大蔥、洋蔥、韭菜這三個種子的表皮顏色都是黑色的,形狀也相似,若不仔細看,很難辨別,但仔細觀察,三者之間仍有差異。
大(da)蔥(cong)種(zhong)子(zi)呈(cheng)盾(dun)狀(zhuang),有(you)棱(leng)角(jiao),稍(shao)扁(bian)平(ping),表(biao)皮(pi)皺(zhou)紋(wen)少(shao)而(er)整(zheng)齊(qi),臍(qi)部(bu)凹(ao)窪(wa)淺(qian)。洋(yang)蔥(cong)種(zhong)子(zi)呈(cheng)盾(dun)狀(zhuang),表(biao)皮(pi)皺(zhou)紋(wen)稍(shao)多(duo)而(er)不(bu)規(gui)則(ze),臍(qi)部(bu)凹(ao)窪(wa)很(hen)深(shen)。韭(jiu)菜(cai)種(zhong)子(zi)呈(cheng)盾(dun)狀(zhuang),表(biao)皮(pi)皺(zhou)紋(wen)多(duo)而(er)細(xi)密(mi),臍(qi)部(bu)無(wu)明(ming)顯(xian)的(de)凹(ao)窪(wa)。再(zai)者(zhe),一(yi)般(ban)大(da)蔥(cong)種(zhong)子(zi)的(de)千(qian)粒(li)重(zhong)為(wei)2.8--2.9克之間,洋蔥種子的千粒重為4.6克左右,韭菜種子的千粒重為4--4.15ke,yongshoudianqilaiganjiaoyixia,dacongzhongzijiaoqing,yangcongzhongzijiaozhong。qisan,zhesanzhongshucaizhongzidezhongpitoushuixingcha,xishuipengzhanghuanman,bozhongqianyaojinxingjinpao,qiezhesanzhongshucaizhongzideshoumingjiaoduan,zhongzhibozhongshibuyaoyongchenzhongzi。
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