W靠接：②枝接：W③芽接：图4-10枝接11A.接合处星按状；B.接合处至舌快
11 ①靠接： ②枝接： ③芽接：
scionstockFigure 14.23Asimplegraft.Therootportion (stock)andsortiontobegrafted ontothe stock (scion)arecut so thatthetwoFigure 14.22 A brightly colored cactus stem has beenartswillfittogetherwiththecambiumofbothportionsinclose:ontact.grafted on toagreencactus plant
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F图4-11劈接B，二接穗接合情况A，I一6）在贴木的切口内嫁接上二段接稳的枝条，接好后用纸袋扎好：14
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3、微繁(micropropagation)细胞全能性(totipotency)外植体(explant)步骤1A11Figure 14.26 A laminar flow hood.A sterile work area iscreated by blowing sterile air from the back of the hood to the15Figure14.25Anautoclave,inwhichpressurizedsteamisopeninginfront.usedtosterilizemedia,glassware,andinstruments
15 3、微繁（micropropagation） 细胞全能性（totipotency） 外植体（explant） 步骤