Results 21 to 30 of about 130,759 (227)

Pine Pitch Canker and Insects: Relationships and Implications for Disease Spread in Europe [PDF]

open access: yes, 2019
Producción CientíficaThe fungal pathogen Fusarium circinatum (Nirenberg and O’ Donnell) is the causal agent of pine pitch canker (PPC) disease, which seriously affects conifer species in forests and nurseries worldwide.
Altunisik, Aliye   +14 more
core   +2 more sources

CONTROL DE PLAGAS EN CONOS Y SEMILLAS DE Pseudotsuga menziesii (Mirb.) Franco MEDIANTE INSECTICIDAS SISTÉMICOS

open access: yesRevista Mexicana de Ciencias Forestales, 2018
Las especies de Pseudotsuga en México están sujetas a protección especial de acuerdo con la NOM-059-SEMARNAT-2010 y al igual que muchas especies forestales sufren problemas de sanidad por el ataque de insectos de conos y semillas, lo que agrava la ...
Nilo Espinosa Flores   +4 more
doaj   +1 more source

Is technical efficiency affected by farmers’ preference for mitigation and adaptation actions against climate change? A case study in northwest Mexico [PDF]

open access: yes, 2019
Climate change has adverse effects on agriculture, decreasing crop quality and productivity. This makes it necessary to implement adaptation and mitigation strategies that contribute to the maintenance of technical efficiency (TE).
Guesmi, Bouali   +3 more
core   +3 more sources

Genomic Insights into Bacillus thuringiensis V-CO3.3: Unveiling Its Genetic Potential against Nematodes

open access: yesData
Bacillus thuringiensis (Bt) is a Gram-positive, spore-forming, and ubiquitous bacterium harboring plasmids encoding a variety of proteins with insecticidal activity, but also with activity against nematodes. The aim of this work was to perform the genome
Leopoldo Palma   +2 more
doaj   +1 more source

La realidad, la ficción. Apuntes sobre pestes y plagas en la literatura [PDF]

open access: yesTrabajo y Sociedad, 2020
Nuestro propósito es analizar diversos ejemplos, sobre todo novelas, en los que los escenarios de las pestes se muestran en la ...
Zurita, Carlos Virgilio
doaj  

First record of the nesting whitefly, Paraleyrodes minei Iaccarino, 1990 (Hemiptera, Aleyrodidae) in Malta [PDF]

open access: yes, 2016
The nesting whitefly, Paraleyrodes minei is the latest exotic whitefly species to be found breeding in Malta and was originally described from specimens collected from Citrus crops in Syria by Iaccario (1990).
Malumphy, Chris, Mifsud, David
core   +1 more source

Revealing the Function of the Cephalic Secretions of the Bee Trigona fulviventris Guerin (Hymenoptera: Apidae)

open access: yesSociobiology
Stingless bees carry out efficient chemical communication mediated by volatiles, which they produce mainly in the labial and mandibular glands in the head. In this study, we evaluated the behavioral and electrophysiological response of the stingless bee
Andrea Paola Citalán-González   +2 more
doaj   +1 more source

Comparison between standard and drift reducing nozzles for pesticide application in citrus: Part II. Effects on canopy spray distribution, control efficacy of Aonidiella aurantii (Maskell), beneficial parasitoids and pesticide residues on fruit [PDF]

open access: yes, 2017
Venturi nozzles are often recommended to reduce drift, which is one of the major pollution sources caused by the application of plant protection products on high growing crops. The coarse droplets produced by this type of nozzle could however also affect
Abad, Raquel   +7 more
core   +2 more sources

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