It is one of the extensively used plant growth regulators used especially in mango fruit. Primarily, the role of paclobutrazol is to inhibit gibberellin synthesis and promote flowering and fruiting.
Mode of action:
It regulates plant growth by influencing the isoprenoid pathway, inhibiting GA synthesis, decreasing ethylene production, and enhancing the content of both CKs and ABA.
Benefits:
Controlling the foliage growth.
Increasing flowering results to increase yield.
Early flowering with early & enhanced fruit maturity.
Development of better fruit color and size.
Recommendations:
Dosage of PEP STAR varies for different age of Mango tree: