Show avy MERCURY DIP FOUND FOU N EFFECTIVE FOR SEED POTATO TREATMENT tuber borno borne diseases such IB as scab black leg and possibly some of the dry rots reduce rea the potato crop both in III q quality a and quantity luan tUy those diseases can bo be greatly reduced and in III 11 ninny laity cases entirely eliminated by proper seed treatment according to dr 11 I 1 L richards of the utah experiment station the two standard treatments corrosive sublimate 4 ounces to 30 gallons of 0 water tor for li hours and hot formaldehyde 1 pint of formaldehyde to 15 gallons of water applied 3 minutes at a temperature between degrees ta fa renholt 50 62 degrees centigrade mitt grado aro are both effective and it properly applied will pay satisfactory returns or their application recently a third method has been devised which has haa considerable merit and which may bo be used in the control of these tuber borne diseases and as a substitute for tile the older methods says dr rich ards this method commonly called tho 1110 add acid mercury dip consists in the application of mercuric chlor ido in an acid solution this solution la Is very rapid in its action on tile tho disease producing organisms on tile the of the tuber thereby permitting the time of treatment to be considerably reduced thel process Is as aa follows i dissolve 6 ounces of mercuric chloride in 1 quart of commercial hydrochloric acid add acid this will dissolve quickly mix tilts this solution thoroughly in 25 gallons of water in a wooden barrel tub or concrete tank dip the potatoes in this solution tor for 6 5 minutes re move the potatoes and to dry as rapidly as aa possible do not store treated potatoes while they are wet tubers should always be treated before cutting and the same came precautions exercised as aa in this old mercuric chloride treatment both with respect to seed in jury and the dangers from poison ing animals or children it allowed to take tile the solution inwardly this treatment greatly reduces both the labor and the time I 1 in n in treating potatoes in III more convenient than the hot formaldehyde malde hyde method and Is probably quite as effect effective tive as either of the old standard procedures treatment should be applied before the tubers sprout as the bercut mercuric to chloride Is kiowa known to reduce the crop it treatment Is applied after more than ever before the quality of products as well as aa maximum yield per acre will bel bei demanded of the grower who will succeed in p potato production therefore control of diseases must be a part of the pr program of the progressive grower dr richards richarda advises |