Show ma SPRAY FOR CONTROL OF SCAB fungous disease not sufficiently understood der stood by causes big loss lom prepared by the united states department of 0 agriculture Aerl culture the culture of pears in fit the pacific no northwest r t beyond beyo n d the th e cascade mountains has suffered severe losses from time thue to time and its development has been retarded by various insect pests and by pear scab a fungous disease which Is not sufficiently understood by the average while the scrib scab to cite the most serious disease Is readily controlled by sprays it annually causes a heavy loss because ot of inefficient spraying praying materials and carelessness as to the time or manner of application the crop yield is frequently cut from 50 to 73 75 per cent and unsprayed sprayed ua fruit is often so unsightly as to be almost worthless though spring and summer spraying 0 of pears for the control of scab has been generally practiced the re F W Z WIN 5 Y dusting machine being used in a P peach e ach orchard the same sort of apparatus A ratus Is employed for dusting pear trees with sulphur or other dry fungicide suits for the reasons indicated hane hae often been disappointing especially when spraying has not included an insecticide sect icide tor for control of insects causing causin in disfigurements disfigure ments that look very much like scab spots on mature pears to enable the to recognize and distinguish between these troubles and to provide the proper measures of control the united states department part ment of agriculture has issued farmers bulletin 1050 controlling F fungous fungous and insect enemies of the pear in the humid sections of tile pacific northwest which is for treo free distribution |