查询词典 chestnut blight

Effects of different temperatures and different fungicides on the chestnut blight pathogen were determined.

方法］测定了不同温度和不同农药对板栗疫病菌菌丝生长的影响。

The research aimed to study the character of the chestnut blight pathogen and the antifungal effect of many kinds of the fungicides.

［目的］为了解板栗疫病病原性状及各种杀菌剂对该病的防治效果。

Risk appraisement of chestnut blight in Guangxi was made based on qualitative factor and quantity index system. The result showed that the comprehensive appraisement value of risk was 1.7128 and it meant that this disease belonged to a middle dangerous level in forestry.

通过定性因素和定量指标体系相结合的方法对板栗疫病在广西的危险性进行评估，评估结果表明，此病害的危险性综合评价值为1.7128，属于中度危险性的林业有害生物。

The population diversity of chestnut blight fungus, Cryphonectria parasitica and its double strand RNA were studied in this thesis.dsRNA virus of Cryphonectria parasitica was studied by use of biological assay and gel electrophoresis.

本研究以栗疫病菌为实验材料，进行栗疫病菌及其dsRNA的群体多样性研究。

Chestnut blight fungus, Cryphonectria parasitica, hosted in a wide range of plants and chestnut blight was widely scattered in Guangxi. It is proposed that C. parasitica is not necessarily to he decided as a quarantine organisms in Guangxi forestry.

板栗疫病菌寄主范围广，此病在广西的分布已经相当广泛，但板栗疫病的病原菌不必补充为广西壮族自治区林业检疫性有害生物。

Hypoviruses are a group of unencapsidated, cytoplsmically self-replicating plus sense RNA viruses found in the chestnut blight fungus Cryphonectria parasitica.

低毒病毒是一类存在于板栗疫病菌细胞质中自主复制的无衣壳正链RNA病毒。

An example is the blight which killed virtually every chestnut tree in North America.

植物枯萎病的传播可能只是地域性的，因而很容易控制。

The blight killed almost every chestnut tree in the United States.

在美国，病虫害几乎摧毁了所有的栗子树。

Now, over 100 years later, efforts to restore blight-resistant American chestnut trees are bearing fruit.

现在，在一百多年后的今天，恢复抗病虫害的美国板栗森林的努力正结出硕果。

Graf, without question, is the greatest women's player in history.

格拉芙，现在，毫无疑问是女子网坛历史上最伟大的选手。

If not, you will have to look around at all your important data.

如果没有，您将需要检查所有的重要数据。