Plants were grown in 70 × 70 × 80 mm pots containing blended peat, seed and modular growing media, at pH 5.5 (Vapogro, Kekkilä and Avoncrop Ltd, Windsor, UK). Initially, four seeds were sown ...

10. The seeds of red clover (Trifolium pratense) and alfalfa (Medicago sativa) germinate equally well at the optimum temperature in water and on filter paper, but germination is poorer in water than ...