Results 41 to 50 of about 7,378 (229)

Chemical constituents and insecticidal activities of the essential oil from Alpinia blepharocalyx rhizomes against Lasioderma serricorne [PDF]

open access: yesJournal of the Serbian Chemical Society, 2015
The aim of this research was to determine the chemical constituents and toxicities of essential oil derived from Alpinia blepharocalyx rhizomes against the cigarette beetle, Lasioderma serricorne (Fabricius). Essential oil of A.
Wang Ying   +8 more
doaj   +1 more source

Low‐nitrogen addition amplifies the positive effect of grazing exclusion on plant diversity and community stability

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Grazing exclusion is widely used for grassland restoration but often improves productivity slowly, whereas nitrogen (N) addition can rapidly boost productivity yet may erode plant diversity and community stability over the long term.
Chunping Zhang   +6 more
wiley   +1 more source

Insecticidal Activity of Essential Oil of Carum Carvi Fruits from China and Its Main Components against Two Grain Storage Insects

open access: yesMolecules, 2010
During our screening program for agrochemicals from Chinese medicinal herbs and wild plants, the essential oil of Carum carvi fruits was found to possess strong contact toxicity against Sitophilus zeamais and Tribolium castaneum adults, with LD50 values ...
Shu Shan Du   +7 more
doaj   +1 more source

Effects of Essential Oils from 24 Plant Species on Sitophilus zeamais Motsch (Coleoptera, Curculionidae)

open access: yesInsects, 2021
Chemical control of the maize weevil (Sitophilus zeamais) has been ineffective and presents serious collateral damage. Among plant-derived insecticides, essential oils (EOs) are suitable candidates to control this stored products pest.
William R. Patiño-Bayona   +7 more
doaj   +1 more source

Potential Use of Botanical Termiticide [PDF]

open access: yes, 2010
Termite is one of the most dangerous wood destroying insects and life crop plantations. Termites are commonly controlled using synthetic chemicals which can cause environmental hazzards.
ISMANTO, A. (AGUS)   +1 more
core  

Pesticide Toxicity Profile: Phosphorous and Sulfur Fumigants

open access: yesEDIS, 2019
This document provides a general overview of human toxicity, a listing of laboratory animal and wildlife toxicities, and a cross reference of chemical, common and trade names of phosphorous and sulfur fumigants registered for use in Florida. This document is PI-73, one of a series of the Pesticide Information Office, Florida Cooperative Extension ...
openaire   +5 more sources

Embedded Pesticide Use: Exploring the Pesticide‐Land Nexus

open access: yesJournal of Agrarian Change, EarlyView.
ABSTRACT Since the turn of the century, global land grabs, farmland financialization and land‐based food sovereignty movements have returned the land question to the heart of agrarian studies. Meanwhile, abiding interest in pesticides has been reanimated in the face of changes in production, regulation and knowledge of toxicity.
Julie Guthman, Marion Werner
wiley   +1 more source

Plastics and labor: The case of disposable medical plastics

open access: yesMedical Anthropology Quarterly, EarlyView.
Abstract Plastics are ubiquitous in the contemporary practice of medicine, where they are tied to notions of hygiene and quality of care. However, when plastics first infiltrated global medical practice, they did so because of considerations related to patient comfort and durability.
Gauri Pathak
wiley   +1 more source

Insecticidal Activity of Plectranthus amboinicus Essential Oil against the Stable Fly Stomoxys calcitrans (Diptera: Muscidae) and the Horse Fly Tabanus megalops (Diptera: Tabanidae)

open access: yesInsects, 2022
The stable fly, Stomoxys calcitrans (Diptera: Muscidae), and the horse fly, Tabanus megalops (Diptera: Tabanidae), are important ectoparasites of livestock in Thailand. These species affect animal health and cause economic losses. This study investigated
Arpron Leesombun   +8 more
doaj   +1 more source

1978 Pesticide Use on Greenhouse Vegetable Crops in Ohio [PDF]

open access: yes, 1979
PDF pages ...
Curtner, Robert L.   +2 more
core  

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