查询词典 yellow blight

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。

The oomycete plant pathogen Phytophthora infestans is the causal agent of potato late blight, one of the most devastating diseases of potato worldwide.

由致病卵菌引起的马铃薯晚疫病是马铃薯上一种毁灭性病害。

Field experiments have been carried out in the past two years on the control of the potato late blight by dusting with a mixture of organic mercurial and hydrated lime.

两年来用有机汞消石灰混合粉防治馬鈴薯晚疫病的田間試驗获得了显著的效果。在发生中心病株时开始用1：9西力生消石灰或賽力散消石灰每7天撒佈1次，共撒4—5次可以大大地抑制病害的蔓延，从而提高产量。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。