页数:17页文件大小:664.0 KB来源: 现代生物学实验ppt课件
本课件为《现代生物学实验》的实验九霉菌的形态观察与鉴定部分,系统梳理本实验的主要内容,并说明目的要求、原理、试剂器材、操作步骤与注意事项,便于课前预习和实验现场对照操作。
The portion of the mycelium that anchors the mold andabsorbs nutrients is called thevegetative mycelium ;theportion that produces asexual reproductive spores istermed theaerial mycelium
Moldsreproduceprimarilybymeansofasexualreproductivesporessuchasconidiospores,sporangiospores,andarthrospores.Thesesporesaredisseminatedbyair,water,animalsorobjectsanduponlandingonasuitableenvironment,germinateandproducenewhyphae.Moldsmayalsoreproducebymeansofsexualsporessuchasascosporesandzygospores,butthisisnotcommon.Theformandmannerinwhichthesporesareproduced,alongwiththeappearanceofthehyphaeandmycelium,providethemaincriteriaforidentifyingandclassifyingmolds.
Bread Mold Spores onFungal Fruiting Structure,Rhizopus sp. (SEM x2,990)Fungal Mycelium withSpores, Penicillium sp.(SEM x3,220)
Black Mold,Aspergillus variecolor. (SEM x2,315)
观察方法直接制片观察,载玻片培养观察,玻璃纸培养观察三材料与器材菌种:曲霉(Aspergillussp.),青霉,根霉(Rhizopussp.)和(Mucorsp.)培养2-5 d的马铃薯琼脂平板培养物.试剂:乳酸石炭酸棉蓝染色液无菌吸管,平皿,载玻片,显微镜等
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