Show knockout blow for blackleg of potato hot treatment of seed favored potato blackleg one of the molt most destructive of disease diseases in minnesota can be controlled by treating the ced wed piece pieces with bot 0 or col corrosive r sublimate pl provided tied the me aeed d piece pieces arc are planted igims immediately I 1 lately or are kept out of reach b of cit a is certain emall 11 by until they are planted I 1 ahl his bj fly lays as its ess eggs in 1 great abundant about the time potato are being planted if it it happens to lay them upon seed potatoes and uch seed Is planted the eggs batch oc what Is known leown as the seed corn so called because when borst disco discovered ered it was as attacking corn seedlings according to J 0 G leach of the of plant path aloey minnesota college of aeri agri culture the eggs eg s contain the black leg org atil when they are depot depos tied then as the maggot bores into the seed piece it carries ft lib it the bacteria which first rot the seed aal tt ft en spread to the item stem of the plant causing it also to rot and die the maggots feed upon the bacteria as aali 11 as tile decaying tuber says doctor leach the bacteria remain in tt it is e intestinal tract 0 of f the mag massat jt until it pupates and makes its say ay to the surface of the this ground where it dese develop lopi into the adult fly thus the insect carries the blackleg blac bles klez bacteria with alts it I 1 at all times and if 11 it deposit deposits its eggs on a eed d tuber the plant from such tuber la to practically tala falls to become diseased the moral tor tot growers Is to keep on u treating their seed potatoes and 0 then nuke sure that the dies can not get at them |