查询词典 biotypes

Extensive field data showed that the B biotype has gradually displaced some indigenous biotypes of this species complex in many regions of invasion.

大量的野外调查表明，在许多入侵地，B型烟粉虱在入侵过程中逐渐取代了土著烟粉虱。

Body mass index, gender, smoking status and biotypes of periodontal tissue do not influence the thickness of palatal mucosa.

身体质量指数、性别、抽菸与牙周生物表现型并不会影响个体间黏膜的厚度。

In this study, laboratory bioassays were carried out for rapid initial evaluation on the resistance of 10 grape rootstocks and 18 cultivars to Chinese biotypes of grape phylloxera, Daktulosphaira viticola. The survival ratio, developmental duration, egg number and index for population age constitution were evaluated.

为了检测我国葡萄品种和砧木对中国生态型葡萄根瘤蚜Daktulosphaira viticola的抗性，在实验室条件下采用离体根接种法鉴定了10个葡萄砧木、18个葡萄栽培品种，测定了根瘤蚜存活率、发育历期、产卵量、种群龄期结构指数和成虫大小等指标。

Recently, competitive displacement of pre-existent biotypes and other herbivores by the B. tabaci B biotype has been observed in many regions worldwide.

近年来，在许多地区发现B型烟粉虱竞争取代非B型烟粉虱和其他害虫的现象。

Bemisia tabaci Gennadius (Homoptera: Aleyrodidae) is a worldwide agriculturalpest. It is an omnivorous insect which has a very broad host range and complicatedhost-preference biotypes from different populations.

烟粉虱Bemisia tabaci Gennadius隶属同翅目、粉虱科、小粉虱属，其食性杂、寄主范围广，并存在复杂的寄主专化现象，是一种世界性的农业害虫。

Under controlled conditions in artificial bioclimatic chambers, adult aphids of red and green biotypes of Sitobion avenae were placed on two wheat varieties ('Astron' and 'Xiaoyan-22') and treated under 30W lamp of UV\|B for different durations respectively.

研究紫外辐射对红和绿体色型麦长管蚜的生物学特征的影响，探求紫外辐射在蚜虫种下体色分化及遗传中的作用。

In order to study the mechanism of the biotype of Galium aparine resistant to tribenuron-methyl, the differences on ALS, GSTs, SOD and POD of the resistant and susceptible biotypes to tribenuron-methyl were preliminarily determined.

为探讨猪殃殃Galium aparine抗药性生物型对苯磺隆的抗性机制，测定了苯磺隆对猪殃殃抗性、敏感生物型体内靶标酶［乙酰乳酸合成酶］、代谢酶［谷胱甘肽-S-转移酶］及抗氧化酶影响的差异。

But for the genetically heterogeneous accessions, the number and frequency of hordein spectrum biotypes changed.

说明某些大麦异质性种质在繁殖更新过程中发生了遗传完整性变化。

The results revealed that there were 5 genetically homogeneous accessions having only one hordein spectrum biotype and 15 genetically heterogeneous accessions having 2~6 hordeins spectrum biotypes.

为了给大麦种质的保存和更新提供依据，采用醇溶蛋白电泳技术对20份大麦种质（每一份种质各有两个繁殖年份不同的供试材料）进行了遗传完整性分析。

Continuous observations using the video recording system showed that in the three biotypes,the earliest copulation events occurred 2-6 h after emergence and 56-73%of females copulated at least once by 12 h after emergence.

3B型烟粉虱与ZHJ2型烟粉虱的生殖隔离程度与同型雌雄虫之间的交配次数和频率相比，B型烟粉虱和ZHJ2型烟粉虱之间的交配次数显著减少，交配频率显著下降。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。