CHE REFERENCE LIBRARY - ZetaTalk

IS4 THE NURSERY-,MANITALPersimmon is of two species, the oriental kaki (ZIiosp~~os Kal~i) andthe native (D. rirginimla). Roth kinds are worked on native seedlings,&hough II. Lotus and one or two other oriental species will probably beconsiderably used in the future for the kaki.Plum is handled on a variety of stocks. Most of the common plumsof the European type (~‘TWHLS rbrrrc~+f ica) and the Japanese plums (I’.srrZic,i~zu) arc studded on imported myrohalan plum (I’. wrmvj’cra). Stocksof common and Japanese plums may he used when seeds can be had andwhen it pays to grow t.he seedlings in this country. ‘l’hc American 01native plums arc worked mostly on seedlings of the na.tive species, andalso on Marianna v:hich is sometimes grown from cuttings (prohablu; ahybrid of 1’. CL’RISI~CT~ and a na.tive species).Quince. - The large fruit-bearing varieties are sometimes worked onimported Angers quince, which is propagated by mound-layerage. Theconlmon quince itself may be grown directly from cuttings and moundlayers.Waht of the Persian or so-called English type is worked on nativewalnut stock. Tn California, the native .Jnglans Hiz&i~i is mostly used ;Juglms nigm, the black walnut of the East, may also be employed.The dwarfing of trees depend s on two factors, - workingon a slow-growing stock, aid subsqumt wnfining of rootsand heading-in. III particular c’xws, dwarfing is accon~plisl~edby growing the trees in pots or twxes. Vie nurserl\;man suppliesthe first factor, - the tree l.iflitWi to the dwarf root.Rut this factor tdoi~~~ rarely irwws a I?c”rirlai~~~i~tl~r dwarf tree.The vigorous top sooty impart:; s011ic cd its habit to the stock ;a,nd if the trw is pl;LIltwl SC) :leep that, thcb union is zt few inchesMow ground, roots may start, from 1-h cion, and the bee willX~ecoine half tlwtrf, or cvei~ full stancl;wtl.The possit,ility of keeping tlw trW dwtwf lies mostly withthe grower, illtllO~l~l1, urlfort~iil;llel?-, tlw grower uSUL~l1~ LLStribesit wholly to the nurseqwan. An excellent illust~rationof all this is a~r~rclctl 1)~ the Arrry. If c+erry trees are to bedwarfed, they are worked on the mahaM~ cherry ; ad yet the