Results 21 to 30 of about 12,132 (210)

The phytochemical composition of Melia volkensii and its potential for insect pest management [PDF]

open access: yes, 2020
Due to potential health and environmental risks of synthetic pesticides, coupled with their non-selectivity and pest resistance, there has been increasing demand for safer and biodegradable alternatives for insect pest management.
Backx, Simon   +9 more
core   +2 more sources

iTRAQ-Based Comparative Proteomic Analysis of Larval Midgut From the Beet Armyworm, Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) Challenged With the Entomopathogenic Bacteria Serratia marcescens

open access: yesFrontiers in Physiology, 2020
Entomopathogenic bacteria Serratia marcescens is widely used as an environmentally friendly biocontrol agent against various pests, including Spodoptera exigua. Understanding the immune defense mechanism of S.
Surajit De Mandal   +5 more
doaj   +1 more source

Bioactivities of orange peel extracts against the larvae of Spodoptera litura Fab. and Spodoptera exigua Hüb

open access: yes浙江大学学报. 农业与生命科学版, 2005
The effects of peel ethanol extracts from Citrus unshiu on the larvae of Spodoptera litura Fab. and Spodoptera exigua Hüb. were preliminarily investigated in laboratory by measuring antifeedant index, body weight gains and mortality of the larvae after ...
ZOU Xiang-fei, SHI Zu-hua, SHI Ying-li
doaj   +1 more source

Synergy of Lepidopteran Nucleopolyhedroviruses AcMNPV and SpliNPV with Insecticides

open access: yesInsects, 2020
The joint use of baculoviruses and synthetic insecticides for integrated pest management requires the study of the additive, synergistic or antagonistic effects among them on pest mortality.
Beatriz Dáder   +3 more
doaj   +1 more source

Population Dynamics of Six Major Insect Pests During Multiple Crop Growing Seasons in Northwestern New Mexico

open access: yesInsects, 2019
This study was conducted to monitor the population dynamics of six major insect pests at the NMSU Agricultural Science Center at Farmington (ASC-Farmington) and within an adjacent commercial farm (Navajo Agricultural Products Industry, NAPI) for more ...
Koffi Djaman   +5 more
doaj   +1 more source

Solubilization, Activation, and Insecticidal Activity of Bacillus thuringiensis Serovar thompsoni HD542 Crystal Proteins [PDF]

open access: yes, 2008
Cry15Aa protein, produced by Bacillus thuringiensis serovar thompsoni HD542 in a crystal together with a 40 kDa accompanying protein is one of a small group of non-typical, less well-studied members of the Cry family of insecticidal proteins, and may ...
Naimov, S.   +5 more
core   +1 more source

Specific binding of radiolabeled Cry1Fa insecticidal protein from Bacillus thuringiensis to midgut sites in lepidopteran species [PDF]

open access: yes, 2012
Cry1Fa insecticidal protein was successfully radiolabeled with 125I-Na. Specific binding to brush border membrane vesicles was shown for the lepidopteran species Ostrinia nubilalis, Spodoptera frugiperda, Spodoptera exigua, Helicoverpa armigera ...
Ferré J   +4 more
core   +2 more sources

Accumulation of 5-hydroxynorvaline in maize (Zea mays) leaves is induced by insect feeding and abiotic stress. [PDF]

open access: yes, 2014
Plants produce a wide variety of defensive metabolites to protect themselves against herbivores and pathogens. Non-protein amino acids, which are present in many plant species, can have a defensive function through their mis-incorporation during protein ...
Buckler, Edward S   +4 more
core   +5 more sources

Peer review of the pesticide risk assessment of the active substance Spodoptera exigua multicapsid nucleopolyhedrovirus (SeMNPV)

open access: yesEFSA Journal, 2021
The conclusions of the European Food Safety Authority (EFSA) following the peer review of the initial risk assessments carried out by the competent authority of the rapporteur Member State, Spain, for the pesticide active substance Spodoptera exigua ...
European Food Safety Authority (EFSA)   +41 more
doaj   +1 more source

Spatial distribution pattern of Spodoptera exigua (Lepidoptera: Noctuidae) on sugar beet and advantage of site-specific spraying in the pest management [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2021
Spodoptera exigua (Hübner) is a destructive insect pest of sugar beet globally. In this study, we utilized some geostatistical techniques to locate sample points and determine spatial distribution pattern of the pest. Pheromone traps were used to predict
J. Salmani-Moghanlou   +2 more
doaj   +1 more source

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