hormone morphology on Pothos
Quick answer
If your Pothos has hormone morphology, the most likely cause is: Auxin (indole-3-acetic acid) is a key plant hormone that regulates root development in vining aroids like pothos (Epipremnum aureum) through polar transport mediated by PIN-FORMED (PIN) efflux carriers and AUX1 influx carriers. Directional auxin flow from shoot apex to root tip establishes concentration gradients that determine root hair initiation sites and primary root elongation rates. In pothos, auxin accumulates at the root cap and promotes adventitious root emergence from nodes when cuttings are placed in water or soil.
Start here:
- 1. Ensure nodes are submerged in propagation water to allow auxin-driven adventitious root emergence
- 2. Maintain 65-75°F (18-24°C) temperatures for optimal auxin transport velocity (~10mm/hour)
Why Pothos gets hormone morphology
Epipremnum aureum
Auxin (indole-3-acetic acid) is a key plant hormone that regulates root development in vining aroids like pothos (Epipremnum aureum) through polar transport mediated by PIN-FORMED (PIN) efflux carriers and AUX1 influx carriers. Directional auxin flow from shoot apex to root tip establishes concentration gradients that determine root hair initiation sites and primary root elongation rates. In pothos, auxin accumulates at the root cap and promotes adventitious root emergence from nodes when cuttings are placed in water or soil.
How to reverse hormone morphology on Pothos
- 1
Ensure nodes are submerged in propagation water to allow auxin-driven adventitious root emergence
- 2
Maintain 65-75°F (18-24°C) temperatures for optimal auxin transport velocity (~10mm/hour)
- 3
Avoid rooting hormones with excessive auxin (>5000 ppm) on pothos nodes as it can inhibit rather than promote root emergence
- 4
Provide bright indirect light to maintain shoot apex auxin synthesis without photoinhibition
Keep hormone morphology off this Pothos
When propagating pothos, select cuttings with 2-3 mature nodes; auxin synthesized in young leaves at the apex flows polarly downward, accumulating at nodes to trigger adventitious root initiation within 7-14 days in optimal conditions.
Other Pothos problems
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