Results 131 to 140 of about 894 (155)
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Efficacy of a hydroxytyrosol-rich preparation from olive mill wastewater for control of olive psyllid, Euphyllura olivina, infestations

Crop Protection, 2011
Abstract Olive mill wastewater (OMW) is a problematic by-product in Mediterranean countries. Despite this, it is a raw material that is an unfailing source of bioactive molecules. A hydroxytyrosol-rich preparation (HRP) (49.6% weight:dry weight) was extracted from fresh OMW using a hydrolysis and post-hydrolysis purification process.
Thabet Yangui   +2 more
exaly   +2 more sources

Using degree-day accumulations and host phenology for predicting larval emergence patterns of the olive psyllid, Euphyllura phillyreae

Journal of Pest Science, 2007
The olive psyllid, Euphyllura phillyreae Foerster is one of the most destructive pests on buds and flowers of olive tree (Olea europaea L.) in May when the olive growers cannot apply any insecticides against the pest. Temperature-dependent development of the psyllid was studied at constant temperatures ranged 16-26°C.
Nabi Alper Kumral, Bulent Akbudak
exaly   +3 more sources

Diapause termination in the olive psyllid Euphyllura phillyreae, in the field and in the laboratory

Entomologia Experimentalis et Applicata, 1986
AbstractEuphyllura phillyreae Foerster (Homoptera: Aphalaridae) which infests olive trees in Greece, is monovoltine and has an aestival‐autumnal‐hibernal reproductive dormancy as an adult which starts in June. Adult females collected periodically from June through February were maintained for 4 weeks at 12L:12D and 20°L:18°D, then the stage of ovarian ...
D. A. Prophetou‐Athanasiadou   +1 more
openaire   +1 more source

The study of the biological characters of three entomopathogenic fungi and their pathogenicity against the olive psyllid (Euphyllura olivina) under laboratory conditions

Journal of Entomological Research, 2022
AbstractThe effect of three different growth media, temperature, and pH on the mycelium growth of three isolates of entomopathogenic fungi, Fusarium sp., Verticillium lecanii and Isaria fumosorosea was investigated. PDA and SDA are the most suitable growth media.
Guessab Asmaa   +3 more
openaire   +1 more source

Comparative analysis of bacterial communities in olive psyllids, Euphyllura straminea and Euphyllura pakistanica expose proteobacteria dominance

Journal of Applied Entomology, 2022
AbstractInsect–bacteria symbiont associations can be found in almost all insect orders which supply an array of physiological and ecological benefits to the host insect. Plant sap‐feeding insects, including psyllids, have developed symbiotic relationships with a variety of bacteria to compensate nitrogen‐poor diets.
Tahereh Fami‐Tafreshi   +4 more
openaire   +1 more source

Egg Distribution Patterns of Olive Psyllid Euphyllura phillyreae (Homoptera: Aphalaridae) on Phillyrea latifolia and Olea europaea in Northern Greece

Environmental Entomology, 1996
Egg distribution patterns of Euphyllura phillyreae Foerster among buds and inflorescences of olives and Phillyrea latifolia L. ( Phillyrea media L.), a perennial, bushy, evergreen plant that blooms from March to May, were quantified in the field and in the laboratory.
openaire   +1 more source

Eficacy of Certain Insecticides against Olive Psyllid <i>Euphyllura straminea</i> (Loginova)

Indian Journal of Entomology
A field study was conducted to assess the effectiveness of six insecticides (with different modes of action) viz, imidacloprid, spirotetramat, sulfoxaflor, buprofezin, pyriproxyfen, and mineral oil, against the olive psyllid Euphyllura straminea (Loginova) (Homoptera: Aphalaridae) on olive trees (Olea europea L.) in Giza Governorate during the 2022 ...
M. K. Hamzah   +3 more
openaire   +1 more source

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