PARASITE news

PARASITE decision making tool RAAIS applied in Kazakhstan

Rapid Appraisal of Agricultural Innovation Systems (RAAIS) has been applied in a program on climate change adaptation in Southeast Kazakhstan. The authors reflect on the usefulness of the RAAIS approach and consider the overall effectiveness of the method as a research tool, practical issues in the implementation ofworkshops, definition of and selection of participant groups, as well as the questions of participation and

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NEW PUBLICATION: Parasitic weeds in rice cost African economies USD200M per year

A new paper entitled: ‘Parasitic weed incidence and related economic losses in rice in Africa’ by J. Rodenburg, M. Demont , S. Zwart and L. Bastiaans has just appeared in Agriculture, Ecosystems and Environment 235 (306-317). The paper is one of the outputs of the PARASITE-project. The paper presents a method for estimating the economic impact of parasitic weeds in

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NEW PUBLICATION: Facultative parasitism of Rice Vampireweed

A new paper ‘Host influence on germination and reproduction of the facultative hemi-parasitic weed Rhamphicarpa fistulosa’ was published in Annals of Applied biology in which the germination ecology and parasitism of the facultative parasitic plant, Rhamphicarpa fistulosa (Rice Vampireweed) were investigated in comparison with the obligate parasitic plant Striga hermonthica (Purple Witchweed). We hypothesized that, being a wetland species, germination of

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New PARASITE publication on “rice yields under Rhamphicarpa fistulosa-infested field conditions”

This study reports on the existence of resistance and tolerance against Rhamphicarpa fistulosa as well as on yield levels and relative yield losses incurred under R. fistulosa infested field conditions among a range of adapted lowland rice varieties. The facultative parasitic weed Rhamphicarpa fistulosa, is a widespread problem in rain-fed rice production systems in Africa. Little is known about rice

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Uganda’s struggle with Striga… or is it Rhamphicarpa??

Last week we discovered the following YouTube message: “A parasitic weed has invaded and destroyed over 50 acres of Rice Plantations in Iganga Distinct leaving many farmers counting losses. The weeds identified as Striga have caused massive damage in a space of just two weeks in Buyanga Sub-county": https://www.youtube.com/watch?v=wCxpFNQwVjc This video, produced for the Ugandan national television station NTV, shows rice

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New video on how African rice farmers can reduce Striga problems in their crop

New video on how African rice farmers can reduce Striga problems in their crop A farmer-to-farmer instruction video on the parasitic weed Striga and soil management in upland rice has been produced by the Africa Rice Center(AfricaRice) and its partners as part of the African Development Bank-funded project ‘Support to Agricultural Research for Development of Strategic Crops in Africa (SARD-SC). Striga is a

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Seminar on the PARASITE Project at FAO

On Monday 10th August 2015, Josey Kamanda gave a talk entitled "Preparing African Rice Farmers Against Parasitic Weeds in a Changing Environment (PARASITE): A Transdisciplinary Approach" at the FAO headquarters in Rome. The talk was part of a seminar series for FAO's Plant Production and Protection Division (AGP). Dr Gualbert Gbèhounou – a member of the PARASITE project, also attended the

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Farmers Field Day in Kyela, Tanzania on 13 June 2015

As part of the PhD project of Dennis Tippe, participatory field trials on acceptable technologies against the parasitic weeds of rice are being conducted in Kyela, Tanzania. It was a continuation of the technology evaluation and selection done by farmers on Striga asiatica and Rhamphicarpa fistulosa management during 2012, 2013 and 2014. Rice farmers from the two villages of Kilasilo

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PhD graduation Josey Kamanda

On Wednesday 8 July 2015, PARASITE postdoc Josey  Kamanda successfully defended his PhD work at the University of Hohenheim in Stuttgart, Germany. The thesis, supervised by Prof. Dr. Regina Birner, examined the dilemma faced by international agricultural research centres under the CGIAR in defining their functional boundaries. Josey graduated with the highest grade (1.0 – Sehr Gut [very good]). Summary

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Stella Kabiri awarded best-poster-award EWRS

During the recent EWRS (European Weed Research Society)-symposium on ‘Weed Management in Changing Environments’ held in SupAgro, Montpellier, France, from 23-26 June 2015, Stella Kabiri was awarded the prestigious best-poster-award. The title of her poster was: ‘Exploring the life-history strategy of the facultative root parasitic weed Rhamphicarpa fistulosa’. In her poster, co-authored by Aad van Ast, Jonne Rodenburg and Lammert

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