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What is your diagnosis?

机译:你的诊断是什么?

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摘要

The symptoms of browning observed on Viburnum tinus and Rhododendron are described. Notes are given on the causal organism, Phytophthora ramorum. This pathogen has been recorded from many hosts in different botanical families. The geographical range of P. ramorum has increased in France since 1995. Control methods include: resistance; use of healthy plants; well drained substrate; optimization of nitrogen fertilizer; biological control with the antagonist Trichoderma harzianum; copper hydroxide sprays; and chemical fungicides..
机译:描述了在荚burn和杜鹃花上观察到的褐变症状。有关致病菌疫霉疫霉的注释。已经从不同植物科的许多宿主中记录了这种病原体。自1995年以来,法国拉美假单胞菌的地理范围有所扩大。使用健康植物;排水良好的基材;优化氮肥;拮抗哈茨木霉的生物防治;氢氧化铜喷雾剂;和化学杀菌剂

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