RX Green Solutions, .052 oz, Axiom Harpin protein, plant health promoter & plant growth stimulator that activates a plants growth & defense genes resulting in improved plant growth, increased yield & quality, & greater shelf life, produced in nature by certain bacterial plant pathogens & plants develop receptors on their seeds, roots & foliage to detect the presence of Harpin proteins which triggers an early warning system leading to increased plant yields & health, has extensive research & has multi-year university & field tested results on a variety of different crops. This product adds a great value. Product is highly durable & very easy to use. This product is manufactured in China.