Weed Management on Plantain Cultivation

Weeds can be hand-pulled or chemically controlled. Paraquat and simazine are appropriate herbicides since they control the weeds without affecting the plantains, unless leaves are accidentally sprayed. Glyphosate, diuron and gramuron are not recommended as they can be phytotoxic to plantains.
Plantains should always be weed-free. Weed control starts during field preparation. Weeds are initially controlled about every 6 to 8 weeks; but when the plantain canopy closes, about 5 to 6 months after planting, weed infestation declines due to shading. Any plant with a superficial root system
should be considered a weed and therefore eliminated.
Grasses or herbs are the most pernicious weeds because they derive their nutrients from the same level of the soil as the plantains. Tree seedlings are not considered to be weeds.
Weeds can be controlled through mulching, chemically or manually. Mulchingis the most efficient means, because a mulch layer can impede or prevent weed growth. Chemical control is expensive and in some circumstances also dangerous. Manual weeding is not recommended, although the weeds are thereby effectively controlled, because slashing or hoe weeding inevitably damages the plantain root system. However, sometimes manual weeding is the only possible method.

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