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Pakistan Journal of Biological Sciences
  Year: 1999 | Volume: 2 | Issue: 4 | Page No.: 1445-1447
DOI: 10.3923/pjbs.1999.1445.1447
 
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Germination Behaviour and Electrolytes Leakage of Seeds of some Plants of Cholistan Desert

Izzat Yasmin, Mohammad Ashraf and Faiz-ul-Hassan Nasim

Abstract:
This work was conducted (i) to measure the electrical conductance of dry and imbibing seeds, (ii) to monitor the percentage germination and spread of germination of these species at varying temperature conditions and (iii) to find the optimal germination conditions so that some biochemical and biomolecular studies could be carried out in near future. Seeds of different plant species of Cholistan desert such as Capparis decidua, Salvadora oleiodes and Prosopis cineraria were allowed to germinate at various temperature regimes and their percent age germination was monitored. Results show that optimal germination temperatures for C. decidua is 20°C (90% germination in 8 days) and for P. cineraria (65% in 10 days) and S. oleiodes (85% in 4 days) is 30°C. Imbibition of P. cineraria in sand at 25°C has been effective to get 80 percent seeds germinated. Electrical conductance (μS/cm/10 seeds) measured during early hours/days of imbibition has been correlated with the increase in fresh weights of imbibing seeds, though there is decrease in the rate of electrolytes leakage (μS/cm/hour/10 seeds) with increase in imbibitional time. Work is in progress on the biochemical aspects of these early hours/days of seed germination.
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How to cite this article:

Izzat Yasmin, Mohammad Ashraf and Faiz-ul-Hassan Nasim, 1999. Germination Behaviour and Electrolytes Leakage of Seeds of some Plants of Cholistan Desert. Pakistan Journal of Biological Sciences, 2: 1445-1447.

DOI: 10.3923/pjbs.1999.1445.1447

URL: https://scialert.net/abstract/?doi=pjbs.1999.1445.1447

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