寄主

Heteroecious Denoting rust fungi that require two host species to complete their life cycle.

转主寄生：描述某些锈菌必须存在两个寄主才能完成它的生活周期。

It was heterothallic and could not produce oospores in natural gingko-growing regions. But it could produce a large number of chlamydospores in adverse environments,such as low temperature.

该病原菌寄主范围较广，生长温度大于35℃，异宗配合，自然条件下不能产生卵孢子，但在低温等不良环境下形成大量厚垣孢子。

RT-PCR analysis showed that the gene omk1 transcribed in the phases of both spore germination and hyphal growth.

该基因的克隆将为进一步研究该菌识别寄主信号的分子机理奠定基础。

On the basis of past three years research, the taxonomy and fauna of family Ichneumonidae from northeast China were studied systematically, many specimens were collected in forest area from northeast China including Heilongjiang, Jilin and Liaoning Province, and numerous documents were synthesized and the domestic and foreign research history and situation of Ichneumonid were reviewed.

近三年来，广泛采集了东北地区(黑龙江、吉林、辽宁三省)的姬蜂标本，收集整理了大量文献资料，系统研究了东北地区姬蜂的种类及分布，回顾了国内外的研究历史和现状及分类地位的历史变革，介绍了标本采集制作方法，叙述了各虫态的形态特征，概述了成虫的寄主范围、寄生类型、寄生现象及生活习性。

Based on the investigations of rhizobia resource of Shaanxi, Gansu and Ningxia, the research applied polyphaic taxonomy to study the rhizobia isolated from Astragalus, Indigofera, Kummerowia and so on in the different levels.

本研究在陕甘宁地区豆科植物根瘤菌资源调查的基础上，利用多相分类技术，从不同层次水平系统地研究了分离自黄芪、木蓝、鸡眼草等寄主的根瘤菌。

Genomic Southern blot analysis showed that about two thirds of the transformants were single T-DNA insertional events.

该突变体不能侵入水稻叶片及擦伤的大麦或水稻叶片，说明Al-412突变体在寄主组织中扩展进程被阻断。

The hybrids and progeny of intervarietal crosses of P. graminis were tested on the parental hosts.

杆锈变种间杂交的一些杂种和后代在其亲本寄主上受到测量。

The species belonging to this genus are obligate holoparasites on the plants of Loranthaceae and Dendrotrophe.

重寄生属植物的寄主仅局限于桑寄生科和檀香科寄生藤属的植物。

The species belonging to this genus are obligate holoparasites on the plants of Loranthaceae and Dendrotrophe.

重寄生属植物的寄主仅局限於桑寄生科和檀香科寄生藤属的植物。

On the based of the field investigation with morphological and anatomical observation, Phacellaria rigidula (Santalaceae,type species of Phacellaria) lives on the hemi_parasitic shrubs which belong to Loranthaceae and possesses some special characteristics in habits and in morphological and anatomical structures.

野外调查和形态学研究表明，硬序重寄生(檀香科重寄生属模式种)以桑寄生科半寄生灌木为寄主，具有一些特殊的生活习性和形态结构特征。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。