EXPERIMENT STATION BULLETINS. 



323 



FOR BROWN ROT AND SCAB, WHERE THE CURCULIO IS NOT TROUBLESOME. 



When to Spray. What to Use and What For. 



1st time. 



2nd time. 

 3rd time. 



Two or three weeks after the petals fall, with 

 8-8-50 self-boiled lime-sulphur. 



About three weeks later, repeat previous spraying. 



About one month before fruit is expected to ripen, 

 repeat previous spraying. 



When to Spray. 



FOR SCAB ONLY. 



What to Use and What For. 



About one month after petals fall, spray with 

 8-8-50 self-boiled lime-sulphur and again three or 

 four weeks later. 



In applying the self-boiled lime-sulphur mixture, 

 special care must be taken to keep it well agitated. 

 The mixture settles rapidly and unless well agitated 

 it will not be evenly sprayed. With the last spray- 

 ing use fine nozzles and give the trees a uniform 

 coating of a mist-like spray 



GENERAL TREATMENT FOR PEARS. 



When to Spray. 

 Same as for apple. 



Pear blight. 



What to Use and What For. 



Strong lime-sulphur for San Jose scale, blister-mite 

 and pear-psylla, if present. For scurfy-scale use 

 lime-sulphur as late as possible before buds open. 

 Bordeaux mixture with poison as directed for the 

 apple. 



Whenever a blighted branch is found, cut back to 

 sound wood and burn. 



Systematic inspections made during fall, winter, 

 and early spring, a short time before blossoms open, 

 to remove all "winter hold-over" cases, is very bene- 

 ficial. 



After each branch is cut, disinfect tool by wiping 

 with a cloth or sponge moistened with 5% carbolic 

 acid. 



If "slugs" appear, spray with an arsenical, if not 

 too near ripening of fruit to be dangerous. In case 

 of early pears, dust with fresh hydrated lime. 



GENERAL TREATMENT FOR PLUMS. 



When to Spray. 



Early in the spring 

 before growth starts. 



Just before buds 

 swell. 



What to Use and What For. 



Strong lime-sulphur wash for San Jose scale or 

 European fruit-scale, if present, the same as for apple. 



Bordeaux mixture or self-boiled lime-sulphur mix- 

 ture for fruit-rot, leaf-spot, and black-knot, with 

 arsenate of lead for curcullo. 



