the growth of pollen tube is directed into the embryosac through synergid by
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pollen tube is a tubular structure produced by the male gametophyte of seed plants when it germinates. Pollen tube elongation is an integral stage in the plant In this work, the effects of Spm on the growth of pear pollen tubes were ... MPEG-2 files were converted into AVI (MJPEG compression) by.
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