Articles

AXILLARY PANICLE INDUCTION BY CHEMICALS IN MANGO TREE (MANGIFERA INDICA L.)

Article number
645_14
Pages
177 – 182
Language
English
Abstract
Panicle removal by hands has been a common practice for off-season production and as a remedy for poor fruit setting in mango in Taiwan.
However, as artificial panicle removal is tedious and laborious, the possibility of using chemicals as an alternative was tested.
Chemical pruning resulted in a range of from 35% to 64% axillary panicle induction rate in contrast to the 79% for hand pruning.
The average axillary panicle induction rate was greater for hydrogen cyanamide than for calcium cyanamide. ‘Keitt’ had a better induction rate than ‘Irwin’. The best axillary panicle induction rates for ‘Irwin’ and ‘Keitt’ were hydrogen cyanamide 0.75% to 1% and hydrogen cyanamide 1%, respectively.
It took 2 weeks for hand pruning, 2 months for ‘Irwin’ and 30 to 47 days for ‘Keitt’ to produce axillary panicles after treatment.

Publication
Authors
S.-F. Hwang, D.-L. Chen, W.-S. Hu, H. Shü
Keywords
Pruning, flowering, off-season production, hydrogen cyanamide, calcium cyanamide
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