Results 71 to 80 of about 12,598 (218)

Impact of cultural practices on two‐spotted spider mite (Tetranychus urticae Koch) infestation in tomato cultivation in the Central Rift Valley of Ethiopia

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 2, December 2026.
Abstract The two‐spotted spider mite (TSSM; Tetranychus urticae Koch) is a major pest of tomato (Solanum lycopersicum L.), causing substantial yield and quality losses in Ethiopia and worldwide. The present study evaluated the impact of tomato branch pruning and trellising on TSSM populations and yield in the Central Rift Valley tomato production area ...
Amhaeyesus Belete   +2 more
wiley   +1 more source

Acaricidal activity of Annonaceae fractions against Tetranychus tumidus and Tetranychus urticae (Acari: Tetranychidae) and the metabolite profile of Duguetia lanceolata (Annonaceae) using GC-MS

open access: yesSemina: Ciências Agrárias, 2015
Species of the Tetranychus genus feed on plant tissues, which reduces the rate of photosynthesis and can lead to the death of plant tissues. As a result, considerable production losses are caused by these arthropods.
Dejane Santos Alves   +5 more
doaj   +1 more source

Tetranychus urticae Koch 1835

open access: yes
Tetranychus urticae Koch, 1835 (Figs. 41-45) Diagnosis: Male: Spinneret comparatively slender than that of the female. Spinneret is twice as long as it is wide (5-6 x 2-3). Length and width of the palp tarsus equal (6-7 x 6-7). Dorsal palp femoral setae (d PFe) modified into ‘peg-like structure’ (7-8).
Pal, Ananya, Karmakar, Krishna
openaire   +2 more sources

Identification of broadly expressed nervous system‐related genes as effective RNAi targets in the brown marmorated stink bug, Halyomorpha halys

open access: yesPest Management Science, Volume 82, Issue 10, Page 9870-9878, October 2026.
Broadly expressed genes outperformed brain‐enriched neural targets as RNAi candidates in Halyomorpha halys. Microinjection of dsRNA targeting alpha‐soluble NSF attachment protein (Asnap) or Ras opposite protein (Rop) caused strong feeding suppression and near‐complete mortality, identifying them as promising targets for future oral or spray‐based RNAi ...
Nirakar Panda   +2 more
wiley   +1 more source

Effects of azadirachtin on the two-spotted spider mite, Tetranychus urticae (Acari: Tetranychidae). [PDF]

open access: yes, 2005
Effects of sublethal azadirachtin exposure to the biological performance of Tetranychus urticae Koch was studied under laboratory conditions. Bioassay was used to asses the effect of different concentrations of azadirachtin on longevity, fecundity ...
Martínez-Villar, E. [0000-0001-8291-8541]   +4 more
core   +1 more source

Inducible tomato defences persist in detached leaves, despite differential plant variety and gene‐dependent expression

open access: yesEcological Entomology, Volume 51, Issue 5, Page 866-874, October 2026.
Short‐ and long‐term expression of PPO‐D, PI‐IIc and PR‐1a were assessed in intact plants and detached tomato leaves of two varieties infested with Tetranhycus urticae. Tomato defences were induced in both intact and detached leaves, but the induction levels varied with plant variety and gene assessed.
Mariya Kozak   +6 more
wiley   +1 more source

Methyl Jasmonate Seed Priming Mitigates the Defence‐Growth Trade‐Off and Tailors Plant Response to Specific Pests

open access: yesPlant, Cell &Environment, Volume 49, Issue 10, Page 7558-7574, October 2026.
ABSTRACT Seed defence priming is emerging as a novel, cost‐efficient and environmentally safe tool for pest management. It has been proposed as a means to uncouple the defence‐growth trade‐off in plants by enhancing defence responses with minimal fitness costs, but the mechanisms underlying this role remain elusive.
Lucia Talavera‐Mateo   +5 more
wiley   +1 more source

Gene expression changes in response to combination stresses in Phaseolus vulgaris L. (Fabaceae)

open access: yesPersian Journal of Acarology, 2019
Plants are continuously exposed to a broad range of environmental stresses. Common bean (Phaseolus vulgaris L.) is found to be seventh major world food crop widely attacked by several pests including a generalist herbivore, Tetranychus urticae Koch.
Samaneh Sabzi   +2 more
doaj   +1 more source

Dietary restriction induces persistent multigenerational phenotypic effects in Phytoseiulus persimilis

open access: yesPest Management Science, Volume 82, Issue 9, Page 8725-8733, September 2026.
The study shows ancestral dietary restriction in Phytoseiulus persimilis produces persistent, sex‐specific, multi‐generational effects on survival and body size, with stronger maternal than paternal lineage influences despite nutritional recovery. Abstract BACKGROUND Transgenerational phenotypic plasticity (TGP) allows environmental effects to persist ...
Xia Chen   +4 more
wiley   +1 more source

EFFECT OF NEEM AZAL TIS ON THE TWO-SPOTTED SPIDER MITE Tetranychus urticae KOCH (ACARI: TETRANYCHIDAE ) [PDF]

open access: yesJournal of Plant Protection and Pathology, 2005
The effects of Neem Azal- TIS, a commercial product, on various developmental stages of the two-spotted spider mite, Tetranychus urticae Koch were tested in the laboratory.
Magda Abou- Elela, Hoda Hussein,
doaj   +1 more source

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