Alpha Naphthyl Acetic Acid 4.5% SL Plant Growth Regulator Liquid For Chilli, Mango
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Company / Manufacture Katyayani Organics Best Selling
Country of origin: India




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  • 750 ML 250 ML x 3 Qty 768.00
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  • 10 Litre 1 L x 10 Qty 7,675.00

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Alpha Napthyl Acetic Acid 4.5% SL Plant growth regulator for use in Pineapple, Tomato, Chilli, Mango, Cotton and Grapes only.

Dosage: 1-1.5 ml in 4.5 ltr of water

Alpha Naphthyl Acetic Acid 4.5 SL (4.5% w/w)

it is an aqueous solution containing 4.5% (w/w) of Alpha napthyl acetic acid active ingredient. It is a plant growth regulator used for the purpose of inducing flowering, preventing shedding of flower buds and unripe fruits. It helps in enlarging fruit size, increasing and improving the quality and yield of fruits.

MODE OF ACTION : when sprayed on plants prevents the formation of abscission layer by suppressing ethylene gas produced and hence thereby prevents the shedding of flowers, buds and fruits.


  • Prevents natural shedding of squares, bolls in cotton, flowers in vegetables, chillies, and fruits like mango

  • Reduces pre-harvest berry drop in grapes

  • Increases fruit size in pineapple and grapes


  • Should be sprayed during cool part of the day

  • Though compatible with most pesticides, individual application will give good result

  • Standard solution :

    • 1.5 ml liquid in 4.5 L of water 


  1. Apply just before expected flowering
  2. Drench the whole fruit but avoid the spray drift to young crop
  3. Again, wet the whole fruit 2 weeks before harvest

Tomato: At the time of flowering apply twice


  1. First, spray during flowering
  2. Second spray 20-30 days after spray (2 applications)


  1. First, spray when tender fruits are of pea size
  2. Malformation before fruit bud differentiation- approximate 3 month before flowering


  1. First, spray at pruning
  2. Second spray when flowering starts
Address of origin: Bhopal, MADHYA PRADESH, 462016