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怎樣鑒別新陳蔬菜種子

發(fā)布時(shí)間：2015-02-16 02:31:29 來(lái)源：農(nóng)民日?qǐng)?bào) 作者：佚名責(zé)任編輯：羅伯特

　　大蔥、洋蔥、韭菜等蔥類(lèi)蔬菜種子大蔥、洋蔥新種子表皮有光澤，呈深黑色，具有原品種的辛辣味，陳種子相反。韭菜新種子表皮有褶皺，有光澤，種皮有白點(diǎn)。陳種子沒(méi)有光澤，種皮外部附有“白霜”，種臍由白色變?yōu)辄S色。

　　甘藍(lán)、蘿卜等十字花科蔬菜種子新種子表皮光滑，富有清香氣味，用指甲重壓有油分溢出，碎籽成片狀，種皮呈淺黃綠色或黃綠色。陳種子表皮無(wú)光澤，有時(shí)表皮像有鹽霜，用指甲重壓易脫離，子葉呈黃色。

　　菠菜種子新種子呈黃綠色，有清香氣味，內(nèi)部淀粉為白色。陳種子呈土黃色或灰黃色，有霉味，種子內(nèi)部淀粉為灰色。

　　胡蘿卜種子新種子呈黃綠色，有清香氣味，種仁白色。陳種子呈黃色或深黃色，沒(méi)有胡蘿卜固有的香味。江洪濤

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