plant pathogen resistance Articles

  • The sensitivity ratio: A superior method to compare plant and pathogen screening tests

    There are numerous plant disease-screening methods used to identify resistance in various crops. It is common practice to prefer the screening method with the smallest root mean square error (RMSE), least-significant difference (LSD), or coefficient of variation (CV). However, valid comparison based on the RMSE or LSD requires both methods to have the same scale while the CV is only applicable if ...

  • New and diverse sources of multiple disease resistance in Wheat

    Tan spot (caused by Pyrenophora tritici-repentis) and Stagonospora nodorum blotch (SNB), (caused by Phaeosphaeria nodorum) are destructive diseases of wheat (Triticum aestivum L.). The majority of currently grown wheat varieties are susceptible to both diseases, presumably because of high pathogenic variability occurring in these fungi or narrow genetic background for resistance in wheat ...

  • Identification of QTL conferring resistance to fusarium head blight resistance in the breeding line c93-3230-24

    Control of Fusarium head blight (FHB), incited primarily by Fusarium graminearum Schwabe [telomorph Gibberella zea (Schwein)], has been a challenge for barley (Hordeum vulgare L.) producers in the upper midwestern United States for more than a decade. This disease manifests primarily in the form of food safety issues and quality discounts due to the presence of deoxynivalenol (DON), a mycotoxin ...

  • What is it about this soil that protects plants from devastating disease?

    Figuring out why certain soils keep plant parasites at bay could be a boon for agriculture around the globe Plants around the world are constantly under attack — often with big implications for humans. In the 1960s, millions of elm trees in Britain, France and the U.S. fell victim to Dutch elm disease, which clogs the vessels that carry life-giving water to the trees’ leaves. ...


    By Ensia

  • Biopesticides Examined for Role in Field Production

    Biopesticides deserve respect. Once derided as snake oil, today’s products have proven benefits in suppressing pest organisms. Whether they activate plant defenses, parasitize or inhibit pathogen growth or make the environment less favourable to disease, they can play an integral role in crop protection. While the greenhouse sector first excelled at incorporating biopesticides in controlled ...

  • Recognition of the Magnaporthe oryzae effector AVR-Pia by the decoy domain of the rice NLR immune receptor RGA5

    Abstract Nucleotide-binding domain and leucine-rich repeat proteins (NLRs) are important receptors in plant immunity that allow recognition of pathogen effectors. The rice NLR RGA5 recognizes the Magnaporthe oryzae effector AVR-Pia through direct interaction. Here, we gained detailed insights into the molecular and structural bases of AVR-Pia-RGA5 interaction and the role of the RATX1 decoy ...


    By H Smith Plastics LTD

  • Crop protection 2.0: reducing environmental impact in the EU Is it feasible?

    By 2023 all EU member states must be complying with more stringent guidelines related to Integrated Pest Management (IPM). “The essence of the new guideline is reducing the environmental impact of pesticides,” says Piet Boonekamp, manager of the Bio-interactions and Plant Health business unit at Wageningen UR. “In principle this European goal can be achieved, as has been shown ...

  • Microbial communities of Solanum tuberosum and magainin-producing transgenic lines

    Antimicrobial peptide magainin II, isolated from the skin of the African clawed toad, has shown activity in vitro against a range of micro-organisms. Transgenic potato lines expressing a synthetic magainin gene show improved resistance to the bacterial plant pathogen, Erwinia carotovora. Culturable bacterial and fungal communities associated with magainin-producing potato plants were compared ...


    By Springer

  • Bulk carbon, oxygen, and hydrogen stable isotope composition of recent resins from amber-producing Hymenaea

    Antimicrobial peptide magainin II, isolated from the skin of the African clawed toad, has shown activity in vitro against a range of micro-organisms. Transgenic potato lines expressing a synthetic magainin gene show improved resistance to the bacterial plant pathogen, Erwinia carotovora. Culturable bacterial and fungal communities associated with magainin-producing potato plants were compared ...


