查询词典 celery blight

Occurrence of sporadic diseased plant centers during or after the bloomingperiod is considered as reliable indication of the current year's forthcomingoutbreak of late blight in a potato farm.

从马铃薯的开花期起可能在田间出现的晚疫病中心病株是本田当年病害即将大量发生的重要标志。

The identification method, distribution, cause and effect of occurrence of A2 mating type of Phytophthora infestans and biology of oospores have been reviewed in this paper. It was conclusion that oospores as a new primary inoculum played a very important roles in the epidemics of potato late blight.

本文就马铃薯晚疫病菌A2交配型的鉴定方法、在世界各国的分布、出现的原因、出现的后果以及卵孢子的生物学特性进行了综合评述，指出卵孢子作为新的初侵染来源在该病害流行中起着很重要的作用。

Control effects on potato late blight of AAE were tested on detached-leaf trials and potted plant trials.

离体叶片测试发现，浓度高于0.5％的知母提取物对马铃薯晚疫病具有显著的防治效果。

At present, his working team and the people on the computer net center of Agricultural University of Hebei are developing "Potato Late Blight Forecasting System in China" on Internet.

目前，本课题组正在与河北农大网络中心人员一起研究开发"中国马铃薯晚疫病预警系统"。

A lot of potato quality characters, such as tuber yield, tuber diameter, dry-matter content and the resistance to potato late blight, easily are influenced by cultivation technique.

马铃薯的很多品质性状如块茎产量、块茎大小、干物质含量、晚疫病的田间抗性等，容易受栽培条件的影响。

Potato breeding for late blight resistance was one of the earliest practices mankind used to combat plant pathogens by means of genetic improvement, but the disease has not been controlled by resistance breeding so far.

马铃薯抗晚疫病育种是通过遗传操作来抵抗植物病害的最早的人类实践之一，但至今收效甚微，从野生种导入的抗病基因在田间很容易失效。

Potato late blight, the devastating disease has been threatening to the production of potato. Epidemic of the disease was getting more severe in rescent years in China.

马铃薯晚疫病是由致病疫霉引起的马铃薯的毁灭性病害，严重威胁着马铃薯的生产。

The results indicated that 3 chemicals could greatly enhance resistance of potato tuber to early blight at low concentrations.Protection rates induced by phenol(1 mmol/L),benzoic acid(0.01 mmol/L),and paraaminobenzoic acid(5 mmol/L) were 43.21%,40.72%,and 28.75%,respectively.

结果表明，供试的3种化合物均在较低浓度下具有较强的诱导抗病作用，苯酚、苯甲酸和对氨基苯甲酸分别在1，0.01和5 mmol/L时诱导的保护率最高，分别达到43.21%，40.72%和28.75%，均与对照差异极显著。

The main methods applied in the thesis are: a trend of potato"s Late Blight of BP neural network long-term prediction model and Grey-Disaster prediction model are constructed with history data, and short-term prediction is constructed with the agriculture experts" experience.

本论文的研究方法是：借助于农业、植保专家经验建立了短期预测，同时通过历史数据建立了晚疫病流行程度的神经网络长期预测模型及灰色灾变模型。

The pH values of the leaf tissue juices of 9 potato varieties with two types of resistance to potato late blight were detected,5 of them with horizontal resistance and 4 with vertical resistance .

对马铃薯的5个水平抗性品系和4个垂直抗性品种的下部健康叶组织汁液进行pH值测定，并调查各品种晚疫病发病病级，分析组织汁液pH值与品种抗晚疫病相关性。

Anna: No, I've got a hangover.

不是，我昨晚宿醉了。

We head into the mountains in Su's new Land Cruiser, stop for lunch at a scenic restaurant and then hang around drinking beer and eating fruit as two of his employees attempt to lure the birds with a tape recording of the fowl's mating call.

我们坐上苏的巡逻车向山顶出发，在一家风景优美的餐馆吃了中饭。然后我们喝着啤酒吃着水果四处逛。