In Vitro Pollen Selection in Brassica napus L
The possibility that pollen selection could be used to bring about changes in the frequencies of genes controlling characters of agronomic significance has been explored by a number of workers (Ottaviano, Sari Gorla & Pe, 1982; Pfahler, 1983; Ottaviano & Mulcahy, 1986). The evidence indicates that 50–60% of the isoenzyme genes expressed in the sporophyte are active in the male gametophyte (Tanksley, larrir & Rick, 1981; Pedersen, Simonsen & Loeschcke, 1987). Further, Willing & Mascarenhas (1984) have estimated that some 64% of pollen genes in Tradescantia paludosa L. are also expressed in shoots.
KeywordsMaize Ethyl Electrophoresis Germinate Polyacrylamide
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