[Productivity of apple orchard on rootstocks 62-396 and 54-118 with small crown]
2006
Ignatkova, N.V.,National Academy of Sciences. Scientific and Practical Center for Potato, Vegetable and Fruit Growing (Belarus). Institute for Fruit Growing
The data on growth and productivity indices of Antey and Tellisaare the apple tree varieties on 62-396 and 54-118 rootstocks were collected in 2001-2005. In row spacing varied from 1.5 to 3.0 m, planting density was 833-1666 trees/ha. The decrease in trunk cross-sectional area and crown volume occurred when in-row spacing diminished. High cumulative yield effectiveness (kg per tree) for five years was obtained for Antey and Tellisaare varieties on 62-396 and 54-118 rootstocks with in-row spacing 2.5-3.5 m, which accounted for 200.5-229.8 kg/tree and 66.9-97.7 kg/tree, correspondingly. With the increase in planting density the tree productivity decreased by 1.3-1.1 correspondingly. The highest crop yield per ha in growth of 12-16 years after planting has decreased at all the sort-rootstock combinations under planting scheme 4 x 1,5 m. The comparative evaluation of studying varieties during period 2001-2005 has indicated that on power of trees growth the greater height of a crown (0 3,6-4,0 m) has been noted at a Tellisaare variety on rootstocks 62-396 and 54-118. The lesser height of a crown (3,0-3,4 m) was at a Antey variety under the same rootstocks. The crown height of Antey tree variety was less on 15% than at Tellisaare variety
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