Vol. 15 No. 1
Effect of tree architecture and variety on growth and yield attributes of apple under UHDP
Author(s): K. K. SRIVASTAVA, D. KUMAR, S. R. SINGH, O. CHAND AND S. PANDEY
Abstract: To find the efficient architecture type for apple under UHDP, experiment was carried out on 3-4 years old plants, results obtained revealed that maximum average yield (6.89 kg tree-1) was noted in Coe Red Fuji irrespective of tree architecture and was minimum in cordon architecture. Maximum mean yield efficiency (0.67 kg cm-2 TCSA) was noted in Granny Smith (V2) and minimum in Spartan (0.37 kg cm-2 TCSA). Tree architecture had great influence on yield efficiency and quality. Maximum yield efficiency (0.67 kg cm-2 TCSA) was noted in vertical axis architecture and minimum (0.42 kg cm-2 TCSA) in cordon architecture. Positive correlation was recorded between fruit weight and yield efficiency under tree architecture. Though, color intensity (Chroma) was comparatively higher in cordon architecture and all the cultivars exhibited higher color intensity in cordon architecture.
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