Indian Journal of Science and Technology

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Dwarf ischolar_mainstocks find use to increase yield in a unit area. Therefore, the aim of the study is to compare and examine M9 dwarf and MM106 semi-dwarf ischolar_mainstocks on some vegetative and yield traits of 'Golab-kohanz' (Iranian) and 'Delbarstival' (commercial foreign) cultivars of apple, grown at orchard in Abhar, Iran. Results showed that the 'Golabkohanz' on the MM106 ischolar_mainstock had the most mean shoot length of the current year (39.97 cm) and tree height (198.33 cm). Also 'Golab-kohanz' (6.40 cm), (33.58 cm2) and MM106 ischolar_mainstock (7.39 cm), (33.09 cm2) had the most trunk diameter and trunk cross sectional area respectively. The most internode length of the current year belonged to MM106 ischolar_mainstock (5.12 cm). 'Delbarstival' (141 cm) and M9 Rootstock (133 cm) had the most canopy width tree. Then, 'Delbarstival' on M9 ischolar_mainstock had the most yields of trees (14.61 kg tree-1), yield in hectare (40.56 ton ha-1) and yield efficiency (519.33 kg cm2). Pursuant to results, among experimented ischolar_mainstocks and cultivars, 'Delbarstival' on M9 ischolar_mainstock is the proper compound for achieving the largest yield cropping in intensive planting orchards system in Abhar climatic conditions.

Keywords

Apple, Dwarf And Semi-dwarf Rootstock, Vegetative And Reproductive Traits
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