Results 11 to 20 of about 591 (106)

Insecticide-contaminated honeydew: risks for beneficial insects. [PDF]

Biol Rev Camb Philos Soc, 2022
ABSTRACT Honeydew is the sugar‐rich excretion of phloem‐feeding hemipteran insects such as aphids, mealybugs, whiteflies, and psyllids, and can be a main carbohydrate source for beneficial insects in some ecosystems. Recent research has revealed that water‐soluble, systemic insecticides contaminate honeydew excreted by hemipterans that feed on plants ...
Calvo-Agudo M, Tooker JF, Dicke M, Tena A.   +3 more
europepmc   +2 more sources

The assembly and importance of a novel ecosystem: The ant community of coffee farms in Puerto Rico. [PDF]

Ecol Evol, 2020
Here, we describe the arboreally foraging ant community in 25 coffee farms in Puerto Rico. We find that the majority of the dominant species are non‐native. Through a detailed study of two of the farms, we describe the interactions between two non‐native dominant species, Wasmannia auropunctata and Solenopsis invicta.
Perfecto I, Vandermeer J.
europepmc   +2 more sources

Commodity risk assessment of Jasminum polyanthum unrooted cuttings from Uganda. [PDF]

EFSA J, 2022
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation EU/2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by unrooted cuttings of Jasminum polyanthum that are ...
EFSA Panel on Plant Health (PLH), Bragard C, Chatzivassiliou E, Di Serio F, Baptista P, Gonthier P, Jaques Miret JA, Fejer Justesen A, MacLeod A, Magnusson CS, Milonas P, Navas-Cortes JA, Parnell S, Reignault PL, Stefani E, Thulke HH, Van der Werf W, Vicent Civera A, Yuen J, Zappalà L, Debode J, Manceau C, Gardi C, Mosbach-Schulz O, Potting R.   +24 more
europepmc   +2 more sources

Adapting the designated area of geographical indications to climate change

American Journal of Agricultural Economics, Volume 105, Issue 4, Page 1088-1115, August 2023., 2023
Abstract This paper examines the agricultural supply relocation of products under geographical indication (GI) labels as an option to adapt to climate change. I develop a stylized framework that endogenously relates the delineation of the production area of the GI product to the distribution of specific geographical characteristics and their influence ...
Loïc Henry
wiley   +1 more source

Commodity risk assessment of Persea americana from Israel

EFSA Journal, Volume 19, Issue 2, February 2021., 2021
Abstract The EFSA Panel on Plant health was requested to prepare and deliver risk assessments for commodities listed in the relevant Implementing Acts as ‘High risk plants, plant products and other objects’ (Commission Implementing Regulation (EU) 2018/2019 establishing a provisional list of high risk plants, plant products or other objects, within the
EFSA Panel on Plant Health (PLH), Claude Bragard, Katharina Dehnen‐Schmutz, Francesco Di Serio, Paolo Gonthier, Marie‐Agnès Jacques, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Alan MacLeod, Christer Sven Magnusson, Panagiotis Milonas, Juan A Navas‐Cortes, Stephen Parnell, Roel Potting, Philippe Lucien Reignault, Hans‐Hermann Thulke, Wopke Van der Werf, Antonio Vicent Civera, Lucia Zappalà, Pedro Gómez, Andrea Lucchi, Gregor Urek, Sara Tramontini, Olaf Mosbach‐Schulz, Eduardo de la Peña, Jonathan Yuen   +25 more
wiley   +1 more source

FIRST REPORT OF THE WHITEFLY Trialeurodes ursorum Cockerell, 1910 (HEMIPTERA: ALEYRODIDAE) AND SEVERITY OF FUMAGIN Capnodium citri IN CITRUS TREES IN THE MUNICIPALITY OF VICTORIA, TAMAULIPAS, MEXICO

Tropical and Subtropical Agroecosystems, 2021
Background: In Mexico, 164 species of whiteflies have been reported in different crops, among which are citrus varieties. Objective: In the present work, the whitefly species was identified and determined the population size of the nymphal state and ...
Ausencio Azuara-Dominguez, Ricardo Alvarez Ramos, Martha Lázaro Dzul, Haidel Vargaz Madriz, Oscar Sánchez Flores, Said Hernández Contreras   +5 more
doaj   +1 more source

Evaluación de la efectividad biológica de hormonales para incrementar el amarre de frutos en mandarina Fremont (Citrus reticulata Blanco).

Revista Biológico Agropecuaria Tuxpan, 2017
El uso de reguladores de crecimiento es una alternativa para incrementar el porcentaje de amarre de frutos, lo cual se traduce en incrementos de la producción.
David Vázquez Olmedo , Rocío Rodriguez Cabrera , Pablo Elorza Martínez , Teresita Ramírez Hernández, María del Rosario Dávila Lezama   +4 more
doaj   +1 more source

Evaluación de preferencias hacia las mandarinas en el mercado británico. Aplicación de las subastas Vickrey

Economía Agraria y Recursos Naturales, 2011
El presente trabajo tiene como objetivo analizar las preferencias de los consumidores británicos hacia cinco variedades de mandarinas (dos de ellas españolas) en tres condiciones de información diferentes: inspección visual, pelado y cata. Se aborda, por
Laura Martínez-Carrasco Martínez, Fernando Vidal, N. Poole   +2 more
doaj   +1 more source

Comparación del método de reacción almidón - iodo con la Amplificación por Polimerasa y Recombinasa para el diagnóstico del Huanglongbing (HLB) de los cítricos

Investigación Agraria, 2020
El Huanglongbing (HLB) es una de las enfermedades más importantes de los cítricos a nivel mundial. Su diagnóstico a nivel de campo es difícil cuando se basa en los síntomas visuales ya que pueden ser confundidos con síntomas similares de otras ...
Luis Roberto González Segnana, Dario Rafael Acosta Aveiro, Cesar Darío Pino Quintana, Diego Dionisio González Espínola   +3 more
doaj   +1 more source

Avances de la fruticultura en México

Revista Brasileira de Fruticultura, 2011
Las estadísticas oficiales informaron que en 2008 se cultivaron 264 944 ha con valor de la producción de $ 14 741 millones de pesos, en 20 frutales de clima templado; mientras que, en 35 tropicales y subtropicales fue de 1 822748 ha con valor de $ 43 463
Angel Villegas Monter, Antonio Mora Aguilera   +1 more
doaj   +1 more source