Show Fruit Fruit- Fruit Ti Fruit Tl e ee improve improve- improvement Improve Improvement ment Nosy No Now I Includes Ro Rot t Selection Although the O lOary inary fruit tree wan is 15 an assembled article a Ide icle in which the part under ground grown roun is generally grown from seed Hed and th part above ground IS the result of g a bud on the seedling codling roots root s sto k horticulturists horticulturist In Inthe inthe inthe the past have co con med their improve improvement meats menta efforts effort to he part of the th tree bone ground R however the United States State D of Agri Agri- Agri Agriculture Agriculture culture has unde aken ken to bring about further improver er by developing i method of pro acing better root rootstocks rootstocks rootstocks stocks or parts part on whIch to graft or bud e a desired varieties It is well V ell kno low n by nur nurserymen and hat most fruits fruit do donot donot donot not reproduce v riette from frem seed that or ome some other form of vegetative atlon hon tion must therefore be used u ed to multi ly a given variety It is 15 not so o well ell however that seedling ro t stocks also vary in their heredi ry up make-up The Th practice of prod ng ing most mOlt root reel stocks from seed 11 lS pro ably bly responsible for much of the UTe are in their theU per per- performance performance per performance and th ultimate failure of many orchard tr s 's s Gu Guy E horticulturist in the Bureau of Plant Industry of the de- de depart de depart part has hu ed enough tests teab to show how that some root stocks can M be by m ns na of root cuttings 5 and in this way ay faithfully reproduce the mother root The mother tree trees selected ha e a shown exceptional vigor and indica ons of resIstance fo insects and dice es The vegetative v fro these mother trees are being tested tes to determine their affinity foi for the worked on them and their a apt to a wide de derange range of conditio r a bi by b planting in m or- or orchards orchards or orchard chard Several apple cherry cherr and plum selections made are showing mg how ing nty rity over seedling stocks stocka in the nu sery sel By propagating propagating ing mg them vege Ively-by Ively ively by means mean of 01 cutting or lae layer rather than by wed seed the the tics of the mother plant are assure in the In In In expensive e and i fid pid propagation of I the selected elected and r lem roved individual m in isan faan Is Isan an important pr blem lem Much of the difficulty exile iced ced at first in that connection has baa ha k b bit n it overcome and me me- methods methods me methods have b be i developed de whIch promise comme cial application oi of thus thIs means of i proVIng the under underground ground part of fruit ruit trees tree trec i Several years tests test und and andr r orchard conditions I will be necessary to bring out the qu qualities of these stocks before introducing the them |