The evolution of a pollen tube so that they do not need water to reproduce The development of a seed that gives the embryo protection and all the nutrients it needs to survive All seed plants are heterosporous In seedless vascular plants such as ferns and horsetails the plants reproduce using haploid unicellular spores instead of seeds Seedless plants multiply by spores that may produced asexually or as a consequence of asexual reproduction while Seed plants mainly multiply by seedsSeed to Seed For the seedtoseed method plants are direct seeded, vernalized in the field, bolt, and produce seed Seedtoseed production is less expensive because labor is reduced since bulbs are not lifted or replanted (Voss et al, 13) Seedtoseed production fields are seeded, usually in late summer, allowing plants to develop beyond the juvenile phase so that vernalization
3 2 Notes Plant Reproduction Ppt Download
