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Fig. 3 | BMC Plant Biology

Fig. 3

From: Embryological observations on seed abortion in Hibiscus syriacus L. and physiological studies on nutrients, enzyme activity and endogenous hormones

Fig. 3

Double fertilization and early embryo development in H. syriacus. EA, egg apparatus; SY, synergid; PN, polar nucleus; AC, antipodal cell; SEN, secondary nucleus; SC, sperm cell; EC, egg cell; ZY, zygot; MC, micropyle; OI, outer integument; II, inner integument; PrE, pro-embryo; End, endosperm; SrE, spherical embryo; HsE, heart-shaped embryo; TsE, torpedo-shaped embryo; CtE, cotyledon embryo; MtE, mature embryo; AbE, abortive embryo

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BMC Plant Biology

ISSN: 1471-2229

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