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单选题 根霉属真菌菌丝体的特点是具有( )和匍匐枝.The characteristics of the mycelium of Rhizopus fungi are having ( ) and stolons
学科：《植物保护技术》
时间：2025-12-13 06:47:01
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题目1单选题
卵菌门真菌无性繁殖产生游动孢子,有性繁殖产生( ).Oomycota fungi produce zoospores through asexual reproduction and produce through sexual reproduction( )A. 分生孢子ConidiaB. 子囊孢子AscosporesC. 卵孢子OosporesD. 担孢子Basidiospores
题目2单选题
发病时能引起叶片、茎秆水渍状斑,迅速腐烂的是( ).What can cause water-soaked spots on leaves and stems and rapid rotting when the disease occurs is( )A. 腐霉属PythiumB. 霜霉属PeronosporaC. 疫霉属Phytophthora C.白锈菌属Albugo
题目3单选题
霜霉属能引起( )霜霉病.Peronospora can cause ( ) downy mildewA. 葡萄GrapeB. 十字花科CruciferaeC. 瓜类MelonsD. 莴苣Lettuce
题目4单选题
( )能引起空心菜白锈病,发病部位叶背面有泡状凸起,成熟后散发白色粉状物.( ) can cause white rust of water spinach. On the back of the leaves at the infected part, there are vesicular protrusions. When mature, white powdery substances are emittedA. 腐霉属PythiumB. 霜霉属PeronosporaC. 疫霉属PhytophthoraD. 白锈菌属Albugo
题目5单选题
下列霜霉病中,能在病部产生灰黑色霜霉状物的是( ).Among the following downy mildew diseases, the one that can produce gray-black downy mildew substances at the infected part is ( )A. 十字花科霜霉病Downy mildew of CruciferaeB. 葡萄霜霉病Downy mildew of grapeC. 瓜类霜霉病Downy mildew of melonsD. 莴苣霜霉病Downy mildew of lettuce
题目6单选题
根霉属真菌菌丝体的特点是具有( )和匍匐枝.The characteristics of the mycelium of Rhizopus fungi are having ( ) and stolonsA. 吸器HaustoriaB. 假根RhizoidsC. 分生孢子ConidiaD. 菌环Annulus
题目7单选题
根霉属能引起( ).Rhizopus can cause ( )A. 甘薯软腐病Sweet potato soft rotB. 黄瓜霜霉病Cucumber downy mildewC. 马铃薯晚疫病Potato late blightD. 茄褐纹病Eggplant brown spot
题目8单选题
玉米褐斑病在土壤贫瘠的地块,叶色发黄的玉米上发生( ).Brown spot disease of corn occurs ( ) on corn with yellowish leaves in plots with poor soilA. 严重SeriouslyB. 一般GenerallyC. 轻LightlyD. 较轻Less seriously
题目9单选题
玉米褐斑病病斑后期疱状隆起破裂,散发出的黄色粉末状物为病原菌的( ).In the later stage of the lesion of corn brown spot disease, the blister-like protrusions rupture and the yellow powdery substance emitted is the ( ) of the pathogenic bacteriaA. 担孢子BasidiosporesB. 休眠孢子囊Resting sporangiumC. 游动孢子ZoosporeD. 分生孢子Conidium
题目10单选题
担子菌门真菌的有性孢子为( ).The sexual spores of Basidiomycota fungi are ( )A. 担孢子BasidiosporesB. 卵孢子OosporesC. 子囊孢子AscosporesD. 分生孢子Conidiospores
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