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Now showing items 11-20 of 49
Natural fruitlet abscission as related to apple tree carbon balance estimated with the MaluSim model
(Elsevier, 2018-12-26)
Apple trees produce many more flower clusters than needed for a full crop, but natural early season flower and fruitlet abscission drastically reduce the final fruit number. Natural fruit abscission ...
Attraction of Aphidius ervi (Hymenoptera: Braconidae) and Aphidoletes aphidimyza (Diptera: Cecidomyiidae) to Sweet Alyssum and Assessment of Plant Resources Effects on their Fitness
(Oxford University Press, 2018-01-20)
The green peach aphid Myzus persicae (Sulzer) (Hemiptera: Aphididae) is one of the most economically important aphid species affecting crops worldwide. Since many natural enemies of this aphid have been ...
Evaluation of residue levels of imidacloprid and thiamethoxam after foliar application to the citrus varieties Lane Late, Valencia Late, Rohde Summer, and Nules
(Oxford University Press, 2019-08-28)
Neonicotinoids are used to protect citrus trees against pests. Dissipation and persistence of neonicotinoids in pollen and nectar of citrus trees after foliar applications and their potential exposure ...
Intraguild aggressiveness between an alien and a native predatory mite
(Systematic and Applied Acarology Society London, 2019-11-07)
The predatory mite Amblydromalus limonicus, non-native in Europe, can be used legally in several European countries as greenhouse biocontrol agent against thrips species, although this species is also ...
Analysis of pesticide residues in honeybee (Apis mellifera L.) and in corbicular pollen. Exposure in citrus orchard with an integrated pest management system
(Elsevier, 2019-05-28)
In the last years, the honeybee population is facing growing threats such as expansion of pathogens, incorrect use of phytosanitary products and environmental contaminants, loss or fragmentation of ...
Efficacy of a non-pheromone semiochemical for trapping of western flower thrips in the presence of competing plant volatiles in a nectarine orchard
(Instituto Nacional de Investigación y Tecnología Agraria y Alimentaría, 2018-07-25)
Non-pheromone semiochemicals or allelochemicals (kairomones, synomones, allomones) are often derived from, or are similar to,
host plant odours and depending on their use, these semiochemicals may have ...
Differential contribution of the two major polygalacturonases from Penicillium digitatum to virulence towards citrus fruit
(Elsevier, 2018-05-31)
The fungus Penicillium digitatum is the causal agent of the citrus green mould, the major postharvest diseases of citrus fruit. Lesions on the surface of infected fruits first appear as soft areas around ...
Transmission of ‘Candidatus Phytoplasma pyri’ by naturally infected Cacopsylla pyri to peach, an approach to the epidemiology of peach yellow leaf roll (PYLR) in Spain
(Wiley, 2017-11-20)
Peach orchards in the northeast of Spain were severely affected in 2012 by a previously unreported disease in this area. The symptoms included early reddening, leaf curling, decline, abnormal fruits, ...
Parasitism of single or combined pyralid populations by Venturia canescens and Habrobracon hebetor in laboratory and storeroom conditions
(Springer, 2018-06-27)
Venturia canescens and Habrobracon hebetor are cosmopolitan parasitoids found in large numbers in food processing facilities in northeastern Spain and in many other countries. These parasitoids attack ...
Forty years of biological control in Mediterranean tomato greenhouses: The story of success
(The Entomological Society of Israel, 2018-11-14)
The article highlights major landmarks in the development of Integrated Pest Management (IPM) programmes for tomato greenhouses in the Mediterranean region. This is the story of how biological control ...