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Physical dormancy in seeds of Dodonaea viscosa (Sapindaceae) from India

  • S.S. Phartyal (a1), J.M. Baskin (a2), C.C. Baskin (a2) (a3) and R.C. Thapliyal (a1)

In contrast to reports in the literature that seeds of Dodonaea viscosa from China and Pakistan are non-dormant, or nearly so, we found that a high percentage of seeds of this species collected in north-western India have a water-impermeable seed coat at maturity, i.e. physical dormancy. Thus, seeds that were mechanically scarified and boiled (to open a ‘water gap’ in the seed coat) germinated to much higher percentages (84% and 77%, respectively) than did those that were non-scarified (24%). Our results agree with studies of seed dormancy in this species in various other parts of its large geographical range.

Corresponding author
*Correspondence: Email:;
Present address: Division of Genetics and Tree Propagation, Forest Research Institute, DehraDun, UA, India.
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Seed Science Research
  • ISSN: 0960-2585
  • EISSN: 1475-2735
  • URL: /core/journals/seed-science-research
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