查询词典 ageratum

Papaya leaf curl samples collected from Guangxi province and 1 from Guangdong province, and 5 ageratum yellow vein samples from Guangxi province were tested with triple antibody sandwich ELISA and PCR, Results showed all the virus samples were infected by whitefly-transmitted geminiviruses.

利用三抗体夹心ELISA及PCR检测的方法对采自广西的7个番木瓜曲叶病样品和广东1个番木瓜曲叶病样品，及采自广西胜红蓟的5个黄脉样品进行了检测，表明均为粉虱传双生病毒。

This study detected rapidly WTGs infecting oriental tobacco, and weeds such as Ageratum, malvastrum and bean surrounding the oriental tobacco field, and vector–transmitted WTGs by PCR .

本研究利用PCR技术快速检测香料烟植株及田间其它植物如胜红蓟、赛葵及菜豆等、以及病毒介体的带毒情况。

Thirty-nine geminiviruses samples were collected from Malvastrum coromandelianum, Ageratum conyzoides and Siegesbeckia orientalis plants in Yunnan.

从云南赛葵、胜红蓟和稀硷上采集了39个双生病毒样品，部分序列测定表明，它们由不同病毒侵染。

Kong Chuihua%Xu Tao%Hu Fei Allelopathic potential,chemical constituents of the volatile oil from Ageratum conyzoides 10.1023/A:1020882109682 Journal of Chemical Ecology , 1999,10

孔垂华%徐涛%胡飞胜红蓟化感作用研究Ⅱ。主要化感物质的释放途径和活性应用生态学报， 1998，3

In an attempt to provide a better understanding of the diversity, evolution and spread of geminiviruses in China, 32 samples showing typical geminivirus symptoms were collected from papaya, tomato, tobacco, Euphorbia pulcherrima, Sonchus oleraceus Linn and Ageratum conyzoides in Guangxi province.

为了明确双生病毒的发生、分布与传播，我们从广西番木瓜、番茄、烟草、一品红、苦苣菜及胜红蓟上采集了32个具有双生病毒典型症状的样品并对病毒进行了分子检测与鉴定。

Partial DNA-A sequence comparison with other geminiviruses showed that G7 were infected with 5 begomoviruses, these viruses were Papaya leaf curl China virus, Ageratum yellow vein china virus, Tomato leaf curl China virus, Euphorbia leaf curl virus and Tobacco leaf curl Yunnan virus.

得到部分G7的DNA一A序列，经NCBI检索和序列比较分析发现了5种菜豆金色叶病毒属病毒的部分DNA序列，分别是中国番木瓜曲叶病毒、中国胜红蓟黄脉病毒、中国番茄曲叶病毒、一品红曲叶病毒、云南烟草曲叶病毒。

Ageratum conyzoides L., an invasive alien weed, has invaded northwards from South China to the Changjiang River Basin and threatened many crops there. Soybean Glycine max

外来入侵杂草胜红蓟已由南向北入侵到我国长江流域，对众多作物构成威胁。

Because of the exotic weeds with strong reproductive capacity, adaptability and adversity-resistance, and short of strong competitive plants and natural enemies in the local area the exotic weeds such as Aiternanthera philoxeroides, Eichhornia crassipes, Ageratina adenophorun and Ageratum conyzoides etc.

由于农林牧渔业生产、绿化美化等目的有意引进；或旅游、交通工具等无意引入；或自身扩散传播的自然入侵，外来植物一旦逃逸人为控制进入自然生态系统并能自行繁殖和扩散，形成野化种群，变成外来入侵植物，成为危害农牧业生产和破坏生态环境的有害杂草。

Before the treatment of drought stress, most of communities can be classified into following seven types with biomass of dominant species which took account of 60% in the plots: Triumfetta bartramia, Urena lobata, Cynodon dactylon, Gahnia tristis, Ageratum houstonianum, A/rtemisia argyi and Ambrosia artemisiifolia. There was no dominant species in other communities. Totally, there are 33 common species distributed in these plots.

在群落自然生长一年后，根据群落内物种生物量所占比例，将样地群落划分为七个优势物种类型(优势物种生物量所占比例均在60%以上，盖度在群落内均最大)：刺蒴麻、肖梵天花、狗牙根、黑莎草、藿香蓟、家艾和豚草，其余为均匀度较高没有优势物种的样地。

The complete nucleotide of F12 shared the highest sequence identity (90.1%) with AYVVTW-[TW:Tai:99] (AF307861), an isolate of Ageratum yellow vein virus from Taiwan. The DNAβmolecule associated with the F12 was found with primersβ01/02 (F12β).

同源性比对发现，F11与报道的广东番木瓜曲叶病毒的分离物PaLCuGuV-[CN：Gd2：02](AJ558122)的核酸相似性最高，为97.3%；F12与胜红蓟黄脉病毒的台湾分离物AYVVTW-[TW：Tai：99](AF307861)的核酸相似性最高，为90.1%。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。