查询词典 tristeza

In order to establish a quick and reliable identification system for the main Citrus viruses, total RNA was isolated from the sampled trees showing typical symptoms of Citrus tristeza virus, Citrus exocortis viroid and Citrus tatter leaf virus for RT-PCR analysis.

为建立主要柑橘病毒病准确、快速的分子检测体系，在表现柑橘衰退病、柑橘裂皮病和柑橘碎叶病典型症状的病树上采叶样提取总RNA进行反转录聚合酶链式反应分析。

Hybridomas are prepared by the fusion of mouse myeloma cells,cell line P_3-X63-Ag8.653,and spleen cells from BALB/C mice immunized with partially clarified and concentration sap from Citrus tristeza virus infected citron.

以感染枸橼的柑桔速衰病毒(Citrustristeza virus，CTV)的部分纯化制备物和浓缩的感染组织粗浸出液免疫BALB/C小白鼠后获得的脾脏细胞，与鼠骨髓瘤细胞株P3-X63-Ag8.653融合制备了杂交瘤细胞。

Undoubtedly, tristeza is still a great threat to this area since sour orange has almost been the sole stock used for citrus production.

盖因上述国家之柑桔，皆以酸橙为主要砧木，一旦该病发生，大有不可收拾之势，已有南美洲之惨局可作前车之监，是故以色列正倾其全力以防患。

We detected the five varieties citrus mother plants and STG plants with RT-PCR, as a result, all of the mother plants could amplified Tristeza bands, but the highest virus-free rate of grafting plants only was 61.1%, and the results may prove that not all shoot-tip grafting can remove the CTV completely.

对瓯柑、稻叶蜜柑、市文蜜柑、翡翠柚、处红柚等6个品种的母株和茎尖嫁接苗进行了RT-PCR检测，结果所有样品的母株均扩增出了衰退病特异性条带，而STG嫁接成活苗的无毒率最高仅为61.1％，证明茎尖嫁接方法并不能完全脱除衰退病病原。

Thin leaf section were prepared from fresh tissues of YS-lnfected and healthy citrus plants, when observed under a fluorescence microscope (Type, Olympus AH-FL-2), a yellow fluorescence was distinctly observed in the YS-infected phloem tissues and not in the phloem tissuses of healthy plants and of those infected with tristeza, exocortis, canker, scab, greasy...

将健叶和黄龙病叶叶柄用保险刀片徒手切片，在透射式荧光显微镜下检查，可看到健叶叶柄的木质部导管细胞壁发黄色荧光，韧皮纤维细胞发绿色荧光，而病叶叶柄韧皮部中有1～多个鲜明的黄色或黄绿色荧光团块。这种特异性的荧光，在健叶柄韧皮部中是没有的，其它由病毒、类病毒、细菌、真菌等病原引起的病叶柄韧皮部中亦没有此种特异性荧光。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。