Selective fertilization / by Donald Forsha Jones.

  • Donald F. Jones
Date:
[1928]
Catalogue details

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Selective fertilization / by Donald Forsha Jones. Source: Wellcome Collection.

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    xii LIST OF ILLUSTRATIONS FIG. PAGE 14. The Result of Self- and Cross-Pollinations be tween Individual Plants in the Second Genera tion oe a Cross between Nicotiana Forgetiana and N. Alata 86 15. The Result of Self- and Cross-Pollination between Individual Plants of the Fifth Generation from the Same Cross as in Figure 14 87 16. A Partially Sterile Hybrid in Tobacco .... 102 17. F 2 Plants from the Same Cross as in Figure 16, Showing Extreme Diversity in Size and Form . . 104 18. The Result of Crossing the Radish, Raphanus sativus, by the Cabbage, Brassica olerácea .... 109 19. Mature Fruits of Raphanus sativus, Brassica olerácea, Fi, and of Triploid and Tetraploid Tí Plants 115 20. Assortative Mating in Paramecium 121 21. Relation between Length of Male and of As sociated Female in Dikerogammarus .... 124
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