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An image‐based technique for automated root disease severity assessment using PlantCV [PDF]

open access: yesApplications in Plant Sciences, 2023
Premise Plant disease severity assessments are used to quantify plant–pathogen interactions and identify disease‐resistant lines. One common method for disease assessment involves scoring tissue manually using a semi‐quantitative scale.
Logan D. Pierz   +3 more
doaj   +2 more sources

Latent Dirichlet Allocation reveals tomato root-associated bacterial interactions responding to hairy root disease [PDF]

open access: yesEnvironmental Microbiome
Background Hairy root disease (HRD), caused by rhizogenic Agrobacterium strains, is a significant disease threat to modern hydroponic greenhouses, which can result in up to 15% loss in yield.
Peiyang Huo   +3 more
doaj   +2 more sources

Effects of damping-off caused by Rhizoctonia solani anastomosis group 2-1 on roots of wheat and oil seed rape quantified using X-ray Computed Tomography and real-time PCR [PDF]

open access: yesFrontiers in Plant Science, 2015
Rhizoctonia solani is a plant pathogenic fungus that causes significant establishment and yield losses to several important food crops globally. This is the first application of high resolution X-ray micro Computed Tomography (X-ray µCT) and real-time ...
Craig J. Sturrock   +5 more
doaj   +4 more sources

Characterizing the Phytotoxic Effects of Hydrogen Peroxide Root Dips on Hybrid Phalaenopsis Orchid Plants

open access: yesHortTechnology, 2021
Hydrogen peroxide (H2O2) is a well-known oxidizing agent often used as a remedy by consumers to treat algae and root decay from presumed root disease on interior plants, as well as to encourage root growth and health.
Renata Goossen, Kimberly A. Williams
doaj   +1 more source

Inoculum production of Phytophthora medicaginis can be used to screen for partial resistance in chickpea genotypes

open access: yesFrontiers in Plant Science, 2023
Phytophthora root rot caused by Phytophthora medicaginis is an important disease of chickpeas (Cicer arietinum) in Australia with limited management options, increasing reliance on breeding for improved levels of genetic resistance.
Sean L. Bithell   +4 more
doaj   +1 more source

Aggressiveness of Phytophthora cinnamomi in avocado seedlings and effect of pathogen inoculum concentration and substrate flooding periods on root rot and development of the plants [PDF]

open access: yesRevista Brasileira de Fruticultura, 2020
The present study evaluated the aggressiveness of Phytophthora cinnamomi isolates and the effect of pathogen inoculum concentration and periods of substrate flooding on root rot and plant development.
Ivan Herman Fischer   +4 more
doaj   +2 more sources

Predicting Present and Future Suitable Climate Spaces (Potential Distributions) for an Armillaria Root Disease Pathogen (Armillaria solidipes) and Its Host, Douglas-fir (Pseudotsuga menziesii), Under Changing Climates

open access: yesFrontiers in Forests and Global Change, 2021
Climate change and associated disturbances are expected to exacerbate forest root diseases because of altered distributions of existing and emerging forest pathogens and predisposition of trees due to climatic maladaptation and other disturbances ...
Mee-Sook Kim   +5 more
doaj   +1 more source

Purinoceptor P2K1/DORN1 Enhances Plant Resistance Against a Soilborne Fungal Pathogen, Rhizoctonia solani

open access: yesFrontiers in Plant Science, 2020
The purinoceptor P2K1/DORN1 recognizes extracellular ATP, a damage-associated molecular pattern (DAMP) released upon cellular disruption by wounding and necrosis, which in turn, boost plant innate immunity.
Sonika Kumar   +4 more
doaj   +1 more source

Phymatotrichopsis root rot and its biological control in the pecan tree in Mexico

open access: yesNotulae Scientia Biologicae, 2022
In Mexico, phymatotrichopsis root rot is regarded as the most important disease in the pecan tree. Its causative agent is the fungus Phymatotrichopsis omnivora (Duggar) Hennebert, and the percentage of diseased trees ranges between 3 to more than 25% in
Sandra PÉREZ ÁLVAREZ   +4 more
doaj   +1 more source

Root Disease Fungi [PDF]

open access: yesNature, 1945
TO the plant pathologist, at work on a root disease, there quickly comes a realization of the enormous complexity and essentially dynamic nature of his problem: the soil, its organisms, and their vagaries make a whole world. But it is a world susceptible to the methods of science, and already, in some instances at least, results based on exact ...
  +4 more sources

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