Abstract
Emergence trials of five different seed lots each of cv. Lincoln and Kelvedon Wonder at six centres provided 27 different sowing treatments. Although mean emergence between treatments varied, the rank order of the lots remained almost constant. The results of seedling evaluation and conductivity vigour tests correlated well with field emergence, with neither test superior to the other. Grades of vigour were established and related to the performance of the seed lots in the field trials.

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