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Development Home Germination Early growth and tillering Stem elongation Wheat apex development Flowering and fertilisation Pollen release Grain growth 1 to 4 days Whole grain photographs Embryo sac: events inside Embryo sac: wall changes Embryo micrographs
Grain growth 4 to 10 days Cell layers inside a grain Grain filling 11 to 16 days Grain filling 17 to 21 days Grain filling 21 to 30 days Development of the embryo Dry down 30 to 40 days How we grew the plants Photography and microscopy
DAYS = days after flowering
Development Home Germination Early growth and tillering Stem elongation Wheat apex development Flowering and fertilisation Pollen release Grain growth 1 to 4 days Whole grain photographs Embryo sac: events inside Embryo sac: wall changes Embryo micrographs
Grain growth 4 to 10 days Cell layers inside a grain Grain filling 11 to 16 days Grain filling 17 to 21 days Grain filling 21 to 30 days Development of the embryo Dry down 30 to 40 days How we grew the plants Photography and microscopy
DAYS = days after flowering
Grain growth 1 to 4 days
Embryo micrographs
 | The cellular endosperm had increased markedly by 3 days after fertilization but the embryo has barely changed. |
 | At higher magnification, the embryo has a characteristic shape but shows no discernable cell patterning as yet. 3 days after fertilization. |
 | The embryo is just 2 days old and may have divided only once. At this stage it is supported by the cellular endosperm which is close by at the base of the embryo sac. The cellular endosperm is a product of divisions of the second polar event nucleus. |