Survey of Leafhopper Species in Almond Orchards Infected with Almond Witches'-Broom Phytoplasma in Lebanon

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Survey of Leafhopper Species in Almond Orchards Infected with Almond Witches'-Broom Phytoplasma in Lebanon

Leafhoppers (Hemiptera: Auchenorrhyncha: Cicadellidae) account for more than 80% of all "Auchenorrhynchous" vectors that transmit phytoplasmas. The leafhopper populations in two almond witches'-broom phytoplasma (AlmWB) infected sites: Tanboureet (south of Lebanon) and Bourj El Yahoudieh (north of Lebanon) were surveyed using yellow sticky traps. The survey revealed that the most abundant speci...

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Transcriptomic Analysis of Paulownia Infected by Paulownia Witches'-Broom Phytoplasma

Phytoplasmas are plant pathogenic bacteria that have no cell wall and are responsible for major crop losses throughout the world. Phytoplasma-infected plants show a variety of symptoms and the mechanisms they use to physiologically alter the host plants are of considerable interest, but poorly understood. In this study we undertook a detailed analysis of Paulownia infected by Paulownia witches'...

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'Candidatus phytoplasma phoenicium' sp. nov., a novel phytoplasma associated with an emerging lethal disease of almond trees in Lebanon and Iran.

Almonds (Prunus amygdalus) represent an important crop in most Mediterranean countries. A new and devastating disease of almond trees in Lebanon was recently reported, characterized by the development of severe witches'-brooms on which no flowers or fruits developed, and leading to tree death within a few years. A phytoplasma was detected in diseased trees by PCR amplification of rRNA operon se...

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In vitro interactions between immunodominant membrane protein of lime witches’ broom phytoplasma and leafhopper vector proteins

Lime witches’ broom phytoplasma (16SrII, LWB) causes major losses to lime cultivation in Iran. The role of its immunodominant membrane protein (IMP) in the specific interaction with vector proteins was addressed. The carboxy terminal moiety of LWB IMP, coding the extracellular part of the protein, was expressed (LWB f∆IMP) as a tool to study IMP interactions with insect proteins. In preliminary...

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Tree centric localisation in almond orchards

Robotics and intelligent sensing systems can provide useful information to improve yield and quality in specialty crop production. A key requirement for treecrop applications is the ability to associate sensed data to the individual trees in an orchard. A mobile ground robot with a scanning lidar (laser range sensor) is used to build a three dimensional (3D) model of an orchard and algorithms a...

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ژورنال

عنوان ژورنال: Journal of Insect Science

سال: 2011

ISSN: 1536-2442

DOI: 10.1673/031.011.6001