|Approved Plant Growth Regulator||Crop||Time of application / purpose||a.i. (ppm/gm/%) (Dosage per ha)||Formulation (ml/gm/L tr/kg/%)||Dilution In Water (Litres) / Preparation of solution||Waiting period / PHI|
between last applicatio n &
|Ethephon 39 % SL||Pine apple||For flower induction||100 ppm||385-513||1500-2000||13 ml in 10 lit of|
|Alpha Naphthyl Acetic Acid 4.5% SL (Na salt)||Pineapple||(a)To induce flowering and uniform growth|
(b)To increase fruit size.
I To delay maturity
– Two weeks before harvest.
|10ppm (In dry weather half strength solution i.e. 5 ppm may be used)|
|1 ml in 4.5 ltrs|
(pour 30-50 ml of solution in to the head of each plant)
10 ml in 4.5 ltrs. (spray to wet the whole plant)
10 ml in 4.5 ltrs.(Wet the whole fruit 2 weeks before harvest.)