【摘 要】
：
European stone fruit yellows(ESFY)is caused by the phytoplasmaCandidatus Phytoplasma prunorumthat is transmitted from plant to plant by insects of the genus
【机 构】
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Agroscope,Institute for Plant Production Sciences 1964 Conthey Switzerland
【出 处】
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The XVI International Symposium on Apricot Breeding and Cult
论文部分内容阅读
European stone fruit yellows(ESFY)is caused by the phytoplasmaCandidatus Phytoplasma prunorumthat is transmitted from plant to plant by insects of the genus Cacopsylla.Apricot cultivars show large differences of symptom expressions,however no resistance source is known in apricot.The density of psyllids on apricot cultivars is generally low.
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