scutellum Cov ntaub so ntswg hauv cov noob nyom uas nyob nruab nrab ntawm lub embryo thiab endosperm. Nws yog qhov hloov kho cotyledon ntawm cov nyom, tshwj xeeb rau kev zom thiab nqus ntawm endosperm.
scutellum nyob qhov twg?
Teb - Ntawm cov kev xaiv tau muab, scutellum muaj nyob hauv Triticum Nws yog ib qho qauv me me uas zoo li daim thaiv. Nws yog ib tug meej feature ntawm barley thiab nplej noob. Nws yog cov nplooj hloov pauv raws li biologists thiab tuaj yeem muaj nyob rau hauv monocots nyob rau hauv cov duab ntawm nyias cotyledon.
Qhov chaw thiab kev ua haujlwm ntawm scutellum yog dab tsi?
1. Scutellum yog ib cotyledon nyob rau hauv ib daim ntaub thaiv nyom uas tau hloov kho. 2. Nws txoj haujlwm yog txhawm rau nqus cov as-ham los ntawm endosperm thaum lub sijhawm germinationuas yog ib txoj haujlwm tseem ceeb heev.
Puas muaj scutellum nyob rau hauv peas?
Scutellum muaj nyob rau hauv lub embryo ntawm: Pea . Ranunculus.
Puas muaj scutellum nyob hauv Dicot?
Dicots (sab laug) muaj ob lub cotyledons. Monocots, xws li pob kws (txoj cai), muaj ib cotyledon, hu ua scutellum; nws channel khoom noj khoom haus rau lub embryo loj hlob. Ob leeg monocot thiab dicot embryos muaj plumule uas tsim cov nplooj, hypocotyl uas tsim cov qia, thiab radicle uas tsim cov hauv paus.
