NAA plant growth regulator bulk sourcing

Product Overview Naphthaleneacetic Acid (NAA) Powder is a widely used Plant Growth Regulator belonging to the synthetic auxin family. It plays a key role in regulating plant growth processes such as rooting, fruit thinning, flower and fruit retention, and overall crop development balance. In modern agriculture, NAA Powder is extensively applied in fruit orchards, horticultural crops, and vegetable production systems. It is commonly formulated with Foliar Fertilizers, Growth Promoters, and Plant Extracts to optimize yield, improve crop uniformity, and enhance stress resistance in plants. Content Note: Prepared by our technical team based on current scientific literature. Agricultural claims comply with international regulatory guidelines. Last reviewed: April 2026 According to a study in Plant Growth Regulation (2005), Naphthaleneacetic Acid significantly influences fruit thinning and improves fruit size uniformity in apple and pear orchards. A study published in HortScience (2010) sug…