Diamine putrescine accumulates due to deficiency of

Diamine Putrescine accumulates due to deficiency of Potassium (K).
Putrescine has the potential to be a useful biomarker to reveal potassium deficiency. It is an organic compound containing a primary aliphatic amine group. Its chemical formula is C₄H₁₂N₂ and is classified as a diamine.
Putrescine is found in all organisms. It play role in stress responses in plants, both to biotic and abiotic stressors.