Naphthalene acetic acid, NAA, is a growth hormone in the auxin family and is an ingredient in many commercial plant rooting horticultural products; it is a rooting agent and used for the vegetative propagation of plants from stem and leaf cutting. It is also used for plant tissue culture.
The application of plant growth regulator in flower production can not only promote flower growth, control plant type, induce flowering and fruiting, prevent flower disease and shedding, but also improve planting efficiency. Promote cutting take root: when cutting, the base of chinese rose branch that length is 6 – 8 centimeters is immersed in concentration 100 – 150 ml naphthalene acetic acid solution, can induce root.
Spray the pineapple leaves with 5 – 10 mg / L naphthalene acetic acid solution to make the pineapple blossom earlier. Using naphthalene acetic acid solution with concentration of 50 – 100 mg / L to spray evenly on the surface of ornamental fruits and flowers can delay the aging of fruits and prolong the flower and flower appreciation period.