Vol. 7 (4) : July-August 2016 issue
Green Farming Vol. 7 (4) : 983-986 ; July-August, 2016
Effect of pre-flowering defoliation on yield and quality of Thompson Seedless grape (Vitis vinifera L.)
T.S. SHELKE1, S.S. TAPKIR2 and T.S. MUNGARE3*
Maharashtra State Grape Growers’ Association, Manjri Farm PO, Pune – 412 307 (Maharashtra)
Designation : 1Farm Manager 2Jr. Chemist, 3Asstt. Gen. Manager *(mrdbsho@gmail.com)
Subject : Fruit Science and Pomology
Paper No. : P-4061
Total Pages : 4
Received : 06 August 2015
Revised accepted : 13 May 2016
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Citation :
T.S. SHELKE, S.S. TAPKIR and T.S. MUNGARE. 2016. Effect of pre-flowering defoliation on yield and quality of Thompson Seedless grape (Vitis vinifera L.). Green Farming Vol. 7 (4) : 983-986 ; July-August, 2016
ABSTRACT
The field experiments were conducted for three successive years 2012-2015 at Manjri Farm, Pune to investigate pre-flowering partial defoliation effect on yield and quality of grape cv. Thompson Seedless. The pooled data indicated that amongst the four treatments of pre-flowering defoliation, the removal of 33 per cent of leaves resulted in significantly superior in grape quality and yield. The accumulation of total soluble solids (TSS) in grapes of partial removal of leaves (33% defoliation) was significantly higher compared to non-defoliated vines. There were no significant differences between partially defoliated grape vines to that of non-defoliated ones in respect of total titratable acidity (TTA), but the treatment with 33 per cent removal of leaves recorded minimum (0.57%) acidity in grapes.
Key words :
Berry diameter, Grape yield, Leaf removal, Thompson Seedless grape, TSS, TTA.
