Show WATCH POTATOES FOR EVIDENCES OF WART european malady Is said to be most destructive introduced into coal mining Dist districts irleta of pennsylvania about 1911 in tested soil should be used for other crops prepared by the united states department of agriculture every grower of arl irish h potatoes whether he be handles a private patch or a commercial acreage Is urged to watch carefully his potatoes ut at digging time for evidences ot of potato wart disease a european malady which is one of the most destructive attacking potatoes the wart disease was introduced into 27 coal mining districts of pennsylvania in potatoes brought from europe about 1911 at that period of shortage several million bushels of spuds for food purposes were nere imported and distributed widely throughout the country so that many other sections possibly have been exposed to infection in order to identify and quarantine nil all points of infection it Is imperative that ill all growers dealers distributors and county agents carefully inspect new crop potatoes and report all suspicious cases in addition to sending samples as soon as possible to their state agricultural ri college state experiment station or to the united states department part ment of agriculture washington D DC 0 it if potato wart becomes generally distributed in the united states it U means not only millions of dollars of loss but also a complete change in tile the potato industry to prevent its total destruction potato wart vart almost completely destroys the spuds for food purposes once established in the soil all that can be done Is to work against its spread the disease will remain alive in the ground for as ton long as eight years and it is unsafe to plant bant potatoes in infested soil within that period it is known that the potato wart disease had been establishing itself in the pennsylvania localities for six years before it was discovered the department of agriculture has now placed a quarantine prohibiting alif shipment ament of potatoes from sec sections ot of lili 2 e Z work of the destructive potato wart europe where the disease has existed and if the pennsylvania sections are ara the only points of infection the disease Is now under control potato Is characterized by warty spongy gy baull cauliflower flower like ike groni growths on the underground portions of the plant infections usually begin in the eyes find and attain the size of a walnut or larger sometimes entire tubers are converted into a spongy warty mass 9 young warts are usually light il brown in color although after deray begins they turn black which causes the disease to be sometimes ballod black scab or black wart mini of the warts rot in the ground before the crop is harvested others decompose when the potatoes are placed in storage some of 0 the warts left on the field at digging time play remain alive under suitable conditions condition for months the disease may continue to vegetate long after the potato crop has been harvested due to the sending up of sprouts from the sound warts end and the development of ef new warts from the tender portions of use the young 11 crouts prouts pr outs s every precaution should toe be exercised to prevent the spread of 0 infection the warts should be collected and destroyed by burning DI diseased sensed tabers should not be fed to td stock without first being boiled soli soil known to be infested should be planted to othro oth at crops attempts to control the disease by tre treating altIng infested soils with chemicals have haio failed in european countries it has teen otteen ascertained that certain potato varieties resist this disease no ameri Anier fau au varieties of potatoes have been tested tor for resistance to rot but experiments expert bents of this nature are proposed po sel |