Results 61 to 70 of about 6,360 (202)

The Vulnerability of New Zealand Forage Plants to Incursions by New Pests, Pathogens and Weeds, and the Case for Greater Protection

open access: yesNew Zealand Journal of Agricultural Research, Volume 69, Issue 1, February 2026.
We outline the diversity of pests, weeds and plant pathogens absent from New Zealand that threaten forage production, examine their potential import pathways, and outline the challenges of managing them should they arrive. The number and diversity of threats and pathways indicates ongoing incursions are inevitable.
Craig B. Phillips   +9 more
wiley   +1 more source

Quantification of root fungi using signature fatty acids [PDF]

open access: yes, 2004
Both deleterious (pathogenic) and beneficial (mycorrhizal) fungi inhabit plant roots with strong impact on plant growth and health. Various methods have been used to quantify these fungi, such as indirect measurements of plant parameters, disease index ...
Jensen, Birgit   +3 more
core  

Pourriture phytophthoréenne de la luzerne au Québec : distribution géographique des symptômes et étude des facteurs édaphiques pouvant favoriser leur expression [PDF]

open access: yes, 1991
Nous avons observé chez la luzerne (Medicago sativa) des symptômes attribuables à la pourriture phytophthoréenne (Phytophthora megasperma f. sp. medicaginis) dans les 12 régions agricoles du Québec, avec une présence plus marquée dans l'Outaouais, la ...
Martin, J.-G., Richard, C.
core   +1 more source

Impact of the Highly Invasive Signal Crayfish (Pacifastacus leniusculus) on Freshwater Macroinvertebrate Communities

open access: yesFreshwater Biology, Volume 71, Issue 2, February 2026.
ABSTRACT Invasive non‐native species threaten freshwater ecosystems, disrupting the functioning and structure of the food chain and potentially leading to biodiversity loss. As omnivores, crayfish can modify their environment, directly affecting organisms such as macroinvertebrates.
António Barbosa Nogueira   +5 more
wiley   +1 more source

In vitro screening of the effect of three glucosinolate derived nitriles on soil-borne fungi [PDF]

open access: yes, 2006
Glucosinolates are allelochemicals present in all plants of the order Capparales that are hydrolysed by endogenous enzymes (myrosinases) forming a variety of compounds with biological activity.
Bellostas, Natalia   +4 more
core  

Organic intercropping legacy reduces Fusarium pathogens and root rot in subsequent durum wheat

open access: yesCrop Science, Volume 66, Issue 1, January/February 2026.
Abstract Intercropping is a sustainable practice becoming increasingly popular in the Canadian Prairies. However, its long‐term impact on diseases in subsequent sole crops is not well understood. We examined root rot and associated fungal communities in durum wheat [Triticum turgidum L. ssp.
Myriam R. Fernandez   +5 more
wiley   +1 more source

First European Interlaboratory Ring Test Study to Detect DNA of Crayfish and the Crayfish Plague Pathogen From Water Samples

open access: yesEnvironmental DNA, Volume 8, Issue 1, January–February 2026.
This European interlaboratory ring test highlights how methodological differences affect eDNA‐based detection of crayfish and the crayfish plague pathogen, emphasizing the need for harmonized protocols to improve reliability in conservation and disease monitoring efforts.
Patrik Bohman   +39 more
wiley   +1 more source

2007 Kansas Performance Tests with Alfalfa Varieties [PDF]

open access: yes, 2008
The Kansas Agricultural Experiment Station established an official alfalfa performance testing program in 1980 to provide Kansas growers with unbiased performance comparisons on alfalfa varieties marketed in the state.
Lingenfelser, Jane
core   +1 more source

Quantitative Metabarcoding Reveals the Effects of Ecological Factors and Invasive Species on Functional Diversity of Freshwater Insects

open access: yesMolecular Ecology, Volume 35, Issue 1, January 2026.
ABSTRACT Aquatic insects are the most biodiverse freshwater animals. DNA metabarcoding data are increasingly used to assess variation in insect communities, but they are rarely integrated with information on the abundance or biomass of different taxa that can provide key insights into their functional responses.
Elia Lo Parrino   +8 more
wiley   +1 more source

Identification of Quantitative Trait Loci Contributing Partial Resistance to Canadian Isolates of Aphanomyces euteiches in a Pea RIL Population Derived From a New Resistance Source

open access: yesPlant Pathology, Volume 75, Issue 1, January/February 2026.
We examined Aphanomyces root rot resistance in pea accession No. 9292 and identified a major locus on chromosome 4 conferring resistance to two Canadian isolates of Aphanomyces euteiches. This locus represents a valuable target for breeding pea cultivars with durable resistance, particularly for production in western Canada.
Krishna Kishore Gali   +3 more
wiley   +1 more source

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