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首页> 外文期刊>African Journal of Agricultural Research >Feasibility of biological control of chestnut blight caused by Cryphonectria parasitica, in Marmara region of Turkey
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Feasibility of biological control of chestnut blight caused by Cryphonectria parasitica, in Marmara region of Turkey

机译：在土耳其马尔马拉地区对寄生白粉虱引起的栗疫病进行生物防治的可行性

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摘要

Bursa and Yalova provinces are very important centers of chestnut production and processing. Chestnut blight is a serious disease of?Castanea?spp. and the only feasible method to control it is the use of hypovirulence. Hypovirulence and vegetative compatibility (vc) types of 198 isolates of?Cryphonectria parasitica?obtained from 15 different locations from Bursa and Yalova provinces in three years were determined and discussed. Vc types of C.?parasitica?isolates were evaluated by using six European vc types; EU–1, EU–2, EU–5, EU–6, EU–12 and EU–14. All strains were found to belong to EU-1 vc type. White mycelial growth which is typical for hypovirulence was observed in 12% of the isolates. All these white-growing isolates were found to contain ds-RNA. Presence of only one fungal vc type and one hypovirus subtype (Subtype I) which was determined by analyzing gene sequences of dsRNA of the hypovirus in our previous work suggests that a possible biological control of the disease might be applied in this region.
机译：布尔萨和亚洛瓦省是栗子生产和加工的重要中心。栗子枯萎病是一种严重的疾病。控制低毒的唯一可行方法是使用低毒力。确定并讨论了在三年内从布尔萨和雅洛瓦省的15个不同地点获得的198株寄生小隐孢子虫的低毒力和营养相容性（vc）类型。通过使用六种欧洲vc类型评估了寄生寄生梭菌Vc类型。 EU-1，EU-2，EU-5，EU-6，EU-12和EU-14。发现所有菌株均属于EU-1 vc类型。在12％的分离物中观察到典型的低毒力白色菌丝体生长。发现所有这些白色生长的分离物均含有ds-RNA。在我们以前的工作中，通过分析次病毒的dsRNA的基因序列确定了仅存在一种真菌vc型和一种次病毒亚型（亚型I），这表明该疾病可能存在生物学控制。

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