    By Springer

  • Arbuscular mycorrhizal colonization response to three seed-applied fungicides

    In soybean [Glycine max (L.) Merr.], arbuscular mycorrhizae (AM) enhance nutrient and water status and may increase root resistance to soilborne pathogens. However, the fungicides that are routinely applied to the seed may reduce AM colonization, reducing these benefits. Thus, the objective of this research was to assess the effect of three commonly used seed-applied fungicides on AM colonization ...

  • Potassium and winter hardiness

    The role of Potassium in metabolic processes such as protein synthesis and the movement of sugars within the plant is now well understood and recognised as crucial for maximising quality and yield. But it is now known Potassium also plays a significant role in helping crops resist disease and environmental stresses during winter dormancy and ensuring optimum supplies of Potassium to see crops ...


    By Ilex EnviroSciences Limited

  • How to Feed Cichlids Properly

    Cichlids look so beautiful and fascinating, which deserves us to learn how to feed cichlids in aquarium. Here, Fanway provides some cichlids feeding tips to make fish and aquatic plant won healthy and vivacious life. In order to make the aquarium breeding work successful from the start, FANWAY plans ...


    By Fanway Fish Feed Machinery

  • Hyphal growth: a tale of motors, lipids, and the spitzenkorper

    Filamentous fungi are a large and evolutionarily successful group of organisms of enormous ecological importance (27, 114). Fungi also have a considerable impact on our economy because they serve as bio-factories for the industrial production of proteins (90, 130) and because many fungi are human and plant pathogens that pose a threat to public health and agriculture (1, 105, 124). The basic ...

  • The Man Who Discovered the "Divine Materials" in Compost

    Untitled Document BioCycle July 2004, Vol. 45, No. 7, p. 58 Compost life continues bright, vigorous and upstream for Harry Hoitink, as he ...


    By BioCycle Magazine

  • California Vineyard Finds Large Role for Compost

    Untitled Document I CAME to Robert Sinskey Vineyards (RSV) with experience in both small and large-scale wine-grape farming, all of it in ...


    By BioCycle Magazine

  • Building a Safe Pesticides Industry with Bioproducts and Biomethods

    Three publications on my desk are the motivating factors behind this issue’s Compost Users Forum. The first is our own Compost Science & Utilization (Summer, l999), a journal that reports research throughout the world dealing with the process and product of compost making. The initial report in this issue is titled: “Prospects for Composts and Biocontrol Agents as Substitutes for Methyl ...


    By BioCycle Magazine

  • New approaches are needed for another Green Revolution

    Twenty-first century agriculture needs low-input advances like the System of Rice Intensification, says Norman Uphoff. According to the principle of diminishing returns, continuing to produce something in the same way, with the same inputs and technology, ...


    By SciDev.Net

  • Calendar reports from growers and distributors for A100 case study

    Reports 6th July Des Boxall - Queensland Reports that a baby squash grower noted increased growth rates 3 days after inoculation and, after 7 days, an increase in the number of flowers obtained. 29th July Wonder Gardens Pty - Fiji One week after dosing Lettuce section No.3 doing exceptionally well (1 week transplanted) ...


    By Cleveland Biotech Ltd.

  • Ontario Horticulture Research Priority Report 2016

    Sector Consultation The Ontario Fruit and Vegetable Growers Association partnered with Vineland to host a research strategy workshop in November 2014 with the goal of defining the top five research priorities for each crop group. Grower organizations were invited to nominate two representatives to participate on their behalf and a number of researchers from relevant fields were invited to ...

  • The Latest in Whitefly Control

    Next month’s Greenhouse Canada Grower Day is welcoming leading researchers and crop specialists to help you tackle one of the industry’s biggest challenges. Whitefly is proving to be one of the most difficult pests to control, mainly due to the lack of effective registered chemicals that can eradicate silverleaf whitefly. It is also due to the unwillingness of biological suppliers to ...

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