Results 11 to 20 of about 162,451 (217)

Pathogenesis-Related Proteins (PRs) with Enzyme Activity Activating Plant Defense Responses

open access: yesPlants, 2023
Throughout evolution, plants have developed a highly complex defense system against different threats, including phytopathogens. Plant defense depends on constitutive and induced factors combined as defense mechanisms.
Cristiane dos Santos   +1 more
doaj   +1 more source

Impacts of nitrogen on plant disease severity and plant defense mechanism

open access: yesFundamental and Applied Agriculture, 2020
Nitrogen(N) is considered the most important factor to help the growth and development of plants. This is the building block for plant protoplasm and the chlorophyll molecule component for the photosynthesis process as well.
Shishir Sharma
doaj   +1 more source

Transmethylation and the general defense reaction of plants

open access: yesInternational Journal of Horticultural Science, 2007
Plant breeding for resistance, namely building specific resistance genes into cultivated plants to ensure resistance against certain pathogen species, is a several-decade-long practice.
E. Szarka   +3 more
doaj   +1 more source

Multifaceted defense and counter-defense in co-evolutionary arms race between plants and viruses

open access: yesCommunicative & Integrative Biology, 2017
Plants have evolved sophisticated surveillance and defense mechanisms against constant attacks by different types of microbial pathogens including viruses.
Xiaofei Cheng, Aiming Wang
doaj   +1 more source

Limited infection by ‘Candidatus Liberibacter asiaticus’ in ‘Valencia’ sweet orange trees in the presence of Citrus tristeza virus

open access: yesJournal of Integrative Agriculture, 2019
Huanglongbing (HLB) is the most destructive disease of citrus and is associated with ‘Candidatus Liberibacter asiaticus’ (CLas), a member of the α-proteobacteria.
Shi-min FU   +3 more
doaj   +1 more source

Genome-wide dynamic network analysis reveals the potential genes for MeJA-induced growth-to-defense transition

open access: yesBMC Plant Biology, 2021
Background Methyl jasmonate (MeJA), which has been identified as a lipid-derived stress hormone, mediates plant resistance to biotic/abiotic stress.
Tengfei Wang, Xiujun Zhang
doaj   +1 more source

A comprehensive meta-analysis reveals the key variables and scope of seed defense priming

open access: yesFrontiers in Plant Science, 2023
BackgroundWhen encountered with pathogens or herbivores, the activation of plant defense results in a penalty in plant fitness. Even though plant priming has the potential of enhancing resistance without fitness cost, hurdles such as mode of application ...
Lucia Talavera-Mateo   +2 more
doaj   +1 more source

Plant defense elicitors: plant fitness versus wheat stem sawfly [PDF]

open access: yesPeerJ, 2018
The wheat stem sawfly (WSS), Cephus cinctus Norton, is an important wheat pest in the Northern Great Plains of the USA. No single control measure effectively suppresses WSS damage.
Govinda Shrestha   +2 more
doaj   +2 more sources

Tetranychus evansi spider mite populations suppress tomato defenses to varying degrees

open access: yesEcology and Evolution, 2020
Plant defense suppression is an offensive strategy of herbivores, in which they manipulate plant physiological processes to increase their performance. Paradoxically, defense suppression does not always benefit the defense‐suppressing herbivores, because
Bram Knegt   +4 more
doaj   +1 more source

Positive association between foliar silicon and extrafloral nectar in Vicia faba with application of methyl jasmonate

open access: yesBasic and Applied Ecology
Plants have evolved direct and indirect defences against herbivores, which may come at a cost to other plant functions. Many plants can uptake and deposit large amounts of silicon within plant tissue, creating structures which can reduce herbivore ...
Chelsea Megan Gowton   +3 more
doaj   +1 more source

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