Four replications of 50 seeds each were placed on two layers
of grade B Zerohaze blotter paper (M/s s.d. Fine-chem. Ltd.,
Mumbai) moistened with water equivalent to 2.5 times
substratum weight and germinated on Petri plates at 25 8C
(ISTA, 1999). Seedling counts were performed at 6 and 12 days
and mean percentage of normal seedlings was calculated for
each lot.