Highlight the milestones from the history of plant embryology.
Milestones in Plant Embryology.

Explanation

1682 - Nehemiah Grew mentioned stamens as the male organ of a flower. 1761 - J.G. Kolreuter gave a detailed account on the importance of insects in pollination.
1824 - G.B. Amici discovered the pollen tube.
1848 - Hofmeister described the structure of pollen tetrad.
1870 - Hanstein described the development of embryo in Capsella and Alisma
1878 - E.Straburger reported polyembryony.
1884 - E. Strasburger discovered the process of Syngamy.
1898 - S.G. Nawashin and L. Guignard indepently discovered Double fertilization.
1904 - E. Hanning initiated embryo culture.
1850 - D.A. Johansen proposed classification for embryo development.
1967 - S. Guha and S.C. Maheswari raised haploids from Datura pollen grains.
1991 - E.S Coen and E.M. Meyerowitz proposed the ABC model to describe the genetics of initiation and development of floral parts.
2015 - K.V. Krishnamurthy summarized the molecular aspects of pre and post fertilization reproductive developemtn in flowering plants.