SPRAYSCHEDULE 



for APPLES 



.San Jose 

 acole 



(NORTHERN 



I Opening bud 

 contaimny bud- 

 moth larva. Note 

 frasa ejected 

 at tip. 



. , ,, 



Time for apray II. 



I.The DORMANT SPRAY 



Use Hme-sulphurconcentrate(lg:al.to7or8 gals, 

 of water)inlate fall.during: warm days of winter, 

 or in early spring- before the leaf buds are open . 

 This is for San Jose'scale and other scales. 



Where aphids are troublesome add /^pt.of 40% 

 nicotine sulphate to every SOgals. of spray and 

 delay application till buds are just showing- 

 green but not till tips of leaves separate. Or 

 make a special treatment for aphids with nico- 

 eaun tinesulphate^pt.toSOyab of water in which.' 

 '*"* 3 or 4- Ibs of soap have been dissolved). 

 Where leaf-rollers are particularly troublesome add 3 Ibs of powdered 

 arsenate of lead (or 6 Ibs. of the paste form) to every 50 grak.oflime-sul- Aphidson 

 phur andspray as directed for aphids. (When nicotine isused with lirae- penin<rbudL 

 sulphur do not use soap.) Or.in place of the above sprays, use kerosene 

 -;v_jemul.s ion or a miscible oil for scales, aphids and leaf-roller eg-ys. 



II. FIRST SUMMER SPRAY 



Use lime-sulphur concentrate 

 (\Vt g-als.to SO g-als.of water) and 

 1 Ib.of powdered arsenate of lead Apple 

 (or 2 Ibs. of the paste form) in every and in 

 50 gals, of spray Just before the blossoms open. 



This spray is for bud-moth .leaf- roller.tent caterpillars, 

 cankerworms.plumcurculio.andscab. 



Where apple red bugs are troublesome add nicot ine 

 sulphate( */4 pt.to every 50 gals, of spray). This gives 

 also further protection against aphids. 



Where bud-moth and leaf-roller are especially 

 troublesome use 3 lbs.of the powdered arsenate 



red bugs 



(or 6 Ibs. of the paste form) to every 50 g-als.of spray 

 and apply wfien Che blojsom buds are first in evidence. 



Tent 

 caterpillars 



fallen.Calyx 

 cupsstillope'-. 

 Tlme-f or apray 



III. SECOND SUMMER SPRAY 



Use same spray as in II just after the petals have 

 fallen but before the calyx lobes have closed. 



This spray is for same pests as in II and is the 

 most important spray COTSCCT& and COD LING 

 MOTH. Special care should be taken to drive the 

 poison into the open calyx cups because the 

 majority of the codling 1 moth larvae cf the first 

 brood will enter the apples through the caJyx end. 



If apple red bug's are still troublesome add 

 nicotine sulphate as in II. 



by second ^"> "^ 



brood of codling moth. IV. THIRD SUMMER SPRAY 



Use same spray as inll three or four weeks after the petals 

 have fallen for same pests as before and for leaf-spot. 



? - V. FOURTH SUMMER SPRAY 



Use same spray as in II , eijrht or nine weeks after 

 the petals have fallen, for second brood of the cod- 

 liny moth and for scab ; or use Bordeaux mix- 

 ture (3- 3 -50) in place of lime-sulphur,espec- 

 ially if blotch and bitter- rot are present. 



Effect of plum cur- 

 culioonappltsat 

 pickiny time. 



FIQ. 442. Apple spraying chart. 



Bureau of Entomology, U. S. Dept. Agr. 



513 



