The possible involvement of membranes and water viscosity in the temperature effects on imbibition and solute leakage of radish (Raphanus sativa var. ... Heat-killed radish seeds and sugar pine embryos exhibited significantly higher rates of imbibition and solute leakage than did viable ones.

What is the effect of high temperature on the rate of imbibition?

Rate of water uptake increased with temperature of imbibition. Germination of imbibed (soft) seeds was not affected by 40 °C imbibition for 30 h. At temperatures ≥ 43 °C, an inverse relationship was seen between temperature and time of imbibition required to reduce germination by a given level.

Does temperature affect germination?

The germination percentage usually increases linearly with temperature up to an optimal temperature, after which the germination percentage decreases sharply [4–6]. Increased temperatures not only affect seedling growth after seed germination, but also directly affect the germination process.