. Cultivation of the apple in Canada with descriptions and lists of Apples. 12 SELECTION OF NURSERY STOCK In purchasing nursery stock, the most important consideration for those parts of the country where winter injury to roots is liable to occur is to see that the trees are on hardy roots. Unfortunately the great majority of our nurserymen propagate on French crab stock, which is too tender to withstand fully a severe winter without snow protection. The use of such stock will often be attended by partial debility or complete loss of the tree. Over a period of years a tree is no ha
. Cultivation of the apple in Canada with descriptions and lists of Apples. 12 SELECTION OF NURSERY STOCK In purchasing nursery stock, the most important consideration for those parts of the country where winter injury to roots is liable to occur is to see that the trees are on hardy roots. Unfortunately the great majority of our nurserymen propagate on French crab stock, which is too tender to withstand fully a severe winter without snow protection. The use of such stock will often be attended by partial debility or complete loss of the tree. Over a period of years a tree is no hardier than the stock on which it is grafted. Although Wealthy apple trees are considered hardy, yet when grafted on tender stocks they are often lost, due to root injury. The results of the work of the Horti- cultural Division at Ottawa have demonstrated that, when hardy roots are used, root-injury is comparatively rare. Imported stocks are liable to be grown from seed of varieties which are not sufficiently hardy for our northern climate and should not be used by northern propagators if it is at all possible to obtain stocks from bardier varieties. Seed from varieties of crabs like Martha, Transcendent, Hyslop and Quaker Beauty have given stocks which have withstood severe winters at Ottawa. Likewise seed from the hardiest Russian sorts has also proven of value, such varieties as Antonovka, Anisim, and Titovka being used to advantage. f. Fig. 6. Showing relative hardiness between imported stock and stock grown from hardy crabs. The X marks the row of hardy crab stock. In Bulletin No. 86, published by this Division, attention was called to this form of winter injury and a remedy suggested in the use of hardy stocks. After citing the example of the heavy loss in trees at the Central Experimental Farm in 1895-6, due to root-injury, the article says:— " Another reason why we have not been troubled with root-killing during the past twenty years at Ottawa is that practically
Size: 1860px × 1343px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublisher, booksubjectapples
