Abstract
A study was carried out to investigate the effects of sulphuric acid and hot water treatments on the germination of Tamarind (Tamarindus indica L). Seeds were placed on moistened filter papers in 28 cm diameter Petri dishes under laboratory condition for germination. 330 seeds of T. indica (10 seeds per Petri dish) with three replicates each were used. The highest germination was recorded in seeds treated with 50 per cent sulphuric acid concentration with 60 min soaking period. Germination was observed to be enhanced by increase in the sulphuric acid concentration, water temperature, and soaking period in all the trials, except with absolute sulphuric acid where poor response was observed. Results of this study may serve as useful information in the production and improvement of the tree species, as knowledge on seed germination requirements is a critical factor in seedlings production. Key words: Tamarind, Tamarindus indica, sulphuric acid, hot water, germination.
Highlights
Tamarindus indica Linn is an indigenous legume, which has been recognised as a potential nitrogen fixing tree in the semi-arid region of Nigeria (Okoro et al, 1986)
The cumulative mean percentage germination (CMG) was highest when T. indica seeds were soaked in 98%
It was observed that seed germination increased with increasing acid concentration and treatment time (Table 2a)
Summary
Effects of sulphuric acid and hot water treatments on seed germination of tamarind (Tamarindus indica L). A study was carried out to investigate the effects of sulphuric acid and hot water treatments on the germination of Tamarind (Tamarindus indica L). Seeds were placed on moistened filter papers in 28 cm diameter Petri dishes under laboratory condition for germination. 330 seeds of T. indica (10 seeds per Petri dish) with three replicates each were used. The highest germination was recorded in seeds treated with 50 per cent sulphuric acid concentration with 60 min soaking period. Germination was observed to be enhanced by increase in the sulphuric acid concentration, water temperature, and soaking period in all the trials, except with absolute sulphuric acid where poor response was observed.
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