Study

Effect of carfentrazone-ethyl on three aquatic macrophytes

  • Published source details Glomski L., Poovey A. & Getsinger K. (2006) Effect of carfentrazone-ethyl on three aquatic macrophytes. Journal of Aquatic Plant Management, 44, 67-69

Actions

This study is summarised as evidence for the following.

Action Category

Parrot’s feather: Use of herbicides - carfentrazone-ethyl

Action Link
Control of Freshwater Invasive Species
  1. Parrot’s feather: Use of herbicides - carfentrazone-ethyl

    A small, replicated, controlled, before-and-after, laboratory study conducted in 2003 in the USA (Glomski et al. 2006), found that the application of the herbicide carfentrazone-ethyl reduced growth in parrot’s feather Myriophyllum aquaticum but did not lead to plant death. After 28 days, the biomass of parrot’s feather shoots treated with carfentrazone-ethyl was 29.5–54% lower than untreated plants. However, emerged and submerged foliage remained viable. The study was carried out using 12 1,600 l containers filled with water, each of which contained eight 5 l containers with three 15 cm parrot’s feather stems. Each of the three tested herbicide rates (50, 100 and 200 μg/l) was applied to three 1600 l containers, and plants in three containers were left untreated. Plants from four of the eight 5 l plastic containers placed inside each 1600 l container were harvested, dried and weighed before herbicide application, and the remaining plants were harvested, dried and weighed 28 days after herbicide application.

    (Summarised by: Ricardo Rocha)

Output references

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