Chin J Plan Ecolo ›› 2012, Vol. 36 ›› Issue (8): 918-922.DOI: 10.3724/SP.J.1258.2012.00918
• Review •
YU Shun-Li* and FANG Wei-Wei
We add research content and several hypotheses and also amend some scientific questions in the field of seed geography. Three research areas that we expound upon are the geographies of soil seed banks, seed rain and seed dispersal syndromes. We summarize two hypotheses: 3-dimensional (latitude, longitude and altitude) variation hypotheses on soil seed banks and on seed dispersion modes. We also supplement the geography of seed chemical elements with seed isotope content. In the geography of seed mass, we mention elaiosomes. In the geography of seed morphology, we reaffirm use of length and width of seed and their ratio, absence or presence of seed (or fruit) wings, length and width of seed wings and their ratio, etc. In the geography of fruits and flowers, we add length and width of flower sepal and petal, as well as length, width and height of fruits and also percentage of fruit ripe in summer and autumn. In the geography of seed genetic characteristics, we add seed DNA content. In the geography of seed cell characteristics, we include seed starch grain. Overall, seed geography is a constantly developing field that should incorporate additional research from seed science and technology.
YU Shun-Li and FANG Wei-Wei. New advances in seed geography[J]. Chin J Plan Ecolo, 2012, 36(8): 918-922.
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