Results 71 to 80 of about 14,967 (228)

Toxicity of Rhododendron anthopogonoides Essential Oil and Its Constituent Compounds towards Sitophilus zeamais

open access: yesMolecules, 2011
The screening of several Chinese medicinal plants for insecticidal principles showed that essential oil of Rhododendron anthopogonoides flowering aerial parts possessed significant toxicity against maize weevils, Sitophilus zeamais.
Qi Zhi Liu   +6 more
doaj   +1 more source

Feasible Fumigant-Herbicide System Alternatives to Methyl Bromide for Bell Pepper Producers [PDF]

open access: yes
With the current methyl bromide (MeBr) system for producing Georgia’s peppers being phased out, alternative fumigant and herbicide systems for producers are analyzed.
Byrd, Mark M.   +3 more
core   +1 more source

Response of Remote Tropical West Pacific Islands to Climate Variability: A Multiproxy Record From T‐Lake, Palau, Spanning the Early Holocene to Present

open access: yesArchaeometry, EarlyView.
ABSTRACT Lake sediments are natural archives of past environmental dynamics and how these systems have responded to past climate variability. Sediment geochemistry, governed by local geology and climate processes, is unique to each lake‐catchment and geochemical proxies must be validated for each study site.
Jalene Nalbant   +6 more
wiley   +1 more source

Chemical Composition and Toxicity against Sitophilus zeamais and Tribolium castaneum of the Essential Oil of Murraya exotica Aerial Parts

open access: yesMolecules, 2010
In our screening program for new agrochemicals from Chinese medicinal herbs, Murraya exotica was found to possess insecticidal activity against the maize weevil, Sitophilus zeamais and red flour beetle, Tribolium castaneum.
Zhi Long Liu   +4 more
doaj   +1 more source

Vol. 19, No. 2: Illinois Pesticide Review [PDF]

open access: yes, 2006
published or submitted for publicationnot peer ...
University of Illinois Extension
core  

Pheromone Lures to Monitor Sparse Populations of Spruce Budworm, \u3ci\u3eChoristoneura Fumiferana\u3c/i\u3e (Lepidoptera: Tortricidae) [PDF]

open access: yes, 2017
Four types of spruce budworm pheromone lures were field-tested in sparse spruce budworm populations in Maine. BioLures® with constant pheromone emission rates less than 1.0, ca. 1.0-1.5, and ca.
Grimble, David G
core   +2 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

Nematode Management in Cole Crops

open access: yesEDIS, 2021
Many different plant-parasitic nematodes cause yield loss in cabbage, broccoli, collards, and other valuable Florida cole crops. This 13-page fact sheet written by Z. J. Grabau and J. W.
Z. J. Grabau, J. W. Noling
doaj   +2 more sources

A Farm-level Approach to the Methyl Bromide Phase-out: Identifying Alternatives and Maximizing Net Worth Using Stochastic Dominance and Optimization Procedures. [PDF]

open access: yes
Alternative fumigant and herbicide systems for Georgia's pepper farms are analyzed relative to soon-to-be phased-out methyl bromide system. Stochastic dominance analyses identify two alternatives exceeding MeBr's yield and financial efficiency.
Byrd, Mark M.   +3 more
core   +1 more source

Atividade inseticida do óleo essencial de Tanaecium nocturnum (Barb. Rodr.) Bur. & K. Shum (Bignoneaceae) sobre Sitophilus zeamais Motsch. (Coleoptera: Curculionidae). [PDF]

open access: yes, 2019
O óleo essencial extraído de folhas frescas de Tanaecium nocturnum (Barb. Rodr.) Bur.& K. Shum por destilação de arraste a vapor foi avaliado quanto à toxicidade a Sitophilus zeamais Motsch., principal praga do milho armazenado.
ALÉCIO, M. R.   +4 more
core   +1 more source

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