Rose black spot rescue — Cu protectant (Yapraq-Cu stopgap)
Zone: Roses — front of house · Stage: post-bloom / monitoring
Halt Diplocarpon rosae (black spot) progression after confirmed active infection 2026-05-22 + continuing rain. Cu ion surface protectant + Base/Fast/Alga adjuvants for sticking + uptake. NO Bacto-Line in tank (incompatible).
Products (4)
| # | Product | mL/L | Role |
|---|---|---|---|
| 1 | Base-Line | 2.0 | fulvic chelator + mild acidifier, FIRST in tank |
| 2 | Topraq-Cu | 4.0 | Cu — fungicidal ion (2x nutritional dose for protective coverage). CONTAINS NAA — post-bloom only. |
| 3 | Fast-Line | 1.5 | carboxylic acid uptake + leaf wetting |
| 4 | Alga-Line | 2.0 | seaweed sticker — improves Cu adhesion + drought/disease stress tolerance |