. Plant propagation; greenhouse and nursery practice. t back to an inch for conveniencein handling by whip grafting (Fig. 157).Grafts on the previous seasons wood gavemany suckers; those on the original muchfewer. After the operation the grafts werestored for callusing until planting time. Allthree of the stocks used—Clevener, and Gloire—are recommendedfor trial commercially, and three otherssuggested as promising; viz., Riparia GrandGlabre, and two hybrids between Vitisriparia and J\ rupestris known as 3,306and 3,309. During the growing season,shoots from the stock (Fig. 157) and ro
. Plant propagation; greenhouse and nursery practice. t back to an inch for conveniencein handling by whip grafting (Fig. 157).Grafts on the previous seasons wood gavemany suckers; those on the original muchfewer. After the operation the grafts werestored for callusing until planting time. Allthree of the stocks used—Clevener, and Gloire—are recommendedfor trial commercially, and three otherssuggested as promising; viz., Riparia GrandGlabre, and two hybrids between Vitisriparia and J\ rupestris known as 3,306and 3,309. During the growing season,shoots from the stock (Fig. 157) and rootsfrom the cion (Fig. 157) must be re-moved at least twice; the earlier the better. 275. Bench-grafting cuttings is unhesi-tatingly recommended by Biolitti ofCalifornia for the following reasonscion are young and of the same size; unions are therefore strongand permanent. Grafting may be done under conditions favorableto rapid and effective work, in any weather, during three or fourmonths, on rainy days when other work is not pressing or cannot. FIG. 176—GRAFTEDGRAPE VINE Note shoot growing fromstock below union at label. Both stock and 214 IKOlACAriON be done. One man who tliorouglily understands all details canoversee several unskilled workmen, making it possible to employcheap labor for much of the work. Cultural conditions are moreeasily controlled. There is less danger of inferior results due toexcessively wet or dry weather during the growing season. Tn thenursery the vines can be cultivated, irrigated and generallj attendedto much more perfectly than in the field. Rigid selection of planting can be made, rendering it possible to have nothing inthe vineyard but strong plants and perfect unions. As perfectstands can be obtained in vineyards the first year in any soil orseason as when planting ordmary non-resistant vines. Unions ofvines can be placed exactly where wanted. Land where the vineyardis to be planted can be used for other crops one year lo
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