Invasive weed could cut crop yields by 30 per cent

By Nicholas Okeya. Originally published on SciDev.Net.

807CBEE8640D868CFA8F9478A9EA1FDB
Cuscuta campestris infestation on ornamental plant in Mombasa County, Kenya Copyright: Innocent Ngare

A dangerous invasive alien weed known as field dodder could be a serious menace to agriculture and biodiversity across Sub-Saharan Africa, and reduce crop yields, scientists say.

Continue reading

Parthenium: Controlling the world’s most destructive toxic weed

IMG_5808
Parthenium is toxic to animals and humans when consumed in high enough quantities (© CABI)

The poisonous Parthenium hysterophorus plant is one of the world’s most destructive invasive plant species, threatening biodiversity, food security and human health across numerous countries. The herb is native to Central and South America but has spread to over 40 countries over recent decades including Australia, India, Ethiopia, Swaziland and South Africa.

Continue reading