Results 91 to 100 of about 4,208 (198)

Bioecologia, monitoramento e controle de Chaetosiphon fragaefolli (Cockerell, 1901) (Hemiptera: Aphididae) na cultura do morangueiro. [PDF]

open access: yes, 2019
Esta circular técnica tem como objetivo apresentar informações sobre a taxonomia, a morfologia, a bioecologia, estratégias para o monitoramento e o controle do pulgão-verde, principal espécie associada ao cultivo do morangueiro no Estado do Rio Grande do
BERNARDI, D.   +4 more
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Einsatz und Etablierung von Raubmilben zur nachhaltigen Spinnmilbenkontrolle in der Sonderkultur Hopfen [PDF]

open access: yes, 2014
Ziel dieses von der BLE geförderten Projektes (FKZ 12NA014) ist es, durch Untersaaten in den Fahrgassen geeignete Überwinterungsquartiere zu schaffen, die es ermöglichen, eine konstante Population der Raubmilben über mehrere Vegetationsperioden hinweg zu
Jereb, Marina   +2 more
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Efeitos do nim sobre tetranychus urticae Koch (Acari: Tetranychidae) e os predadores Phytoseiulus macropilis (Banks) e Neoseiulus californicus (Mcgregor) (Acari: Phytoseiidae) Effects of neem on tetranychus urticae Koch (Acari: Tetranychidae) and the predators Phytoseiulus macropilis (Banks) and Neoseiulus Californicus (Mcgregor) (Acari: phytoseiidae)

open access: yesRevista Brasileira de Fruticultura, 2013
O objetivo deste trabalho foi avaliar a eficiência de controle e os efeitos adversos de dois produtos à base de nim Azamax® (Azadiractina A/B 12g/L) e Neemseto® (Azadiractina A/B, Nimbina e Salanina 2,389 g/L) sobre o ácaro-rajado Tetranychus urticae e ...
Daniele Cristine Hoffmann Schlesener   +4 more
doaj  

Estimating species abundance from occurrence [PDF]

open access: yes, 2000
The number of individuals, or the abundance, of a species in an area is a fundamental ecological parameter and a critical consideration when making management and conservation decisions (Andrewartha and Birch 1954; Krebs 1978; Gaston 1994; Caughley ...
Gaston, K.J., He, F.
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Protection biologique contre ravageurs aériens sur tomate sous abris : compte-rendu d'essai 2005 [PDF]

open access: yes, 2006
En agriculture biologique, les moyens de protection contre les ravageurs aériens sont coûteux et leur efficacité est parfois insuffisante. La pratique des brumisations sous abris réduit les températures et augmente l’hygrométrie, et peut améliorer la ...
Lambion, Jérôme   +2 more
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Geïntegreerde bestrijding van trips in roos: Evaluatie van nieuwe roofmijten [PDF]

open access: yes
Predatory bugs (Anthocorids) and predatory mites (Phytoseiids) are the most effective beneficials against thrips. If predatory bugs have low affinity to the rose crop, there is a series of predatory mites which is suitable for this crop, including ...
Leman, A., Pijnakker, J.
core   +1 more source

Evaluación del establecimiento de Phytoseiulus persimilis (Parasitiformes: Phytoseiidae) para el control de Tetranychus urticae- Koch (Acariforme: Tetranychidae) en rosa [PDF]

open access: yes, 2009
Para optimizar el control biológico de ácaros fitófagos en cultivos comerciales de rosa se han realizado estudios acerca de la implementación de una metodología para la liberación de ácaros depredadores teniendo en cuenta el concepto de respuesta ...
Casas Prieto, Yuly Leonor   +1 more
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Tables describing the use of various inputs during organic growing of important horticultural and arable crops across Europe [PDF]

open access: yes, 2018
This Annex presents the results of the survey carried out in the frame of Tasks 3.1. and Task 5.1 in the Organic PLUS project. A common table/questionnaire for both tasks was used in order to map the use of contentious inputs linked to plant protection ...
Katsoulas, Nikolaos, Løes, Anne-Kristin
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Efficacy of releases of phytoseiid mites (Acari: Phytoseiidae) on spider mite control on raspberry in high tunnel production, and implication on control strategy through a population model of Tetranychus mcdanieli (Acari: Tetranychidae)

open access: yesBiological Control
Field experiments were conducted to determine the establishment and the effectiveness of certain predatory mites in controlling spider mites in raspberry grown under high tunnels. First, the efficacy of Neoseiulus fallacis and N.
Émilie Lemaire   +4 more
doaj   +1 more source

Opportunities for classical biological control of weeds in European overseas territories [PDF]

open access: yes, 2008
European overseas territories are home to biodiversity and endemism of worldwide importance, vastly superior to that of continental Europe as a whole. They are, however, much more threatened by invasive species, including hundreds of alien invasive plant
Baret, Stéphane   +5 more
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