cotyledon

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  • noun

Synonyms for cotyledon

embryonic leaf in seed-bearing plants

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References in periodicals archive ?
Shoot regeneration was also registered on cotyledonary leaves on some explants cultured on BAP plus IBA (Figure 1e) containing 1.
We also report on observed phenotypic differences of immature cotyledonary explants that are associated with genotypic variability for embryogenic response.
As a broad generalization, the author has observed that conifer species which produce two cotyledons possess cotyledonary buds and develop collars that sprout, whereas species which produce more than two cotyledons generally lack cotyledonary buds and functional collars and typically do not sprout (see Butts & Buchholz [1940] for conifer cotyledon numbers).
Amount of aescin was determined in cotyledonary androgenic embryos grown on media with various phytoregulators.
The evidence for this interpretation is not very strong, especially considering that the monocot-like form precedes the initiation of the two cotyledonary lobes in the early ontogeny of the embryo in Nymphaeales.
In that study the developmental stage of extracted embryos from ovules was a good variable from globular to cotyledonary.
1990), except that the cotyledonary node was considered to be node zero and the few fruit set at position three or greater were collected together and considered to be fruit borne at the 3rd fruiting position on sympodial branches.
0 % callus induction from cotyledonary node explant cultured on different concentration of TDZ- IBA in fenugreek.
Multiple shoot formation: The effect of BAP was tested on multiple shoot formation culturing half embryo with cotyledon, half embryo without cotyledon and cotyledonary node.
A = Output operculum; B, C = protrusion of the cotyledon petiole; D = Emergence of primary root; E = emission of the first cotyledonary sheath; F = emission of second of cotyledonary sheath and emission of secondary and tertiary roots; G and H = emission of first eophyll; op = operculum; pc = cotyledon petiole; bc = cotyledonary sheath; b1 = first sheath; b2 = second sheath; b3 = third cotyledonary sheath; rp = primary root; rs = secondary root;, rt = tertiary root; pe first = first eophyll (Pictures: JOAO BARROS SILVEIRA, 2010).
The results showed that various optimal parameters such as 100 mg L-1 of kanamycin concentration for selection of transformants, 2 d of pre-cultivation time, 100 umol L-1 of acetosyringone concentration, 15 min of infection time and 2 d of co-cultivation time were obtained using cotyledonary node explants.