Foliar application of ‘NAA’ to prevent flower and fruit shedding:

Foliar application of ‘Planofix’ (Napthyl Acetic Acid – ‘NAA’) to prevent flower and fruit shedding:

It is a plant hormone spray with Napthyl Acetic Acid content of 4.5% SL. This plant growth regulator is used for
(1) to induce flowering, to prevent shedding of buds, flowers and unripe fruits.
(2) to enlarge fruit size
(3) to increase the yield and to improve the quality of fruits.

Recommendation:

Crop	Time and purpose of application	No. of sprays	Dosage
Cotton	50,70,85 days to check falling of flowers and bolls.	3	20 ppm i.e. 2 ml in 4.5 ltrs.
Watermelon	Spray after fruit set. To increase size and quality of fruit.	2	100 ppm i.e. 10 ml in 4.5 ltrs
Tomato Brinjal	At the time of flowering	2	10 ml in 10 litres of water
Chillies Peas	At the time of flowering	2	2.22 ml in 10 litres of water
Citrus	Spray when the fruits are in Peas size.	1	2.22 ml in 10 litres of water
Mango	To control Mango malformation: Spray approx. 3 months before flowering i.e. before inflorescence budding differentiation.	2	4.4 ml in 10 ltrs of water (Rd. to 5 ml in 10 litres of water i.e. 50 ppm (0.05%)
	Spray when the fruits are in Peas size	2
	Spray when the fruits are of 2 cm in Dia.	2

• 10 ppm – Standard Solution (1 ml of ‘Planofix’ in 4.5 litres of water)

( 1 / 4.5 = 0.022 ml i.e. 22 ppm (0.0022% is a wrong calculation).
100 ppm – (10 ml of ‘Planofix’ in 4.5 litres of water)

• Should be sprayed during cool part of the day and avoid excessive hot day.
  
• Though compatible with most pesticides, individual application will give good results. Compatible with 1% Urea as foliar nutritional spray, but care must be taken to mix these together just immediately before use.

(Courtesy : BASF)