling, 

 copper sulphate solu- 

 tion. 



When buds are swell- 

 ing, copper sulphate 

 solution. 



When beetles first 

 appear, Arsenites. 



When blossom buds 

 appear, Bordeaux. 



Before flowers open, 

 Bordeaux. 



Just before blossoms 

 open, Bordeaux. Ker- 

 osene emulsion when 

 leaves open, for psylla. 



r F. 



10-14 days, if rot ap- 

 pears, Bordeaux. 



If worms persist, 

 Hellebore. 



10-14 days later. Am- 

 moniacal copper car- 

 bonate. 



When flowers are 

 open, Bordeaux. 



When fruit is nearly 

 grown, Bordeaux. 



After blossoms have 

 fallen, Bordeaux and 

 Arsenites. Kerosene 

 eoQulsion if necessary. 



When blossoms have 10-14 days later, Bor 

 fallen, Bordeaux. Be- deaux, 

 gin to jar trees for cur- 

 culio. 



When vines are two 

 thirds grown, Bor- 

 deaux and Arsenites 



When fruit has set, 

 Boxdeaux. 



Before buds break. During summer, if 

 copper sulphate solu-| rust appears on leaves, 

 '' - Bordeaux 



As first fruits are 

 retting, Bordeaux. 



At first appearance 

 of blight or rot, Bor- 

 deaux. 



As first fruits are 

 ripening, Ammoniacal 

 copper carbonate. 



Repeat first if dis- 

 eaiCi are not checked. 



5-1.5 days later, Bor- 

 deaux. 



10-20 days later, Bor- 

 deaux. 



(Orange or re 1 rust 

 is treated best by de- 

 stroying the plants.) 



When last fruits are 

 harvested, Bordeaux. 



Repeat 

 necessary. 



first when 



FouRfH Application. 



8-12 days later, Bor- 

 deaux and Arsenites. 



Repeat third in 10-14 

 days if necessary. 



10-14 days later, Am- 

 moniAcal copper car- 

 bonate. 



10-14 days later, re- 

 peat third. 



10-14 days later, Bor- 

 deaux. 



5-7 days later, Am- 

 moniacal copper car- 

 bonate. 



8-12 days later, re- 

 peat third. 



10-20 days later, Bor- 

 deaux. 



10-20 days later, Bor. 

 deaux. 



Repeat third if foli- 

 age rust*. 



— Cornell University Bulletin. 



Apples, grapes, peaches, pears and plums may need a fifth and even a sixth 

 application, for the best success. 



