Agrobacterium a genus of soil bacteria , the species a . tumefaciens being the causative agent of crown gall , a type of tumor in plants 根癌农杆菌：土壤中存在的一种农杆菌，可以感染双子叶植物的受伤组织诱发一种植物的肿瘤冠瘿瘤。
Mohsen ramadan , a state exploratory entomologist , spent two months in tanzania looking for a natural solution to fight the wiliwili - destroying erythrina gall wasp and found a wasp of the eurytoma species 最终，拉马丹发现了一种靠食用瘿蜂的幼虫和蛹为生的属于广肩小蜂属eurytoma的胡蜂。
Numerous hairy roots were induced from protocalli on ms medium without any growth regulator . the paper electrophoresis revealed that all of the regenerated hairy roots tested synthesized the corresponding opines 原生质体分裂形成的愈伤组织在无激素ms培养基上再分化出的发状根仍具冠瘿碱合成酶活性。
Examination of chromsome number of the hybrids ri showed the sum of both parent chromsome besides aneuploid . the hydrid cell line ri was characterized by isoenzyme analyses , sds - page , rapd and opine synthetase assay 杂种r _ 1细胞的染色体数检查、冠瘿碱检测、同工酶分析，可溶性蛋白sds - page电泳和rapd分析结果，都证明了其杂种特性。
Agrobacterium rhizogenes ( rhizobiacease ) is a kind of gram - negative bacterium , which contains a big ri plasmid ( 200kb ) - root inducing plasmid . there are three types of ri plasmid , mannopine type , cucumopine type and agropine type , according to the type of opine synthesized in transgenic cell 根据转化细胞合成的冠瘿碱( opine )的类型不同， ri质粒分为3种类型：甘露碱型( mannopinetype ) 、黄瓜碱型( cucumopinetype )和农杆碱型( agropinetype ) 。
The moderate insect includes 227 species , which hold the 61 . 52 % of the whole community . the total quantity of pest in the three experimentation sections is 4935 , and the sequence of quantity to the three sections is blank section ( 2213 ) > harmless section ( 1551 ) > general section ( 1171 ) . the key pests are olethreutes leucaspis meyrick , conopomorpha sinemis bradley , xyleborm fornicatus eichhoff , dasineura sp 三个试验区害虫调查总数量为4935头，各区数量大小依次为：空白区( 2213头)无公害区( 1551头)常规区( 1171头) ，关键害虫为三角新小卷叶蛾，荔枝蛀蒂虫，茶材小蠹，荔枝叶瘿蚊，荔枝瘿螨，樟翠尺蛾，荔枝蝽。
In the insect community of lichee orchard , the main dominant phytophagous insects are the olethreutes leucaspis meyrick , thalassodes quadraria guen6e , conopomorpha sinensis bradley , tessaratoma papillosa ( drury ) , aceria litchii ( kiefer ) , dasineura sp . , xylebonts fornicatus eichhoff , prodenia litvara fabricius , empoasca flavescens ( fab . ) 深圳市荔枝园昆虫群落中，植食类群主要优势种为三角新小卷蛾、樟翠尺蛾、荔枝蛀蒂虫、荔枝蝽、荔枝瘿螨、荔枝叶瘿蚊、茶材小蠹、斜纹夜蛾、小绿叶蝉。
