查询词典 Melampsora

The occurance of Melampsora rust on poplars in Shanghai was studied.

杨叶锈病在世界范围内发生非常广泛。

But, poplar is damaged by fungal diaeases all the time, such as Melampsora spp., Botryosphaeria ribis, and so on, which lead to huge loss for the country economy every year. For ecology, the unremedi-ed loss is much bigger.

但一直以来，杨树受到真菌病害如杨叶锈病、溃疡病等的威胁，每年给国民经济造成巨大的经济损失，而给生态环境造成的巨大破坏更是无法弥补的。

The results indicated that a molecular identification system for the physiological races of Melampsora larici-populina in China could be established through cosmically searching special RAPD fragments of different races.

此结果表明，通过寻找落叶松杨栅锈菌生理小种的特异性RAPD片段，能够建立起中国落叶松杨栅锈菌生理小种的分子检测体系。

The changes of four indexes indicated that the photosynthesis and transpiration of poplar cultivars were influenced by the infection of Melampsora larici-papulina Kleb.

这4个基本生理指标变化说明，栅锈菌侵染寄主后对寄主的光合、蒸腾作用均有影响，而且在亲合性组合中影响显著。

Analyzing the DNA Polymorphism: 14 random primers were selected to analyze the DNA polymorphism of 13 species of Melampsora larici-populina, the result indicates: The isolates of MLP have resemblance and difference, thee differences reflect the DNA Polymorphism of them.But the Polymorphism is not related to their origin.the result is consistent with departed one.

2DNA多态性分析：用所选出的14条随机引物对13种落叶松-杨栅锈菌进行RAPD分析，发现落叶松—杨栅锈菌菌种之间既有一定相似性，又具有明显的遗传多态性且多态性与地理来源没有必然的相关性，这与以往的结论相一致。

In the lever of isozyme,10 species of Melampsora larici-populina are divided into four groups:the first includes Nm ,GL, H159,CJQ and ZST ;the second is Qh and Bqy, the third is Scb and Ts, Tt is included in the forth group.

在同功酶水平上落叶松-杨栅锈菌主要分为以下四大类：Nm、GL、H159，CJQ和ZST为第一类； Qh和Bqy为第二类；Scb和Ts为第三类；Tt为第四类。

In the lever of DNA,13 isolates of Melampsora larici-populina are divided into four groups:the first is composed of GL and CJQ,the second consists of Ts,Tt,Scb and Nm, the third contains Ha,Hf,H159,ZST,Bqy and Hdao,the last is Qh.

在DNA水平上落叶松-杨栅锈菌主要分化成以下四大类：第一类为：GL和CJQ；第二类为：Ts、Tt、Scb和Nm；第三类为：Ha、Hf、H159、ZST、Bqy和Hdao；第四类为：Qh。

The paper is to research physiological differentiation and DNA polymorphism of MLP. The main result is as follows: 1.Investigating the Poplar Resistance: the difference of sensitivity is prominent.Other poplars are infected by Melampsora larici-populina in different degree, except that Populus deltoids and Populus deltoides×P.

本论文主要是对来自西北，华北，东北和西南等省的多种落叶松—杨栅锈菌进行同工酶分析以及DNA多态性研究，得出如下结论：(1)寄主抗病性调查：杨树各派树种对落叶松杨栅锈菌的感病性差异明显，除美洲黑杨和中绥12号外，所有的杨树品种都不同程度地感染了落叶松杨栅锈菌。

Random primers was used to screen main dominance fungus strain of Chiese Melampsora larici-populina Kleb by RAPD technique and the special RAPD fragments of physiological laces of C1, C3, C4 and C5 were founded successfully.

以156条随机引物，对目前中国落叶松杨栅锈菌(Melampsora larici-populina Kleb)的主要优势菌系进行了BAPD片段的筛选，寻找到了1号、3号、4号、5号4个流行生理小种的特异性RAPD标记。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