. Plant propagation; greenhouse and nursery practice. rotection is given and the formation of new barkthus encouraged. It is necessary that each cion have at least one sturdybud. As a rule, only mature buds, or those approximatelymature, are employed, though in herbaceous graftingAounger ones may be used. Cions may be inserted inwhole or piece roots, crowns, trunks, branches; in fact, GRArxAcr-:—cenkrai. considkrations 151 any ])art that will meet the re([uirenieiUs of cion milri-tiiin, as tubers of dahlia, potato, sweet i)otato. lhe \va_\of setting- may vary from merely placing a bud beneatht
. Plant propagation; greenhouse and nursery practice. rotection is given and the formation of new barkthus encouraged. It is necessary that each cion have at least one sturdybud. As a rule, only mature buds, or those approximatelymature, are employed, though in herbaceous graftingAounger ones may be used. Cions may be inserted inwhole or piece roots, crowns, trunks, branches; in fact, GRArxAcr-:—cenkrai. considkrations 151 any ])art that will meet the re([uirenieiUs of cion milri-tiiin, as tubers of dahlia, potato, sweet i)otato. lhe \va_\of setting- may vary from merely placing a bud beneaththe bark to inserting a woody cion in the wood of astock, as in cleft grafting. Again the work may be donewith dormant specimens at any time of year or upcMiactive wood during the growing season. The methodsand variations are countless; but in general only a feware simple and quick enough to be of wide or general others are more for the specialist and for finicky sub-jects which the average nurseryman, gardener or floristwill not fuss CHAPTER XI IS GRAFTAGE DEVITALIZING? 206. Points involved in discussion.—Nowadays we hearlittle discussion as to whether or not graftage is a de-vitalizing process. Perhaps this is largely because ofinvestigations made at various domestic and foreign ex-periment stations and teachings of agricultural collegesand schools at home and abroad. But even so late as theearly nineties, discussion was rife and even such well-known writers as Burl)idge of Ireland and Bailey of theUnited States took opposite sides. Beginning about adecade later Lucien Daniel and other European inves-tigators began to present results of their exhaustivestudies which as yet seem to have made little impressionin America. As Daniel is copiously quoted in thisvolume, it is thought advisable to i)resent the picture ofconditions as they existed in the early nineties beforehe began to publish his findings. Therefore the next fewparagraphs have been condensed from a
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