plant pathogen attack News

  • Invasive hogweed plant’s impacts decrease over time

    The damaging impacts of the invasive alien plant, giant hogweed, decline over time, new research from the Czech Republic has concluded. Although this plant initially reduces the native species richness of the grasslands it colonises, the study found that numbers of native species increased again in sites that had been colonised by hogweed for 40 years or longer. Invasive alien species are one of ...

  • European trees planted in China to identify potentially invasive species in our forests

    Most of the exotic species which attack plants in Europe now come from Asia. INRA scientists, together with teams from the Academy of Sciences in Beijing and the Forestry University in Zhejiang have devised a new method for detecting potential invaders in their region of origin before they are introduced on another continent. European sentinel trees were planted in China for four years, and ...

  • Dealing with difficult powdery mildew infections on ornamental crops

    We are now at the peak of the powdery mildew season and, with increasing temperatures and dry weather conditions, susceptible crops are likely to be at high risk of infection. The pathogen There are five different powdery mildew species which attack ornamental crops in the UK. Erysiphe ssp. – this pathogen is mainly ...


    By Certis UK

  • Measures to prevent entry of citrus pests ‘are appropriate’

    Existing measures are effective at protecting the EU from two serious diseases that attack citrus plants. That is the conclusion of risk assessments carried out by EFSA on Phyllosticta citricarpa, the organism which causes citrus black spot, and Xanthomonas citri, which causes citrus canker. Both pathogens present a ...

  • RRI, STRASA and PAU hold workshop on major rice pests and diseases in Southeast Asia

    STRASA (Stress Tolerant Rice for Africa and South Asia), the International Rice Research Institute (IRRI), and Punjab Agricultural University (PAU), Ludhiana, India held a two-day review and planning workshop on major rice pests and diseases in Southeast Asia at Punjab Agricultural University on 15-16 September. Twenty cooperators (13 from India , 3 from IRRI, 3 from Bangladesh. and 1 from Nepal) ...

  • Global stem rust tracker unveiled in China

    A global monitoring system was unveiled today to track the spread of devastating wheat pathogens known as stem rusts, at the 2012 Borlaug Global Rust Initiative (BGRI) Technical Workshop in China. The functional surveillance and monitoring network, the Global Cereal Rust Monitoring System ('Rust Tracker'), now covers 27 countries and a large ...


    By SciDev.Net

  • South Pacific coconut gene bank under threat

    The international collection of the South Pacific's coconut palm species, held at a field gene bank in Papua New Guinea (PNG), is under threat from a disease outbreak close to the gene bank. The warning came at a meeting on the Pacific coconut research and development (R&D) strategy in Samoa last week (1 October–2 November), convened by the Australian Centre for International ...


    By SciDev.Net

  • Pest ants help to improve Indonesian cocoa yields

    Native ants living in cacao trees in Indonesia that are often seen as pests in fact seem to boost their yields, a study suggests. Scientists from Germany, Indonesia and Sweden studying how ant communities affect cocoa yields in Sulawesi found that trees with abundant native ants (Dolichoderus sp.) produced the best yields. In contrast, the yields of cacao trees where ants were excluded were 27 ...


    By SciDev.Net

  • Bayer CropScience acquires European distribution rights for biofungicide Contans from Belchim Crop Protection

    Bayer CropScience announced today that it has acquired the sole European distribution rights for the biological fungicide Contans™ WG from Belchim Crop Protection NV effective October 1, 2014. This acquisition further strengthens Bayer CropScience’s crop protection portfolio and is another step in building up a comprehensive range of biologicals as part of integrated crop solutions. ...


    By Bayer CropScience AG

  • The lurking menace of weeds

    Today more than a billion people in the world are hungry, the result of flawed policies mainly, but also of wars and revolutions and of natural hazards like floods, droughts, pests and diseases compounded, nowadays, by climate change. But one huge hunger-maker lurks largely unnoticed ... 'Maybe it's because weeds are not very spectacular,' says weed expert Ricardo Labrada-Romero.  'Droughts, ...

  • Gardening and Spring Activities Should Include Learning About Invasive Pests That can Devastate America`s Trees

    Now that spring has arrived, and summer is quickly approaching, The Nature Conservancy, along with nursery industry partners and scientists, encourages people to take the time to learn more about tree-killing invasive insects and diseases as they spend more time outdoors. Everyday citizens can help detect forest pests and prevent their spread when are they are observant of the trees and forests ...


    By The Nature Conservancy

  • Fight against wheat rust needs sustained investment

    Developing countries need help with crop surveillance and the development of strains resistant to wheat rust, say agricultural research leaders. Today's food security situation is being worsened by strains of wheat rust disease that are emerging more frequently and spreading much faster and to new areas — changes fuelled by ...


    By SciDev.Net

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