potato leave News

  • Managing Late Blight of Potatoes and Tomatoes

    Late blight is one of the most serious diseases of potatoes and tomatoes worldwide, resulting in significant yield and quality losses annually. In Alberta, late blight occurs infrequently, but can have devastating impacts in the years when it reaches epidemic levels.  “This disease is caused by a fungal pathogen called Phytophthora infestans,” says Robert Spencer, ...

  • Vegetables can absorb heavy metals from contaminated irrigation water

    Certain vegetables take up heavy metals from contaminated water used for irrigation, a new study finds. The researchers grew vegetables in greenhouses similar to field conditions in Greece and found that concentrations of nickel and chromium increased in potatoes and onions, but not in carrots, when irrigated with water containing contaminant levels similar to those found in industrial ...

  • Basic food crops dangerously vulnerable

    In the case of wheat, for instance, as a deadly new strain of Black Stem Rust devastates harvests across Africa and Arabia, and threatens the staple food supply of a billion people from Egypt to Pakistan, the areas where potentially crop and life-saving remnant wild wheat relatives grow are only minimally protected. “Our basic food plants have always been vulnerable to attack from new strains of ...

  • “Biofortification” boosts nutrients in Africa’s staple crops

    Whether a bowl of rice or a piece of bread, staple foods provide millions of poor people around the world with a source of basic sustenance day in and day out. Now, a new technology promises to make these foods-which provide calories but do not always contain enough of the micronutrients required for good health-more nutritious. People who intake insufficient amounts of iron, zinc, and vitamin A ...


    By Worldwatch Institute

  • How to prevent the Xanthomonas bacterium from spreading

    Growers of strawberries and strawberry planting material are terrified of the quarantine organism Xanthomonas fragariae. If the bacterium is found, the affected parcel of land has to be partially or even fully cleared. Commissioned by trade association Plantum and the Strawberry Research Foundation, Wageningen UR performed research into how the pathogen is spread in order to prevent spreading. ...

  • Global Forum for Innovations in Agriculture

    The Global Forum for Innovations in Agriculture (GFIA) is presenting itself to the outside world as ‘the world's award-winning sustainable agriculture event’. With 40 ministerial delegations and numerous top figures from the agrifood world, this trade fair and conference is guaranteed to feature many innovations in a wide range of fields. As an innovation partner, Wageningen UR is ...

  • Transgenic Corn Found to Damage Stream Ecosystems

    BLOOMINGTON, Indiana, October 11, 2007 (ENS) - A widely planted variety of genetically engineered corn has the potential to harm aquatic ecosystems, finds a new study by an Indiana University professor of environmental science and his colleagues. Pollen and other plant parts containing toxins from genetically engineered Bt corn are washing into streams near cornfields and harming a ...

  • Reducing the negative impacts of pesticides

    Ensuring that pesticides do not endanger public health or the environment is a key objective of the European Commission. Due to spray-drift, the effects of pesticides are often observed outside of crop fields, where they affect non-target plants, fungi and insects as well as humans. New research discusses the effects of pesticides on non-target species and demonstrates that employment of “best ...

  • Keeping a pulse on the soil

    Leaving behind stubble is not ideal when shaving, but it’s a good practice to leave behind crop “stubble” after harvest. According to soil scientist Frank Larney, crop residue anchors the soil against wind and water erosion. Avoiding bare soils is one part of a soil conservation package he and his research team demonstrate in a 12-year experiment growing pulses in southern ...

  • Controlled ‘reset’ for nematode-infested soil

    Harmful nematodes that damage the soil can be controlled by creating an environment in which they are temporarily deprived of oxygen. Covering the soil with plastic film or a layer of water encourages anaerobic bacteria to produce fatty acids, which will kill most nematodes. “It does sometimes take a while,” says Leendert Molendijk, soil expert at Wageningen UR. Molendijk and his ...

  • Is the environment a moral dilemma?

    This season, religion is playing an important role in the discussions around issues like pollution, water depletion, resource hoarding, and emission-driven atmospheric and oceanic changes. Where does science end and morality begin? The separation of church and state in discussions about the environment is breaking down. As Michael Nelson, co-author of ...

  • Chris Huhne delivers CPRE annual lecture - 24 March 2011

    Introduction Thanks very much. I’m delighted to be here today. Eighty-five years ago, a small group gathered here in London changed the landscape of Britain forever. Led by a reluctant statesman, they published a document whose impact on the countryside is felt to this day. I am not referring to Sir Patrick Abercrombie and the pamphlet he wrote that brought ...

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