A phytoplasma strain belonging to group 16SrI, subgroup B ('Candidatus Phytoplasma asteris'), the most widely spread phytoplasma worldwide, was detected in diseased larch (Larix sp.) in Ukraine. Detection, identification, and classification of the larch infecting phytoplasma were accomplished...

During late 2005, a severe phytoplasma-like disease was observed in the Persian buttercup hybrid cv. Pauline in two commercial greenhouses in Southern Italy. Early symptoms consisted of growth abnormalities and shoot proliferation followed by decline, whereas at the flowering stage virescence and...

A new leafhopper pest, Scaphoideus titanus Ball, 1932, was introduced from North America to France more than forty years ago with grapevine propagating material. Since then it has been found in many European countries, also in those neighbouring Hungary, thus its spreading towards Hungary was...

In 2006, new sites near the Hungarian border were involved in monitoring of the leafhopper (Scaphoideus titanus) fauna in vineyards with symptoms of phytoplasma infection. Surveys were conducted using yellow sticky traps in the counties Baranya, Fejér, Györ-Moson-Sopron, Heves, Somogy, Vas,...

Surveys were conducting in autumn 2004, 2006 and summer 2005 and 2007 in the traditional areas dedicated to grapevine cultivation in Bosnia and Herzegovina. The aim is to monitor the presence and distribution of grapevine yellows phytoplasmas diseases and asses the presence and distribution of ...

Date palm (Phoenix dactylifera) is one of the most important cash crops in Saudi Arabia, occupying 150 744 ha where 23 million trees produce 970 488 t of dates annually. The Eastern region is one of the most important in the country, growing date palm for centuries with more than 4 million trees...

Scaphoideus titanus is threatening the grapevine industry in Europe as a vector of "flavescence dorée" (FD) quarantine disease. It was recently identified in countries neighbouring Hungary, however, S. titanus and FD were not recorded during the Auchenorrhyncha fauna monitoring performed in several ...

The frequency of individuals of the psyllid species Cacopsylla pyri, Cacopsylla pyrisuga and Cacopsylla pyricola infected with 'Candidatus Phytoplasma pyri' has been monitored in a pear tree orchard managed according to integrated pear production in eastern Bohemia (Czech Republic). The insects...

Potato growers in the Columbia Basin of Washington and Oregon experienced an outbreak of the potato purple top disease in the 2002 growing season. This outbreak caused significant yield losses and reduced tuber quality. The disease was also observed during ensuing years, especially in potato fields ...

In Brazil, phytoplasma diseases have been described in association with several plant species, distributed among 28 botanical families, comprising wild and economically important species (including Vitis vinifera, Catharanthus roseus, Cucurbita moschata, Zea mays, Elaeis guineensis, Malus domestica ...