Show PREVENT MOTH INJURY potato insect has become serious ous pest in many sections S ve veral ral methods must be emp employed oyed to control work first measure consists in maintenance of clean cultivation ny r II 11 chittenden the potato tuber moth an insect which has become a serious pest peat lu in many sections is a difficult insect to control by any single method it is I 1 not possible to reach the tuber worms in their mines in the potatoes or in tho the stalks or tubers while growing in the field which makes it necessary to proceed against the pest peat by other methods the firs measure consists in tho the maintenance of clean clear methods of cul tl ti this means that all infested Inte sled potato plants and weeds must be destroyed this can be done by prompt burning as soon as insect infestation Is manifest As in most other cases of insect injury crop rotation Is desirable where possible and the cooperation of all potato growers of the neighborhood Is practically a necessity there are several alternate food crops which do not suffer buffer greatly from this insect about the best of these are beans peas cowpeas cow peas alfalfa and clover these possess a dual value as they all act as soil restorers care in digging potatoes Is advisable in order not to cut into the tuber or leave tho the dug I 1 Fuh ligator gator used for stored products infested by insects potatoes in the field over night where infestation re could occur while all of these remedies are of alue the best remedy Is tho the tion of infested tubers with of carbon or acid gas if it of carbon Is used it should be at the rate of three pounds to 1000 cubic feet of air space Inc including lading the potatoes one ounce to a barrel of 96 pounds capacity would not be excessive with an exposure of not more than 24 hours no harm should be done to the potatoes pota tees for planting where it can be conveniently done add acid gas should be used in a specially constructed gas tight fumigator in the case of of carbon there Is great danger in bringing the chemical into proximity to fire such as a lighted lantern or cigar as the gas Is highly inam infirm mable and even explosive fumigation with acid gae gas properly performed Is not tan dan berous but it improperly performed it la Is decidedly ous to human and other animal life as the fumes are very poisonous and are Z my when inhaled in any I 1 lols hifa gas Is more penetrating than of carbon and can bo be used by an in tell igent person without trouble it if he first amilla himself thoroughly with the procedure by carefully study ing the printed directions or assisting someone who has bad had experience in the work |