Otherwise, autoteraploid rices had much higher heterosis than that of diploid hybrids in the character of filled spikelets per panicle, spikelets per panicle and seed setting rate.
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- 此外,杂种在四倍体水平与二倍体水平比较,在每穗实粒数、每穗总粒数和结实率等主要产量性状上,具有明显的杂种优势;