Plant and Cell Physiology, 1978, Vol. 19, No. 3 507-512
© 1978
Short communication |
On the frequency of isothermal germination in seeds of Dolichos biflorus L.
1 Laboratorio de Ecofisiología Vegetal, Instituto Venezolano de Investigaciones Cientificas Apartado 1827, Caracas 101, Venezuela
2 Universidad Simón Bolívar Apartado 80659, Caracas 108, Venezuela
The relative frequencies of seed germination show positively skewed distributions along the time of isothermal incubation. Unimodal patterns prevailing between 19.3° and 31.4°C change into progressively polymodal distributions both below 19.3° and above 31.4°C. None of the distributions fit the adjusted gaussians, except at 8.0° and at 40.6°C.
(Received September 29, 1977; )
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