Results 51 to 60 of about 1,975 (180)

Alternatives procedures for small farming sustainable management of parana pine Mecanismos alternativos para manejo sustentável de pinheiro-do-paraná na pequena propriedade rural

open access: yesPesquisa Florestal Brasileira, 2010
<p align="left">After the expansion of agricultural frontier occurred in the southern brazilian region, which brought native forest substitution, new  management and alternatives practices were introduced in order to preserve and stimulate new ...
Jorge Zbigniew Mazuchowski
doaj   +1 more source

Mechanisms and impacts of future plant invasions: research agendas and management needs under disruptive social‐ecological change scenarios

open access: yesOikos, EarlyView.
No‐analogue futures are characteristic of the Anthropocene, but how global change, and societies' responses, will affect plant invasions remains unclear. Conducting research now to address future needs is crucial for guiding invasion management and policy.
Jennifer L. Bufford   +12 more
wiley   +1 more source

S-nitrosoglutathione-loaded chitosan nanoparticles promote adaptive responses to water deficit in the critically endangered conifer Araucaria angustifolia

open access: yesFrontiers in Plant Science
Araucaria angustifolia, a conifer adapted to cold and high-altitude climates, is increasingly threatened by climate change, which further raises its existing risk of extinction.
Rafael C. da Silva   +10 more
doaj   +1 more source

Tree slenderness and stability of Brazilian pine in a secondary forest [PDF]

open access: yesFloresta e Ambiente
The aim of this study was investigating the factors that render Araucaria angustifolia trees less stable in secondary forests to support the species conservation strategies.
Vinicius Costa Cysneiros   +4 more
doaj   +1 more source

Soybean plant architecture influences the capacity of Telenomus podisi to parasitize Euschistus heros eggs: implications for field releases

open access: yesPest Management Science, EarlyView.
Increasing soybean plant architectural complexity reduces the ability of Telenomus podisi to parasitize Euschistus heros eggs, highlighting the need to adjust parasitoid release rates in the field according to plant complexity (arrow direction and thickness correspond to the increasing strength of the variable) . Abstract BACKGROUND Plant architectural
Nathália Graziele Falcão Fernandes   +3 more
wiley   +1 more source

Methomyl resistance in Dalbulus maidis (Hemiptera: Cicadellidae): selection, inheritance and multiple‐resistance

open access: yesPest Management Science, EarlyView.
The inheritance of methomyl resistance in Dalbulus maidis is autosomal, incompletely dominant and polygenic. No cross‐resistance was found between methomyl and chlorfenapyr, cyantraniliprole and isocycloseram. Abstract BACKGROUND Acetylcholinesterase (AChE) inhibitor insecticides have been important tools for the management of Dalbulus maidis in Brazil;
Matheus Gerage Sacilotto   +3 more
wiley   +1 more source

Bioactive and Biodegradable Films Packaging Incorporated with Acca Sellowiana Extracts: Physicochemical and Antioxidant Characterization

open access: yesChemical Engineering Transactions, 2019
In this work a new biodegradable film was developed, and bioactive compounds from Acca sellowiana were incorporated. Film packaging production was carried out from an aqueous filmogenic solution, with a blend of Brazilian pine seeds starch, citric pectin,
William Gustavo Sganzerla   +6 more
doaj   +1 more source

Merger Efficiency and Coordinated Effects: Nothing to Sneeze at? Evidence From Cough and Cold Medicines in the Philippines

open access: yesSouthern Economic Journal, EarlyView.
ABSTRACT We investigate the competitive effects of a merger in the cough and cold medicines segment between GlaxoSmithKline (GSK) and Pfizer. The parties offered efficiency gains, and authorities concluded the merger would not lessen competition. Using product‐level data from the Philippines, we estimate a structural demand model to assess efficiency ...
Farasat A. S. Bokhari   +3 more
wiley   +1 more source

Monoicy in A. angustifolia (Bert.) O. Kuntze (Araucariaceae): I. Morphological aspects of the reproductive structures

open access: yesAnais da Academia Brasileira de Ciências, 2009
Araucaria angustifolia (Bert.) O. Kuntze is a dioecious conifer species native of Brazil. The rare occurrence of monoiceous specimens have been attributed to pathogenic infections or other injuries in adult trees.
Valdir M. Stefenon   +1 more
doaj   +1 more source

“Anytime, Anywhere”: Online Language Tutoring Platforms and the Rise of the (Im)Mobile Language Teacher

open access: yesTESOL Quarterly, EarlyView.
Abstract This article examines how online tutoring platforms (OTPs) have facilitated new forms of (im)mobility—and discourses of (im)mobility—among online English tutors. Drawing on semi‐structured interviews with online tutors, the article critically interrogates OTPs' primary selling point: that online tutors can work “anytime, anywhere.” While OTPs ...
Nate Ming Curran
wiley   +1 more source

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