Naphthyl Acetic Acid Pure (NAA)

🌿 Naphthalene Acetic Acid (NAA) – Advanced Usage Guide (All Crops – India Focus)

🔬 Product Overview

Parameter	Details
Product Name	Naphthalene Acetic Acid (NAA)
Category	Plant Growth Regulator (Auxin Group)
Mode of Action	Controls fruit drop, promotes rooting & fruit set
Nature	Synthetic auxin (more stable than IAA)
Recommended Range	10–50 ppm (crop-dependent)

📌 NAA is widely used for fruit retention, thinning, and rooting applications

🌟 Key Benefits (High-Conversion Section)

Benefit	Impact on Crop
Reduces Flower & Fruit Drop	Higher retention & yield
Improves Fruit Set	Better conversion of flowers to fruits
Promotes Root Growth	Strong early establishment
Enhances Uniformity	Better size & grading
Supports Early Growth	Improved plant vigor
Used for Fruit Thinning	Improves fruit size in some crops

🌱 Crop-wise Application (Stage + DAP – India Crops)

Crop	Stage	DAP	Purpose	Dose (gm/acre)*	PPM	Water	Method
🍅 Tomato	Flowering	30–40 DAP	Reduce flower drop	5–10 gm	20–30 ppm	150–200 L	Foliar
🌶️ Chilli	Flowering	35–45 DAP	Improve fruit set	5–10 gm	20–30 ppm	150 L	Foliar
🍆 Brinjal	Flowering	30–45 DAP	Reduce drop	5–10 gm	20–30 ppm	150 L	Foliar
🍇 Grapes	Pre-Flowering	Before flowering	Fruit set improvement	10–15 gm	30–40 ppm	200 L	Foliar
	Berry Development	After fruit set	Fruit thinning/size	15–20 gm	40–50 ppm	200 L	Foliar
🍌 Banana	Flowering	After shooting	Fruit retention	10–15 gm	30–40 ppm	200 L	Foliar
🥭 Mango	Flowering	Full bloom	Reduce fruit drop	10–20 gm	20–40 ppm	200 L	Foliar
🍊 Citrus	Fruit Set	After fruit set	Prevent drop	10–15 gm	20–30 ppm	200 L	Foliar
🌾 Wheat	Early Stage	20–30 DAP	Root support	5–10 gm	10–20 ppm	150–200 L	Foliar
🌽 Maize	Early Stage	20–30 DAP	Growth support	5–10 gm	10–20 ppm	150–200 L	Foliar
🌿 Sugarcane	Early Stage	30–45 DAP	Root development	10–15 gm	20–30 ppm	200 L	Drench
🫘 Soybean	Flowering	35–45 DAP	Pod setting	5–10 gm	20–30 ppm	150 L	Foliar
🥜 Groundnut	Flowering	30–40 DAP	Peg formation	5–10 gm	20–30 ppm	150 L	Foliar
🌻 Sunflower	Flowering	30–40 DAP	Seed setting	5–10 gm	20–30 ppm	150–200 L	Foliar
🌸 Cotton	Flowering	40–60 DAP	Boll retention	10–15 gm	20–30 ppm	200 L	Foliar

💧 PPM Conversion (Accurate)

Dose	PPM
0.1 gm / 10 L	10 ppm
0.2 gm / 10 L	20 ppm
0.5 gm / 10 L	50 ppm

⚙️ Application Guidelines

Parameter	Recommendation
Spray Time	Morning / Evening
Interval	10–15 days
Sprays	1–2 (mainly flowering stage)
Method	Foliar spray preferred
pH Range	5.5 – 7

🔗 Compatibility Chart (Important)

Input	Compatibility	Remark
Fertilizers (NPK)	✅ Compatible	Supports nutrition
Micronutrients	✅ Compatible	Improves response
PGRs (GA3)	⚠️ Limited	Use carefully
Auxins (IBA/IAA)	❌ Avoid mixing	Same hormone group
6-BA	⚠️ Separate use	Opposite action
Biostimulants	✅ Good	Amino/seaweed ok
Humic Acid	✅ Compatible	Improves uptake
Pesticides	⚠️ Jar test	Required
Alkaline	❌ Avoid	Degrades effectiveness

🌟 Additional Expert Suggestions

Topic	Recommendation
Best Use	Flowering & fruit setting stage
Overdose Risk	Causes excessive thinning
Fruit Crops	Highly effective
Stability	More stable than IAA
Result Time	5–7 days

⚠️ Precautions

Do’s	Don’ts
Use correct ppm	Avoid high dose
Spray at correct stage	Avoid late application
Mix properly	Avoid alkaline water

📌 Important Advisory

👉 “NAA is a plant growth regulator and should be used strictly as per recommended dosage. Overuse may lead to flower or fruit drop. It is strongly recommended to consult an agronomist or agricultural expert before use.”

👉 “Control fruit drop, improve fruit set, and maximize yield with NAA.”