crop disease News

  • Predicting disease and improving crops through genetics

    Can scientists accurately predict when an individual will develop a disease? What if we could predict how to increase drought resistance in plants? Or offer patients personalized medicine? Researchers are looking for answers to these questions and more using a plant or animal’s obvious traits, called phenotype prediction, a field that will be discussed in a free workshop presented by the ...

  • Cassava disease monitoring goes mobile

    Mobile phones are the unlikely weapons being used to fight cassava disease in Tanzania, in a collaboration between scientists and farmers. As part of the Digital Early Warning Network (DEWN) farmers from ten districts in the Lake Zone region of Tanzania will be trained to recognise the symptoms of Cassava Mosaic Disease (CMD) and Cassava Brown Streak Disease (CBSD). They will then send monthly ...


    By SciDev.Net

  • Luna® Fungicide Label Expansion Gives Growers New Crops for Broad-Spectrum Disease Control

    Bayer has received notice that the United States Environmental Protection Agency (EPA) has approved an expanded label for Luna® fungicides permitting use on a larger group of fruit, nut and vegetable crops. Once approved in relevant states, these label expansions will be effective across a broad geographical ...


    By Bayer CropScience AG

  • Saving wheat crops worldwide

    In a paper published in the prestigious journal Science, scientists from CSIRO Plant Industry, the University of Zurich and the International Maize and Wheat Improvement Center have identified a wheat gene sequence which provides protection against leaf rust, stripe rust and powdery mildew. “Genetic disease resistance is highly desirable in plants as it is more environmentally friendly and ...

  • Impacts of tillage on soil and crops

    The increasing popularity of reduced tillage on crops has not only been an important development in combating soil erosion, but it has also been associated with increasing organic material and producing high crop yields. For peanut crops, however, reduced tillage has not gained a large acceptance as a viable practice, as findings of inconsistent yields have not encouraged farmers to make a switch ...


    By American Society of Agronomy

  • Disease-resistant wheat varieties debut in Kenya

    A multinational effort supported by the International Atomic Energy Agency and FAO marked a key milestone this week when a Kenyan university debuted two new varieties of disease-resistant wheat to the nation's farmers. Over the past two days, thousands of Kenyan farmers have visited Eldoret University in western Kenya for a two-day agriculture fair highlighting the latest farming technologies. ...

  • Wheat rust diseases remain a constant but neglected threat

    FAO is calling for countries in the global ‘wheat belt’ to step up monitoring and prevention for wheat rusts – fungal diseases that do especially well in particularly wet seasons. Yields could be affected across North Africa, the Middle East into West and South Asia, which account for more than 30 percent of global wheat output and nearly 40 percent of total land area dedicated ...

  • Combatting diseases in the greenhouse before they become visible

    A camera that maps photosynthesis, a DNA test that can measure the slightest traces of pathogens, or a precision spray system that only affects the plant and not the surrounding air… The Gezonde Kas (‘healthy greenhouse’) project has, over the last four years, allowed for the development of a sophisticated system of monitoring and disease control. It is now ready for practical ...

  • 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 ...

  • Drought in Haiti ravages crops for farmers

    Jean-Romain Beltinor plunged a hoe into the rocky dirt on his parched hillside to prepare for planting seeds he does not have. After months of drought in northwest Haiti, the subsistence farmer struggles to find food for his 13 children. To earn a little money, he must turn to work that only makes things worse, cutting what little wood remains for charcoal. "The rain isn't falling. I can't feed ...


    By Associated Press

  • Reality check for `miracle` biofuel crop

    The hardy jatropha tree as a biofuel source may not be the panacea for smallholders that some have claimed, say Miyuki Iiyama and James Onchieku. It sounds too good to be true: a biofuel crop that grows on semi-arid lands and degraded soils, replaces fossil fuels in developing countries and brings huge injections of cash to poor smallholders. That is what some are claiming for Jatropha curcas, ...


    By SciDev.Net

  • Some but not all plants can defend themselves against disease on saline soil

    Some plants with resistance against a specific disease are also able to defend themselves effectively when they are stressed due to, for example, drought or saline soil. At the same time, the resistance of other plants no longer functions in these very same conditions. Although this had been assumed for some time, Wageningen scientist Christos Kissoudis is the first person to show why. As a ...

  • Growers: Wheat Nearing Critical Growth Stage, Time to Scout for Foliar Disease

    Wheat in Ohio is nearing the critical growth stage, and with recent heavy rainfalls and the forecast calling for cooler temperatures over the next few days, growers should scout their fields for any indication of disease development, said a wheat expert from Ohio State University’s College of Food, Agricultural, and Environmental Sciences. The rainy weather helps to create conditions ...


    By Ohio State University

  • UF/IFAS Finding Could Help Farmers Stop Potato, Tomato Disease

    A University of Florida scientist has pinpointed Mexico as the origin of the pathogen that caused the 1840s Irish Potato Famine, a finding that may help researchers solve the $6 billion-a-year disease that continues to evolve and torment potato and tomato growers around the world. A disease called “late blight” killed most of Ireland’s potatoes, while today it costs Florida ...

  • FAO urges countries to step up action against destructive banana disease

    The Food and Agriculture Organization of the United Nations (FAO) is warning countries to step up monitoring, reporting and prevention of one of the world’s most destructive banana diseases, Fusarium wilt, which recently spread from Asia to Africa and the Middle East, and which has the potential to affect countries in Latin America. The ...

  • Climate change`s effects on plant disease `under-researched`

    Africa needs more research to address the information gaps on the impact of climate change on diseases, infections and epidemics caused by plant viruses, according to a study. Researchers at the University of Western Australia conducted a review of existing literature, and found that the research gaps include a lack of ...


    By SciDev.Net

  • Reducing greenhouse emissions could cut global disease burden by 25% - WHO

    The World Health Organisation urged policy makers to consider the serious implications of climate change on health, at a conference in Copenhagen on 10-12 March. Speaking at the conference - Climate Change Global Risks, Challenges, and Decisions - the World Health Organisation (WHO) argued that improving environmental conditions could help reduce the global disease burden by more than 25%. ...

  • Keeping plant pests and diseases at bay: experts focus on global measures

    How to prevent insects, bacteria, viruses and weeds from infesting fruit, vegetable and other plant and food consignments and then spreading across the world is the focus of a four-day gathering of international experts which began at FAO today. The annual meeting of the Commission on Phytosanitary Measures (CPM), the ...

  • UF/IFAS scientists find potential biological control for avocado-ravaging disease

    University of Florida scientists believe they’ve found what could be the first biological control strategy against laurel wilt, a disease that threatens the state’s $54 million-a-year avocado industry. Red ambrosia beetles bore holes into healthy avocado trees, bringing with them the pathogen that causes laurel wilt. Growers control the beetles that carry and spread laurel wilt by ...


    By University of Florida

  • Bhutan faces crop losses from erratic climate

    Agricultural experts in the Himalayan country of Bhutan — a least developed country — are concerned at increasing crop losses in recent years, attributable to global warming. The losses, which began around 2004, are the direct result of increasing pest attacks and disease, erratic rainfall, windstorms, droughts, flash floods and landslides, officials said. The country’s ...


    By SciDev.Net

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