What are the five worst invasive plants in South Africa?

Five worst invasive plants in South Africa

• Pompom weed (Campuloclinium macrocephalum) – Category 1b.
• Water hyacinth (Eichhornia crassipes) –
• Famine weed (Parthenium hysterophorus) – Category 1b.
• Lantana (Lantana camara) – Category 1b.
• Bugweed (Solanum mauritianum) – Category 1b.

How many invasive plants are in South Africa?

More about categories of Invasive Alien Plants. The regulation listed a total of 559 alien species as invasive and further 560 species are listed as prohibited and may not be introduced into South Africa. Below is a brief explanation of the four categories of Invasive Alien Plants as per the regulation.

Are there any invasive species in South Africa?

They report that 7 new species are introduced into South Africa each year, and that about 775 invasive species have been identified so far. This contrasts with the 556 invasive taxa listed in the government’s 2014 regulations on invasive species.

What is the most invasive plant?

Welcome to the “Kudzu Project.” Kudzu are a breed of spiraling, scaling, spreading vines native to Japan. The plants are, according to legend, the most invasive plant species in the world, possessed with the ability to climb over trees so quickly they suffocate and kill the branches and trunks they shade from the sun.

How many invasive plants are there in South Africa?

In South Africa there is a total of 383 invasive plant species that must be controlled and these species are listed in the NEMBA Alien and Invasive Species list of 2016. Some of the most threatening and most popular IAP’s in South Africa is the Rooikrans, Black Wattle, and Port Jackson trees (CapeNature, 2016). Impacts of Invasive alien plants:

How are invasive alien plants controlled in South Africa?

Research into the biological control of invasive alien plants is the main activity of the Weeds Research Programme of ARC-PPRI. Read more about the important role the Working for Water Programme plays in the biological control of invasive alien plants in South Africa.

Which is the worst invasive plant in the world?

Water hyacinth is one of the world’s worst aquatic weed due to its invasive potential, negative impact on aquatic ecosystems, and the high rate of costs to control it. This invader forms dense mats which completely cover the water surface of dams leading to altered water chemistry and composition to the detriment of other organisms.

What kind of fish are invasive in South Africa?

Invasive species of fish include: Ctenopharyngodon idella – grass carp. Cyprinus carpio – common carp. Gambusia affinis – western mosquitofish. Hypophthalmichthys molitrix – silver carp. Lepomis macrochirus – bluegill.