Show BEST RESULTS ATTAINED WITH POTATOES BY development OF HIGH GRADE GRAD E SEED IV p 4 A 0 r 4 g potatoes for seed should be selected from hills containing tubers of uni form shape and size prepared by the united states department t of f Auri agriculture culture if tile best results fire to ho be attained lu lit potato pro production action greater care anro must bo be given to tile development t of high grado seed pota potatoes toes th than an Is tile thu present practice wherever the lie climatic and soll boll conditions conill tlona are such its as to malco it possible to produce a good quality of seed deed potatoes each grower have ills his own on seed plat in ili the selection of seed potatoes it should bo be borno lit in anini inini that the hill rather than tile bindl vidigal tuber Is the unit tito method which Is most certain to lend to improvement pro to Is abat of bill selection thero there fire various ways nys of procedure in fit tile hie practice of hill selection but the ono most likely to give the best ro re pulls Is that of marking alio acs sk plants plant in tire field or tho the seed plat before tho the fallago fol liiKO begins to hlll alpon m and digging them by hand just before harvesting the main crop examine each plant the product of ft anch individual plant should lie bo examined separately and only those that show uniformity in ill olzo bizo and minim had that have produced n t maximum number of merchantable tubers should be selected hach each select ed hill should bo be given a number sacked and it careful rec ord made tito follo iving season the t it ibers of each selection should lie ile 1 planted separately fit n order that lint their behavior way may bo be noted throughout the growing season bonson it will bo be found that IlI many of possess no superiority over om the general run of held field stock but tt fe few will bo 6 decidedly good A large number of these progeny call ile be marked for or discard before they tire are harvested har Tested at harvesting time tile progeny of vach each promising selection should again ho be studied carefully an and only those li oso which cecin to possess superior merits retained if it Is possible to reduce those to ono one or two it la Is do dc to do so BO further progress along tills this line con consists fists in increasing ilia progeny of tile selection or selections us as rapidly its as possible at the end of the third season benson it sum clent should bo be bivil ila b to to aln plant 11 t the held field crop it Is de to maintain IL 11 seed plat each year and to continue tile the process of 0 hill selection find tile development of pure strains in order to practice potato selection intelligently telli gently it la Is necessary to have a truo true conception of the typo type of tho the variety or varieties being used immature seed relatively tev few growers in tile tho united states really maintain a seed plat and still fewer practice planting tho the seed plat nt at it n considerably later inter date than ilia ninin crop in ili order to secure small to medium sized immature maturo Im tubers ns as la Is the custom with many E english ng 11 sit and scotch seed smon in planting old did seed good plat designed for tile tho production of seed for the main crop the follow following lag season it la Is desirable to plant two or bunco whole tubers tubera the use of whole tubers insures it a perfect stani stand and it minin minimum in pereen tag of di diseased sensed plants at tile same time tonic as a result of lato late planting and the heavy set produced hyvl ilo seed tile tubers do not a largo size ind arld are thus ideal Ide alfor seed purposes tile tho date of planting the secal plat should bo be governed by the locality in which lio lie potatoes are arc to bo 1 e grown in general it might bo be mid that tho the seed plat should bo be planted na its lato into as it la 13 possible to insure a good tuber development before tho the plants planta aro are killed by tile frost in tile tho |