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首页> 外文会议>International Rubus and Ribes Symposium >Control of Dieback, Caused by Eutypa lata, in Red Currant (Ribes rubrum) and Gooseberry (Ribes uva-crispa) in the Netherlands
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Control of Dieback, Caused by Eutypa lata, in Red Currant (Ribes rubrum) and Gooseberry (Ribes uva-crispa) in the Netherlands

机译：由荷兰红葡萄干（Ribes Rubrum）和醋栗（Ribes Uva-Crispa）引起的eyutypa lata引起的redack。

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Over decades, growers in the Netherlands have problems with a disease that causes dying branches and stem cankers in red currant. For many years it was assumed that this disease was related to fungi such as Nectria cinnabarina, Phomopsis spp. and the insect Synanthedon tipuliformis. However, recently it was found by Applied Plant Research and the Plant Protection Service that the causal organism is the fungus Eutypa lata. The disease is considered of major economic importance, especially as red currant growing is rapidly expanding in the Netherlands. E. lata was identified with three detection methods (visual, plating and DNA). Symptoms of E. lata do not usually appear until currant plants are at least three to four years old. These cankers are always associated with old pruning wounds. Eventually, the entire branch is killed. High disease incidences and annual losses of 10% to 30% of the productive branches are reported. In some cases entire fields have to be replanted. E. lata is well known as one of the most destructive diseases of grapevines (Vitis vinifera). The importance of this disease in currant growing was not known. Research is focusing on the evaluation of control measures; e.g. chemical and biological control treatment of pruning wounds, and disease management such as sanitation practices. Also, the epidemiology of E. lata is studied. High densities of ascospores of E. lata were found in a spore trap placed in a red currant field in the Netherlands. In the subsequent field survey fruiting structures (stromata) and ascospores were found on dead infected red currant wood.
机译：几十年来，荷兰的种植者对疾病的问题产生了导致红醋栗中的垂死的枝条和干溃疡的问题。多年来，假设这种疾病与诸如Nectria Cinnabarina，Phomopsis SPP等真菌有关。和昆虫僵局仿真。然而，最近它被应用的植物研究和植物保护服务发现了因果生物是真菌Eutypa Lata。该疾病被认为是主要的经济意义，特别是随着红醋栗生长在荷兰迅速扩张。 E.用三种检测方法（视觉，电镀和DNA）鉴定Lata。 E. Lata的症状通常不会出现，直到耐浆设备至少三到四岁。这些溃疡总是与旧修剪伤口相关联。最终，整个分支被杀。据报道高疾病发病率和10％至30％的生产力分支机构的损失。在某些情况下，必须重新植入整个字段。 E. Lata是众所周知的葡萄葡萄酒最具破坏性的疾病之一（血管血管）。这种疾病在醋栗生长中的重要性尚不清楚。研究专注于对控制措施的评估;例如化学和生物控制治疗修剪伤口，以及卫生实践等疾病管理。此外，研究了E. Lata的流行病学。 E. Lata的高密度在荷兰的红醋栗田地陷入困境的孢子陷阱中发现。在随后的田间调查中，在死亡的红醋栗木材上发现了结果结构（stromata）和囊孢子。

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