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Vinay, G. M.
- Induction of Off-Season Flowering in Custard Apple (Annona squamosa L.) Cv. Balanagar
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Authors
Affiliations
1 Collage of Horticulture, Bengaluru University of Horticultural science, Bagalkot - 587 123, IN
2 Division of Fruit Crops, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru-560089, IN
1 Collage of Horticulture, Bengaluru University of Horticultural science, Bagalkot - 587 123, IN
2 Division of Fruit Crops, ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru-560089, IN
Source
Journal of Horticultural Sciences, Vol 10, No 1 (2015), Pagination: 13-17Abstract
Pruning and defoliation are essential operations for inducing off-season flowering and fruiting to yield better quality and quantity of fruits in custard apple. Trees were subjected to two levels of pruning (25% and 50%) combined with use of chemical defoliants (urea 5%, Ethrel 2000ppm, potassium iodide 1%, or ortho-phosphoric acid 1%) besides the Control, with each treatment replicated thrice. Early initiation of flowering and better vegetative growth was seen in pruned (25%) and defoliated trees than in the Control or other treatments. Maximum off-season yield (10.33kg/ plant) was obtained in T4 (25% pruning, combined with 5% urea spray as defoliant) and T6 (25% pruning, combined with 1% potassium iodide-spray as defoliant). Findings of this investigation helped standardize pruning and defoliation practices on a scientific basis for off-season production of custard apple fruits.Keywords
Pruning, Defoliation, Off-Season, Custard Apple, Urea.Full Text
References
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