Results 81 to 90 of about 71,620 (303)

Reaction of Nicotiana species and cultivars of tobacco to Tobacco mosaic virus and detection of the N gene that confers hypersensitive resistance

open access: yesCzech Journal of Genetics and Plant Breeding, 2018
Tobacco mosaic virus (TMV) brings increasing losses in the cultivation of tobacco. Sixty-two cultivars of tobacco and eleven species of Nicotiana were evaluated for resistance to TMV.
Anna DEPTA   +4 more
doaj   +1 more source

Russian wheat aphid: a model for genomic plasticity and a challenge to breeders

open access: yesInsect Science, EarlyView.
Invasive foundress finds suitable habitat and reproduces through pathogenesis. Wingless females produce life offspring quickly, which leads to high population densities. High population densities result in competition, which may induce epigenetic changes and wing development for dispersal.
Astrid Jankielsohn   +8 more
wiley   +1 more source

The effect of molecular, morphological and spectral reflectance evolution on nicotiana polyploids of different ages

open access: yes, 2010
PhDInterspecific hybridisation accompanied by multiplication of chromosome number, or allopolyploidy, results in rapid genetic, epigenetic, chromosomal and morphological changes.
McCarthy, Elizabeth Wetzel
core  

Metabarcoding of Pollen Carried by Syrphids Reveals Novel Plant–Pollinator Interactions in a Protected Natural Area and Agricultural Sites

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Using DNA metabarcoding, this study investigates pollen transported by syrphids (Syrphidae) in the Dolomiti Bellunesi National Park and agricultural sites in Northern Italy. The analysis reveals a high diversity of visited plant taxa, including previously undocumented plant–pollinator interactions.
Serena Magagnoli   +6 more
wiley   +1 more source

Tree Tobacco Extract (Nicotiana glauca) as a Plithogenic Bioinsecticide Alternative for Controlling Fruit Fly (Drosophila immigrans) using n-SuperHyperGraphs [PDF]

open access: yesNeutrosophic Sets and Systems
Concern regarding the negative effects of synthetic pesticides has driven the development of bioinsecticides as sustainable alternatives. Consequently, Nicotiana glauca has gained prominence for its insecticidal properties due to phytochemical compounds ...
Emerson Jácome Mogro   +3 more
doaj   +1 more source

Prey Range and Voracity of Main Insect Natural Enemies of Pests in Corsican Clementine Orchards

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
To assess the biocontrol potential on the main arthropod pests of clementine orchards in Corsica, laboratory experiments were carried out using five potential predators. Their prey range and voracity were tested on three pest species. Then, a global predation rate index was calculated at the scale of the entire community of insect predators.
Judith Le Nan   +3 more
wiley   +1 more source

Some effects of virus infection on leaf water contents of nicotiana species

open access: yes, 1958
Infection with tobacco mosaic virus decreases the water content which detached tobacco leaves attain when kept for 20 hr. in conditions of minimum water stress, and does so more when the plants are kept in light before inoculation than when they are kept
Owen, P. C.
core   +1 more source

Simultaneous modification of Thermotoga maritima encapsulin subunits to produce multivalent nanoparticle vaccines for non‐typhoidal Salmonella enterica

open access: yesThe FEBS Journal, EarlyView.
This study investigates the modularity of encapsulin—a protein nanoparticle—by simultaneously inserting up to four distinct Salmonella epitopes within the encapsulin subunit. The encapsulin variants were transiently expressed in plants where they assembled into nanoparticles; however, their accumulation and stability varied depending on the ...
Carly A. Charron   +5 more
wiley   +1 more source

Nicotiana

open access: yes, 2020
Callus from Nicotiana tabacum is used as a model in plant developmental research. We tested several phytohormone (Indoleacetic acid - IAA; 2,4-Dichlorophenoxyacetic acid - 2,4-D; kinetin - KIN; 6-Benzylaminopurine - BAP) combinations to compare different
Bartosz Pluciński   +2 more
core   +2 more sources

A Peroxidase Gene Promoter Induced by Phytopathogens and Methyl Jasmonate in Transgenic Plants

open access: yesMolecular Plant-Microbe Interactions, 1997
The expression of two closely related peroxidase isogenes, Shpx6a and Shpx6b, of the legume Stylosanthes humilis was studied using isogene-specific reverse transcriptase PCR techniques.
Mark D. Curtis   +4 more
doaj   +1 more source

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