Average elongation rate of pollen tubes after in vivo pollination

Range 2-12 mm/hour
Organism Corn Zea mays
Reference I. Dupuis, C. Dumas, In vitro pollination as a model for studying fertilization in maize (Zea mays L.) Sexual Plant Reproduction November 1989, Volume 2, Issue 4, pp 265-269 p.268 right column 2nd paragraph
Primary Source Randolph LF (1936) Developmental morphology of the caryopsis in maize. J Agric Res 53: 881-916 & House LR, Nelson OE Jr (1958) Tracer study of pollen-tube growth in cross-sterile maize. J Hered 49 : 19-21 & Kumar D, Sarkar KR (1980) Correlation between pollen diameter and rate of pollen-tube growth in maize (Zea mays L.). Indian J Exp Bot 18: 1242-1244
Comments "[Researchers] found rates of in vitro pollen-tube growth in the silks similar to those previously reported in vivo-these range from 2 to 12 mm/h for silk lengths from 3 to 25 cm and for various genotypes (primary sources)."
Entered by Uri M
ID 110315