The pH Factor: Stability of Pesticides in Solution

Pesticide stability is heavily influenced by spray solution pH; for example, the fungicide fluazinam remains stable at acidic pH (pH 4) but degrades rapidly at neutral to alkaline pH (pH 7–9). This shift in stability affects half-life and field efficacy. Adjusting water pH to appropriate levels is essential to preserve pesticide performance and consistency.

Reference:

Mukhopadhyay, S., et al. (2024). Degradation and residue dynamics of fluazinam in diverse pH conditions. Environmental Science & Pollution Research.

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