Pusa 33 and IDTSP51 at different time intervals on
medium P2. Pigeonpea pollen initiate germination only
about 2 h after incubation (Fig. 1a). The mean pollen
tube length in these genotypes was 27±33 mm at 3 h
(Fig. 1b), 45±53 mm at 4 h (Fig. 1c) and 78 mm at 5 h,
respectively.