After 2 weeks of inoculation, seeds were randomly removed and
dispersed in a drop of water on a glass slide and observed under a
light microscope (Labophot, Nikon, Japan). Since all swollen seeds
germinated, seed germination percentage was calculated by the
following formula (thus differentiating swollen from unswollen
seeds):
No: of seeds showing swelling of the embryo
Total no: of seeds 100