Date | Stage of development |
23rd April, 2002-2003, 2011; 5th May, 2004 | Pollen mother cell (PMC) |
23rd, 24th April-6th May 2002-2003, 2011; 24th April-13th May, 2004 | Meiosis of PMC |
26th April-8th May, 2002; 27th April-13th May, 2003, 2011; 5th-11th May, 2004 | Formation of tetrads |
6th-11th May, 2002, 2004; 25th April-8th May, 2003, 2011; | Free microspores without air sacs |
6th-11thMay, 2002; 28th April-13th May, 2003, 2011 5th-11th May, 2004 | Free microspores with air sacs |
7th-14th May, 2002, 2003, 2011; 17th May, 2004 | Uninucleate microspore with large vacuole |
12th May, 2002-2003, 2011; 23rd May, 2004 | Matured pollen grains |