甘肃花卉根际线虫的营养类群结构.pdfVIP

~艺学报 2α瓣， 3S (10): 1521 咖 1526 Acla HQrticultu 14e Siníca 甘肃花卉根际统虫的营养类群结构 刘奇志1\ 王建舵，文朝霄，边野，负惠玲3 C~倒农业大学农学均生物技术学院，昆虫与绒虫学实验寞，北京 100193; 2 甘肃出入境检骏检疫局，兰州 730020; 3 清水Jl.园艺站，甘肃天水 7414(0) 瓣 Jt:京剧…2郑7 年， .x.t1t，赞翁酒泉、定苦苦、天水等9 个花齐树种和生产基地种植灼率金惑、磨薯 糖、孔雀草、万寿菊、波斯菊、大丽花费事56 种花卉根际线æ.~踪者丰进行了研究。经鉴定 111 076 条娥虫分属 43 个麟， 4 个营养煞费丰(食细商、食真麟、杂食/捕食和梢物窍生线虫) ，其中有放的非樵物线成腐 32 个， 有窑的植物线虫麟 11 个，占总调资麟数囊的1/4 ，相对比例较大，特别是垫刃麟 ( Tylenchω) 罪纹路给刃 麟 (Fîlench邸}的线.!Ð.ffl珑的频察较高，分别涉及51 种和42 矜花齐，出满葱花卉总数的91%牵挂 75% 。 3是键询:花3年;线.!Ð.;繁养类群;风险分析:进出口贸易 中阁分类哥哥: S 68; S 432 t献标识码: A 文激编号: 0513.353X (2008) 10-1521{汤 G翩翩1 Nematode Trophic Group Structure in the Rhizospbere of Flowers l UUQi咄户， WANG lian-kui , WEN C栩如iz ，那AN Yo时， and YUN Hui唰ling3 e/，阳似t 侧dN棚酬。， logy 切仰幽ry， College of Agricultrue and Brotechrwlogy. ChiM .4gricuhural UtÙ:附町• Beijing 1∞193 ， CIû阳; 2 Ga7IJU Erury-eJt:曲 In脚CÛðn and 价W础拍!e Bur四u， La础。U 73∞钩， China; 3HorI比uhrue Station of QÙ略~hui 也凶呵， T印刷如u ， 印刷u 741400 , China) A如往act: During 2(搁一2007 ，附matooe surv栩如m the regions of Jiuqu脯. Díng对 to Tìanshui of Gansu Provínce in the rhizosphere of 56 s严cies of flower嚣，辑uch 幽 trop栅lum， gladiolu嚣， maid州时. mari皿 gold , calliop棚，彻浏阳， were carried out in 9 flower bωes of seed propagatíon , demonstration and produc唰 tion. The 111 076 nematode individuls were clωsified Înto 43 genera and 4 trophic groups. Anwng them , 32 genera of nen随时es helong 协 beneficial un巾l刷阳rasitic (bacterivorous , fungivorous , omnivorouslpreda- tory) nemat叫es and 11 g曹nera of nematooes belo吨 to baneful phytop阳军ous nematooes which accounted for 114 of nematooe collectivity , es阱cially the nen凶tooes in the genus of Tylenchus 剧d Filenc品悦， involved 51 (91 %) and 42 (75%) species of flowers , repectively. Key words: flow