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Optimization of Potassium Nitrate-Induced Flowering in Mango using Paclobutrazol
Young ‘Carabao’ mango trees which could not be forced to flower with potassium nitrate (KNO3) can be treated with the plant growth regulator paclobutrazol. Paclobutrazol is applied to 7-10 year-old grafted ‘Carabao’ mango trees, regardless of the strain, planted in a square system at a 7 m distance from each other. The trees are drenched at a rate of 1.0 gm/m canopy diameter. The trees can then be forced to flower 120 to 180 days after paclobutrazol is applied using 2% KNO3. Through this technology, mango trees as young as 4 years old can be forced to flower with up to 100% intensity. This technology is currently used in ‘Carabao’ mango trees 4-15 years old, which do not respond to KNO3 treatment.
Agricultural production system
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Public Domain


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