Results 71 to 80 of about 716 (168)

Common mycorrhizal networks enhance defense responses against pathogens in neighboring plants

open access: yesiMetaOmics, Volume 2, Issue 1, March 2025.
The common mycorrhizal networks (CMNs) provide a channel for interplant communication, which enables plants of different species to prepare for pathogen infections without direct exposure. The CMNs change the microbial abundance and community structure of the neighboring plants following pathogen infection in the donor plants, which further enhances ...
Yingde Li   +6 more
wiley   +1 more source

A survey of alfalfa aphids and their natural enemies in Isfahan, Iran, and the effect of alfalfa strip-harvesting on their populations [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2010
During a two-year (2004-2005) survey of alfalfa aphids and their natural enemies in Isfahan, a total of four aphid species and 58 species of their natural enemies comprised of 45 predatory species, 11 parasitoid species and two species of parasitic mites
B. Gharali   +4 more
doaj  

A Biological Study of Green Pea) Aphid Acyrthosiphon Pisum (Harris) (on Alfalfa in Mazandaran)

open access: yes, 2018
In recent years, green pea aphid acyrthosiphon pisum (Harris) has been identified as one of the important post of alfalfa, and it is active in most parts of Iran in alfalfa farms and causes damage to them including Mazandaran, Fars, Isfahan, Kermanshah, and Eastern Azarbaijan.
IIIR Publication, Hajar Aroubandi
openaire   +1 more source

Study of anatomical changes in Coccinella septempunctata induced by diet and by infection with the larva of Dinocampus coccinellae using magnetic resonance microimaging

open access: yesEuropean Journal of Entomology, 2000
A range of nuclear magnetic resonance (NMR) techniques, 1H liquid spectroscopy and T1 and T2 relaxation measurements, and microimaging, have been used to observe changes taking place within the bodies of live samples of Coccinella septempunctata, under a
Irene E. GEOGHEGAN   +8 more
doaj   +1 more source

Вариабельность генов CYP4 и CYP6 у тлей Aphis fabae mordvilkoi Börner & Janisch, 1922

open access: yesФактори експериментальної еволюції організмів, 2018
Цель. Оценить вариабельность генов CYP450 4-го и 6-го семейств, извлеченных их данных полногеномного секвенирования тли Aphis fabae mordvilkoi, развивающейся в Беларуси на чубушнике (Philadelphus coronaries L.). Методы.
N. V. Voronova   +2 more
doaj   +1 more source

Seasonal food of Ceratomegilla notata (Coleoptera: Coccinellidae) in mountain environments of Northern Italian Alps

open access: yesEuropean Journal of Entomology, 2005
The aim of this study was to clarify the diet of Ceratomegilla notata (Laicharting), a common species in different mountain habitats of the Palearctic region. In Italy it is found only in alpine ecosystems between 800-1700 m. In these areas, up to 1200 m,
Carlo RICCI, Luigi PONTI
doaj   +1 more source

Factors affecting population dynamic and preference of Acyrthosiphon pisum Harris in winter pea lines

open access: yesJournal of BioScience and Biotechnology, 2019
Population dynamics and preference of Acyrthosiphon pisum Harris on six winter pea lines in field conditions were studied. Aphid number was recorded on marked plants by counting.
Ivelina Nikolova
doaj  

Evaluating climate change scenarios on global pea aphid habitat suitability using species distribution models

open access: yesClimate Change Ecology
The global threat of invasive alien species (IAS) being introduced into new habitats is concerning, particularly in agricultural crops as invasive insect species are continuing to expand their distribution through anthropogenic activities and climate ...
Tyler Hartl   +3 more
doaj   +1 more source

Host stage preference and age-specific functional response of Praon volucre (Hymenoptera: Braconidae, Aphidiinae) a parasitoid of Acyrthosiphon pisum (Hemiptera: Aphididae)

open access: yesJournal of Crop Protection, 2015
The pea aphid, Acyrthosiphon pisum (Harris) is one of the most important pests of pea throughout the world.Host stage preference under choice and no-choice tests and age-specific functional response of Praon volucre (Haliday) parasitizing A.
Amaneh Pasandideh   +3 more
doaj  

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