Tag Archives: NAA horticultural applications

1-Naphthaleneacetic acid (NAA) is a synthetic auxin-type plant growth regulator used in agriculture and horticulture for rooting, fruit thinning, fruit retention, reduction of premature fruit drop and other crop-specific growth-management applications. Commercial NAA products require careful formulation because the free-acid form has limited water solubility and its biological activity depends strongly on concentration, pH, application […]