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Table 4 Results of selfing tetraploid 440–1 OP progeny plants

From: Experimental evidence for the ancestry of allotetraploid Trifolium repens and creation of synthetic forms with value for plant breeding

Plant selfed No heads No seeds Seeds/head
440–1 OP-3 2 19 9
440–1 OP-8 5 89 18
440–1 OP-9 5 88 18
440–1 OP-21 5 95 19
440–1 OP-57 4 35 9
440–1 OP-70 2 26 13
440–1 OP-72 3 100 33
440–1 OP-76 2 8 4
440–1 OP-88* 5 102 20
440–1 OP-90 4 0 0
440–1 OP-110 4 0 0
T. repens 5 3 0.6
440–1 OP-3 self-5 4 27 6
440–1 OP-3 self-12 5 3+7 small 2 small
  1. * 2n=33 (carrying an additional chromosome).