Influence of Chlorsulfuron and Funneliformis mosseae, an Arbuscular Mycorrhizal Fungus on Striga hermonthica Incidence and Sorghum Growth

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I am pleased to share our newly published research article in Weed Research: Influence of Chlorsulfuron and Funneliformis mosseae, an Arbuscular Mycorrhizal Fungus on Striga hermonthica Incidence and Sorghum Growth Authors: Suha H. A. Elhag, Magdam E. Abdelgani, Namia E. Gorashi, Yabets G. Ebren, and Abdel A. G. T. Babiker. The study investigates the effects […]

IPPS November Seminar: Parasitic Plants and the Microbiome — November 18, 2026

With four speakers, we might even call the IPPS November seminar a small symposium. All four talks will explore aspects of parasitic plant–microbiome interactions. Each presentation will last 20–30 minutes, with the session starting at 1 PM and concluding at around 3 PM GMT. The four speakers and their presentation titles are: Olubukola Oluranti Babalola […]

Online survey launched on parasitic plants in African trees crops

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Trees are hosts to a number of parasitic plant species. Two broad categories can be distinguished, based on where they attack the host: root and stem parasites. The main root parasite affecting trees and tree crops in Africa is Thonningia sanguinea. It is widely distributed across the region and is known to parasitize on coffee, […]

New paper published on Striga hermonthica and S. asiatica resistance in maize

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In this study we studied 22 maize genotypes, with a diversity of origins, across field locations in Kenya (one season) and Malawi (two seasons), and in the greenhouse in Wageningen. We identified new maize genotypes with effective broad-spectrum resistance against the parasitic weed Striga, a prevalent biological constraint to crop production on the African continent. […]

Haustorium 90 Now Online

  Haustorium reaches its 90th issue! Many thanks to Chris Parker for his dedication to the newsletter, and to Lytton Musselman and all contributors. This issue takes a closer look at the sunflower broomrape (Orobanche cumana) outbreak near Yakima, USA. Following its discovery in 2025, authorities introduced strict quarantine measures and carried out intensive treatment […]

Same flowers, different lives: floral stasis despite ecological divergence in Andean mistletoes

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Mistletoes depend on animals to pollinate their flowers and disperse their seeds, which makes them a great system to ask how pollinators shape floral evolution. We compared the flowers of four mistletoes from southern South America (Tristerix aphyllus, T. corymbosus, T. verticillatus, and Desmaria mutabilis), whose lineages split at three different moments, from the Eocene […]

The new kids on the block: an unexpected seed disperser for urban mistletoes

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Mistletoe seeds need to be delivered to suitable branches to germinate, so seed dispersers are essential for these parasitic plants. In central Chile, the Chilean mockingbird (Mimus thenca) has long been considered the main disperser of Tristerix corymbosus. But in Curauma, an urban area near Valparaíso where invasive Acacia trees now dominate, we found something […]

Thirsty trees, bigger mistletoes: how the water traits of introduced hosts shape a parasite’s success in the city

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In the city of Valparaíso, central Chile, we studied how the native mistletoe Tristerix corymbosus performs on native and introduced host trees. Mistletoes are parasitic plants that take water and nutrients from their hosts, and in urban areas they are often found on fast-growing introduced trees such as Acacia. We found that introduced hosts had […]

IPPS October Seminar with Xiao-Jian QU and Marco BÜRGER – October 7, 2026

We will continue our IPPS online seminar series with the following talks on October 7th at 1 PM GMT: Xiao-Jian QU from College of Life Sciences, Shandong Normal University, China: “Deciphering Evolution of Parasitism and Rapid Post-fire Resprouting in Alpine Thesium ramosoides” and Marco BÜRGER from Plant Biology Laboratory, Salk Institute for Biological Studies, USA: […]