Propyl dihydrojasmonate (PDJ) is a synthetic plant growth regulator, which is similar in structure to jasmonic acid (JA), a natural plant regulator commonly found in vascular plants, and has the same function and similar mode of action, and is low in environmental toxicity.
Propyl dihydrojasmonate (PDJ) can increase the clusters, single-grain weight and soluble solids content of Fujiminori grapes, and promote fruit coloring.
Propyl dihydrojasmonate (PDJ) is used to improve apple color, and improve the cold, drought and virus resistance of wheat, corn and rice.
Compared with abscisic acid and ethephon, Propyl dihydrojasmonate (PDJ) will not cause leaf fall and fruit loss, and can promote the healthy maturity of grapes, cherries, apples, etc. in advance, perfect coloring, and effectively improve fruit quality. After Propyl dihydrojasmonate (PDJ) treatment, the anthocyanin content of the fruit increased significantly, promoting coloring and early fruit maturation. The soluble solid content reached the highest value, the acid content reached the lowest value, the sugar-acid ratio was the largest, the anthocyanin content reached the highest value, and the coloring period was advanced by 6 days.
Propyl dihydrojasmonate (PDJ) also has other physiological effects, mainly including participating in plant stress resistance as an endogenous signal molecule (mediating plant defense against pathogens, insects and abiotic stresses, etc.), regulating plant growth and development (inducing seed germination, plant flowering, fruit ripening, etc.), and has application functions similar to abscisic acid.
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