作者: Jam Schrauwen , J. Derksen , B. Knuiman , F. Wittink , G. J. Wullems
DOI: 10.1007/978-3-642-59985-9_10
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摘要: In higher plants fertilization starts with the fusion of a haploid male sperm cell nucleus and female egg cell. The gametophyte, or pollen, is mobile component in this process its function to deliver two gametes into embryo sac (Heslop-Harrison 1987; McCormick 1991; 1993).