Plant Growth Regulator for Tomato

Approved Plant Growth RegulatorCropTime of application / purposea.i. (ppm/gm/%) (Dosage per ha)Formulation (ml/gm/L tr/kg/%)Dilution In Water (Litres) / Preparation of solutionWaiting period / PHI
between last applicatio n             &
harvest (days)
Alpha Naphthyl Acetic Acid 4.5% SL (Na salt)TomatoAt the time of flowering two spray.45 ppm
Ethephon 39 % SLTomatoPost-harvest treatment (for Uniform Ripening)2500 ppm65 ml in 10 lit of
Sodium Para –Nitrophenolate 0.3% SLTomatoFlowering and fruit stages0.5%4ml2007
Triacontanol 0.05% ECTomatoThree sprays at 25, 45 and 65
days after planting
0.125gm0.25 ltr400-500
Triacontanol 0.05%w/w min. GRTomatoBroadcast & mix the desired quantity of granules in soil 2-3 days before sowing.12.5 gm25 kg.
Triacontanol 0.1% EWTomatoThree sprays at 25, 45 and 65 days after planting0.25 gm0.25 ltr.400-500
Gibberellic Acid 0.001%LTomato / Potato
/ Cabbage / Cauliflower
a)  First spray 45 DAS
b) Second spray 65 DAS
0.018gm180 ml.450-500