Unverified78% confidenceFactTime unknown
越粗壮≠越好：黄芪讲究'条直、皮细、粉性足'，主根中上段直径1-1.5cm的中等条为佳；过粗的可能是多年老根木质化严重（药效反降、口感柴），过细的多为侧根须根
1
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78%
Confidence
Long-term
Relevance
-
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Unverified看形态识等级：优质当归主根粗长（直径≥1.5cm）、支根少、'头圆尾尖'成整根者为上；'柴性大'（木质多、纤维粗）、断面发白无油点的多为二三年生或抽薹货，药效差85% similarUnverified盆器直径应比植株冠幅大1-2cm即可，过大盆土多不易干透会烂根；根系少的多肉宁小勿大，'大苗配小盆'比'小苗配大盆'安全75% similarUnverified选购麦冬块根优先看直径与饱满度：优质浙麦冬直径0.3-0.6cm、纺锤形两端尖、断面黄白色半透明；出现明显黑褐色斑点或霉味说明存储不当或硫熏残留72% similarUnverified盆径应比植株冠幅大2-3cm即可，盆过大土多不易干透会导致烂根，多肉喜'小盆养大苗'，选盆宁小勿大72% similarUnverified芦笋看笋尖紧密度和切口：笋尖鳞片紧闭不开花、切口湿润不干裂为新鲜，切口发白空心或木质化则已放置多日；粗芦笋比细芦笋更嫩多汁72% similar
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