نتایج جستجو برای: cacopsylla
تعداد نتایج: 128 فیلتر نتایج به سال:
Türkiye’de yetiştiriciliği en çok yapılan yumuşak çekirdekli meyve türlerinden birisi olan armut (Pyrus communis L.) önemli bir ihracat ürünüdür. Marmara Bölgesi’nde üretimi fazla Bursa İlinde yapılmaktadır. Armut yetiştiriciliğinde verimi etkileyen bitki koruma sorunlarının başında yaprak pireleri olarak bilinen zararlı, psillidi, Cacopsylla pyri (L.) (Hemiptera: Psillidae) gelmektedir. Zararl...
The pear psyllid [Cacopsylla pyri (L.), (Hemiptera: Psyllidae)] represents one of the most economically significant pests in Serbia and worldwide. It causes direct damage throughout feeding on young stems leaves, but also creates favourable conditions for development plant diseases. In this article susceptibility C. to spirodiclofen, spirotetramat, their combinations with foliar fertilizer (car...
A real-time PCR assay conjugated with the fluorescent SYBR Green I dye has been developed for rapid, sensitive and quantitative detection of ‘Candidatus Phytoplasma prunorum’ in its natural hosts, in stone fruits such as apricot plants and in the insect vector Cacopsylla pruni. The selected primers amplified specifically a fragment 153 bp long from the rplV (rpl22) gene of ‘Ca. P. prunorum’ and...
The European stone fruit yellows (ESFY) caused by ‘Candidatus Phytoplasma prunorum’ (‘Ca. P. prunorum’), is a devastating, quarantine phytoplasma disease. This agent leads to serious damage in apricot and Japanese plum orchards, including decline of infected trees. The consequences are considerable economic losses in production. European plum and cherry are less susceptible to ESFY, although th...
A companion study showed that male pear psylla, Cacopsylla pyricola (Förster) (Homoptera: Psyllidae) were attracted to volatiles from pear shoots infested with post-diapause females. The present study compared the behavioral response of males to diapause and post-diapause females. Assays were done using a Y-tube olfactometer. We collected male and female winterform psylla from pear orchards at ...
The published records of jumping plant-lice from Brazil comprise 70 named species but four are erroneous or doubtful. For one species a variety has been described with uncertain status. Seven named species records are added here based on recent collections bringing the number of valid species to 73. Four new combinations are proposed: Colophorina favis (Brown & Hodkinson) (from Euphalerus), Eur...
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