查询词典 pod blight

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。

In 1845.M.J.Berkeley provided the first clear demonstration that microorganisms caused diseases by showing that a mold was responsible for potato blight.

1845年，M.J.Berkeley通过说明一种霉致使土豆生病，首次清楚地证明了微生物致病。

P. infestans ranks highest in the evolutionary potential and it can easily mutate its Avr genes and thus overccome the only promising solution for late blight control is potato plants carrying corresponding R genes.

致病疫霉菌是一种进化潜力非常高的病原，可以快速突变本身的非毒力基因，因而造成对应的马铃薯抗病基因的失效。

Given the language of section 102(2), the Supreme Court's rejection of substantive review under NEPA seems unjustifiable in principle

按照第102条的规定，最高法院否决《国家环境政策法》所规定的实质性复审在原则上似乎是不正当的。

ObjectiveTo explore the effect of variable hip abduction orthosis on children spastic cerebral palsy.

目的探讨髋关节矫形器在儿童痉挛型脑性瘫痪康复中的作用。